diff --git a/.buildinfo b/.buildinfo
index 3aa1061..571feee 100644
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+++ b/.buildinfo
@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 2c681a2b95066441eb2d9f0fc4baf8b7
+config: ebbaedd3cc84f8ea288e53a7facdc95a
 tags: 645f666f9bcd5a90fca523b33c5a78b7
diff --git a/FAQ.html b/FAQ.html
index 81738a9..b5325e0 100644
--- a/FAQ.html
+++ b/FAQ.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>FAQ &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -124,8 +122,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">FAQ</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>FAQ</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/FAQ.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -136,11 +134,11 @@
            <div itemprop="articleBody">
              
   <section id="faq">
-<h1>FAQ<a class="headerlink" href="#faq" title="Link to this heading">¶</a></h1>
+<h1>FAQ<a class="headerlink" href="#faq" title="Permalink to this heading">¶</a></h1>
 <section id="general-questions">
-<h2>General questions<a class="headerlink" href="#general-questions" title="Link to this heading">¶</a></h2>
+<h2>General questions<a class="headerlink" href="#general-questions" title="Permalink to this heading">¶</a></h2>
 <section id="what-is-pytables">
-<h3>What is PyTables?<a class="headerlink" href="#what-is-pytables" title="Link to this heading">¶</a></h3>
+<h3>What is PyTables?<a class="headerlink" href="#what-is-pytables" title="Permalink to this heading">¶</a></h3>
 <p>PyTables is a package for managing hierarchical datasets designed to
 efficiently cope with extremely large amounts of data.</p>
 <p>It is built on top of the <a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> <a class="footnote-reference brackets" href="#id3" id="id4" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a>  library, the <a class="reference external" href="http://www.python.org">Python language</a> <a class="footnote-reference brackets" href="#id19" id="id20" role="doc-noteref"><span class="fn-bracket">[</span>2<span class="fn-bracket">]</span></a> and the
@@ -151,12 +149,12 @@ <h3>What is PyTables?<a class="headerlink" href="#what-is-pytables" title="Link
 large amounts of data.</p>
 </section>
 <section id="what-are-pytables-licensing-terms">
-<h3>What are PyTables’ licensing terms?<a class="headerlink" href="#what-are-pytables-licensing-terms" title="Link to this heading">¶</a></h3>
+<h3>What are PyTables’ licensing terms?<a class="headerlink" href="#what-are-pytables-licensing-terms" title="Permalink to this heading">¶</a></h3>
 <p>PyTables is free for both commercial and non-commercial use, under the terms
 of the <a class="reference external" href="http://opensource.org/licenses/BSD-3-Clause">BSD 3-Clause License</a>.</p>
 </section>
 <section id="i-m-having-problems-how-can-i-get-support">
-<h3>I’m having problems. How can I get support?<a class="headerlink" href="#i-m-having-problems-how-can-i-get-support" title="Link to this heading">¶</a></h3>
+<h3>I’m having problems. How can I get support?<a class="headerlink" href="#i-m-having-problems-how-can-i-get-support" title="Permalink to this heading">¶</a></h3>
 <p>The most common and efficient way is to subscribe (remember you <em>need</em> to
 subscribe prior to send messages) to the PyTables <a class="reference external" href="https://groups.google.com/group/pytables-users">users mailing list</a> <a class="footnote-reference brackets" href="#id32" id="id33" role="doc-noteref"><span class="fn-bracket">[</span>4<span class="fn-bracket">]</span></a>, and
 send there a brief description of your issue and, if possible, a short script
@@ -167,7 +165,7 @@ <h3>I’m having problems. How can I get support?<a class="headerlink" href="#i-
 question has already been dealt with.</p>
 </section>
 <section id="why-hdf5">
-<h3>Why HDF5?<a class="headerlink" href="#why-hdf5" title="Link to this heading">¶</a></h3>
+<h3>Why HDF5?<a class="headerlink" href="#why-hdf5" title="Permalink to this heading">¶</a></h3>
 <p><a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> <a class="footnote-reference brackets" href="#id3" id="id5" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a> is the underlying C library and file format that enables PyTables to
 efficiently deal with the data.  It has been chosen for the following reasons:</p>
 <ul class="simple">
@@ -180,7 +178,7 @@ <h3>Why HDF5?<a class="headerlink" href="#why-hdf5" title="Link to this heading"
 </ul>
 </section>
 <section id="why-python">
-<h3>Why Python?<a class="headerlink" href="#why-python" title="Link to this heading">¶</a></h3>
+<h3>Why Python?<a class="headerlink" href="#why-python" title="Permalink to this heading">¶</a></h3>
 <ol class="arabic">
 <li><p>Python is interactive.</p>
 <p>People familiar with data processing understand how powerful command line
@@ -205,7 +203,7 @@ <h3>Why Python?<a class="headerlink" href="#why-python" title="Link to this head
 </ol>
 </section>
 <section id="why-numpy">
-<h3>Why NumPy?<a class="headerlink" href="#why-numpy" title="Link to this heading">¶</a></h3>
+<h3>Why NumPy?<a class="headerlink" href="#why-numpy" title="Permalink to this heading">¶</a></h3>
 <p><a class="reference external" href="http://www.numpy.org">NumPy</a> <a class="footnote-reference brackets" href="#id21" id="id23" role="doc-noteref"><span class="fn-bracket">[</span>3<span class="fn-bracket">]</span></a> is a Python package to efficiently deal with large datasets
 <strong>in-memory</strong>, providing containers for homogeneous data, heterogeneous data,
 and string arrays.
@@ -214,7 +212,7 @@ <h3>Why NumPy?<a class="headerlink" href="#why-numpy" title="Link to this headin
 </section>
 </section>
 <section id="where-can-pytables-be-applied">
-<h2>Where can PyTables be applied?<a class="headerlink" href="#where-can-pytables-be-applied" title="Link to this heading">¶</a></h2>
+<h2>Where can PyTables be applied?<a class="headerlink" href="#where-can-pytables-be-applied" title="Permalink to this heading">¶</a></h2>
 <p>In all the scenarios where one needs to deal with large datasets:</p>
 <ul class="simple">
 <li><p>Industrial applications</p>
@@ -240,7 +238,7 @@ <h2>Where can PyTables be applied?<a class="headerlink" href="#where-can-pytable
 </li>
 </ul>
 <section id="is-pytables-safe">
-<h3>Is PyTables safe?<a class="headerlink" href="#is-pytables-safe" title="Link to this heading">¶</a></h3>
+<h3>Is PyTables safe?<a class="headerlink" href="#is-pytables-safe" title="Permalink to this heading">¶</a></h3>
 <p>Well, first of all, let me state that PyTables does not support transactional
 features yet (we don’t even know if we will ever be motivated to implement
 this!), so there is always the risk that you can lose your data in case of an
@@ -250,7 +248,7 @@ <h3>Is PyTables safe?<a class="headerlink" href="#is-pytables-safe" title="Link
 of data.</p>
 </section>
 <section id="can-pytables-be-used-in-concurrent-access-scenarios">
-<h3>Can PyTables be used in concurrent access scenarios?<a class="headerlink" href="#can-pytables-be-used-in-concurrent-access-scenarios" title="Link to this heading">¶</a></h3>
+<h3>Can PyTables be used in concurrent access scenarios?<a class="headerlink" href="#can-pytables-be-used-in-concurrent-access-scenarios" title="Permalink to this heading">¶</a></h3>
 <p>It depends. Concurrent reads are no problem at all. However, whenever a process
 (or thread) is trying to write, then problems will start to appear.  First,
 PyTables doesn’t support locking at any level, so several process writing
@@ -290,7 +288,7 @@ <h3>Can PyTables be used in concurrent access scenarios?<a class="headerlink" hr
 <p>See also the discussion in <a class="reference external" href="https://github.com/PyTables/PyTables/issues/790">gh-790</a>.</p>
 </section>
 <section id="what-kind-of-containers-does-pytables-implement">
-<h3>What kind of containers does PyTables implement?<a class="headerlink" href="#what-kind-of-containers-does-pytables-implement" title="Link to this heading">¶</a></h3>
+<h3>What kind of containers does PyTables implement?<a class="headerlink" href="#what-kind-of-containers-does-pytables-implement" title="Permalink to this heading">¶</a></h3>
 <p>PyTables does support a series of data containers that address specific needs
 of the user. Below is a brief description of them:</p>
 <dl class="simple">
@@ -319,17 +317,17 @@ <h3>What kind of containers does PyTables implement?<a class="headerlink" href="
 <p>Please refer to the  <a class="reference internal" href="usersguide/libref.html"><span class="doc">Library Reference</span></a> for more specific information.</p>
 </section>
 <section id="cool-i-d-like-to-see-some-examples-of-use">
-<h3>Cool! I’d like to see some examples of use.<a class="headerlink" href="#cool-i-d-like-to-see-some-examples-of-use" title="Link to this heading">¶</a></h3>
+<h3>Cool! I’d like to see some examples of use.<a class="headerlink" href="#cool-i-d-like-to-see-some-examples-of-use" title="Permalink to this heading">¶</a></h3>
 <p>Sure. Go to the HowToUse section to find simple examples that will help you
 getting started.</p>
 </section>
 <section id="can-you-show-me-some-screenshots">
-<h3>Can you show me some screenshots?<a class="headerlink" href="#can-you-show-me-some-screenshots" title="Link to this heading">¶</a></h3>
+<h3>Can you show me some screenshots?<a class="headerlink" href="#can-you-show-me-some-screenshots" title="Permalink to this heading">¶</a></h3>
 <p>Well, PyTables is not a graphical library by itself.  However, you may want to
 check out <a class="reference external" href="http://vitables.org">ViTables</a> <a class="footnote-reference brackets" href="#id40" id="id41" role="doc-noteref"><span class="fn-bracket">[</span>8<span class="fn-bracket">]</span></a>, a GUI tool to browse and edit PyTables &amp; <a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> <a class="footnote-reference brackets" href="#id3" id="id7" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a> files.</p>
 </section>
 <section id="is-pytables-a-replacement-for-a-relational-database">
-<h3>Is PyTables a replacement for a relational database?<a class="headerlink" href="#is-pytables-a-replacement-for-a-relational-database" title="Link to this heading">¶</a></h3>
+<h3>Is PyTables a replacement for a relational database?<a class="headerlink" href="#is-pytables-a-replacement-for-a-relational-database" title="Permalink to this heading">¶</a></h3>
 <p>No, by no means. PyTables lacks many features that are standard in most
 relational databases.  In particular, it does not have support for
 relationships (beyond the hierarchical one, of course) between datasets and it
@@ -347,7 +345,7 @@ <h3>Is PyTables a replacement for a relational database?<a class="headerlink" hr
 related).</p>
 </section>
 <section id="how-can-pytables-be-fast-if-it-is-written-in-an-interpreted-language-like-python">
-<h3>How can PyTables be fast if it is written in an interpreted language like Python?<a class="headerlink" href="#how-can-pytables-be-fast-if-it-is-written-in-an-interpreted-language-like-python" title="Link to this heading">¶</a></h3>
+<h3>How can PyTables be fast if it is written in an interpreted language like Python?<a class="headerlink" href="#how-can-pytables-be-fast-if-it-is-written-in-an-interpreted-language-like-python" title="Permalink to this heading">¶</a></h3>
 <p>Actually, all of the critical I/O code in PyTables is a thin layer of code on
 top of <a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> <a class="footnote-reference brackets" href="#id3" id="id8" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a>, which is a very efficient C library. <a class="reference external" href="http://www.cython.org">Cython</a> <a class="footnote-reference brackets" href="#id42" id="id43" role="doc-noteref"><span class="fn-bracket">[</span>9<span class="fn-bracket">]</span></a> is used as the
 <em>glue</em> language to generate “wrappers” around HDF5 calls so that they can be
@@ -357,7 +355,7 @@ <h3>How can PyTables be fast if it is written in an interpreted language like Py
 properly, allows to generate code that runs at almost pure C speeds).</p>
 </section>
 <section id="if-it-is-designed-to-deal-with-very-large-datasets-then-pytables-should-consume-a-lot-of-memory-shouldn-t-it">
-<h3>If it is designed to deal with very large datasets, then PyTables should consume a lot of memory, shouldn’t it?<a class="headerlink" href="#if-it-is-designed-to-deal-with-very-large-datasets-then-pytables-should-consume-a-lot-of-memory-shouldn-t-it" title="Link to this heading">¶</a></h3>
+<h3>If it is designed to deal with very large datasets, then PyTables should consume a lot of memory, shouldn’t it?<a class="headerlink" href="#if-it-is-designed-to-deal-with-very-large-datasets-then-pytables-should-consume-a-lot-of-memory-shouldn-t-it" title="Permalink to this heading">¶</a></h3>
 <p>Well, you already know that PyTables sits on top of HDF5, Python and <a class="reference external" href="http://www.numpy.org">NumPy</a> <a class="footnote-reference brackets" href="#id21" id="id25" role="doc-noteref"><span class="fn-bracket">[</span>3<span class="fn-bracket">]</span></a>,
 and if we add its own logic (~7500 lines of code in Python, ~3000 in Cython and
 ~4000 in C), then we should conclude that PyTables isn’t effectively a paradigm
@@ -373,7 +371,7 @@ <h3>If it is designed to deal with very large datasets, then PyTables should con
 of memory (on a 32-bit platform).  All in all, it is not that much, is it?.</p>
 </section>
 <section id="why-was-pytables-born">
-<h3>Why was PyTables born?<a class="headerlink" href="#why-was-pytables-born" title="Link to this heading">¶</a></h3>
+<h3>Why was PyTables born?<a class="headerlink" href="#why-was-pytables-born" title="Permalink to this heading">¶</a></h3>
 <p>Because, back in August 2002, one of its authors (<a class="reference external" href="https://github.com/FrancescAlted">Francesc Alted</a> <a class="footnote-reference brackets" href="#id45" id="id46" role="doc-noteref"><span class="fn-bracket">[</span>10<span class="fn-bracket">]</span></a>) had a need
 to save lots of hierarchical data in an efficient way for later post-processing
 it.  After trying out several approaches, he found that they presented distinct
@@ -391,7 +389,7 @@ <h3>Why was PyTables born?<a class="headerlink" href="#why-was-pytables-born" ti
 October 2002, three months after his itch started to eat him ;-).</p>
 </section>
 <section id="how-does-pytables-compare-with-the-h5py-project">
-<h3>How does PyTables compare with the h5py project?<a class="headerlink" href="#how-does-pytables-compare-with-the-h5py-project" title="Link to this heading">¶</a></h3>
+<h3>How does PyTables compare with the h5py project?<a class="headerlink" href="#how-does-pytables-compare-with-the-h5py-project" title="Permalink to this heading">¶</a></h3>
 <p>Well, they are similar in that both packages are Python interfaces to the <a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> <a class="footnote-reference brackets" href="#id3" id="id12" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a>
 library, but there are some important differences to be noted.  <a class="reference external" href="http://www.h5py.org">h5py</a> <a class="footnote-reference brackets" href="#id54" id="id55" role="doc-noteref"><span class="fn-bracket">[</span>13<span class="fn-bracket">]</span></a> is an
 attempt to map the <a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> <a class="footnote-reference brackets" href="#id3" id="id13" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a> feature set to <a class="reference external" href="http://www.numpy.org">NumPy</a> <a class="footnote-reference brackets" href="#id21" id="id27" role="doc-noteref"><span class="fn-bracket">[</span>3<span class="fn-bracket">]</span></a> as closely as possible.  In
@@ -417,20 +415,20 @@ <h3>How does PyTables compare with the h5py project?<a class="headerlink" href="
 comparison in a similar entry of the <a class="reference external" href="http://docs.h5py.org/en/latest/faq.html#what-s-the-difference-between-h5py-and-pytables">FAQ of h5py</a> <a class="footnote-reference brackets" href="#id66" id="id67" role="doc-noteref"><span class="fn-bracket">[</span>18<span class="fn-bracket">]</span></a>.</p>
 </section>
 <section id="i-ve-found-a-bug-what-do-i-do">
-<h3>I’ve found a bug.  What do I do?<a class="headerlink" href="#i-ve-found-a-bug-what-do-i-do" title="Link to this heading">¶</a></h3>
+<h3>I’ve found a bug.  What do I do?<a class="headerlink" href="#i-ve-found-a-bug-what-do-i-do" title="Permalink to this heading">¶</a></h3>
 <p>The PyTables development team works hard to make this eventuality as rare as
 possible, but, as in any software made by human beings, bugs do occur.  If you
 find any bug, please tell us by file a bug report in the <a class="reference external" href="https://github.com/PyTables/PyTables/issues">issue tracker</a> <a class="footnote-reference brackets" href="#id68" id="id69" role="doc-noteref"><span class="fn-bracket">[</span>19<span class="fn-bracket">]</span></a> on
 <a class="reference external" href="https://github.com">GitHub</a> <a class="footnote-reference brackets" href="#id70" id="id71" role="doc-noteref"><span class="fn-bracket">[</span>20<span class="fn-bracket">]</span></a>.</p>
 </section>
 <section id="is-it-possible-to-get-involved-in-pytables-development">
-<h3>Is it possible to get involved in PyTables development?<a class="headerlink" href="#is-it-possible-to-get-involved-in-pytables-development" title="Link to this heading">¶</a></h3>
+<h3>Is it possible to get involved in PyTables development?<a class="headerlink" href="#is-it-possible-to-get-involved-in-pytables-development" title="Permalink to this heading">¶</a></h3>
 <p>Indeed. We are keen for more people to help out contributing code, unit tests,
 documentation, and helping out maintaining this wiki. Drop us a mail on the
 <cite>users mailing list</cite> and tell us in which area do you want to work.</p>
 </section>
 <section id="how-can-i-cite-pytables">
-<h3>How can I cite PyTables?<a class="headerlink" href="#how-can-i-cite-pytables" title="Link to this heading">¶</a></h3>
+<h3>How can I cite PyTables?<a class="headerlink" href="#how-can-i-cite-pytables" title="Permalink to this heading">¶</a></h3>
 <p>The recommended way to cite PyTables in a paper or a presentation is as
 following:</p>
 <ul class="simple">
@@ -451,15 +449,15 @@ <h3>How can I cite PyTables?<a class="headerlink" href="#how-can-i-cite-pytables
 </section>
 </section>
 <section id="pytables-2-x-issues">
-<h2>PyTables 2.x issues<a class="headerlink" href="#pytables-2-x-issues" title="Link to this heading">¶</a></h2>
+<h2>PyTables 2.x issues<a class="headerlink" href="#pytables-2-x-issues" title="Permalink to this heading">¶</a></h2>
 <section id="i-m-having-problems-migrating-my-apps-from-pytables-1-x-into-pytables-2-x-please-help">
-<h3>I’m having problems migrating my apps from PyTables 1.x into PyTables 2.x. Please, help!<a class="headerlink" href="#i-m-having-problems-migrating-my-apps-from-pytables-1-x-into-pytables-2-x-please-help" title="Link to this heading">¶</a></h3>
+<h3>I’m having problems migrating my apps from PyTables 1.x into PyTables 2.x. Please, help!<a class="headerlink" href="#i-m-having-problems-migrating-my-apps-from-pytables-1-x-into-pytables-2-x-please-help" title="Permalink to this heading">¶</a></h3>
 <p>Sure.  However, you should first check out the <a class="reference internal" href="MIGRATING_TO_2.x.html"><span class="doc">Migrating from PyTables 1.x to 2.x</span></a>
 document.
 It should provide hints to the most frequently asked questions on this regard.</p>
 </section>
 <section id="for-combined-searches-like-table-where-x-5-x-3-why-was-a-operator-chosen-instead-of-an-and">
-<h3>For combined searches like <cite>table.where(‘(x&lt;5) &amp; (x&gt;3)’)</cite>, why was a <cite>&amp;</cite> operator chosen instead of an <cite>and</cite>?<a class="headerlink" href="#for-combined-searches-like-table-where-x-5-x-3-why-was-a-operator-chosen-instead-of-an-and" title="Link to this heading">¶</a></h3>
+<h3>For combined searches like <cite>table.where(‘(x&lt;5) &amp; (x&gt;3)’)</cite>, why was a <cite>&amp;</cite> operator chosen instead of an <cite>and</cite>?<a class="headerlink" href="#for-combined-searches-like-table-where-x-5-x-3-why-was-a-operator-chosen-instead-of-an-and" title="Permalink to this heading">¶</a></h3>
 <p>Search expressions are in fact Python expressions written as strings, and they
 are evaluated as such.  This has the advantage of not having to learn a new
 syntax, but it also implies some limitations with logical <cite>and</cite> and <cite>or</cite>
@@ -478,7 +476,7 @@ <h3>For combined searches like <cite>table.where(‘(x&lt;5) &amp; (x&gt;3)’)<
 335</a> <a class="footnote-reference brackets" href="#id76" id="id77" role="doc-noteref"><span class="fn-bracket">[</span>23<span class="fn-bracket">]</span></a> and <a class="reference external" href="https://mail.python.org/pipermail/python-dev/2004-September/048763.html">this thread</a> <a class="footnote-reference brackets" href="#id78" id="id79" role="doc-noteref"><span class="fn-bracket">[</span>24<span class="fn-bracket">]</span></a> for more details).</p>
 </section>
 <section id="i-can-not-select-rows-using-in-kernel-queries-with-a-condition-that-involves-an-uint64col-why">
-<h3>I can not select rows using in-kernel queries with a condition that involves an UInt64Col. Why?<a class="headerlink" href="#i-can-not-select-rows-using-in-kernel-queries-with-a-condition-that-involves-an-uint64col-why" title="Link to this heading">¶</a></h3>
+<h3>I can not select rows using in-kernel queries with a condition that involves an UInt64Col. Why?<a class="headerlink" href="#i-can-not-select-rows-using-in-kernel-queries-with-a-condition-that-involves-an-uint64col-why" title="Permalink to this heading">¶</a></h3>
 <p>This turns out to be a limitation of the <a class="reference external" href="https://github.com/pydata/numexpr">numexpr</a> <a class="footnote-reference brackets" href="#id62" id="id64" role="doc-noteref"><span class="fn-bracket">[</span>17<span class="fn-bracket">]</span></a> package.  Internally,
 <a class="reference external" href="https://github.com/pydata/numexpr">numexpr</a> <a class="footnote-reference brackets" href="#id62" id="id65" role="doc-noteref"><span class="fn-bracket">[</span>17<span class="fn-bracket">]</span></a> uses a limited set of types for doing calculations, and unsigned
 integers are always upcasted to the immediate signed integer that can fit the
@@ -496,7 +494,7 @@ <h3>I can not select rows using in-kernel queries with a condition that involves
 platforms, where the values will be converted to Python <cite>long</cite> values).</p>
 </section>
 <section id="i-m-already-using-pytables-2-x-but-i-m-still-getting-numarray-objects-instead-of-numpy-ones">
-<h3>I’m already using PyTables 2.x but I’m still getting numarray objects instead of NumPy ones!<a class="headerlink" href="#i-m-already-using-pytables-2-x-but-i-m-still-getting-numarray-objects-instead-of-numpy-ones" title="Link to this heading">¶</a></h3>
+<h3>I’m already using PyTables 2.x but I’m still getting numarray objects instead of NumPy ones!<a class="headerlink" href="#i-m-already-using-pytables-2-x-but-i-m-still-getting-numarray-objects-instead-of-numpy-ones" title="Permalink to this heading">¶</a></h3>
 <p>This is most probably due to the fact that you are using a file created with
 PyTables 1.x series.  By default, PyTables 1.x was setting an HDF5 attribute
 <cite>FLAVOR</cite> with the value <cite>‘numarray’</cite> to all leaves.  Now, PyTables 2.x sees
@@ -525,11 +523,11 @@ <h3>I’m already using PyTables 2.x but I’m still getting numarray objects in
 </section>
 </section>
 <section id="installation-issues">
-<h2>Installation issues<a class="headerlink" href="#installation-issues" title="Link to this heading">¶</a></h2>
+<h2>Installation issues<a class="headerlink" href="#installation-issues" title="Permalink to this heading">¶</a></h2>
 <section id="windows">
-<h3>Windows<a class="headerlink" href="#windows" title="Link to this heading">¶</a></h3>
+<h3>Windows<a class="headerlink" href="#windows" title="Permalink to this heading">¶</a></h3>
 <section id="error-when-importing-tables">
-<h4>Error when importing tables<a class="headerlink" href="#error-when-importing-tables" title="Link to this heading">¶</a></h4>
+<h4>Error when importing tables<a class="headerlink" href="#error-when-importing-tables" title="Permalink to this heading">¶</a></h4>
 <p>You have installed the binary installer for Windows and, when importing the
 <em>tables</em> package you are getting an error like:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">The</span> <span class="n">command</span> <span class="ow">in</span> <span class="s2">&quot;0x6714a822&quot;</span> <span class="n">refers</span> <span class="n">to</span> <span class="n">memory</span> <span class="ow">in</span> <span class="s2">&quot;0x012011a0&quot;</span><span class="o">.</span> <span class="n">The</span>
diff --git a/MIGRATING_TO_2.x.html b/MIGRATING_TO_2.x.html
index 9064d39..0ac538f 100644
--- a/MIGRATING_TO_2.x.html
+++ b/MIGRATING_TO_2.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Migrating from PyTables 1.x to 2.x &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -107,9 +105,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Migrating from PyTables 1.x to 2.x</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Migrating from PyTables 1.x to 2.x</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/MIGRATING_TO_2.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -120,7 +118,7 @@
            <div itemprop="articleBody">
              
   <section id="migrating-from-pytables-1-x-to-2-x">
-<h1>Migrating from PyTables 1.x to 2.x<a class="headerlink" href="#migrating-from-pytables-1-x-to-2-x" title="Link to this heading">¶</a></h1>
+<h1>Migrating from PyTables 1.x to 2.x<a class="headerlink" href="#migrating-from-pytables-1-x-to-2-x" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted i Abad</p>
@@ -138,7 +136,7 @@ <h1>Migrating from PyTables 1.x to 2.x<a class="headerlink" href="#migrating-fro
 <p>Next are described a series of issues that you must have in mind when
 migrating from PyTables 1.x to PyTables 2.x series.</p>
 <section id="new-type-system">
-<h2>New type system<a class="headerlink" href="#new-type-system" title="Link to this heading">¶</a></h2>
+<h2>New type system<a class="headerlink" href="#new-type-system" title="Permalink to this heading">¶</a></h2>
 <p>In PyTables 2.x all the data types for leaves are described through a couple
 of classes:</p>
 <ul class="simple">
@@ -172,7 +170,7 @@ <h2>New type system<a class="headerlink" href="#new-type-system" title="Link to
 information on the new PyTables types.</p>
 </section>
 <section id="important-changes-in-atom-specification">
-<h2>Important changes in <code class="docutils literal notranslate"><span class="pre">Atom</span></code> specification<a class="headerlink" href="#important-changes-in-atom-specification" title="Link to this heading">¶</a></h2>
+<h2>Important changes in <code class="docutils literal notranslate"><span class="pre">Atom</span></code> specification<a class="headerlink" href="#important-changes-in-atom-specification" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <code class="docutils literal notranslate"><span class="pre">dtype</span></code> argument of <code class="docutils literal notranslate"><span class="pre">EnumAtom</span></code> and <code class="docutils literal notranslate"><span class="pre">EnumCol</span></code> constructors
 has been replaced by the <code class="docutils literal notranslate"><span class="pre">base</span></code> argument, which can take a
@@ -202,7 +200,7 @@ <h2>Important changes in <code class="docutils literal notranslate"><span class=
 </ul>
 </section>
 <section id="new-query-system">
-<h2>New query system<a class="headerlink" href="#new-query-system" title="Link to this heading">¶</a></h2>
+<h2>New query system<a class="headerlink" href="#new-query-system" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>In-kernel conditions, since they are based now in Numexpr, must be written
 <em>as strings</em>.  For example, a condition that in 1.x was stated as:</p>
@@ -224,7 +222,7 @@ <h2>New query system<a class="headerlink" href="#new-query-system" title="Link t
 </ul>
 </section>
 <section id="new-indexing-system">
-<h2>New indexing system<a class="headerlink" href="#new-indexing-system" title="Link to this heading">¶</a></h2>
+<h2>New indexing system<a class="headerlink" href="#new-indexing-system" title="Permalink to this heading">¶</a></h2>
 <p>The indexing system has been totally rewritten from scratch for PyTables 2.0
 Pro Edition.  The new indexing system has been included into PyTables with
 release 2.3.  Due to this, your existing indexes created with PyTables 1.x
@@ -236,7 +234,7 @@ <h2>New indexing system<a class="headerlink" href="#new-indexing-system" title="
 utility.</p>
 </section>
 <section id="new-meanings-for-atom-shape-and-array-shape-argument">
-<h2>New meanings for atom shape and <code class="docutils literal notranslate"><span class="pre">*Array</span></code> shape argument<a class="headerlink" href="#new-meanings-for-atom-shape-and-array-shape-argument" title="Link to this heading">¶</a></h2>
+<h2>New meanings for atom shape and <code class="docutils literal notranslate"><span class="pre">*Array</span></code> shape argument<a class="headerlink" href="#new-meanings-for-atom-shape-and-array-shape-argument" title="Permalink to this heading">¶</a></h2>
 <p>With PyTables 1.x, the atom shape was used for different goals depending on
 the context it was used.  For example, in <code class="docutils literal notranslate"><span class="pre">createEArray()</span></code>, the shape of the
 atom was used to specify the <em>dataset shape</em> of the object on disk, while in
@@ -259,7 +257,7 @@ <h2>New meanings for atom shape and <code class="docutils literal notranslate"><
 types in PyTables.  See the Users’ Manual for more info on this.</p>
 </section>
 <section id="new-argument-chunkshape-of-chunked-leaves">
-<h2>New argument <code class="docutils literal notranslate"><span class="pre">chunkshape</span></code> of chunked leaves<a class="headerlink" href="#new-argument-chunkshape-of-chunked-leaves" title="Link to this heading">¶</a></h2>
+<h2>New argument <code class="docutils literal notranslate"><span class="pre">chunkshape</span></code> of chunked leaves<a class="headerlink" href="#new-argument-chunkshape-of-chunked-leaves" title="Permalink to this heading">¶</a></h2>
 <p>It is possible now to specify the chunk shape for all the chunked leaves in
 PyTables (all except <code class="docutils literal notranslate"><span class="pre">Array</span></code>).  With PyTables 1.x this value was
 automatically calculated so as to achieve decent results in most of the
@@ -273,7 +271,7 @@ <h2>New argument <code class="docutils literal notranslate"><span class="pre">ch
 but it can be useful for inspection by advanced users.</p>
 </section>
 <section id="new-flavor-specification">
-<h2>New flavor specification<a class="headerlink" href="#new-flavor-specification" title="Link to this heading">¶</a></h2>
+<h2>New flavor specification<a class="headerlink" href="#new-flavor-specification" title="Permalink to this heading">¶</a></h2>
 <p>As of 2.x, flavors can <em>only</em> be set through the <code class="docutils literal notranslate"><span class="pre">flavor</span></code> attribute of
 leaves, and they are <em>persistent</em>, so changing a flavor requires that the file
 be writable.</p>
@@ -282,7 +280,7 @@ <h2>New flavor specification<a class="headerlink" href="#new-flavor-specificatio
 <code class="docutils literal notranslate"><span class="pre">Atom</span></code> constructors or the <code class="docutils literal notranslate"><span class="pre">_v_flavor</span></code> attribute of descriptions.</p>
 </section>
 <section id="system-attributes-can-be-deleted-now">
-<h2>System attributes can be deleted now<a class="headerlink" href="#system-attributes-can-be-deleted-now" title="Link to this heading">¶</a></h2>
+<h2>System attributes can be deleted now<a class="headerlink" href="#system-attributes-can-be-deleted-now" title="Permalink to this heading">¶</a></h2>
 <p>The protection against removing system attributes (like <code class="docutils literal notranslate"><span class="pre">FILTERS</span></code>,
 <code class="docutils literal notranslate"><span class="pre">FLAVOR</span></code> or <code class="docutils literal notranslate"><span class="pre">CLASS</span></code>, to name only a few) has been completely removed.  It
 is now the responsibility of the user to make a proper use of this freedom.
@@ -290,7 +288,7 @@ <h2>System attributes can be deleted now<a class="headerlink" href="#system-attr
 want to (for example, for making a file to look more like an HDF5 native one).</p>
 </section>
 <section id="byteorder-issues">
-<h2>Byteorder issues<a class="headerlink" href="#byteorder-issues" title="Link to this heading">¶</a></h2>
+<h2>Byteorder issues<a class="headerlink" href="#byteorder-issues" title="Permalink to this heading">¶</a></h2>
 <p>Now, all the data coming from reads and internal buffers is always converted
 on-the-fly, if needed, to the <em>native</em> byteorder.  This represents a big
 advantage in terms of speed when operating with objects coming from files that
@@ -301,7 +299,7 @@ <h2>Byteorder issues<a class="headerlink" href="#byteorder-issues" title="Link t
 should use the aforementioned <code class="docutils literal notranslate"><span class="pre">byteorder</span></code> parameter.</p>
 </section>
 <section id="tunable-internal-buffer-sizes">
-<h2>Tunable internal buffer sizes<a class="headerlink" href="#tunable-internal-buffer-sizes" title="Link to this heading">¶</a></h2>
+<h2>Tunable internal buffer sizes<a class="headerlink" href="#tunable-internal-buffer-sizes" title="Permalink to this heading">¶</a></h2>
 <p>You can change the size of the internal buffers for I/O purposes of PyTables
 by changing the value of the new public attribute <code class="docutils literal notranslate"><span class="pre">nrowsinbuf</span></code> that is
 present in all leaves.  By default, this contains a sensible value so as to
@@ -310,7 +308,7 @@ <h2>Tunable internal buffer sizes<a class="headerlink" href="#tunable-internal-b
 memory consumption…).</p>
 </section>
 <section id="changes-to-module-names">
-<h2>Changes to module names<a class="headerlink" href="#changes-to-module-names" title="Link to this heading">¶</a></h2>
+<h2>Changes to module names<a class="headerlink" href="#changes-to-module-names" title="Permalink to this heading">¶</a></h2>
 <p>If your application is directly accessing modules under the <code class="docutils literal notranslate"><span class="pre">tables</span></code>
 package, you need to know that <em>the names of all modules are now all in
 lowercase</em>.  This allows one to tell apart the <code class="docutils literal notranslate"><span class="pre">tables.Array</span></code> <em>class</em> from
@@ -327,7 +325,7 @@ <h2>Changes to module names<a class="headerlink" href="#changes-to-module-names"
 on PyTables.</p>
 </section>
 <section id="other-changes">
-<h2>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h2>
+<h2>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p><code class="docutils literal notranslate"><span class="pre">Filters.complib</span></code> is <code class="docutils literal notranslate"><span class="pre">None</span></code> for filter properties created with
 <code class="docutils literal notranslate"><span class="pre">complevel=0</span></code> (i.e. disabled compression, which is the default).</p></li>
diff --git a/MIGRATING_TO_3.x.html b/MIGRATING_TO_3.x.html
index b5a037f..5331aac 100644
--- a/MIGRATING_TO_3.x.html
+++ b/MIGRATING_TO_3.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Migrating from PyTables 2.x to 3.x &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -110,8 +108,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Migrating from PyTables 2.x to 3.x</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>Migrating from PyTables 2.x to 3.x</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/MIGRATING_TO_3.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -122,7 +120,7 @@
            <div itemprop="articleBody">
              
   <section id="migrating-from-pytables-2-x-to-3-x">
-<h1>Migrating from PyTables 2.x to 3.x<a class="headerlink" href="#migrating-from-pytables-2-x-to-3-x" title="Link to this heading">¶</a></h1>
+<h1>Migrating from PyTables 2.x to 3.x<a class="headerlink" href="#migrating-from-pytables-2-x-to-3-x" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Antonio Valentino</p>
@@ -138,7 +136,7 @@ <h1>Migrating from PyTables 2.x to 3.x<a class="headerlink" href="#migrating-fro
 2.x to 3.x series and what you need to know when migrating downstream
 code bases.</p>
 <section id="python-3-at-last">
-<h2>Python 3 at Last!<a class="headerlink" href="#python-3-at-last" title="Link to this heading">¶</a></h2>
+<h2>Python 3 at Last!<a class="headerlink" href="#python-3-at-last" title="Permalink to this heading">¶</a></h2>
 <p>The PyTables 3.x series now ships with full compatibility for Python 3.1+.
 Additionally, we plan on maintaining compatibility with Python 2.7 for the
 foreseeable future.  Python 2.6 is no longer supported but
@@ -147,14 +145,14 @@ <h2>Python 3 at Last!<a class="headerlink" href="#python-3-at-last" title="Link
 Python 2 &amp; 3.</p>
 </section>
 <section id="numeric-numarray-netcdf3-hdf5-1-6-no-more">
-<h2>Numeric, Numarray, NetCDF3, &amp; HDF5 1.6 No More!<a class="headerlink" href="#numeric-numarray-netcdf3-hdf5-1-6-no-more" title="Link to this heading">¶</a></h2>
+<h2>Numeric, Numarray, NetCDF3, &amp; HDF5 1.6 No More!<a class="headerlink" href="#numeric-numarray-netcdf3-hdf5-1-6-no-more" title="Permalink to this heading">¶</a></h2>
 <p>PyTables no longer supports numeric and numarray. Please use numpy instead.
 Additionally, the <code class="docutils literal notranslate"><span class="pre">tables.netcdf3</span></code> module has been removed. Please refer
 to the <a class="reference external" href="http://code.google.com/p/netcdf4-python/">netcdf4-python</a> project for further support. Lastly, the older
 HDF5 1.6 API is no longer supported.  Please upgrade to HDF5 1.8+.</p>
 </section>
 <section id="unicode-all-the-strings">
-<h2>Unicode all the strings!<a class="headerlink" href="#unicode-all-the-strings" title="Link to this heading">¶</a></h2>
+<h2>Unicode all the strings!<a class="headerlink" href="#unicode-all-the-strings" title="Permalink to this heading">¶</a></h2>
 <p>In Python 3, all strings are natively in Unicode. This introduces some
 difficulties, as the native HDF5 string format is not Unicode-compatible.
 To minimize explicit conversion troubles when writing, especially <a class="reference internal" href="#create-signatures"><span class="std std-ref">when
@@ -167,13 +165,13 @@ <h2>Unicode all the strings!<a class="headerlink" href="#unicode-all-the-strings
 For true Unicode support, look into the <code class="docutils literal notranslate"><span class="pre">VLUnicodeAtom</span></code> class.</p>
 </section>
 <section id="major-api-changes">
-<h2>Major API Changes<a class="headerlink" href="#major-api-changes" title="Link to this heading">¶</a></h2>
+<h2>Major API Changes<a class="headerlink" href="#major-api-changes" title="Permalink to this heading">¶</a></h2>
 <p>The PyTables developers, <a class="reference external" href="http://sourceforge.net/mailarchive/message.php?msg_id=29584752">by popular demand</a>, have taken this opportunity
 that a major version number upgrade affords to implement significant API
 changes.  We have tried to do this in such a way that will not immediately
 break most existing code, though in some breakages may still occur.</p>
 <section id="pep-8-compliance">
-<h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Link to this heading">¶</a></h3>
+<h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Permalink to this heading">¶</a></h3>
 <p>The PyTables 3.x series now follows <a class="reference external" href="http://www.python.org/dev/peps/pep-0008/">PEP 8</a> coding standard.  This makes
 using PyTables more idiomatic with surrounding Python code that also adheres
 to this standard.  The primary way that the 2.x series was <em>not</em> PEP 8
@@ -189,32 +187,32 @@ <h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Link t
 was implemented using regular expressions rather than a fancier AST-based
 method. By using regexes, <code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> works on Python and Cython code.</p>
 <p><code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> <strong>help:</strong></p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage:<span class="w"> </span>pt2to3<span class="w"> </span><span class="o">[</span>-h<span class="o">]</span><span class="w"> </span><span class="o">[</span>-r<span class="o">]</span><span class="w"> </span><span class="o">[</span>-p<span class="o">]</span><span class="w"> </span><span class="o">[</span>-o<span class="w"> </span>OUTPUT<span class="o">]</span><span class="w"> </span><span class="o">[</span>-i<span class="o">]</span><span class="w"> </span>filename
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage: pt2to3 <span class="o">[</span>-h<span class="o">]</span> <span class="o">[</span>-r<span class="o">]</span> <span class="o">[</span>-p<span class="o">]</span> <span class="o">[</span>-o OUTPUT<span class="o">]</span> <span class="o">[</span>-i<span class="o">]</span> filename
 
-PyTables<span class="w"> </span><span class="m">2</span>.x<span class="w"> </span>-&gt;<span class="w"> </span><span class="m">3</span>.x<span class="w"> </span>API<span class="w"> </span>transition<span class="w"> </span>tool<span class="w"> </span>This<span class="w"> </span>tool<span class="w"> </span>displays<span class="w"> </span>to<span class="w"> </span>standard<span class="w"> </span>out,<span class="w"> </span>so
-it<span class="w"> </span>is<span class="w"> </span>common<span class="w"> </span>to<span class="w"> </span>pipe<span class="w"> </span>this<span class="w"> </span>to<span class="w"> </span>another<span class="w"> </span>file:<span class="w"> </span>$<span class="w"> </span>pt2to3<span class="w"> </span>oldfile.py<span class="w"> </span>&gt;<span class="w"> </span>newfile.py
+PyTables <span class="m">2</span>.x -&gt; <span class="m">3</span>.x API transition tool This tool displays to standard out, so
+it is common to pipe this to another file: $ pt2to3 oldfile.py &gt; newfile.py
 
-positional<span class="w"> </span>arguments:
-<span class="w">  </span>filename<span class="w">              </span>path<span class="w"> </span>to<span class="w"> </span>input<span class="w"> </span>file.
+positional arguments:
+  filename              path to input file.
 
-optional<span class="w"> </span>arguments:
-<span class="w">  </span>-h,<span class="w"> </span>--help<span class="w">            </span>show<span class="w"> </span>this<span class="w"> </span><span class="nb">help</span><span class="w"> </span>message<span class="w"> </span>and<span class="w"> </span><span class="nb">exit</span>
-<span class="w">  </span>-r,<span class="w"> </span>--reverse<span class="w">         </span>reverts<span class="w"> </span>changes,<span class="w"> </span>going<span class="w"> </span>from<span class="w"> </span><span class="m">3</span>.x<span class="w"> </span>-&gt;<span class="w"> </span><span class="m">2</span>.x.
-<span class="w">  </span>-p,<span class="w"> </span>--no-ignore-previous
-<span class="w">                        </span>ignores<span class="w"> </span>previous_api<span class="o">()</span><span class="w"> </span>calls.
-<span class="w">  </span>-o<span class="w"> </span>OUTPUT<span class="w">             </span>output<span class="w"> </span>file<span class="w"> </span>to<span class="w"> </span>write<span class="w"> </span>to.
-<span class="w">  </span>-i,<span class="w"> </span>--inplace<span class="w">         </span>overwrites<span class="w"> </span>the<span class="w"> </span>file<span class="w"> </span><span class="k">in</span>-place.
+optional arguments:
+  -h, --help            show this <span class="nb">help</span> message and <span class="nb">exit</span>
+  -r, --reverse         reverts changes, going from <span class="m">3</span>.x -&gt; <span class="m">2</span>.x.
+  -p, --no-ignore-previous
+                        ignores previous_api<span class="o">()</span> calls.
+  -o OUTPUT             output file to write to.
+  -i, --inplace         overwrites the file <span class="k">in</span>-place.
 </pre></div>
 </div>
 <p>Note that <code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> only works on a single file, not a directory.  However,
 a simple BASH script may be written to run <code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> over an entire directory
 and all sub-directories:</p>
 <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="ch">#!/bin/bash</span>
-<span class="k">for</span><span class="w"> </span>f<span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="k">$(</span>find<span class="w"> </span>.<span class="k">)</span>
+<span class="k">for</span> f <span class="k">in</span> <span class="k">$(</span>find .<span class="k">)</span>
 <span class="k">do</span>
-<span class="w">    </span><span class="nb">echo</span><span class="w"> </span><span class="nv">$f</span>
-<span class="w">    </span>pt2to3<span class="w"> </span><span class="nv">$f</span><span class="w"> </span>&gt;<span class="w"> </span>temp.txt
-<span class="w">    </span>mv<span class="w"> </span>temp.txt<span class="w"> </span><span class="nv">$f</span>
+    <span class="nb">echo</span> <span class="nv">$f</span>
+    pt2to3 <span class="nv">$f</span> &gt; temp.txt
+    mv temp.txt <span class="nv">$f</span>
 <span class="k">done</span>
 </pre></div>
 </div>
@@ -239,7 +237,7 @@ <h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Link t
 is subject to change.</p>
 </section>
 <section id="consistent-create-xxx-signatures">
-<span id="create-signatures"></span><h3>Consistent <code class="docutils literal notranslate"><span class="pre">create_xxx()</span></code> Signatures<a class="headerlink" href="#consistent-create-xxx-signatures" title="Link to this heading">¶</a></h3>
+<span id="create-signatures"></span><h3>Consistent <code class="docutils literal notranslate"><span class="pre">create_xxx()</span></code> Signatures<a class="headerlink" href="#consistent-create-xxx-signatures" title="Permalink to this heading">¶</a></h3>
 <p>Also by popular demand, it is now possible to create all data sets (<code class="docutils literal notranslate"><span class="pre">Array</span></code>,
 <code class="docutils literal notranslate"><span class="pre">CArray</span></code>, <code class="docutils literal notranslate"><span class="pre">EArray</span></code>, <code class="docutils literal notranslate"><span class="pre">VLArray</span></code>, and <code class="docutils literal notranslate"><span class="pre">Table</span></code>) from existing Python objects.
 Constructors for these classes now accept either of the following keyword arguments:</p>
@@ -262,7 +260,7 @@ <h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Link t
 keyword argument.</p>
 </section>
 <section id="api-name-changes">
-<span id="id1"></span><h3>API Name Changes<a class="headerlink" href="#api-name-changes" title="Link to this heading">¶</a></h3>
+<span id="id1"></span><h3>API Name Changes<a class="headerlink" href="#api-name-changes" title="Permalink to this heading">¶</a></h3>
 <p>The following tables shows the old 2.x names that have been update to their
 new values in the new 3.x series.  Please use the <code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> tool to convert
 between these.</p>
diff --git a/_modules/index.html b/_modules/index.html
index 03c1d3c..9bbaa4b 100644
--- a/_modules/index.html
+++ b/_modules/index.html
@@ -11,9 +11,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,8 +78,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Overview: module code</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>Overview: module code</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
diff --git a/_modules/tables/array.html b/_modules/tables/array.html
index dc1613d..39a8c85 100644
--- a/_modules/tables/array.html
+++ b/_modules/tables/array.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.array &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.array &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.array</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.array</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -115,10 +113,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 <span class="n">obversion</span> <span class="o">=</span> <span class="s2">&quot;2.4&quot;</span>    <span class="c1"># Numeric and numarray flavors are gone.</span>
 
 
-<div class="viewcode-block" id="Array">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array">[docs]</a>
-<span class="k">class</span> <span class="nc">Array</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">Array</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents homogeneous datasets in an HDF5 file.</span>
+<div class="viewcode-block" id="Array"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array">[docs]</a><span class="k">class</span> <span class="nc">Array</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">Array</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;This class represents homogeneous datasets in an HDF5 file.</span>
 
 <span class="sd">    This class provides methods to write or read data to or from array objects</span>
 <span class="sd">    in the file. This class does not allow you neither to enlarge nor compress</span>
@@ -180,12 +176,12 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">dtype</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The NumPy ``dtype`` that most closely matches this array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The NumPy ``dtype`` that most closely matches this array.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">dtype</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nrows</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of rows in the array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of rows in the array.&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="p">():</span>
             <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>  <span class="c1"># scalar case</span>
         <span class="k">else</span><span class="p">:</span>
@@ -193,7 +189,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">rowsize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The size of the rows in bytes in dimensions orthogonal to</span>
+        <span class="sd">&quot;&quot;&quot;The size of the rows in bytes in dimensions orthogonal to</span>
 <span class="sd">        *maindim*.&quot;&quot;&quot;</span>
         <span class="n">maindim</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">maindim</span>
         <span class="n">rowsize</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">size</span>
@@ -204,7 +200,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">size_in_memory</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The size of this array&#39;s data in bytes when it is fully loaded into</span>
+        <span class="sd">&quot;&quot;&quot;The size of this array&#39;s data in bytes when it is fully loaded into</span>
 <span class="sd">        memory.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">rowsize</span>
 
@@ -214,13 +210,13 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
                  <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The object version of this array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The object version of this array.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="n">new</span> <span class="o">=</span> <span class="n">obj</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_title</span> <span class="o">=</span> <span class="n">title</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_obj</span> <span class="o">=</span> <span class="n">obj</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The object to be stored in the array.  It can be any of numpy,</span>
+        <span class="sd">&quot;&quot;&quot;The object to be stored in the array.  It can be any of numpy,</span>
 <span class="sd">        list, tuple, string, integer of floating point types, provided</span>
 <span class="sd">        that they are regular (i.e. they are not like ``[[1, 2], 2]``).</span>
 
@@ -230,46 +226,46 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 <span class="sd">        &quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_convert</span> <span class="o">=</span> <span class="kc">True</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the ``Array`` object must be converted or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether the ``Array`` object must be converted or not.&quot;&quot;&quot;</span>
 
         <span class="c1"># Miscellaneous iteration rubbish.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_start</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Starting row for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Starting row for the current iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_stop</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Stopping row for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Stopping row for the current iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_step</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Step size for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Step size for the current iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_nrowsread</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Number of rows read up to the current state of iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Number of rows read up to the current state of iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_startb</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Starting row for current buffer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Starting row for current buffer.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_stopb</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Stopping row for current buffer. &quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Stopping row for current buffer. &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_row</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Current row in iterators (sentinel).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Current row in iterators (sentinel).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_init</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether we are in the middle of an iteration or not (sentinel).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether we are in the middle of an iteration or not (sentinel).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">listarr</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Current buffer in iterators.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Current buffer in iterators.&quot;&quot;&quot;</span>
 
         <span class="c1"># Documented (*public*) attributes.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">atom</span> <span class="o">=</span> <span class="n">_atom</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;An Atom (see :ref:`AtomClassDescr`) instance representing the *type*</span>
+        <span class="sd">&quot;&quot;&quot;An Atom (see :ref:`AtomClassDescr`) instance representing the *type*</span>
 <span class="sd">        and *shape* of the atomic objects to be saved.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of the stored array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of the stored array.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrow</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;On iterators, this is the index of the current row.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;On iterators, this is the index of the current row.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">extdim</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>   <span class="c1"># ordinary arrays are not enlargeable</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension.&quot;&quot;&quot;</span>
 
         <span class="c1"># Ordinary arrays have no filters: leaf is created with default ones.</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">new</span><span class="p">,</span> <span class="n">Filters</span><span class="p">(),</span> <span class="n">byteorder</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span>
                          <span class="n">track_times</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_create</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Save a new array in file.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Save a new array in file.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="n">obversion</span>
         <span class="k">try</span><span class="p">:</span>
@@ -312,7 +308,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_objectid</span>
 
     <span class="k">def</span> <span class="nf">_g_open</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the metadata info for an array in file.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get the metadata info for an array in file.&quot;&quot;&quot;</span>
 
         <span class="p">(</span><span class="n">oid</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_chunkshape</span><span class="p">)</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_open_array</span><span class="p">()</span>
 
@@ -320,10 +316,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">oid</span>
 
-<div class="viewcode-block" id="Array.get_enum">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.get_enum">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_enum</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the enumerated type associated with this array.</span>
+<div class="viewcode-block" id="Array.get_enum"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.get_enum">[docs]</a>    <span class="k">def</span> <span class="nf">get_enum</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the enumerated type associated with this array.</span>
 
 <span class="sd">        If this array is of an enumerated type, the corresponding Enum instance</span>
 <span class="sd">        (see :ref:`EnumClassDescr`) is returned. If it is not of an enumerated</span>
@@ -337,11 +331,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">enum</span></div>
 
-
-<div class="viewcode-block" id="Array.iterrows">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.iterrows">[docs]</a>
-    <span class="k">def</span> <span class="nf">iterrows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
+<div class="viewcode-block" id="Array.iterrows"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.iterrows">[docs]</a>    <span class="k">def</span> <span class="nf">iterrows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
 
 <span class="sd">        This method returns an iterator yielding an object of the current</span>
 <span class="sd">        flavor for each selected row in the array.  The returned rows are taken</span>
@@ -375,11 +366,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_init_loop</span><span class="p">()</span>
         <span class="k">return</span> <span class="bp">self</span></div>
 
-
-<div class="viewcode-block" id="Array.__iter__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__iter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
+<div class="viewcode-block" id="Array.__iter__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__iter__">[docs]</a>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
 
 <span class="sd">        This is equivalent to calling :meth:`Array.iterrows` with default</span>
 <span class="sd">        arguments, i.e. it iterates over *all the rows* in the array.</span>
@@ -406,9 +394,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_init_loop</span><span class="p">()</span>
         <span class="k">return</span> <span class="bp">self</span></div>
 
-
     <span class="k">def</span> <span class="nf">_init_loop</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Initialization for the __iter__ iterator.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Initialization for the __iter__ iterator.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_nrowsread</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_start</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_startb</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_start</span>
@@ -416,10 +403,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_init</span> <span class="o">=</span> <span class="kc">True</span>  <span class="c1"># Sentinel</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrow</span> <span class="o">=</span> <span class="n">SizeType</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_start</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_step</span><span class="p">)</span>    <span class="c1"># row number</span>
 
-<div class="viewcode-block" id="Array.__next__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__next__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__next__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the next element of the array during an iteration.</span>
+<div class="viewcode-block" id="Array.__next__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__next__">[docs]</a>    <span class="k">def</span> <span class="fm">__next__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the next element of the array during an iteration.</span>
 
 <span class="sd">        The element is returned as an object of the current flavor.</span>
 
@@ -455,9 +440,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
             <span class="k">else</span><span class="p">:</span>
                 <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">listarr</span>    <span class="c1"># Scalar case</span></div>
 
-
     <span class="k">def</span> <span class="nf">_interpret_indexing</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">keys</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Internal routine used by __getitem__ and __setitem__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Internal routine used by __getitem__ and __setitem__&quot;&quot;&quot;</span>
 
         <span class="n">maxlen</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
         <span class="n">shape</span> <span class="o">=</span> <span class="p">(</span><span class="n">maxlen</span><span class="p">,)</span>
@@ -524,7 +508,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">startl</span><span class="p">,</span> <span class="n">stopl</span><span class="p">,</span> <span class="n">stepl</span><span class="p">,</span> <span class="n">shape</span>
 
     <span class="k">def</span> <span class="nf">_fancy_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">args</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Performs a NumPy-style fancy selection in `self`.</span>
+        <span class="sd">&quot;&quot;&quot;Performs a NumPy-style fancy selection in `self`.</span>
 
 <span class="sd">        Implements advanced NumPy-style selection operations in</span>
 <span class="sd">        addition to the standard slice-and-int behavior.</span>
@@ -538,7 +522,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="c1"># Internal functions</span>
 
         <span class="k">def</span> <span class="nf">validate_number</span><span class="p">(</span><span class="n">num</span><span class="p">,</span> <span class="n">length</span><span class="p">):</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;Validate a list member for the given axis length.&quot;&quot;&quot;</span>
+            <span class="sd">&quot;&quot;&quot;Validate a list member for the given axis length.&quot;&quot;&quot;</span>
 
             <span class="k">try</span><span class="p">:</span>
                 <span class="n">num</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">num</span><span class="p">)</span>
@@ -548,7 +532,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
                 <span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="s2">&quot;Index out of bounds: </span><span class="si">%d</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">num</span><span class="p">)</span>
 
         <span class="k">def</span> <span class="nf">expand_ellipsis</span><span class="p">(</span><span class="n">args</span><span class="p">,</span> <span class="n">rank</span><span class="p">):</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;Expand ellipsis objects and fill in missing axes.&quot;&quot;&quot;</span>
+            <span class="sd">&quot;&quot;&quot;Expand ellipsis objects and fill in missing axes.&quot;&quot;&quot;</span>
 
             <span class="n">n_el</span> <span class="o">=</span> <span class="nb">sum</span><span class="p">(</span><span class="mi">1</span> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">args</span> <span class="k">if</span> <span class="n">arg</span> <span class="ow">is</span> <span class="bp">Ellipsis</span><span class="p">)</span>
             <span class="k">if</span> <span class="n">n_el</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
@@ -570,7 +554,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="n">final_args</span>
 
         <span class="k">def</span> <span class="nf">translate_slice</span><span class="p">(</span><span class="n">exp</span><span class="p">,</span> <span class="n">length</span><span class="p">):</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;Given a slice object, return a 3-tuple (start, count, step)</span>
+            <span class="sd">&quot;&quot;&quot;Given a slice object, return a 3-tuple (start, count, step)</span>
 
 <span class="sd">            This is for use with the hyperslab selection routines.</span>
 
@@ -698,10 +682,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="n">mshape</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mshape</span> <span class="k">if</span> <span class="n">x</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">selection</span><span class="p">,</span> <span class="n">reorder</span><span class="p">,</span> <span class="n">mshape</span>
 
-<div class="viewcode-block" id="Array.__getitem__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__getitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a row, a range of rows or a slice from the array.</span>
+<div class="viewcode-block" id="Array.__getitem__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__getitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a row, a range of rows or a slice from the array.</span>
 
 <span class="sd">        The set of tokens allowed for the key is the same as that for extended</span>
 <span class="sd">        slicing in Python (including the Ellipsis or ... token).  The result is</span>
@@ -748,11 +730,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">internal_to_flavor</span><span class="p">(</span><span class="n">arr</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Array.__setitem__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__setitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a row, a range of rows or a slice in the array.</span>
+<div class="viewcode-block" id="Array.__setitem__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.__setitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a row, a range of rows or a slice in the array.</span>
 
 <span class="sd">        It takes different actions depending on the type of the key parameter:</span>
 <span class="sd">        if it is an integer, the corresponding array row is set to value (the</span>
@@ -813,9 +792,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
                 <span class="n">selection</span><span class="p">,</span> <span class="n">reorder</span><span class="p">,</span> <span class="n">shape</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_fancy_selection</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_write_selection</span><span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">reorder</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">nparr</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_check_shape</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">nparr</span><span class="p">,</span> <span class="n">slice_shape</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Test that nparr shape is consistent with underlying object.</span>
+        <span class="sd">&quot;&quot;&quot;Test that nparr shape is consistent with underlying object.</span>
 
 <span class="sd">        If not, try creating a new nparr object, using broadcasting if</span>
 <span class="sd">        necessary.</span>
@@ -834,7 +812,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="n">nparr</span>
 
     <span class="k">def</span> <span class="nf">_read_slice</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">startl</span><span class="p">,</span> <span class="n">stopl</span><span class="p">,</span> <span class="n">stepl</span><span class="p">,</span> <span class="n">shape</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read a slice based on `startl`, `stopl` and `stepl`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Read a slice based on `startl`, `stopl` and `stepl`.&quot;&quot;&quot;</span>
 
         <span class="n">nparr</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">dtype</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">dtype</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="n">shape</span><span class="p">)</span>
         <span class="c1"># Protection against reading empty arrays</span>
@@ -847,7 +825,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">nparr</span>
 
     <span class="k">def</span> <span class="nf">_read_coords</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read a set of points defined by `coords`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Read a set of points defined by `coords`.&quot;&quot;&quot;</span>
 
         <span class="n">nparr</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">dtype</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">dtype</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="nb">len</span><span class="p">(</span><span class="n">coords</span><span class="p">))</span>
         <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">coords</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
@@ -858,7 +836,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">nparr</span>
 
     <span class="k">def</span> <span class="nf">_read_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">selection</span><span class="p">,</span> <span class="n">reorder</span><span class="p">,</span> <span class="n">shape</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read a `selection`.</span>
+        <span class="sd">&quot;&quot;&quot;Read a `selection`.</span>
 
 <span class="sd">        Reorder if necessary.</span>
 
@@ -882,21 +860,21 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">nparr</span>
 
     <span class="k">def</span> <span class="nf">_write_slice</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">startl</span><span class="p">,</span> <span class="n">stopl</span><span class="p">,</span> <span class="n">stepl</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">nparr</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Write `nparr` in a slice based on `startl`, `stopl` and `stepl`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Write `nparr` in a slice based on `startl`, `stopl` and `stepl`.&quot;&quot;&quot;</span>
 
         <span class="n">nparr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_check_shape</span><span class="p">(</span><span class="n">nparr</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">shape</span><span class="p">))</span>
         <span class="n">countl</span> <span class="o">=</span> <span class="p">((</span><span class="n">stopl</span> <span class="o">-</span> <span class="n">startl</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> <span class="o">//</span> <span class="n">stepl</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_write_slice</span><span class="p">(</span><span class="n">startl</span><span class="p">,</span> <span class="n">stepl</span><span class="p">,</span> <span class="n">countl</span><span class="p">,</span> <span class="n">nparr</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_write_coords</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">nparr</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Write `nparr` values in points defined by `coords` coordinates.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Write `nparr` values in points defined by `coords` coordinates.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">coords</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
             <span class="n">nparr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_check_shape</span><span class="p">(</span><span class="n">nparr</span><span class="p">,</span> <span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">coords</span><span class="p">),))</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_g_write_coords</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="n">nparr</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_write_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">selection</span><span class="p">,</span> <span class="n">reorder</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">nparr</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Write `nparr` in `selection`.</span>
+        <span class="sd">&quot;&quot;&quot;Write `nparr` in `selection`.</span>
 
 <span class="sd">        Reorder if necessary.</span>
 
@@ -914,7 +892,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_write_selection</span><span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">nparr</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">out</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read the array from disk without slice or flavor processing.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Read the array from disk without slice or flavor processing.&quot;&quot;&quot;</span>
 
         <span class="n">nrowstoread</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="nb">range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">))</span>
         <span class="n">shape</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
@@ -942,10 +920,8 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
             <span class="n">arr</span><span class="o">.</span><span class="n">byteswap</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">arr</span>
 
-<div class="viewcode-block" id="Array.read">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.read">[docs]</a>
-    <span class="k">def</span> <span class="nf">read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">out</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get data in the array as an object of the current flavor.</span>
+<div class="viewcode-block" id="Array.read"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.Array.read">[docs]</a>    <span class="k">def</span> <span class="nf">read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">out</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get data in the array as an object of the current flavor.</span>
 
 <span class="sd">        The start, stop and step parameters can be used to select only a</span>
 <span class="sd">        *range of rows* in the array.  Their meanings are the same as in</span>
@@ -982,10 +958,9 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="n">arr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_read</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">out</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">internal_to_flavor</span><span class="p">(</span><span class="n">arr</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_copy_with_stats</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">group</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span>
                            <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span> <span class="n">chunkshape</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
 
         <span class="c1"># Compute the correct indices.</span>
         <span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_process_range_read</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span>
@@ -1006,19 +981,18 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="n">object_</span><span class="p">,</span> <span class="n">nbytes</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This provides more metainfo in addition to standard __str__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This provides more metainfo in addition to standard __str__&quot;&quot;&quot;</span>
 
-        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">}</span>
-<span class="s2">  atom := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="si">!r}</span>
-<span class="s2">  maindim := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">maindim</span><span class="si">!r}</span>
-<span class="s2">  flavor := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="si">!r}</span>
-<span class="s2">  byteorder := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="si">!r}</span>
+        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  atom := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="si">!r}</span><span class="s2"></span>
+<span class="s2">  maindim := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">maindim</span><span class="si">!r}</span><span class="s2"></span>
+<span class="s2">  flavor := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="si">!r}</span><span class="s2"></span>
+<span class="s2">  byteorder := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="si">!r}</span><span class="s2"></span>
 <span class="s2">  chunkshape := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">chunkshape</span><span class="si">!r}</span><span class="s2">&quot;&quot;&quot;</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">ImageArray</span><span class="p">(</span><span class="n">Array</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Array containing an image.</span>
+    <span class="sd">&quot;&quot;&quot;Array containing an image.</span>
 
 <span class="sd">    This class has no additional behaviour or functionality compared to</span>
 <span class="sd">    that of an ordinary array.  It simply enables the user to open an</span>
diff --git a/_modules/tables/atom.html b/_modules/tables/atom.html
index 975a2d0..cc59f4f 100644
--- a/_modules/tables/atom.html
+++ b/_modules/tables/atom.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.atom &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.atom &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.atom</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.atom</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -128,10 +126,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 <span class="n">_type_re</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="sa">r</span><span class="s1">&#39;^([a-z]+)([0-9]*)$&#39;</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="split_type">
-<a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.split_type">[docs]</a>
-<span class="k">def</span> <span class="nf">split_type</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Split a PyTables type into a PyTables kind and an item size.</span>
+<div class="viewcode-block" id="split_type"><a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.split_type">[docs]</a><span class="k">def</span> <span class="nf">split_type</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Split a PyTables type into a PyTables kind and an item size.</span>
 
 <span class="sd">    Returns a tuple of (kind, itemsize). If no item size is present in the type</span>
 <span class="sd">    (in the form of a precision), the returned item size is None::</span>
@@ -165,7 +161,6 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="p">(</span><span class="n">kind</span><span class="p">,</span> <span class="n">itemsize</span><span class="p">)</span></div>
 
 
-
 <span class="k">def</span> <span class="nf">_invalid_itemsize_error</span><span class="p">(</span><span class="n">kind</span><span class="p">,</span> <span class="n">itemsize</span><span class="p">,</span> <span class="n">itemsizes</span><span class="p">):</span>
     <span class="n">isizes</span> <span class="o">=</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">itemsizes</span><span class="p">)</span>
     <span class="k">return</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;invalid item size for kind ``</span><span class="si">%s</span><span class="s2">``: </span><span class="si">%r</span><span class="s2">; &quot;</span>
@@ -174,7 +169,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_abstract_atom_init</span><span class="p">(</span><span class="n">deftype</span><span class="p">,</span> <span class="n">defvalue</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Return a constructor for an abstract `Atom` class.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Return a constructor for an abstract `Atom` class.&quot;&quot;&quot;</span>
 
     <span class="n">defitemsize</span> <span class="o">=</span> <span class="n">split_type</span><span class="p">(</span><span class="n">deftype</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span>
 
@@ -191,7 +186,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_normalize_shape</span><span class="p">(</span><span class="n">shape</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Check that the `shape` is safe to be used and return it as a tuple.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Check that the `shape` is safe to be used and return it as a tuple.&quot;&quot;&quot;</span>
 
     <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">shape</span><span class="p">,</span> <span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">integer</span><span class="p">,</span> <span class="nb">int</span><span class="p">)):</span>
         <span class="k">if</span> <span class="n">shape</span> <span class="o">&lt;</span> <span class="mi">1</span><span class="p">:</span>
@@ -214,7 +209,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_normalize_default</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">dtype</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Return `value` as a valid default of NumPy type `dtype`.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Return `value` as a valid default of NumPy type `dtype`.&quot;&quot;&quot;</span>
 
     <span class="c1"># Create NumPy objects as defaults</span>
     <span class="c1"># This is better in order to serialize them as attributes</span>
@@ -237,7 +232,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_cmp_dispatcher</span><span class="p">(</span><span class="n">other_method_name</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Dispatch comparisons to a method of the *other* object.</span>
+    <span class="sd">&quot;&quot;&quot;Dispatch comparisons to a method of the *other* object.</span>
 
 <span class="sd">    Returns a new *rich comparison* method which dispatches calls to</span>
 <span class="sd">    the method `other_method_name` of the *other* object.  If there is</span>
@@ -256,7 +251,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">MetaAtom</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Atom metaclass.</span>
+    <span class="sd">&quot;&quot;&quot;Atom metaclass.</span>
 
 <span class="sd">    This metaclass ensures that data about atom classes gets inserted</span>
 <span class="sd">    into the suitable registries.</span>
@@ -291,10 +286,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
             <span class="n">atom_map</span><span class="p">[</span><span class="n">kind</span><span class="p">][</span><span class="nb">int</span><span class="p">(</span><span class="n">itemsize</span><span class="p">)]</span> <span class="o">=</span> <span class="bp">cls</span>
 
 
-<div class="viewcode-block" id="Atom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom">[docs]</a>
-<span class="k">class</span> <span class="nc">Atom</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">MetaAtom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines the type of atomic cells stored in a dataset.</span>
+<div class="viewcode-block" id="Atom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom">[docs]</a><span class="k">class</span> <span class="nc">Atom</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">MetaAtom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines the type of atomic cells stored in a dataset.</span>
 
 <span class="sd">    The meaning of *atomic* is that individual elements of a cell can</span>
 <span class="sd">    not be extracted directly by indexing (i.e.  __getitem__()) the</span>
@@ -390,15 +383,13 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">prefix</span><span class="p">(</span><span class="bp">cls</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the atom class prefix.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return the atom class prefix.&quot;&quot;&quot;</span>
         <span class="n">cname</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="vm">__name__</span>
         <span class="k">return</span> <span class="n">cname</span><span class="p">[:</span><span class="n">cname</span><span class="o">.</span><span class="n">rfind</span><span class="p">(</span><span class="s1">&#39;Atom&#39;</span><span class="p">)]</span>
 
-<div class="viewcode-block" id="Atom.from_sctype">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_sctype">[docs]</a>
-    <span class="nd">@classmethod</span>
+<div class="viewcode-block" id="Atom.from_sctype"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_sctype">[docs]</a>    <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_sctype</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">sctype</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create an Atom from a NumPy scalar type sctype.</span>
+        <span class="sd">&quot;&quot;&quot;Create an Atom from a NumPy scalar type sctype.</span>
 
 <span class="sd">        Optional shape and default value may be specified as the</span>
 <span class="sd">        shape and dflt</span>
@@ -423,12 +414,9 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
             <span class="n">sctype</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sctypeDict</span><span class="p">[</span><span class="n">sctype</span><span class="p">]</span>
         <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">from_dtype</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">dtype</span><span class="p">((</span><span class="n">sctype</span><span class="p">,</span> <span class="n">shape</span><span class="p">)),</span> <span class="n">dflt</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Atom.from_dtype">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_dtype">[docs]</a>
-    <span class="nd">@classmethod</span>
+<div class="viewcode-block" id="Atom.from_dtype"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_dtype">[docs]</a>    <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_dtype</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dtype</span><span class="p">,</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create an Atom from a NumPy dtype.</span>
+        <span class="sd">&quot;&quot;&quot;Create an Atom from a NumPy dtype.</span>
 
 <span class="sd">        An optional default value may be specified as the dflt</span>
 <span class="sd">        argument. Information in the dtype not represented in an Atom is</span>
@@ -473,12 +461,9 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="c1"># Most NumPy types have direct correspondence with PyTables types.</span>
         <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">from_type</span><span class="p">(</span><span class="n">basedtype</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">dtype</span><span class="o">.</span><span class="n">shape</span><span class="p">,</span> <span class="n">dflt</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Atom.from_type">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_type">[docs]</a>
-    <span class="nd">@classmethod</span>
+<div class="viewcode-block" id="Atom.from_type"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_type">[docs]</a>    <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_type</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="nb">type</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create an Atom from a PyTables type.</span>
+        <span class="sd">&quot;&quot;&quot;Create an Atom from a PyTables type.</span>
 
 <span class="sd">        Optional shape and default value may be specified as the</span>
 <span class="sd">        shape and dflt arguments, respectively::</span>
@@ -503,12 +488,9 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="n">kind</span><span class="p">,</span> <span class="n">itemsize</span> <span class="o">=</span> <span class="n">split_type</span><span class="p">(</span><span class="nb">type</span><span class="p">)</span>
         <span class="k">return</span> <span class="bp">cls</span><span class="o">.</span><span class="n">from_kind</span><span class="p">(</span><span class="n">kind</span><span class="p">,</span> <span class="n">itemsize</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">dflt</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Atom.from_kind">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_kind">[docs]</a>
-    <span class="nd">@classmethod</span>
+<div class="viewcode-block" id="Atom.from_kind"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.from_kind">[docs]</a>    <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_kind</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">kind</span><span class="p">,</span> <span class="n">itemsize</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create an Atom from a PyTables kind.</span>
+        <span class="sd">&quot;&quot;&quot;Create an Atom from a PyTables kind.</span>
 
 <span class="sd">        Optional item size, shape and default value may be</span>
 <span class="sd">        specified as the itemsize, shape and dflt</span>
@@ -574,20 +556,19 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">atomclass</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">size</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Total size in bytes of the atom.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Total size in bytes of the atom.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">itemsize</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">recarrtype</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;String type to be used in numpy.rec.array().&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;String type to be used in numpy.rec.array().&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">base</span><span class="o">.</span><span class="n">str</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">ndim</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of dimensions of the atom.</span>
+        <span class="sd">&quot;&quot;&quot;The number of dimensions of the atom.</span>
 
 <span class="sd">        .. versionadded:: 2.4&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
@@ -598,14 +579,14 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
                                       <span class="s2">&quot;please use one of its subclasses&quot;</span>
                                       <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">=</span> <span class="n">shape</span> <span class="o">=</span> <span class="n">_normalize_shape</span><span class="p">(</span><span class="n">shape</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of the atom (a tuple for scalar atoms).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of the atom (a tuple for scalar atoms).&quot;&quot;&quot;</span>
         <span class="c1"># Curiously enough, NumPy isn&#39;t generally able to accept NumPy</span>
         <span class="c1"># integers in a shape. ;(</span>
         <span class="n">npshape</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">shape</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span> <span class="o">=</span> <span class="n">dtype</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">dtype</span><span class="p">((</span><span class="n">nptype</span><span class="p">,</span> <span class="n">npshape</span><span class="p">))</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The NumPy dtype that most closely matches this atom.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The NumPy dtype that most closely matches this atom.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">dflt</span> <span class="o">=</span> <span class="n">_normalize_default</span><span class="p">(</span><span class="n">dflt</span><span class="p">,</span> <span class="n">dtype</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The default value of the atom.</span>
+        <span class="sd">&quot;&quot;&quot;The default value of the atom.</span>
 
 <span class="sd">        If the user does not supply a value for an element while</span>
 <span class="sd">        filling a dataset, this default value will be written to</span>
@@ -633,10 +614,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="c1">#    return hash((self.__class__, self.type, self.shape, self.itemsize,</span>
     <span class="c1">#                 self.dflt))</span>
 
-<div class="viewcode-block" id="Atom.copy">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">override</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a copy of the atom, possibly overriding some arguments.</span>
+<div class="viewcode-block" id="Atom.copy"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Atom.copy">[docs]</a>    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">override</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a copy of the atom, possibly overriding some arguments.</span>
 
 <span class="sd">        Constructor arguments to be overridden must be passed as</span>
 <span class="sd">        keyword arguments::</span>
@@ -662,9 +641,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="n">newargs</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">override</span><span class="p">)</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="p">(</span><span class="o">**</span><span class="n">newargs</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_get_init_args</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a dictionary of instance constructor arguments.</span>
+        <span class="sd">&quot;&quot;&quot;Get a dictionary of instance constructor arguments.</span>
 
 <span class="sd">        This implementation works on classes which use the same names</span>
 <span class="sd">        for both constructor arguments and instance attributes.</span>
@@ -678,18 +656,15 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">{</span><span class="n">arg</span><span class="p">:</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">arg</span><span class="p">)</span> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">args</span> <span class="k">if</span> <span class="n">arg</span> <span class="o">!=</span> <span class="s1">&#39;self&#39;</span><span class="p">}</span>
 
     <span class="k">def</span> <span class="nf">_is_equal_to_atom</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">atom</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this object equal to the given `atom`?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this object equal to the given `atom`?&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">atom</span><span class="o">.</span><span class="n">type</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="n">atom</span><span class="o">.</span><span class="n">shape</span>
                 <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">itemsize</span> <span class="o">==</span> <span class="n">atom</span><span class="o">.</span><span class="n">itemsize</span>
                 <span class="ow">and</span> <span class="n">np</span><span class="o">.</span><span class="n">all</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dflt</span> <span class="o">==</span> <span class="n">atom</span><span class="o">.</span><span class="n">dflt</span><span class="p">))</span></div>
 
 
-
-<div class="viewcode-block" id="StringAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.StringAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">StringAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type string.</span>
+<div class="viewcode-block" id="StringAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.StringAtom">[docs]</a><span class="k">class</span> <span class="nc">StringAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type string.</span>
 
 <span class="sd">    The item size is the *maximum* length in characters of strings.</span>
 
@@ -701,7 +676,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">itemsize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size in bytes of a sigle item in the atom.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size in bytes of a sigle item in the atom.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">base</span><span class="o">.</span><span class="n">itemsize</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">itemsize</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="n">_defvalue</span><span class="p">):</span>
@@ -712,11 +687,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="n">Atom</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">&#39;S</span><span class="si">%d</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">itemsize</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">dflt</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="BoolAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.BoolAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">BoolAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type bool.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="BoolAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.BoolAtom">[docs]</a><span class="k">class</span> <span class="nc">BoolAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type bool.&quot;&quot;&quot;</span>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;bool&#39;</span>
     <span class="n">itemsize</span> <span class="o">=</span> <span class="mi">1</span>
@@ -728,11 +700,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="n">Atom</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">type</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">dflt</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="IntAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.IntAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">IntAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of a signed integral type (int kind).&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="IntAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.IntAtom">[docs]</a><span class="k">class</span> <span class="nc">IntAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of a signed integral type (int kind).&quot;&quot;&quot;</span>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;int&#39;</span>
     <span class="n">signed</span> <span class="o">=</span> <span class="kc">True</span>
@@ -741,11 +710,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="fm">__init__</span> <span class="o">=</span> <span class="n">_abstract_atom_init</span><span class="p">(</span><span class="n">_deftype</span><span class="p">,</span> <span class="n">_defvalue</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="UIntAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.UIntAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">UIntAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of an unsigned integral type (uint kind).&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="UIntAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.UIntAtom">[docs]</a><span class="k">class</span> <span class="nc">UIntAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of an unsigned integral type (uint kind).&quot;&quot;&quot;</span>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;uint&#39;</span>
     <span class="n">signed</span> <span class="o">=</span> <span class="kc">False</span>
@@ -754,11 +720,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="fm">__init__</span> <span class="o">=</span> <span class="n">_abstract_atom_init</span><span class="p">(</span><span class="n">_deftype</span><span class="p">,</span> <span class="n">_defvalue</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="FloatAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.FloatAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">FloatAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of a floating point type (float kind).&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="FloatAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.FloatAtom">[docs]</a><span class="k">class</span> <span class="nc">FloatAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of a floating point type (float kind).&quot;&quot;&quot;</span>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;float&#39;</span>
     <span class="n">_deftype</span> <span class="o">=</span> <span class="s1">&#39;float64&#39;</span>
@@ -766,9 +729,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="fm">__init__</span> <span class="o">=</span> <span class="n">_abstract_atom_init</span><span class="p">(</span><span class="n">_deftype</span><span class="p">,</span> <span class="n">_defvalue</span><span class="p">)</span></div>
 
 
-
 <span class="k">def</span> <span class="nf">_create_numeric_class</span><span class="p">(</span><span class="n">baseclass</span><span class="p">,</span> <span class="n">itemsize</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Create a numeric atom class with the given `baseclass` and an</span>
+    <span class="sd">&quot;&quot;&quot;Create a numeric atom class with the given `baseclass` and an</span>
 <span class="sd">    `itemsize`.&quot;&quot;&quot;</span>
 
     <span class="n">prefix</span> <span class="o">=</span> <span class="s1">&#39;</span><span class="si">%s%d</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="p">(</span><span class="n">baseclass</span><span class="o">.</span><span class="n">prefix</span><span class="p">(),</span> <span class="n">itemsize</span> <span class="o">*</span> <span class="mi">8</span><span class="p">)</span>
@@ -801,10 +763,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="n">Float128Atom</span> <span class="o">=</span> <span class="n">_create_numeric_class</span><span class="p">(</span><span class="n">FloatAtom</span><span class="p">,</span> <span class="mi">16</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="ComplexAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.ComplexAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">ComplexAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of kind complex.</span>
+<div class="viewcode-block" id="ComplexAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.ComplexAtom">[docs]</a><span class="k">class</span> <span class="nc">ComplexAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of kind complex.</span>
 
 <span class="sd">    Allowed item sizes are 8 (single precision) and 16 (double precision). This</span>
 <span class="sd">    class must be used instead of more concrete ones to avoid confusions with</span>
@@ -825,7 +785,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">itemsize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size in bytes of a sigle item in the atom.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size in bytes of a sigle item in the atom.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">base</span><span class="o">.</span><span class="n">itemsize</span>
 
     <span class="c1"># Only instances have a `type` attribute, so complex types must be</span>
@@ -846,9 +806,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="n">Atom</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">type</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">dflt</span><span class="p">)</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">_ComplexErrorAtom</span><span class="p">(</span><span class="n">ComplexAtom</span><span class="p">,</span> <span class="n">metaclass</span><span class="o">=</span><span class="nb">type</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Reminds the user to stop using the old complex atom names.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Reminds the user to stop using the old complex atom names.&quot;&quot;&quot;</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="n">ComplexAtom</span><span class="o">.</span><span class="n">_defvalue</span><span class="p">):</span>
         <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span>
@@ -866,7 +825,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">TimeAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of time type (time kind).</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of time type (time kind).</span>
 
 <span class="sd">    There are two distinct supported types of time: a 32 bit integer value and</span>
 <span class="sd">    a 64 bit floating point value. Both of them reflect the number of seconds</span>
@@ -881,10 +840,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="fm">__init__</span> <span class="o">=</span> <span class="n">_abstract_atom_init</span><span class="p">(</span><span class="n">_deftype</span><span class="p">,</span> <span class="n">_defvalue</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="Time32Atom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Time32Atom">[docs]</a>
-<span class="k">class</span> <span class="nc">Time32Atom</span><span class="p">(</span><span class="n">TimeAtom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type time32.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="Time32Atom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Time32Atom">[docs]</a><span class="k">class</span> <span class="nc">Time32Atom</span><span class="p">(</span><span class="n">TimeAtom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type time32.&quot;&quot;&quot;</span>
 
     <span class="n">itemsize</span> <span class="o">=</span> <span class="mi">4</span>
     <span class="nb">type</span> <span class="o">=</span> <span class="s1">&#39;time32&#39;</span>
@@ -894,11 +851,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="n">Atom</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">&#39;int32&#39;</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">dflt</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="Time64Atom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Time64Atom">[docs]</a>
-<span class="k">class</span> <span class="nc">Time64Atom</span><span class="p">(</span><span class="n">TimeAtom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type time64.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="Time64Atom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Time64Atom">[docs]</a><span class="k">class</span> <span class="nc">Time64Atom</span><span class="p">(</span><span class="n">TimeAtom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type time64.&quot;&quot;&quot;</span>
 
     <span class="n">itemsize</span> <span class="o">=</span> <span class="mi">8</span>
     <span class="nb">type</span> <span class="o">=</span> <span class="s1">&#39;time64&#39;</span>
@@ -908,11 +862,8 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="n">Atom</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">&#39;float64&#39;</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">dflt</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="EnumAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.EnumAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">EnumAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Description of an atom of an enumerated type.</span>
+<div class="viewcode-block" id="EnumAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.EnumAtom">[docs]</a><span class="k">class</span> <span class="nc">EnumAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Description of an atom of an enumerated type.</span>
 
 <span class="sd">    Instances of this class describe the atom type used to store enumerated</span>
 <span class="sd">    values. Those values belong to an enumerated type, defined by the first</span>
@@ -1008,11 +959,11 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">itemsize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size in bytes of a single item in the atom.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size in bytes of a single item in the atom.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">base</span><span class="o">.</span><span class="n">itemsize</span>
 
     <span class="k">def</span> <span class="nf">_checkbase</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">base</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Check the `base` storage atom.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Check the `base` storage atom.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">base</span><span class="o">.</span><span class="n">kind</span> <span class="o">==</span> <span class="s1">&#39;enum&#39;</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">&quot;can not use an enumerated atom &quot;</span>
@@ -1047,18 +998,18 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
                                       <span class="s2">&quot;are supported for the moment, sorry&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_get_init_args</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a dictionary of instance constructor arguments.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get a dictionary of instance constructor arguments.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="nb">dict</span><span class="p">(</span><span class="n">enum</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">enum</span><span class="p">,</span> <span class="n">dflt</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_defname</span><span class="p">,</span>
                     <span class="n">base</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">base</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_is_equal_to_atom</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">atom</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this object equal to the given `atom`?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this object equal to the given `atom`?&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="kc">False</span>
 
     <span class="k">def</span> <span class="nf">_is_equal_to_enumatom</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">enumatom</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this object equal to the given `enumatom`?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this object equal to the given `enumatom`?&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">enum</span> <span class="o">==</span> <span class="n">enumatom</span><span class="o">.</span><span class="n">enum</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="n">enumatom</span><span class="o">.</span><span class="n">shape</span>
                 <span class="ow">and</span> <span class="n">np</span><span class="o">.</span><span class="n">all</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dflt</span> <span class="o">==</span> <span class="n">enumatom</span><span class="o">.</span><span class="n">dflt</span><span class="p">)</span>
@@ -1096,7 +1047,6 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
     <span class="fm">__eq__</span> <span class="o">=</span> <span class="n">_cmp_dispatcher</span><span class="p">(</span><span class="s1">&#39;_is_equal_to_enumatom&#39;</span><span class="p">)</span></div>
 
-
     <span class="c1"># XXX: API incompatible change for PyTables 3 line</span>
     <span class="c1"># Overriding __eq__ blocks inheritance of __hash__ in 3.x</span>
     <span class="c1"># def __hash__(self):</span>
@@ -1105,7 +1055,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">ReferenceAtom</span><span class="p">(</span><span class="n">Atom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type object to read references.</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type object to read references.</span>
 <span class="sd">    This atom is read-only.</span>
 <span class="sd">    &quot;&quot;&quot;</span>
 
@@ -1116,7 +1066,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">itemsize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size in bytes of a single item in the atom.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size in bytes of a single item in the atom.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">base</span><span class="o">.</span><span class="n">itemsize</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">()):</span>
@@ -1145,7 +1095,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">PseudoAtom</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Pseudo-atoms can only be used in ``VLArray`` nodes.</span>
+    <span class="sd">&quot;&quot;&quot;Pseudo-atoms can only be used in ``VLArray`` nodes.</span>
 
 <span class="sd">    They can be recognised because they also have `kind`, `type` and</span>
 <span class="sd">    `shape` attributes, but no `size`, `itemsize` or `dflt` ones.</span>
@@ -1157,18 +1107,18 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="s1">&#39;</span><span class="si">%s</span><span class="s1">()&#39;</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span>
 
     <span class="k">def</span> <span class="nf">toarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">object_</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Convert an `object_` into an array of base atoms.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Convert an `object_` into an array of base atoms.&quot;&quot;&quot;</span>
 
         <span class="k">raise</span> <span class="ne">NotImplementedError</span>
 
     <span class="k">def</span> <span class="nf">fromarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">array</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Convert an `array` of base atoms into an object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Convert an `array` of base atoms into an object.&quot;&quot;&quot;</span>
 
         <span class="k">raise</span> <span class="ne">NotImplementedError</span>
 
 
 <span class="k">class</span> <span class="nc">_BufferedAtom</span><span class="p">(</span><span class="n">PseudoAtom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Pseudo-atom which stores data as a buffer (flat array of uints).&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Pseudo-atom which stores data as a buffer (flat array of uints).&quot;&quot;&quot;</span>
 
     <span class="n">shape</span> <span class="o">=</span> <span class="p">()</span>
 
@@ -1179,15 +1129,13 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">array</span>
 
     <span class="k">def</span> <span class="nf">_tobuffer</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">object_</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Convert an `object_` into a buffer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Convert an `object_` into a buffer.&quot;&quot;&quot;</span>
 
         <span class="k">raise</span> <span class="ne">NotImplementedError</span>
 
 
-<div class="viewcode-block" id="VLStringAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLStringAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">VLStringAtom</span><span class="p">(</span><span class="n">_BufferedAtom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type ``vlstring``.</span>
+<div class="viewcode-block" id="VLStringAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLStringAtom">[docs]</a><span class="k">class</span> <span class="nc">VLStringAtom</span><span class="p">(</span><span class="n">_BufferedAtom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type ``vlstring``.</span>
 
 <span class="sd">    This class describes a *row* of the VLArray class, rather than an atom. It</span>
 <span class="sd">    differs from the StringAtom class in that you can only add *one instance of</span>
@@ -1224,18 +1172,12 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;object is not a string: </span><span class="si">{</span><span class="n">object_</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">string_</span><span class="p">(</span><span class="n">object_</span><span class="p">)</span>
 
-<div class="viewcode-block" id="VLStringAtom.fromarray">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLStringAtom.fromarray">[docs]</a>
-    <span class="k">def</span> <span class="nf">fromarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">array</span><span class="p">):</span>
-        <span class="k">return</span> <span class="n">array</span><span class="o">.</span><span class="n">tobytes</span><span class="p">()</span></div>
-</div>
-
+<div class="viewcode-block" id="VLStringAtom.fromarray"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLStringAtom.fromarray">[docs]</a>    <span class="k">def</span> <span class="nf">fromarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">array</span><span class="p">):</span>
+        <span class="k">return</span> <span class="n">array</span><span class="o">.</span><span class="n">tobytes</span><span class="p">()</span></div></div>
 
 
-<div class="viewcode-block" id="VLUnicodeAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLUnicodeAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">VLUnicodeAtom</span><span class="p">(</span><span class="n">_BufferedAtom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type vlunicode.</span>
+<div class="viewcode-block" id="VLUnicodeAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLUnicodeAtom">[docs]</a><span class="k">class</span> <span class="nc">VLUnicodeAtom</span><span class="p">(</span><span class="n">_BufferedAtom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type vlunicode.</span>
 
 <span class="sd">    This class describes a *row* of the VLArray class, rather than an atom.  It</span>
 <span class="sd">    is very similar to VLStringAtom (see :ref:`VLStringAtom`), but it stores</span>
@@ -1264,9 +1206,7 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="c1"># NumPy scalars inherit the UCS-2 encoding from Python (see</span>
     <span class="c1"># NumPy ticket #525).  Since ``_tobuffer()`` can&#39;t return an</span>
     <span class="c1"># array, we must override ``toarray()`` itself.</span>
-<div class="viewcode-block" id="VLUnicodeAtom.toarray">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLUnicodeAtom.toarray">[docs]</a>
-    <span class="k">def</span> <span class="nf">toarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">object_</span><span class="p">):</span>
+<div class="viewcode-block" id="VLUnicodeAtom.toarray"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLUnicodeAtom.toarray">[docs]</a>    <span class="k">def</span> <span class="nf">toarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">object_</span><span class="p">):</span>
         <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">object_</span><span class="p">,</span> <span class="nb">bytes</span><span class="p">):</span>
             <span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s2">&quot;Storing bytestrings in VLUnicodeAtom is &quot;</span>
                           <span class="s2">&quot;deprecated.&quot;</span><span class="p">,</span> <span class="ne">DeprecationWarning</span><span class="p">)</span>
@@ -1277,7 +1217,6 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">ndarray</span><span class="p">(</span>
             <span class="n">buffer</span><span class="o">=</span><span class="n">uarr</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">base</span><span class="o">.</span><span class="n">dtype</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="nb">len</span><span class="p">(</span><span class="n">ustr</span><span class="p">))</span></div>
 
-
     <span class="k">def</span> <span class="nf">_tobuffer</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">object_</span><span class="p">):</span>
         <span class="c1"># This works (and is used) only with UCS-4 builds of Python,</span>
         <span class="c1"># where the width of the internal representation of a</span>
@@ -1289,21 +1228,15 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;object is not a string: </span><span class="si">{</span><span class="n">object_</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">unicode_</span><span class="p">(</span><span class="n">object_</span><span class="p">)</span>
 
-<div class="viewcode-block" id="VLUnicodeAtom.fromarray">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLUnicodeAtom.fromarray">[docs]</a>
-    <span class="k">def</span> <span class="nf">fromarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">array</span><span class="p">):</span>
+<div class="viewcode-block" id="VLUnicodeAtom.fromarray"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.VLUnicodeAtom.fromarray">[docs]</a>    <span class="k">def</span> <span class="nf">fromarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">array</span><span class="p">):</span>
         <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">array</span><span class="p">)</span>
         <span class="k">if</span> <span class="n">length</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
             <span class="k">return</span> <span class="s1">&#39;&#39;</span>  <span class="c1"># ``array.view(&#39;U0&#39;)`` raises a `TypeError`</span>
-        <span class="k">return</span> <span class="n">array</span><span class="o">.</span><span class="n">view</span><span class="p">(</span><span class="s1">&#39;U</span><span class="si">%d</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">length</span><span class="p">)</span><span class="o">.</span><span class="n">item</span><span class="p">()</span></div>
-</div>
+        <span class="k">return</span> <span class="n">array</span><span class="o">.</span><span class="n">view</span><span class="p">(</span><span class="s1">&#39;U</span><span class="si">%d</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">length</span><span class="p">)</span><span class="o">.</span><span class="n">item</span><span class="p">()</span></div></div>
 
 
-
-<div class="viewcode-block" id="ObjectAtom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.ObjectAtom">[docs]</a>
-<span class="k">class</span> <span class="nc">ObjectAtom</span><span class="p">(</span><span class="n">_BufferedAtom</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines an atom of type object.</span>
+<div class="viewcode-block" id="ObjectAtom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.ObjectAtom">[docs]</a><span class="k">class</span> <span class="nc">ObjectAtom</span><span class="p">(</span><span class="n">_BufferedAtom</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines an atom of type object.</span>
 
 <span class="sd">    This class is meant to fit *any* kind of Python object in a row of a</span>
 <span class="sd">    VLArray dataset by using pickle behind the scenes. Due to the fact that</span>
@@ -1325,17 +1258,13 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
     <span class="k">def</span> <span class="nf">_tobuffer</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">object_</span><span class="p">):</span>
         <span class="k">return</span> <span class="n">pickle</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="n">object_</span><span class="p">,</span> <span class="n">pickle</span><span class="o">.</span><span class="n">HIGHEST_PROTOCOL</span><span class="p">)</span>
 
-<div class="viewcode-block" id="ObjectAtom.fromarray">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.ObjectAtom.fromarray">[docs]</a>
-    <span class="k">def</span> <span class="nf">fromarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">array</span><span class="p">):</span>
+<div class="viewcode-block" id="ObjectAtom.fromarray"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.ObjectAtom.fromarray">[docs]</a>    <span class="k">def</span> <span class="nf">fromarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">array</span><span class="p">):</span>
         <span class="c1"># We have to check for an empty array because of a possible</span>
         <span class="c1"># bug in HDF5 which makes it claim that a dataset has one</span>
         <span class="c1"># record when in fact it is empty.</span>
         <span class="k">if</span> <span class="n">array</span><span class="o">.</span><span class="n">size</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
             <span class="k">return</span> <span class="kc">None</span>
-        <span class="k">return</span> <span class="n">pickle</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">array</span><span class="o">.</span><span class="n">tobytes</span><span class="p">())</span></div>
-</div>
-
+        <span class="k">return</span> <span class="n">pickle</span><span class="o">.</span><span class="n">loads</span><span class="p">(</span><span class="n">array</span><span class="o">.</span><span class="n">tobytes</span><span class="p">())</span></div></div>
 </pre></div>
 
            </div>
diff --git a/_modules/tables/attributeset.html b/_modules/tables/attributeset.html
index d687c8a..9a0e59e 100644
--- a/_modules/tables/attributeset.html
+++ b/_modules/tables/attributeset.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.attributeset &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.attributeset &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.attributeset</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.attributeset</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -139,16 +137,14 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">issysattrname</span><span class="p">(</span><span class="n">name</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Check if a name is a system attribute or not&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Check if a name is a system attribute or not&quot;&quot;&quot;</span>
 
     <span class="k">return</span> <span class="nb">bool</span><span class="p">(</span><span class="n">name</span> <span class="ow">in</span> <span class="n">SYS_ATTRS</span> <span class="ow">or</span> <span class="n">np</span><span class="o">.</span><span class="n">prod</span><span class="p">(</span>
         <span class="p">[</span><span class="n">name</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">prefix</span><span class="p">)</span> <span class="k">for</span> <span class="n">prefix</span> <span class="ow">in</span> <span class="n">SYS_ATTRS_PREFIXES</span><span class="p">]))</span>
 
 
-<div class="viewcode-block" id="AttributeSet">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet">[docs]</a>
-<span class="k">class</span> <span class="nc">AttributeSet</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">AttributeSet</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Container for the HDF5 attributes of a Node.</span>
+<div class="viewcode-block" id="AttributeSet"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet">[docs]</a><span class="k">class</span> <span class="nc">AttributeSet</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">AttributeSet</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Container for the HDF5 attributes of a Node.</span>
 
 <span class="sd">    This class provides methods to create new HDF5 node attributes,</span>
 <span class="sd">    and to get, rename or delete existing ones.</span>
@@ -278,11 +274,11 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">_v_node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The :class:`Node` instance this attribute set is associated with.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The :class:`Node` instance this attribute set is associated with.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_g_getnode</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create the basic structures to keep the attribute information.</span>
+        <span class="sd">&quot;&quot;&quot;Create the basic structures to keep the attribute information.</span>
 
 <span class="sd">        Reads all the HDF5 attributes (if any) on disk for the node &quot;node&quot;.</span>
 
@@ -336,7 +332,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrnamesuser</span><span class="o">.</span><span class="n">sort</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_update_node_location</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Updates the location information about the associated `node`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Updates the location information about the associated `node`.&quot;&quot;&quot;</span>
 
         <span class="n">dict_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span>
         <span class="n">dict_</span><span class="p">[</span><span class="s1">&#39;_v__nodefile&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">_v_file</span>
@@ -344,10 +340,8 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="c1"># hdf5extension operations:</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_new</span><span class="p">(</span><span class="n">node</span><span class="p">)</span>
 
-<div class="viewcode-block" id="AttributeSet._f_list">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet._f_list">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_list</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">attrset</span><span class="o">=</span><span class="s1">&#39;user&#39;</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a list of attribute names.</span>
+<div class="viewcode-block" id="AttributeSet._f_list"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet._f_list">[docs]</a>    <span class="k">def</span> <span class="nf">_f_list</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">attrset</span><span class="o">=</span><span class="s1">&#39;user&#39;</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a list of attribute names.</span>
 
 <span class="sd">        The attrset string selects the attribute set to be used.  A</span>
 <span class="sd">        &#39;user&#39; value returns only user attributes (this is the default).</span>
@@ -363,9 +357,8 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="k">elif</span> <span class="n">attrset</span> <span class="o">==</span> <span class="s2">&quot;all&quot;</span><span class="p">:</span>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrnames</span><span class="p">[:]</span></div>
 
-
     <span class="k">def</span> <span class="fm">__dir__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Autocomplete only children named as valid python identifiers.</span>
+        <span class="sd">&quot;&quot;&quot;Autocomplete only children named as valid python identifiers.</span>
 
 <span class="sd">        Only PY3 supports this special method.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
@@ -374,7 +367,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
                     <span class="k">if</span> <span class="n">c</span><span class="o">.</span><span class="n">isidentifier</span><span class="p">()})</span>
 
     <span class="k">def</span> <span class="fm">__getattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the attribute named &quot;name&quot;.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get the attribute named &quot;name&quot;.&quot;&quot;&quot;</span>
 
         <span class="c1"># If attribute does not exist, raise AttributeError</span>
         <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrnames</span><span class="p">:</span>
@@ -476,7 +469,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">retval</span>
 
     <span class="k">def</span> <span class="nf">_g__setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a PyTables attribute.</span>
+        <span class="sd">&quot;&quot;&quot;Set a PyTables attribute.</span>
 
 <span class="sd">        Sets a (maybe new) PyTables attribute with the specified `name`</span>
 <span class="sd">        and `value`.  If the attribute already exists, it is simply</span>
@@ -535,7 +528,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
                 <span class="n">attrnamesuser</span><span class="o">.</span><span class="n">sort</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="fm">__setattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a PyTables attribute.</span>
+        <span class="sd">&quot;&quot;&quot;Set a PyTables attribute.</span>
 
 <span class="sd">        Sets a (maybe new) PyTables attribute with the specified `name`</span>
 <span class="sd">        and `value`.  If the attribute already exists, it is simply</span>
@@ -589,7 +582,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="n">attr_to_shadow</span><span class="p">(</span><span class="n">nodefile</span><span class="p">,</span> <span class="n">node_pathname</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g__delattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Delete a PyTables attribute.</span>
+        <span class="sd">&quot;&quot;&quot;Delete a PyTables attribute.</span>
 
 <span class="sd">        Deletes the specified existing PyTables attribute.</span>
 
@@ -612,7 +605,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="fm">__delattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Delete a PyTables attribute.</span>
+        <span class="sd">&quot;&quot;&quot;Delete a PyTables attribute.</span>
 
 <span class="sd">        Deletes the specified existing PyTables attribute from the</span>
 <span class="sd">        attribute set.  If a nonexistent or system attribute is</span>
@@ -637,7 +630,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_g__delattr</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The dictionary like interface for __getattr__().&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The dictionary like interface for __getattr__().&quot;&quot;&quot;</span>
 
         <span class="k">try</span><span class="p">:</span>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="fm">__getattr__</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
@@ -648,12 +641,12 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
                 <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v__nodepath</span><span class="p">))</span>
 
     <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The dictionary like interface for __setattr__().&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The dictionary like interface for __setattr__().&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="fm">__setattr__</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__delitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The dictionary like interface for __delattr__().&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The dictionary like interface for __delattr__().&quot;&quot;&quot;</span>
 
         <span class="k">try</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="fm">__delattr__</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
@@ -663,10 +656,8 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
                 <span class="s2">&quot;Attribute (&#39;</span><span class="si">%s</span><span class="s2">&#39;) does not exist in node &#39;</span><span class="si">%s</span><span class="s2">&#39;&quot;</span>
                 <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v__nodepath</span><span class="p">))</span>
 
-<div class="viewcode-block" id="AttributeSet.__contains__">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet.__contains__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is there an attribute with that name?</span>
+<div class="viewcode-block" id="AttributeSet.__contains__"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet.__contains__">[docs]</a>    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is there an attribute with that name?</span>
 
 <span class="sd">        A true value is returned if the attribute set has an attribute</span>
 <span class="sd">        with the given name, false otherwise.</span>
@@ -675,11 +666,8 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrnames</span></div>
 
-
-<div class="viewcode-block" id="AttributeSet._f_rename">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet._f_rename">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">oldattrname</span><span class="p">,</span> <span class="n">newattrname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Rename an attribute from oldattrname to newattrname.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="AttributeSet._f_rename"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet._f_rename">[docs]</a>    <span class="k">def</span> <span class="nf">_f_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">oldattrname</span><span class="p">,</span> <span class="n">newattrname</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Rename an attribute from oldattrname to newattrname.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">oldattrname</span> <span class="o">==</span> <span class="n">newattrname</span><span class="p">:</span>
             <span class="c1"># Do nothing</span>
@@ -694,9 +682,8 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="c1"># Finally, remove the old attribute</span>
         <span class="nb">delattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">oldattrname</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newset</span><span class="p">,</span> <span class="n">set_attr</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">copyclass</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy set attributes.</span>
+        <span class="sd">&quot;&quot;&quot;Copy set attributes.</span>
 
 <span class="sd">        Copies all user and allowed system PyTables attributes to the</span>
 <span class="sd">        given attribute set, replacing the existing ones.</span>
@@ -739,10 +726,8 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
                     <span class="k">if</span> <span class="n">attrname</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrnamessys</span><span class="p">:</span>
                         <span class="n">set_attr</span><span class="p">(</span><span class="n">attrname</span><span class="p">,</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">attrname</span><span class="p">))</span>
 
-<div class="viewcode-block" id="AttributeSet._f_copy">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet._f_copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy attributes to the where node.</span>
+<div class="viewcode-block" id="AttributeSet._f_copy"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet._f_copy">[docs]</a>    <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Copy attributes to the where node.</span>
 
 <span class="sd">        Copies all user and certain system attributes to the given where</span>
 <span class="sd">        node (a Node instance - see :ref:`NodeClassDescr`), replacing</span>
@@ -757,14 +742,13 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;destination object is not a node: </span><span class="si">{</span><span class="n">where</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_copy</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">_v_attrs</span><span class="p">,</span> <span class="n">where</span><span class="o">.</span><span class="n">_v_attrs</span><span class="o">.</span><span class="fm">__setattr__</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="c1"># Nothing will be done here, as the existing instance is completely</span>
         <span class="c1"># operative now.</span>
         <span class="k">pass</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
 
         <span class="c1"># The pathname</span>
         <span class="n">pathname</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v__nodepath</span>
@@ -775,18 +759,17 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">pathname</span><span class="si">}</span><span class="s2">._v_attrs (</span><span class="si">{</span><span class="n">classname</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">attrnumber</span><span class="si">}</span><span class="s2"> attributes&quot;</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
 
         <span class="c1"># print additional info only if there are attributes to show</span>
         <span class="n">attrnames</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_attrnames</span><span class="p">)</span>
         <span class="k">if</span> <span class="n">attrnames</span><span class="p">:</span>
-            <span class="n">rep</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">attr</span><span class="si">}</span><span class="s1"> := </span><span class="si">{</span><span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">attr</span><span class="p">)</span><span class="si">!r}</span><span class="s1">&#39;</span> <span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="n">attrnames</span><span class="p">]</span>
+            <span class="n">rep</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">attr</span><span class="si">}</span><span class="s1"> := </span><span class="si">{</span><span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">attr</span><span class="p">)</span><span class="si">!r}</span><span class="s1">&#39;</span> <span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="n">attrnames</span><span class="p">]</span>
             <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">!s}</span><span class="s2">:</span><span class="se">\n</span><span class="s2">   [&quot;</span> <span class="o">+</span> <span class="s1">&#39;,</span><span class="se">\n</span><span class="s1">    &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">rep</span><span class="p">)</span> <span class="o">+</span> <span class="s2">&quot;]&quot;</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">NotLoggedAttributeSet</span><span class="p">(</span><span class="n">AttributeSet</span><span class="p">):</span>
     <span class="k">def</span> <span class="nf">_g_log_add</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
         <span class="k">pass</span>
diff --git a/_modules/tables/carray.html b/_modules/tables/carray.html
index eb11c2b..a083d9e 100644
--- a/_modules/tables/carray.html
+++ b/_modules/tables/carray.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.carray &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.carray &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.carray</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.carray</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -108,10 +106,8 @@ <h1>Source code for tables.carray</h1><div class="highlight"><pre>
 <span class="n">obversion</span> <span class="o">=</span> <span class="s2">&quot;1.1&quot;</span>    <span class="c1"># Numeric and numarray flavors are gone.</span>
 
 
-<div class="viewcode-block" id="CArray">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.CArray">[docs]</a>
-<span class="k">class</span> <span class="nc">CArray</span><span class="p">(</span><span class="n">Array</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents homogeneous datasets in an HDF5 file.</span>
+<div class="viewcode-block" id="CArray"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.CArray">[docs]</a><span class="k">class</span> <span class="nc">CArray</span><span class="p">(</span><span class="n">Array</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;This class represents homogeneous datasets in an HDF5 file.</span>
 
 <span class="sd">    The difference between a CArray and a normal Array (see</span>
 <span class="sd">    :ref:`ArrayClassDescr`), from which it inherits, is that a CArray</span>
@@ -223,45 +219,45 @@ <h1>Source code for tables.carray</h1><div class="highlight"><pre>
                  <span class="n">_log</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">atom</span> <span class="o">=</span> <span class="n">atom</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;An `Atom` instance representing the shape, type of the atomic</span>
+        <span class="sd">&quot;&quot;&quot;An `Atom` instance representing the shape, type of the atomic</span>
 <span class="sd">        objects to be saved.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of the stored array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of the stored array.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">extdim</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>  <span class="c1"># `CArray` objects are not enlargeable by default</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension.&quot;&quot;&quot;</span>
 
         <span class="c1"># Other private attributes</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The object version of this array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The object version of this array.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="n">new</span> <span class="o">=</span> <span class="n">atom</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_title</span> <span class="o">=</span> <span class="n">title</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_convert</span> <span class="o">=</span> <span class="kc">True</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the ``Array`` object must be converted or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether the ``Array`` object must be converted or not.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_chunkshape</span> <span class="o">=</span> <span class="n">chunkshape</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private storage for the `chunkshape` property of the leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private storage for the `chunkshape` property of the leaf.&quot;&quot;&quot;</span>
 
         <span class="c1"># Miscellaneous iteration rubbish.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_start</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Starting row for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Starting row for the current iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_stop</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Stopping row for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Stopping row for the current iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_step</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Step size for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Step size for the current iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_nrowsread</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Number of rows read up to the current state of iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Number of rows read up to the current state of iteration.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_startb</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Starting row for current buffer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Starting row for current buffer.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_stopb</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Stopping row for current buffer. &quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Stopping row for current buffer. &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_row</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Current row in iterators (sentinel).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Current row in iterators (sentinel).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_init</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether we are in the middle of an iteration or not (sentinel).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether we are in the middle of an iteration or not (sentinel).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">listarr</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Current buffer in iterators.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Current buffer in iterators.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">new</span><span class="p">:</span>
             <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">atom</span><span class="p">,</span> <span class="n">Atom</span><span class="p">):</span>
@@ -297,7 +293,7 @@ <h1>Source code for tables.carray</h1><div class="highlight"><pre>
                                     <span class="n">byteorder</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span> <span class="n">track_times</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_create</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new array in file (specific part).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create a new array in file (specific part).&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span> <span class="o">&lt;</span> <span class="mi">1</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
@@ -306,7 +302,7 @@ <h1>Source code for tables.carray</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_g_create_common</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_create_common</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expectedrows</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new array in file (common part).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create a new array in file (common part).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="n">obversion</span>
 
@@ -334,7 +330,7 @@ <h1>Source code for tables.carray</h1><div class="highlight"><pre>
 
     <span class="k">def</span> <span class="nf">_g_copy_with_stats</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">group</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span>
                            <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span> <span class="n">chunkshape</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
 
         <span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_process_range_read</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span>
         <span class="n">maindim</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">maindim</span>
@@ -372,7 +368,6 @@ <h1>Source code for tables.carray</h1><div class="highlight"><pre>
         <span class="n">nbytes</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">prod</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">SizeType</span><span class="p">)</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">size</span>
 
         <span class="k">return</span> <span class="p">(</span><span class="nb">object</span><span class="p">,</span> <span class="n">nbytes</span><span class="p">)</span></div>
-
 </pre></div>
 
            </div>
diff --git a/_modules/tables/description.html b/_modules/tables/description.html
index 61fcb2e..71100eb 100644
--- a/_modules/tables/description.html
+++ b/_modules/tables/description.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.description &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.description &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.description</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.description</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -108,7 +106,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">same_position</span><span class="p">(</span><span class="n">oldmethod</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Decorate `oldmethod` to also compare the `_v_pos` attribute.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Decorate `oldmethod` to also compare the `_v_pos` attribute.&quot;&quot;&quot;</span>
     <span class="k">def</span> <span class="nf">newmethod</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
         <span class="k">try</span><span class="p">:</span>
             <span class="n">other</span><span class="o">.</span><span class="n">_v_pos</span>
@@ -120,10 +118,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">newmethod</span>
 
 
-<div class="viewcode-block" id="Col">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Col">[docs]</a>
-<span class="k">class</span> <span class="nc">Col</span><span class="p">(</span><span class="n">atom</span><span class="o">.</span><span class="n">Atom</span><span class="p">,</span> <span class="n">metaclass</span><span class="o">=</span><span class="nb">type</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Defines a non-nested column.</span>
+<div class="viewcode-block" id="Col"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Col">[docs]</a><span class="k">class</span> <span class="nc">Col</span><span class="p">(</span><span class="n">atom</span><span class="o">.</span><span class="n">Atom</span><span class="p">,</span> <span class="n">metaclass</span><span class="o">=</span><span class="nb">type</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Defines a non-nested column.</span>
 
 <span class="sd">    Col instances are used as a means to declare the different properties of a</span>
 <span class="sd">    non-nested column in a table or nested column.  Col classes are descendants</span>
@@ -167,20 +163,18 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 <span class="sd">    &quot;&quot;&quot;</span>
 
     <span class="n">_class_from_prefix</span> <span class="o">=</span> <span class="p">{}</span>  <span class="c1"># filled as column classes are created</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Maps column prefixes to column classes.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Maps column prefixes to column classes.&quot;&quot;&quot;</span>
 
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">prefix</span><span class="p">(</span><span class="bp">cls</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the column class prefix.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return the column class prefix.&quot;&quot;&quot;</span>
 
         <span class="n">cname</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="vm">__name__</span>
         <span class="k">return</span> <span class="n">cname</span><span class="p">[:</span><span class="n">cname</span><span class="o">.</span><span class="n">rfind</span><span class="p">(</span><span class="s1">&#39;Col&#39;</span><span class="p">)]</span>
 
-<div class="viewcode-block" id="Col.from_atom">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Col.from_atom">[docs]</a>
-    <span class="nd">@classmethod</span>
+<div class="viewcode-block" id="Col.from_atom"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.Col.from_atom">[docs]</a>    <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_atom</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">atom</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_offset</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a Col definition from a PyTables atom.</span>
+        <span class="sd">&quot;&quot;&quot;Create a Col definition from a PyTables atom.</span>
 
 <span class="sd">        An optional position may be specified as the pos argument.</span>
 
@@ -191,10 +185,9 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="n">colclass</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">_class_from_prefix</span><span class="p">[</span><span class="n">prefix</span><span class="p">]</span>
         <span class="k">return</span> <span class="n">colclass</span><span class="p">(</span><span class="n">pos</span><span class="o">=</span><span class="n">pos</span><span class="p">,</span> <span class="n">_offset</span><span class="o">=</span><span class="n">_offset</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_sctype</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">sctype</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a `Col` definition from a NumPy scalar type `sctype`.</span>
+        <span class="sd">&quot;&quot;&quot;Create a `Col` definition from a NumPy scalar type `sctype`.</span>
 
 <span class="sd">        Optional shape, default value and position may be specified as</span>
 <span class="sd">        the `shape`, `dflt` and `pos` arguments, respectively.</span>
@@ -208,7 +201,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_dtype</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">dtype</span><span class="p">,</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_offset</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a `Col` definition from a NumPy `dtype`.</span>
+        <span class="sd">&quot;&quot;&quot;Create a `Col` definition from a NumPy `dtype`.</span>
 
 <span class="sd">        Optional default value and position may be specified as the</span>
 <span class="sd">        `dflt` and `pos` arguments, respectively.  The `dtype` must have</span>
@@ -223,7 +216,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_type</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="nb">type</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a `Col` definition from a PyTables `type`.</span>
+        <span class="sd">&quot;&quot;&quot;Create a `Col` definition from a PyTables `type`.</span>
 
 <span class="sd">        Optional shape, default value and position may be specified as</span>
 <span class="sd">        the `shape`, `dflt` and `pos` arguments, respectively.</span>
@@ -235,7 +228,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">from_kind</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">kind</span><span class="p">,</span> <span class="n">itemsize</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(),</span> <span class="n">dflt</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a `Col` definition from a PyTables `kind`.</span>
+        <span class="sd">&quot;&quot;&quot;Create a `Col` definition from a PyTables `kind`.</span>
 
 <span class="sd">        Optional item size, shape, default value and position may be</span>
 <span class="sd">        specified as the `itemsize`, `shape`, `dflt` and `pos`</span>
@@ -249,7 +242,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">_subclass_from_prefix</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">prefix</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a column subclass for the given `prefix`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get a column subclass for the given `prefix`.&quot;&quot;&quot;</span>
 
         <span class="n">cname</span> <span class="o">=</span> <span class="s1">&#39;</span><span class="si">%s</span><span class="s1">Col&#39;</span> <span class="o">%</span> <span class="n">prefix</span>
         <span class="n">class_from_prefix</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">_class_from_prefix</span>
@@ -258,7 +251,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="n">atombase</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">atom</span><span class="p">,</span> <span class="s1">&#39;</span><span class="si">%s</span><span class="s1">Atom&#39;</span> <span class="o">%</span> <span class="n">prefix</span><span class="p">)</span>
 
         <span class="k">class</span> <span class="nc">NewCol</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">atombase</span><span class="p">):</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;Defines a non-nested column of a particular type.</span>
+            <span class="sd">&quot;&quot;&quot;Defines a non-nested column of a particular type.</span>
 
 <span class="sd">            The constructor accepts the same arguments as the equivalent</span>
 <span class="sd">            `Atom` class, plus an additional ``pos`` argument for</span>
@@ -315,16 +308,15 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">classname</span><span class="si">}</span><span class="s1">(</span><span class="si">{</span><span class="n">atomargs</span><span class="si">}</span><span class="s1">, pos=</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pos</span><span class="si">}</span><span class="s1">)&#39;</span>
 
     <span class="k">def</span> <span class="nf">_get_init_args</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a dictionary of instance constructor arguments.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get a dictionary of instance constructor arguments.&quot;&quot;&quot;</span>
 
         <span class="n">kwargs</span> <span class="o">=</span> <span class="p">{</span><span class="n">arg</span><span class="p">:</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">arg</span><span class="p">)</span> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">&#39;shape&#39;</span><span class="p">,</span> <span class="s1">&#39;dflt&#39;</span><span class="p">)}</span>
         <span class="n">kwargs</span><span class="p">[</span><span class="s1">&#39;pos&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">&#39;_v_pos&#39;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">kwargs</span></div>
 
 
-
 <span class="k">def</span> <span class="nf">_generate_col_classes</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Generate all column classes.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Generate all column classes.&quot;&quot;&quot;</span>
 
     <span class="c1"># Abstract classes are not in the class map.</span>
     <span class="n">cprefixes</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;Int&#39;</span><span class="p">,</span> <span class="s1">&#39;UInt&#39;</span><span class="p">,</span> <span class="s1">&#39;Float&#39;</span><span class="p">,</span> <span class="s1">&#39;Time&#39;</span><span class="p">]</span>
@@ -394,10 +386,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 
 <span class="c1"># Table description classes</span>
 <span class="c1"># =========================</span>
-<div class="viewcode-block" id="Description">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Description">[docs]</a>
-<span class="k">class</span> <span class="nc">Description</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents descriptions of the structure of tables.</span>
+<div class="viewcode-block" id="Description"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Description">[docs]</a><span class="k">class</span> <span class="nc">Description</span><span class="p">:</span>
+    <span class="sd">&quot;&quot;&quot;This class represents descriptions of the structure of tables.</span>
 
 <span class="sd">    An instance of this class is automatically bound to Table (see</span>
 <span class="sd">    :ref:`TableClassDescr`) objects when they are created.  It provides a</span>
@@ -717,7 +707,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="n">newdict</span><span class="p">[</span><span class="s1">&#39;_v_offsets&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">dtype</span><span class="o">.</span><span class="n">fields</span><span class="p">[</span><span class="n">name</span><span class="p">][</span><span class="mi">1</span><span class="p">]</span> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">dtype</span><span class="o">.</span><span class="n">names</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">_g_set_nested_names_descr</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Computes the nested names and descriptions for nested datatypes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Computes the nested names and descriptions for nested datatypes.&quot;&quot;&quot;</span>
 
         <span class="n">names</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_names</span>
         <span class="n">fmts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_nested_formats</span>
@@ -734,7 +724,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_v_is_nested</span> <span class="o">=</span> <span class="kc">True</span>
 
     <span class="k">def</span> <span class="nf">_g_set_path_names</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Compute the pathnames for arbitrary nested descriptions.</span>
+        <span class="sd">&quot;&quot;&quot;Compute the pathnames for arbitrary nested descriptions.</span>
 
 <span class="sd">        This method sets the ``_v_pathname`` and ``_v_pathnames``</span>
 <span class="sd">        attributes of all the elements (both descriptions and columns)</span>
@@ -809,10 +799,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
                     <span class="n">parentCols</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">colPaths</span><span class="p">)</span>
                 <span class="c1"># (Nothing is pushed, we are done with this description.)</span>
 
-<div class="viewcode-block" id="Description._f_walk">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Description._f_walk">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_walk</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">type</span><span class="o">=</span><span class="s1">&#39;All&#39;</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over nested columns.</span>
+<div class="viewcode-block" id="Description._f_walk"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Description._f_walk">[docs]</a>    <span class="k">def</span> <span class="nf">_f_walk</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">type</span><span class="o">=</span><span class="s1">&#39;All&#39;</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over nested columns.</span>
 
 <span class="sd">        If type is &#39;All&#39; (the default), all column description objects (Col and</span>
 <span class="sd">        Description instances) are yielded in top-to-bottom order (preorder).</span>
@@ -839,9 +827,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
                     <span class="k">if</span> <span class="nb">type</span> <span class="ow">in</span> <span class="p">[</span><span class="s2">&quot;All&quot;</span><span class="p">,</span> <span class="s2">&quot;Col&quot;</span><span class="p">]:</span>
                         <span class="k">yield</span> <span class="n">new_object</span>  <span class="c1"># yield column</span></div>
 
-
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Gives a detailed Description column representation.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Gives a detailed Description column representation.&quot;&quot;&quot;</span>
 
         <span class="n">rep</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;</span><span class="si">%s</span><span class="se">\&quot;</span><span class="si">%s</span><span class="se">\&quot;</span><span class="s1">: </span><span class="si">%r</span><span class="s1">&#39;</span> <span class="o">%</span>
                <span class="p">(</span><span class="s2">&quot;  &quot;</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_nestedlvl</span><span class="p">,</span> <span class="n">k</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_colobjects</span><span class="p">[</span><span class="n">k</span><span class="p">])</span>
@@ -849,17 +836,16 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="s1">&#39;{</span><span class="se">\n</span><span class="s1">  </span><span class="si">%s</span><span class="s1">}&#39;</span> <span class="o">%</span> <span class="p">(</span><span class="s1">&#39;,</span><span class="se">\n</span><span class="s1">  &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">rep</span><span class="p">))</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Gives a brief Description representation.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Gives a brief Description representation.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;Description(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_nested_descr</span><span class="si">}</span><span class="s1">)&#39;</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">MetaIsDescription</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Helper metaclass to return the class variables as a dictionary.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Helper metaclass to return the class variables as a dictionary.&quot;&quot;&quot;</span>
 
     <span class="k">def</span> <span class="fm">__new__</span><span class="p">(</span><span class="n">mcs</span><span class="p">,</span> <span class="n">classname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">classdict</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a new class with a &quot;columns&quot; attribute filled.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return a new class with a &quot;columns&quot; attribute filled.&quot;&quot;&quot;</span>
 
         <span class="n">newdict</span> <span class="o">=</span> <span class="p">{</span><span class="s2">&quot;columns&quot;</span><span class="p">:</span> <span class="p">{},</span> <span class="p">}</span>
         <span class="k">if</span> <span class="s1">&#39;__doc__&#39;</span> <span class="ow">in</span> <span class="n">classdict</span><span class="p">:</span>
@@ -877,10 +863,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="nb">type</span><span class="o">.</span><span class="fm">__new__</span><span class="p">(</span><span class="n">mcs</span><span class="p">,</span> <span class="n">classname</span><span class="p">,</span> <span class="n">bases</span><span class="p">,</span> <span class="n">newdict</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="IsDescription">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.IsDescription">[docs]</a>
-<span class="k">class</span> <span class="nc">IsDescription</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">MetaIsDescription</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Description of the structure of a table or nested column.</span>
+<div class="viewcode-block" id="IsDescription"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.IsDescription">[docs]</a><span class="k">class</span> <span class="nc">IsDescription</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">MetaIsDescription</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Description of the structure of a table or nested column.</span>
 
 <span class="sd">    This class is designed to be used as an easy, yet meaningful way to</span>
 <span class="sd">    describe the structure of new Table (see :ref:`TableClassDescr`) datasets</span>
@@ -924,11 +908,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 <span class="sd">    &quot;&quot;&quot;</span></div>
 
 
-
-<div class="viewcode-block" id="descr_from_dtype">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.descr_from_dtype">[docs]</a>
-<span class="k">def</span> <span class="nf">descr_from_dtype</span><span class="p">(</span><span class="n">dtype_</span><span class="p">,</span> <span class="n">ptparams</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Get a description instance and byteorder from a (nested) NumPy dtype.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="descr_from_dtype"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.descr_from_dtype">[docs]</a><span class="k">def</span> <span class="nf">descr_from_dtype</span><span class="p">(</span><span class="n">dtype_</span><span class="p">,</span> <span class="n">ptparams</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Get a description instance and byteorder from a (nested) NumPy dtype.&quot;&quot;&quot;</span>
 
     <span class="n">fields</span> <span class="o">=</span> <span class="p">{}</span>
     <span class="n">fbyteorder</span> <span class="o">=</span> <span class="s1">&#39;|&#39;</span>
@@ -962,11 +943,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">Description</span><span class="p">(</span><span class="n">fields</span><span class="p">,</span> <span class="n">ptparams</span><span class="o">=</span><span class="n">ptparams</span><span class="p">),</span> <span class="n">fbyteorder</span></div>
 
 
-
-<div class="viewcode-block" id="dtype_from_descr">
-<a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.dtype_from_descr">[docs]</a>
-<span class="k">def</span> <span class="nf">dtype_from_descr</span><span class="p">(</span><span class="n">descr</span><span class="p">,</span> <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">ptparams</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Get a (nested) NumPy dtype from a description instance and byteorder.</span>
+<div class="viewcode-block" id="dtype_from_descr"><a class="viewcode-back" href="../../usersguide/libref/declarative_classes.html#tables.dtype_from_descr">[docs]</a><span class="k">def</span> <span class="nf">dtype_from_descr</span><span class="p">(</span><span class="n">descr</span><span class="p">,</span> <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">ptparams</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Get a (nested) NumPy dtype from a description instance and byteorder.</span>
 
 <span class="sd">    The descr parameter can be a Description or IsDescription</span>
 <span class="sd">    instance, sub-class of IsDescription or a dictionary.</span>
@@ -991,9 +969,8 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">dtype_</span></div>
 
 
-
 <span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s2">&quot;__main__&quot;</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Test code.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Test code.&quot;&quot;&quot;</span>
 
     <span class="k">class</span> <span class="nc">Info</span><span class="p">(</span><span class="n">IsDescription</span><span class="p">):</span>
         <span class="n">_v_pos</span> <span class="o">=</span> <span class="mi">2</span>
@@ -1001,7 +978,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="n">Value</span> <span class="o">=</span> <span class="n">Float64Col</span><span class="p">()</span>
 
     <span class="k">class</span> <span class="nc">Test</span><span class="p">(</span><span class="n">IsDescription</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A description that has several columns.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A description that has several columns.&quot;&quot;&quot;</span>
 
         <span class="n">x</span> <span class="o">=</span> <span class="n">Col</span><span class="o">.</span><span class="n">from_type</span><span class="p">(</span><span class="s2">&quot;int32&quot;</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
         <span class="n">y</span> <span class="o">=</span> <span class="n">Col</span><span class="o">.</span><span class="n">from_kind</span><span class="p">(</span><span class="s1">&#39;float&#39;</span><span class="p">,</span> <span class="n">dflt</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">))</span>
diff --git a/_modules/tables/earray.html b/_modules/tables/earray.html
index c7a95ab..c971af2 100644
--- a/_modules/tables/earray.html
+++ b/_modules/tables/earray.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.earray &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.earray &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.earray</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.earray</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -108,10 +106,8 @@ <h1>Source code for tables.earray</h1><div class="highlight"><pre>
 <span class="n">obversion</span> <span class="o">=</span> <span class="s2">&quot;1.4&quot;</span>    <span class="c1"># Numeric and numarray flavors are gone.</span>
 
 
-<div class="viewcode-block" id="EArray">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.EArray">[docs]</a>
-<span class="k">class</span> <span class="nc">EArray</span><span class="p">(</span><span class="n">CArray</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents extendable, homogeneous datasets in an HDF5 file.</span>
+<div class="viewcode-block" id="EArray"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.EArray">[docs]</a><span class="k">class</span> <span class="nc">EArray</span><span class="p">(</span><span class="n">CArray</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;This class represents extendable, homogeneous datasets in an HDF5 file.</span>
 
 <span class="sd">    The main difference between an EArray and a CArray (see</span>
 <span class="sd">    :ref:`CArrayClassDescr`), from which it inherits, is that the former</span>
@@ -233,14 +229,14 @@ <h1>Source code for tables.earray</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="n">expectedrows</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="n">expectedrows</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;EXPECTED_ROWS_EARRAY&#39;</span><span class="p">]</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_expectedrows</span> <span class="o">=</span> <span class="n">expectedrows</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The expected number of rows to be stored in the array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The expected number of rows to be stored in the array.&quot;&quot;&quot;</span>
 
         <span class="c1"># Call the parent (CArray) init code</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">atom</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span>
                          <span class="n">chunkshape</span><span class="p">,</span> <span class="n">byteorder</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span> <span class="n">track_times</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_create</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new array in file (specific part).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create a new array in file (specific part).&quot;&quot;&quot;</span>
 
         <span class="c1"># Pre-conditions and extdim computation</span>
         <span class="n">zerodims</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">)</span>
@@ -260,7 +256,7 @@ <h1>Source code for tables.earray</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_g_create_common</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_expectedrows</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_check_shape_append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">nparr</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Test that nparr shape is consistent with underlying EArray.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Test that nparr shape is consistent with underlying EArray.&quot;&quot;&quot;</span>
 
         <span class="c1"># Does the array conform to self expandibility?</span>
         <span class="n">myrank</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
@@ -275,10 +271,8 @@ <h1>Source code for tables.earray</h1><div class="highlight"><pre>
                                   <span class="s2">&quot;``</span><span class="si">%s</span><span class="s2">`` EArray differ in non-enlargeable &quot;</span>
                                   <span class="s2">&quot;dimension </span><span class="si">%d</span><span class="s2">&quot;</span><span class="p">)</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span>
 
-<div class="viewcode-block" id="EArray.append">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.EArray.append">[docs]</a>
-    <span class="k">def</span> <span class="nf">append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sequence</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Add a sequence of data to the end of the dataset.</span>
+<div class="viewcode-block" id="EArray.append"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.EArray.append">[docs]</a>    <span class="k">def</span> <span class="nf">append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sequence</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Add a sequence of data to the end of the dataset.</span>
 
 <span class="sd">        The sequence must have the same type as the array; otherwise a</span>
 <span class="sd">        TypeError is raised. In the same way, the dimensions of the</span>
@@ -300,10 +294,9 @@ <h1>Source code for tables.earray</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="n">nparr</span><span class="o">.</span><span class="n">size</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_append</span><span class="p">(</span><span class="n">nparr</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_copy_with_stats</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">group</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span>
                            <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span> <span class="n">chunkshape</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
 
         <span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_process_range_read</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span>
         <span class="c1"># Build the new EArray object</span>
@@ -338,7 +331,6 @@ <h1>Source code for tables.earray</h1><div class="highlight"><pre>
         <span class="n">nbytes</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">prod</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">SizeType</span><span class="p">)</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">itemsize</span>
 
         <span class="k">return</span> <span class="p">(</span><span class="nb">object</span><span class="p">,</span> <span class="n">nbytes</span><span class="p">)</span></div>
-
 </pre></div>
 
            </div>
diff --git a/_modules/tables/exceptions.html b/_modules/tables/exceptions.html
index 1e53148..b31bb34 100644
--- a/_modules/tables/exceptions.html
+++ b/_modules/tables/exceptions.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.exceptions &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.exceptions &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.exceptions</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.exceptions</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -124,10 +122,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
 <span class="sd">&quot;&quot;&quot;The format of documentation strings in this module.&quot;&quot;&quot;</span>
 
 
-<div class="viewcode-block" id="HDF5ExtError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.HDF5ExtError">[docs]</a>
-<span class="k">class</span> <span class="nc">HDF5ExtError</span><span class="p">(</span><span class="ne">RuntimeError</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;A low level HDF5 operation failed.</span>
+<div class="viewcode-block" id="HDF5ExtError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.HDF5ExtError">[docs]</a><span class="k">class</span> <span class="nc">HDF5ExtError</span><span class="p">(</span><span class="ne">RuntimeError</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;A low level HDF5 operation failed.</span>
 
 <span class="sd">    This exception is raised the low level PyTables components used for</span>
 <span class="sd">    accessing HDF5 files.  It usually signals that something is not</span>
@@ -167,7 +163,7 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="n">_dump_h5_backtrace</span> <span class="o">=</span> <span class="kc">None</span>
 
     <span class="n">DEFAULT_H5_BACKTRACE_POLICY</span> <span class="o">=</span> <span class="s2">&quot;VERBOSE&quot;</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Default policy for HDF5 backtrace handling</span>
+    <span class="sd">&quot;&quot;&quot;Default policy for HDF5 backtrace handling</span>
 
 <span class="sd">    * if set to False the HDF5 back trace is ignored and the</span>
 <span class="sd">      :attr:`HDF5ExtError.h5backtrace` attribute is set to None</span>
@@ -221,7 +217,7 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_h5bt_policy</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dump_h5_backtrace</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">h5backtrace</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dump_h5_backtrace</span><span class="p">()</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;HDF5 back trace.</span>
+            <span class="sd">&quot;&quot;&quot;HDF5 back trace.</span>
 
 <span class="sd">            Contains the HDF5 back trace as a (possibly empty) list of</span>
 <span class="sd">            tuples.  Each tuple has the following format::</span>
@@ -248,7 +244,7 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">h5backtrace</span> <span class="o">=</span> <span class="kc">None</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Returns a sting representation of the exception.</span>
+        <span class="sd">&quot;&quot;&quot;Returns a sting representation of the exception.</span>
 
 <span class="sd">        The actual result depends on policy set in the initializer</span>
 <span class="sd">        :meth:`HDF5ExtError.__init__`.</span>
@@ -278,10 +274,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">msg</span>
 
-<div class="viewcode-block" id="HDF5ExtError.format_h5_backtrace">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.HDF5ExtError.format_h5_backtrace">[docs]</a>
-    <span class="k">def</span> <span class="nf">format_h5_backtrace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">backtrace</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Convert the HDF5 trace back represented as a list of tuples.</span>
+<div class="viewcode-block" id="HDF5ExtError.format_h5_backtrace"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.HDF5ExtError.format_h5_backtrace">[docs]</a>    <span class="k">def</span> <span class="nf">format_h5_backtrace</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">backtrace</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Convert the HDF5 trace back represented as a list of tuples.</span>
 <span class="sd">        (see :attr:`HDF5ExtError.h5backtrace`) into a string.</span>
 
 <span class="sd">        .. versionadded:: 2.4</span>
@@ -293,9 +287,7 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="n">backtrace</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="k">return</span> <span class="s1">&#39;No HDF5 back trace available&#39;</span>
         <span class="k">else</span><span class="p">:</span>
-            <span class="k">return</span> <span class="s1">&#39;&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">traceback</span><span class="o">.</span><span class="n">format_list</span><span class="p">(</span><span class="n">backtrace</span><span class="p">))</span></div>
-</div>
-
+            <span class="k">return</span> <span class="s1">&#39;&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">traceback</span><span class="o">.</span><span class="n">format_list</span><span class="p">(</span><span class="n">backtrace</span><span class="p">))</span></div></div>
 
 
 <span class="c1"># Initialize the policy for HDF5 back trace handling</span>
@@ -305,10 +297,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
 <span class="c1"># The following exceptions are concretions of the ``ValueError`` exceptions</span>
 <span class="c1"># raised by ``file`` objects on certain operations.</span>
 
-<div class="viewcode-block" id="ClosedNodeError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.ClosedNodeError">[docs]</a>
-<span class="k">class</span> <span class="nc">ClosedNodeError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;The operation can not be completed because the node is closed.</span>
+<div class="viewcode-block" id="ClosedNodeError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.ClosedNodeError">[docs]</a><span class="k">class</span> <span class="nc">ClosedNodeError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;The operation can not be completed because the node is closed.</span>
 
 <span class="sd">    For instance, listing the children of a closed group is not allowed.</span>
 
@@ -317,11 +307,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="ClosedFileError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.ClosedFileError">[docs]</a>
-<span class="k">class</span> <span class="nc">ClosedFileError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;The operation can not be completed because the hosting file is closed.</span>
+<div class="viewcode-block" id="ClosedFileError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.ClosedFileError">[docs]</a><span class="k">class</span> <span class="nc">ClosedFileError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;The operation can not be completed because the hosting file is closed.</span>
 
 <span class="sd">    For instance, getting an existing node from a closed file is not</span>
 <span class="sd">    allowed.</span>
@@ -331,11 +318,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="FileModeError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FileModeError">[docs]</a>
-<span class="k">class</span> <span class="nc">FileModeError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;The operation can not be carried out because the mode in which the</span>
+<div class="viewcode-block" id="FileModeError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FileModeError">[docs]</a><span class="k">class</span> <span class="nc">FileModeError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;The operation can not be carried out because the mode in which the</span>
 <span class="sd">    hosting file is opened is not adequate.</span>
 
 <span class="sd">    For instance, removing an existing leaf from a read-only file is not</span>
@@ -346,11 +330,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="NodeError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.NodeError">[docs]</a>
-<span class="k">class</span> <span class="nc">NodeError</span><span class="p">(</span><span class="ne">AttributeError</span><span class="p">,</span> <span class="ne">LookupError</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Invalid hierarchy manipulation operation requested.</span>
+<div class="viewcode-block" id="NodeError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.NodeError">[docs]</a><span class="k">class</span> <span class="nc">NodeError</span><span class="p">(</span><span class="ne">AttributeError</span><span class="p">,</span> <span class="ne">LookupError</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Invalid hierarchy manipulation operation requested.</span>
 
 <span class="sd">    This exception is raised when the user requests an operation on the</span>
 <span class="sd">    hierarchy which can not be run because of the current layout of the</span>
@@ -369,11 +350,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="NoSuchNodeError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.NoSuchNodeError">[docs]</a>
-<span class="k">class</span> <span class="nc">NoSuchNodeError</span><span class="p">(</span><span class="n">NodeError</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;An operation was requested on a node that does not exist.</span>
+<div class="viewcode-block" id="NoSuchNodeError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.NoSuchNodeError">[docs]</a><span class="k">class</span> <span class="nc">NoSuchNodeError</span><span class="p">(</span><span class="n">NodeError</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;An operation was requested on a node that does not exist.</span>
 
 <span class="sd">    This exception is raised when an operation gets a path name or a</span>
 <span class="sd">    ``(where, name)`` pair leading to a nonexistent node.</span>
@@ -383,11 +361,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="UndoRedoError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.UndoRedoError">[docs]</a>
-<span class="k">class</span> <span class="nc">UndoRedoError</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Problems with doing/redoing actions with Undo/Redo feature.</span>
+<div class="viewcode-block" id="UndoRedoError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.UndoRedoError">[docs]</a><span class="k">class</span> <span class="nc">UndoRedoError</span><span class="p">(</span><span class="ne">Exception</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Problems with doing/redoing actions with Undo/Redo feature.</span>
 
 <span class="sd">    This exception indicates a problem related to the Undo/Redo</span>
 <span class="sd">    mechanism, such as trying to undo or redo actions with this</span>
@@ -398,11 +373,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="UndoRedoWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.UndoRedoWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">UndoRedoWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Issued when an action not supporting Undo/Redo is run.</span>
+<div class="viewcode-block" id="UndoRedoWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.UndoRedoWarning">[docs]</a><span class="k">class</span> <span class="nc">UndoRedoWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Issued when an action not supporting Undo/Redo is run.</span>
 
 <span class="sd">    This warning is only shown when the Undo/Redo mechanism is enabled.</span>
 
@@ -411,11 +383,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="NaturalNameWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.NaturalNameWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">NaturalNameWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Issued when a non-pythonic name is given for a node.</span>
+<div class="viewcode-block" id="NaturalNameWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.NaturalNameWarning">[docs]</a><span class="k">class</span> <span class="nc">NaturalNameWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Issued when a non-pythonic name is given for a node.</span>
 
 <span class="sd">    This is not an error and may even be very useful in certain</span>
 <span class="sd">    contexts, but one should be aware that such nodes cannot be</span>
@@ -426,11 +395,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="PerformanceWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.PerformanceWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">PerformanceWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Warning for operations which may cause a performance drop.</span>
+<div class="viewcode-block" id="PerformanceWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.PerformanceWarning">[docs]</a><span class="k">class</span> <span class="nc">PerformanceWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Warning for operations which may cause a performance drop.</span>
 
 <span class="sd">    This warning is issued when an operation is made on the database</span>
 <span class="sd">    which may cause it to slow down on future operations (i.e. making</span>
@@ -441,11 +407,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="FlavorError">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FlavorError">[docs]</a>
-<span class="k">class</span> <span class="nc">FlavorError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Unsupported or unavailable flavor or flavor conversion.</span>
+<div class="viewcode-block" id="FlavorError"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FlavorError">[docs]</a><span class="k">class</span> <span class="nc">FlavorError</span><span class="p">(</span><span class="ne">ValueError</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Unsupported or unavailable flavor or flavor conversion.</span>
 
 <span class="sd">    This exception is raised when an unsupported or unavailable flavor</span>
 <span class="sd">    is given to a dataset, or when a conversion of data between two</span>
@@ -456,11 +419,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="FlavorWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FlavorWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">FlavorWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Unsupported or unavailable flavor conversion.</span>
+<div class="viewcode-block" id="FlavorWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FlavorWarning">[docs]</a><span class="k">class</span> <span class="nc">FlavorWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Unsupported or unavailable flavor conversion.</span>
 
 <span class="sd">    This warning is issued when a conversion of data between two given</span>
 <span class="sd">    flavors is not supported nor available, and raising an error would</span>
@@ -474,11 +434,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="FiltersWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FiltersWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">FiltersWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Unavailable filters.</span>
+<div class="viewcode-block" id="FiltersWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.FiltersWarning">[docs]</a><span class="k">class</span> <span class="nc">FiltersWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Unavailable filters.</span>
 
 <span class="sd">    This warning is issued when a valid filter is specified but it is</span>
 <span class="sd">    not available in the system.  It may mean that an available default</span>
@@ -489,11 +446,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="OldIndexWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.OldIndexWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">OldIndexWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Unsupported index format.</span>
+<div class="viewcode-block" id="OldIndexWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.OldIndexWarning">[docs]</a><span class="k">class</span> <span class="nc">OldIndexWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Unsupported index format.</span>
 
 <span class="sd">    This warning is issued when an index in an unsupported format is</span>
 <span class="sd">    found.  The index will be marked as invalid and will behave as if</span>
@@ -504,11 +458,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="DataTypeWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.DataTypeWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">DataTypeWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Unsupported data type.</span>
+<div class="viewcode-block" id="DataTypeWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.DataTypeWarning">[docs]</a><span class="k">class</span> <span class="nc">DataTypeWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Unsupported data type.</span>
 
 <span class="sd">    This warning is issued when an unsupported HDF5 data type is found</span>
 <span class="sd">    (normally in a file created with other tool than PyTables).</span>
@@ -518,11 +469,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
-<div class="viewcode-block" id="ExperimentalFeatureWarning">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.ExperimentalFeatureWarning">[docs]</a>
-<span class="k">class</span> <span class="nc">ExperimentalFeatureWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Generic warning for experimental features.</span>
+<div class="viewcode-block" id="ExperimentalFeatureWarning"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.ExperimentalFeatureWarning">[docs]</a><span class="k">class</span> <span class="nc">ExperimentalFeatureWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Generic warning for experimental features.</span>
 
 <span class="sd">    This warning is issued when using a functionality that is still</span>
 <span class="sd">    experimental and that users have to use with care.</span>
@@ -531,9 +479,8 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
     <span class="k">pass</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">UnclosedFileWarning</span><span class="p">(</span><span class="ne">Warning</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Warning raised when there are still open files at program exit</span>
+    <span class="sd">&quot;&quot;&quot;Warning raised when there are still open files at program exit</span>
 
 <span class="sd">    Pytables will close remaining open files at exit, but raise </span>
 <span class="sd">    this warning.</span>
diff --git a/_modules/tables/expression.html b/_modules/tables/expression.html
index 8584087..3fa0cb8 100644
--- a/_modules/tables/expression.html
+++ b/_modules/tables/expression.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.expression &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.expression &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.expression</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.expression</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -105,10 +103,8 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
 <span class="kn">from</span> <span class="nn">.parameters</span> <span class="kn">import</span> <span class="n">IO_BUFFER_SIZE</span><span class="p">,</span> <span class="n">BUFFER_TIMES</span>
 
 
-<div class="viewcode-block" id="Expr">
-<a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr">[docs]</a>
-<span class="k">class</span> <span class="nc">Expr</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;A class for evaluating expressions with arbitrary array-like objects.</span>
+<div class="viewcode-block" id="Expr"><a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr">[docs]</a><span class="k">class</span> <span class="nc">Expr</span><span class="p">:</span>
+    <span class="sd">&quot;&quot;&quot;A class for evaluating expressions with arbitrary array-like objects.</span>
 
 <span class="sd">    Expr is a class for evaluating expressions containing array-like objects.</span>
 <span class="sd">    With it, you can evaluate expressions (like &quot;3 * a + 4 * b&quot;) that</span>
@@ -223,7 +219,7 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
 <span class="sd">    &quot;&quot;&quot;</span>
 
     <span class="n">_exprvars_cache</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Cache of variables participating in expressions.</span>
+    <span class="sd">&quot;&quot;&quot;Cache of variables participating in expressions.</span>
 
 <span class="sd">    .. versionadded:: 3.0</span>
 
@@ -232,35 +228,35 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expr</span><span class="p">,</span> <span class="n">uservars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">append_mode</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The append mode for user-provided output containers.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The append mode for user-provided output containers.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">maindim</span> <span class="o">=</span> <span class="mi">0</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Common main dimension for inputs in expression.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Common main dimension for inputs in expression.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">names</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The names of variables in expression (list).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The names of variables in expression (list).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">out</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The user-provided container (if any) for the expression outcome.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The user-provided container (if any) for the expression outcome.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">o_start</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The start range selection for the user-provided output.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The start range selection for the user-provided output.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">o_stop</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The stop range selection for the user-provided output.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The stop range selection for the user-provided output.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">o_step</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The step range selection for the user-provided output.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The step range selection for the user-provided output.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Common shape for the arrays in expression.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Common shape for the arrays in expression.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">start</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">stop</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">=</span> <span class="p">(</span><span class="kc">None</span><span class="p">,)</span> <span class="o">*</span> <span class="mi">3</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">start</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The start range selection for the input.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The start range selection for the input.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">stop</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The stop range selection for the input.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The stop range selection for the input.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The step range selection for the input.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The step range selection for the input.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">values</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The values of variables in expression (list).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The values of variables in expression (list).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_compiled_expr</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The compiled expression.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The compiled expression.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_single_row_out</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A sample of the output with just a single row.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A sample of the output with just a single row.&quot;&quot;&quot;</span>
 
         <span class="c1"># First, get the signature for the arrays in expression</span>
         <span class="n">vars_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_required_expr_vars</span><span class="p">(</span><span class="n">expr</span><span class="p">,</span> <span class="n">uservars</span><span class="p">)</span>
@@ -322,7 +318,7 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
     <span class="c1"># The next method is similar to their counterpart in `Table`, but</span>
     <span class="c1"># adapted to the `Expr` own requirements.</span>
     <span class="k">def</span> <span class="nf">_required_expr_vars</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">,</span> <span class="n">uservars</span><span class="p">,</span> <span class="n">depth</span><span class="o">=</span><span class="mi">2</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the variables required by the `expression`.</span>
+        <span class="sd">&quot;&quot;&quot;Get the variables required by the `expression`.</span>
 
 <span class="sd">        A new dictionary defining the variables used in the `expression`</span>
 <span class="sd">        is returned.  Required variables are first looked up in the</span>
@@ -398,10 +394,8 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
             <span class="n">reqvars</span><span class="p">[</span><span class="n">var</span><span class="p">]</span> <span class="o">=</span> <span class="n">val</span>
         <span class="k">return</span> <span class="n">reqvars</span>
 
-<div class="viewcode-block" id="Expr.set_inputs_range">
-<a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.set_inputs_range">[docs]</a>
-    <span class="k">def</span> <span class="nf">set_inputs_range</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Define a range for all inputs in expression.</span>
+<div class="viewcode-block" id="Expr.set_inputs_range"><a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.set_inputs_range">[docs]</a>    <span class="k">def</span> <span class="nf">set_inputs_range</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Define a range for all inputs in expression.</span>
 
 <span class="sd">        The computation will only take place for the range defined by</span>
 <span class="sd">        the start, stop and step parameters in the main dimension of</span>
@@ -416,11 +410,8 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">stop</span> <span class="o">=</span> <span class="n">stop</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">=</span> <span class="n">step</span></div>
 
-
-<div class="viewcode-block" id="Expr.set_output">
-<a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.set_output">[docs]</a>
-    <span class="k">def</span> <span class="nf">set_output</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">out</span><span class="p">,</span> <span class="n">append_mode</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set out as container for output as well as the append_mode.</span>
+<div class="viewcode-block" id="Expr.set_output"><a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.set_output">[docs]</a>    <span class="k">def</span> <span class="nf">set_output</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">out</span><span class="p">,</span> <span class="n">append_mode</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set out as container for output as well as the append_mode.</span>
 
 <span class="sd">        The out must be a container that is meant to keep the outcome of</span>
 <span class="sd">        the expression.  It should be an homogeneous type container and</span>
@@ -451,11 +442,8 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
                 <span class="s2">&quot;with an `append()` method (like the `EArray`)&quot;</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">append_mode</span> <span class="o">=</span> <span class="n">append_mode</span></div>
 
-
-<div class="viewcode-block" id="Expr.set_output_range">
-<a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.set_output_range">[docs]</a>
-    <span class="k">def</span> <span class="nf">set_output_range</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Define a range for user-provided output object.</span>
+<div class="viewcode-block" id="Expr.set_output_range"><a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.set_output_range">[docs]</a>    <span class="k">def</span> <span class="nf">set_output_range</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Define a range for user-provided output object.</span>
 
 <span class="sd">        The output object will only be modified in the range specified by the</span>
 <span class="sd">        start, stop and step parameters in the main dimension of output (or the</span>
@@ -471,11 +459,10 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">o_stop</span> <span class="o">=</span> <span class="n">stop</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">o_step</span> <span class="o">=</span> <span class="n">step</span></div>
 
-
     <span class="c1"># Although the next code is similar to the method in `Leaf`, it</span>
     <span class="c1"># allows the use of pure NumPy objects.</span>
     <span class="k">def</span> <span class="nf">_calc_nrowsinbuf</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">object_</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Calculate the number of rows that will fit in a buffer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Calculate the number of rows that will fit in a buffer.&quot;&quot;&quot;</span>
 
         <span class="c1"># Compute the rowsize for the *leading* dimension</span>
         <span class="n">shape_</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">object_</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
@@ -497,7 +484,7 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
             <span class="n">maxrowsize</span> <span class="o">=</span> <span class="n">BUFFER_TIMES</span> <span class="o">*</span> <span class="n">buffersize</span>
             <span class="k">if</span> <span class="n">rowsize</span> <span class="o">&gt;</span> <span class="n">maxrowsize</span><span class="p">:</span>
                 <span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s2">&quot;&quot;&quot;</span><span class="se">\</span>
-<span class="s2">The object ``</span><span class="si">%s</span><span class="s2">`` is exceeding the maximum recommended rowsize (</span><span class="si">%d</span>
+<span class="s2">The object ``</span><span class="si">%s</span><span class="s2">`` is exceeding the maximum recommended rowsize (</span><span class="si">%d</span><span class="s2"></span>
 <span class="s2">bytes); be ready to see PyTables asking for *lots* of memory and</span>
 <span class="s2">possibly slow I/O.  You may want to reduce the rowsize by trimming the</span>
 <span class="s2">value of dimensions that are orthogonal (and preferably close) to the</span>
@@ -508,7 +495,7 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">nrowsinbuf</span>
 
     <span class="k">def</span> <span class="nf">_guess_shape</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Guess the shape of the output of the expression.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Guess the shape of the output of the expression.&quot;&quot;&quot;</span>
 
         <span class="c1"># First, compute the maximum dimension of inputs and maindim</span>
         <span class="c1"># (if it exists)</span>
@@ -556,7 +543,7 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">shape</span><span class="p">,</span> <span class="n">maindim</span>
 
     <span class="k">def</span> <span class="nf">_get_info</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">maindim</span><span class="p">,</span> <span class="n">itermode</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return various info needed for evaluating the computation loop.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return various info needed for evaluating the computation loop.&quot;&quot;&quot;</span>
 
         <span class="c1"># Compute the shape of the resulting container having</span>
         <span class="c1"># in account new possible values of start, stop and step in</span>
@@ -634,10 +621,8 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
             <span class="c1"># For itermode, we don&#39;t need the out info</span>
             <span class="k">return</span> <span class="p">(</span><span class="n">i_nrows</span><span class="p">,</span> <span class="n">slice_pos</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">nrowsinbuf</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Expr.eval">
-<a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.eval">[docs]</a>
-    <span class="k">def</span> <span class="nf">eval</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Evaluate the expression and return the outcome.</span>
+<div class="viewcode-block" id="Expr.eval"><a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.eval">[docs]</a>    <span class="k">def</span> <span class="nf">eval</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Evaluate the expression and return the outcome.</span>
 
 <span class="sd">        Because of performance reasons, the computation order tries to go along</span>
 <span class="sd">        the common main dimension of all inputs.  If not such a common main</span>
@@ -731,11 +716,8 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">out</span></div>
 
-
-<div class="viewcode-block" id="Expr.__iter__">
-<a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.__iter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the rows of the outcome of the expression.</span>
+<div class="viewcode-block" id="Expr.__iter__"><a class="viewcode-back" href="../../usersguide/libref/expr_class.html#tables.Expr.__iter__">[docs]</a>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the rows of the outcome of the expression.</span>
 
 <span class="sd">        This iterator always returns rows as NumPy objects, so a possible out</span>
 <span class="sd">        container specified in :meth:`Expr.set_output` method is ignored here.</span>
@@ -786,9 +768,7 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
         <span class="c1"># Activate the conversion again (default)</span>
         <span class="k">for</span> <span class="n">val</span> <span class="ow">in</span> <span class="n">values</span><span class="p">:</span>
             <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">val</span><span class="p">,</span> <span class="s1">&#39;maindim&#39;</span><span class="p">):</span>
-                <span class="n">val</span><span class="o">.</span><span class="n">_v_convert</span> <span class="o">=</span> <span class="kc">True</span></div>
-</div>
-
+                <span class="n">val</span><span class="o">.</span><span class="n">_v_convert</span> <span class="o">=</span> <span class="kc">True</span></div></div>
 
 
 <span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s2">&quot;__main__&quot;</span><span class="p">:</span>
diff --git a/_modules/tables/file.html b/_modules/tables/file.html
index 78257fc..aa0a79a 100644
--- a/_modules/tables/file.html
+++ b/_modules/tables/file.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.file &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.file &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.file</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.file</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -256,10 +254,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                         <span class="nb">type</span><span class="p">(</span><span class="n">filters</span><span class="p">))</span>
 
 
-<div class="viewcode-block" id="copy_file">
-<a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.copy_file">[docs]</a>
-<span class="k">def</span> <span class="nf">copy_file</span><span class="p">(</span><span class="n">srcfilename</span><span class="p">,</span> <span class="n">dstfilename</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;An easy way of copying one PyTables file to another.</span>
+<div class="viewcode-block" id="copy_file"><a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.copy_file">[docs]</a><span class="k">def</span> <span class="nf">copy_file</span><span class="p">(</span><span class="n">srcfilename</span><span class="p">,</span> <span class="n">dstfilename</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;An easy way of copying one PyTables file to another.</span>
 
 <span class="sd">    This function allows you to copy an existing PyTables file named</span>
 <span class="sd">    srcfilename to another file called dstfilename. The source file</span>
@@ -286,17 +282,14 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">srcfileh</span><span class="o">.</span><span class="n">close</span><span class="p">()</span></div>
 
 
-
 <span class="n">hdf5_version_str</span> <span class="o">=</span> <span class="n">utilsextension</span><span class="o">.</span><span class="n">get_hdf5_version</span><span class="p">()</span>
 <span class="n">hdf5_version_tup</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="nb">int</span><span class="p">,</span> <span class="n">hdf5_version_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;-&#39;</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;.&#39;</span><span class="p">)))</span>
 <span class="n">_FILE_OPEN_POLICY</span> <span class="o">=</span> <span class="s1">&#39;strict&#39;</span> <span class="k">if</span> <span class="n">hdf5_version_tup</span> <span class="o">&lt;</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">8</span><span class="p">,</span> <span class="mi">7</span><span class="p">)</span> <span class="k">else</span> <span class="s1">&#39;default&#39;</span>
 
 
-<div class="viewcode-block" id="open_file">
-<a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.open_file">[docs]</a>
-<span class="k">def</span> <span class="nf">open_file</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s2">&quot;r&quot;</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">root_uep</span><span class="o">=</span><span class="s2">&quot;/&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="open_file"><a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.open_file">[docs]</a><span class="k">def</span> <span class="nf">open_file</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s2">&quot;r&quot;</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">root_uep</span><span class="o">=</span><span class="s2">&quot;/&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
               <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Open a PyTables (or generic HDF5) file and return a File object.</span>
+    <span class="sd">&quot;&quot;&quot;Open a PyTables (or generic HDF5) file and return a File object.</span>
 
 <span class="sd">    Parameters</span>
 <span class="sd">    ----------</span>
@@ -393,7 +386,6 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">File</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">mode</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">root_uep</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
 
-
 <span class="c1"># A dumb class that doesn&#39;t keep nothing at all</span>
 <span class="k">class</span> <span class="nc">_NoCache</span><span class="p">:</span>
     <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
@@ -520,13 +512,13 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                 <span class="n">cache</span><span class="p">[</span><span class="n">newkey</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span>
 
     <span class="k">def</span> <span class="nf">drop_from_cache</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">nodepath</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove the node from cache&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Remove the node from cache&quot;&quot;&quot;</span>
 
         <span class="c1"># Remove the node from the cache.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">cache</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">nodepath</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">drop_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node</span><span class="p">,</span> <span class="n">check_unregistered</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Drop the `node`.</span>
+        <span class="sd">&quot;&quot;&quot;Drop the `node`.</span>
 
 <span class="sd">        Remove the node from the cache and, if it has no more references,</span>
 <span class="sd">        close it.</span>
@@ -650,10 +642,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                 <span class="n">node</span><span class="o">.</span><span class="n">_f_close</span><span class="p">()</span>
 
 
-<div class="viewcode-block" id="File">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File">[docs]</a>
-<span class="k">class</span> <span class="nc">File</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">File</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;The in-memory representation of a PyTables file.</span>
+<div class="viewcode-block" id="File"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File">[docs]</a><span class="k">class</span> <span class="nc">File</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">File</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;The in-memory representation of a PyTables file.</span>
 
 <span class="sd">    An instance of this class is returned when a PyTables file is</span>
 <span class="sd">    opened with the :func:`tables.open_file` function. It offers methods</span>
@@ -782,7 +772,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">title</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The title of the root group in the file.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The title of the root group in the file.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="o">.</span><span class="n">_v_title</span>
 
     <span class="nd">@title</span><span class="o">.</span><span class="n">setter</span>
@@ -795,7 +785,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">filters</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Default filter properties for the root group</span>
+        <span class="sd">&quot;&quot;&quot;Default filter properties for the root group</span>
 <span class="sd">        (see :ref:`FiltersClassDescr`).&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">root</span><span class="o">.</span><span class="n">_v_filters</span>
 
@@ -811,10 +801,10 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                  <span class="n">root_uep</span><span class="o">=</span><span class="s2">&quot;/&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">filename</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">fspath</span><span class="p">(</span><span class="n">filename</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The name of the opened file.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The name of the opened file.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="o">=</span> <span class="n">mode</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The mode in which the file was opened.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The mode in which the file was opened.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">mode</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">&#39;r&#39;</span><span class="p">,</span> <span class="s1">&#39;r+&#39;</span><span class="p">,</span> <span class="s1">&#39;a&#39;</span><span class="p">,</span> <span class="s1">&#39;w&#39;</span><span class="p">):</span>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;invalid mode string ``</span><span class="si">%s</span><span class="s2">``. Allowed modes are: &quot;</span>
@@ -850,7 +840,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="n">new</span><span class="p">:</span>
             <span class="n">_checkfilters</span><span class="p">(</span><span class="n">filters</span><span class="p">)</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">format_version</span> <span class="o">=</span> <span class="n">format_version</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;The PyTables version number of this file.&quot;&quot;&quot;</span>
+            <span class="sd">&quot;&quot;&quot;The PyTables version number of this file.&quot;&quot;&quot;</span>
 
         <span class="c1"># The node manager must be initialized before the root group</span>
         <span class="c1"># initialization but the node_factory attribute is set onl later</span>
@@ -865,7 +855,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="c1"># It must be set before opening the root group</span>
         <span class="c1"># to allow some basic access to its attributes.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">isopen</span> <span class="o">=</span> <span class="mi">1</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;True if the underlying file os open, False otherwise.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;True if the underlying file os open, False otherwise.&quot;&quot;&quot;</span>
 
         <span class="c1"># Append the name of the file to the global dict of files opened.</span>
         <span class="n">_open_files</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
@@ -875,7 +865,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="c1"># Get the root group from this file</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">root</span> <span class="o">=</span> <span class="n">root</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">__get_root_group</span><span class="p">(</span><span class="n">root_uep</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The *root* of the object tree hierarchy (a Group instance).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The *root* of the object tree hierarchy (a Group instance).&quot;&quot;&quot;</span>
         <span class="c1"># Complete the creation of the root node</span>
         <span class="c1"># (see the explanation in ``RootGroup.__init__()``.</span>
         <span class="n">root</span><span class="o">.</span><span class="n">_g_post_init_hook</span><span class="p">()</span>
@@ -897,7 +887,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">ne</span><span class="o">.</span><span class="n">set_vml_num_threads</span><span class="p">(</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;MAX_NUMEXPR_THREADS&#39;</span><span class="p">])</span>
 
     <span class="k">def</span> <span class="nf">__get_root_group</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">root_uep</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Returns a Group instance which will act as the root group in the</span>
+        <span class="sd">&quot;&quot;&quot;Returns a Group instance which will act as the root group in the</span>
 <span class="sd">        hierarchical tree.</span>
 
 <span class="sd">        If file is opened in &quot;r&quot;, &quot;r+&quot; or &quot;a&quot; mode, and the file already</span>
@@ -933,7 +923,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">RootGroup</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">root_uep</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="n">title</span><span class="p">,</span> <span class="n">new</span><span class="o">=</span><span class="n">new</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="n">filters</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_get_or_create_path</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">create</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the given `path` or create it if `create` is true.</span>
+        <span class="sd">&quot;&quot;&quot;Get the given `path` or create it if `create` is true.</span>
 
 <span class="sd">        If `create` is true, `path` *must* be a string path and not a</span>
 <span class="sd">        node, otherwise a `TypeError`will be raised.</span>
@@ -946,7 +936,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_create_path</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create the groups needed for the `path` to exist.</span>
+        <span class="sd">&quot;&quot;&quot;Create the groups needed for the `path` to exist.</span>
 
 <span class="sd">        The group associated with the given `path` is returned.</span>
 
@@ -967,11 +957,9 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
             <span class="n">parent</span> <span class="o">=</span> <span class="n">child</span>
         <span class="k">return</span> <span class="n">parent</span>
 
-<div class="viewcode-block" id="File.create_group">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_group">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_group</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="File.create_group"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_group">[docs]</a>    <span class="k">def</span> <span class="nf">create_group</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                      <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new group.</span>
+        <span class="sd">&quot;&quot;&quot;Create a new group.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1006,14 +994,11 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">Group</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span>
                      <span class="n">title</span><span class="o">=</span><span class="n">title</span><span class="p">,</span> <span class="n">new</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="n">filters</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.create_table">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_table">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">description</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
+<div class="viewcode-block" id="File.create_table"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_table">[docs]</a>    <span class="k">def</span> <span class="nf">create_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">description</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
                      <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">expectedrows</span><span class="o">=</span><span class="mi">10_000</span><span class="p">,</span>
                      <span class="n">chunkshape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                      <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">obj</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new table with the given name in where location.</span>
+        <span class="sd">&quot;&quot;&quot;Create a new table with the given name in where location.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1131,13 +1116,10 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">ptobj</span></div>
 
-
-<div class="viewcode-block" id="File.create_array">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_array">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_array</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">obj</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
+<div class="viewcode-block" id="File.create_array"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_array">[docs]</a>    <span class="k">def</span> <span class="nf">create_array</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">obj</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
                      <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                      <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new array.</span>
+        <span class="sd">&quot;&quot;&quot;Create a new array.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1230,14 +1212,11 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                      <span class="n">obj</span><span class="o">=</span><span class="n">obj</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="n">title</span><span class="p">,</span> <span class="n">byteorder</span><span class="o">=</span><span class="n">byteorder</span><span class="p">,</span>
                      <span class="n">track_times</span><span class="o">=</span><span class="n">track_times</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.create_carray">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_carray">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_carray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
+<div class="viewcode-block" id="File.create_carray"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_carray">[docs]</a>    <span class="k">def</span> <span class="nf">create_carray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
                       <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">chunkshape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                       <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">obj</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                       <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new chunked array.</span>
+        <span class="sd">&quot;&quot;&quot;Create a new chunked array.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1349,14 +1328,11 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">ptobj</span></div>
 
-
-<div class="viewcode-block" id="File.create_earray">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_earray">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_earray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
+<div class="viewcode-block" id="File.create_earray"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_earray">[docs]</a>    <span class="k">def</span> <span class="nf">create_earray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
                       <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">expectedrows</span><span class="o">=</span><span class="mi">1000</span><span class="p">,</span>
                       <span class="n">chunkshape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                       <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">obj</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new enlargeable array.</span>
+        <span class="sd">&quot;&quot;&quot;Create a new enlargeable array.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1469,15 +1445,12 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">ptobj</span></div>
 
-
-<div class="viewcode-block" id="File.create_vlarray">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_vlarray">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_vlarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
+<div class="viewcode-block" id="File.create_vlarray"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_vlarray">[docs]</a>    <span class="k">def</span> <span class="nf">create_vlarray</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
                        <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">expectedrows</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                        <span class="n">chunkshape</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                        <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">obj</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                        <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new variable-length array.</span>
+        <span class="sd">&quot;&quot;&quot;Create a new variable-length array.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1584,11 +1557,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">ptobj</span></div>
 
-
-<div class="viewcode-block" id="File.create_hard_link">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_hard_link">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_hard_link</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a hard link.</span>
+<div class="viewcode-block" id="File.create_hard_link"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_hard_link">[docs]</a>    <span class="k">def</span> <span class="nf">create_hard_link</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Create a hard link.</span>
 
 <span class="sd">        Create a hard link to a `target` node with the given `name` in</span>
 <span class="sd">        `where` location.  `target` can be a node object or a path</span>
@@ -1608,11 +1578,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="c1"># Return the target node</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.create_soft_link">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_soft_link">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_soft_link</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a soft link (aka symbolic link) to a `target` node.</span>
+<div class="viewcode-block" id="File.create_soft_link"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_soft_link">[docs]</a>    <span class="k">def</span> <span class="nf">create_soft_link</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Create a soft link (aka symbolic link) to a `target` node.</span>
 
 <span class="sd">        Create a soft link (aka symbolic link) to a `target` nodewith</span>
 <span class="sd">        the given `name` in `where` location.  `target` can be a node</span>
@@ -1639,11 +1606,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">parentnode</span><span class="o">.</span><span class="n">_g_add_children_names</span><span class="p">()</span>
         <span class="k">return</span> <span class="n">slink</span></div>
 
-
-<div class="viewcode-block" id="File.create_external_link">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_external_link">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_external_link</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create an external link.</span>
+<div class="viewcode-block" id="File.create_external_link"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.create_external_link">[docs]</a>    <span class="k">def</span> <span class="nf">create_external_link</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Create an external link.</span>
 
 <span class="sd">        Create an external link to a *target* node with the given *name*</span>
 <span class="sd">        in *where* location.  *target* can be a node object in another</span>
@@ -1670,7 +1634,6 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">parentnode</span><span class="o">.</span><span class="n">_g_add_children_names</span><span class="p">()</span>
         <span class="k">return</span> <span class="n">elink</span></div>
 
-
     <span class="k">def</span> <span class="nf">_get_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">nodepath</span><span class="p">):</span>
         <span class="c1"># The root node is always at hand.</span>
         <span class="k">if</span> <span class="n">nodepath</span> <span class="o">==</span> <span class="s1">&#39;/&#39;</span><span class="p">:</span>
@@ -1681,10 +1644,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">node</span>
 
-<div class="viewcode-block" id="File.get_node">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.get_node">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the node under where with the given name.</span>
+<div class="viewcode-block" id="File.get_node"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.get_node">[docs]</a>    <span class="k">def</span> <span class="nf">get_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the node under where with the given name.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1752,11 +1713,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">node</span></div>
 
-
-<div class="viewcode-block" id="File.is_visible_node">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.is_visible_node">[docs]</a>
-    <span class="k">def</span> <span class="nf">is_visible_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is the node under `path` visible?</span>
+<div class="viewcode-block" id="File.is_visible_node"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.is_visible_node">[docs]</a>    <span class="k">def</span> <span class="nf">is_visible_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is the node under `path` visible?</span>
 
 <span class="sd">        If the node does not exist, a NoSuchNodeError is raised.</span>
 
@@ -1765,11 +1723,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="c1"># ``util.isvisiblepath()`` is still recommended for internal use.</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">path</span><span class="p">)</span><span class="o">.</span><span class="n">_f_isvisible</span><span class="p">()</span></div>
 
-
-<div class="viewcode-block" id="File.rename_node">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.rename_node">[docs]</a>
-    <span class="k">def</span> <span class="nf">rename_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Change the name of the node specified by where and name to newname.</span>
+<div class="viewcode-block" id="File.rename_node"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.rename_node">[docs]</a>    <span class="k">def</span> <span class="nf">rename_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Change the name of the node specified by where and name to newname.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1787,12 +1742,9 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">)</span>
         <span class="n">obj</span><span class="o">.</span><span class="n">_f_rename</span><span class="p">(</span><span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.move_node">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.move_node">[docs]</a>
-    <span class="k">def</span> <span class="nf">move_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="File.move_node"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.move_node">[docs]</a>    <span class="k">def</span> <span class="nf">move_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                   <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Move the node specified by where and name to newparent/newname.</span>
+        <span class="sd">&quot;&quot;&quot;Move the node specified by where and name to newparent/newname.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1819,13 +1771,10 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">)</span>
         <span class="n">obj</span><span class="o">.</span><span class="n">_f_move</span><span class="p">(</span><span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="p">,</span> <span class="n">createparents</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.copy_node">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_node">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="File.copy_node"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_node">[docs]</a>    <span class="k">def</span> <span class="nf">copy_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                   <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                   <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy the node specified by where and name to newparent/newname.</span>
+        <span class="sd">&quot;&quot;&quot;Copy the node specified by where and name to newparent/newname.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1884,11 +1833,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">obj</span><span class="o">.</span><span class="n">_f_copy</span><span class="p">(</span><span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span>
                            <span class="n">overwrite</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="n">createparents</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.remove_node">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.remove_node">[docs]</a>
-    <span class="k">def</span> <span class="nf">remove_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove the object node *name* under *where* location.</span>
+<div class="viewcode-block" id="File.remove_node"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.remove_node">[docs]</a>    <span class="k">def</span> <span class="nf">remove_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Remove the object node *name* under *where* location.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1907,11 +1853,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">)</span>
         <span class="n">obj</span><span class="o">.</span><span class="n">_f_remove</span><span class="p">(</span><span class="n">recursive</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.get_node_attr">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.get_node_attr">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_node_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">attrname</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a PyTables attribute from the given node.</span>
+<div class="viewcode-block" id="File.get_node_attr"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.get_node_attr">[docs]</a>    <span class="k">def</span> <span class="nf">get_node_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">attrname</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a PyTables attribute from the given node.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1927,11 +1870,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">obj</span><span class="o">.</span><span class="n">_f_getattr</span><span class="p">(</span><span class="n">attrname</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.set_node_attr">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.set_node_attr">[docs]</a>
-    <span class="k">def</span> <span class="nf">set_node_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">attrname</span><span class="p">,</span> <span class="n">attrvalue</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a PyTables attribute for the given node.</span>
+<div class="viewcode-block" id="File.set_node_attr"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.set_node_attr">[docs]</a>    <span class="k">def</span> <span class="nf">set_node_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">attrname</span><span class="p">,</span> <span class="n">attrvalue</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a PyTables attribute for the given node.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1958,11 +1898,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">)</span>
         <span class="n">obj</span><span class="o">.</span><span class="n">_f_setattr</span><span class="p">(</span><span class="n">attrname</span><span class="p">,</span> <span class="n">attrvalue</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.del_node_attr">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.del_node_attr">[docs]</a>
-    <span class="k">def</span> <span class="nf">del_node_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">attrname</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Delete a PyTables attribute from the given node.</span>
+<div class="viewcode-block" id="File.del_node_attr"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.del_node_attr">[docs]</a>    <span class="k">def</span> <span class="nf">del_node_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">attrname</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Delete a PyTables attribute from the given node.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1978,11 +1915,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="n">name</span><span class="p">)</span>
         <span class="n">obj</span><span class="o">.</span><span class="n">_f_delattr</span><span class="p">(</span><span class="n">attrname</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.copy_node_attrs">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_node_attrs">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy_node_attrs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">dstnode</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy PyTables attributes from one node to another.</span>
+<div class="viewcode-block" id="File.copy_node_attrs"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_node_attrs">[docs]</a>    <span class="k">def</span> <span class="nf">copy_node_attrs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">dstnode</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Copy PyTables attributes from one node to another.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -1999,13 +1933,10 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">dstobject</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_node</span><span class="p">(</span><span class="n">dstnode</span><span class="p">)</span>
         <span class="n">srcobject</span><span class="o">.</span><span class="n">_v_attrs</span><span class="o">.</span><span class="n">_f_copy</span><span class="p">(</span><span class="n">dstobject</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.copy_children">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_children">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy_children</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">srcgroup</span><span class="p">,</span> <span class="n">dstgroup</span><span class="p">,</span>
+<div class="viewcode-block" id="File.copy_children"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_children">[docs]</a>    <span class="k">def</span> <span class="nf">copy_children</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">srcgroup</span><span class="p">,</span> <span class="n">dstgroup</span><span class="p">,</span>
                       <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                       <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy the children of a group into another group.</span>
+        <span class="sd">&quot;&quot;&quot;Copy the children of a group into another group.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -2035,11 +1966,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="n">srcgroup</span><span class="o">.</span><span class="n">_f_copy_children</span><span class="p">(</span>
             <span class="n">dstgroup</span><span class="p">,</span> <span class="n">overwrite</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="n">createparents</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.copy_file">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_file">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy_file</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dstfilename</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy the contents of this file to dstfilename.</span>
+<div class="viewcode-block" id="File.copy_file"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.copy_file">[docs]</a>    <span class="k">def</span> <span class="nf">copy_file</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dstfilename</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Copy the contents of this file to dstfilename.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -2112,11 +2040,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">finally</span><span class="p">:</span>
             <span class="n">dstfileh</span><span class="o">.</span><span class="n">close</span><span class="p">()</span></div>
 
-
-<div class="viewcode-block" id="File.list_nodes">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.list_nodes">[docs]</a>
-    <span class="k">def</span> <span class="nf">list_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a *list* with children nodes hanging from where.</span>
+<div class="viewcode-block" id="File.list_nodes"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.list_nodes">[docs]</a>    <span class="k">def</span> <span class="nf">list_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a *list* with children nodes hanging from where.</span>
 
 <span class="sd">        This is a list-returning version of :meth:`File.iter_nodes`.</span>
 
@@ -2127,11 +2052,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">group</span><span class="o">.</span><span class="n">_f_list_nodes</span><span class="p">(</span><span class="n">classname</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.iter_nodes">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.iter_nodes">[docs]</a>
-    <span class="k">def</span> <span class="nf">iter_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over children nodes hanging from where.</span>
+<div class="viewcode-block" id="File.iter_nodes"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.iter_nodes">[docs]</a>    <span class="k">def</span> <span class="nf">iter_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over children nodes hanging from where.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -2155,11 +2077,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">group</span><span class="o">.</span><span class="n">_f_iter_nodes</span><span class="p">(</span><span class="n">classname</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.__contains__">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__contains__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is there a node with that path?</span>
+<div class="viewcode-block" id="File.__contains__"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__contains__">[docs]</a>    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is there a node with that path?</span>
 
 <span class="sd">        Returns True if the file has a node with the given path (a</span>
 <span class="sd">        string), False otherwise.</span>
@@ -2173,11 +2092,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="kc">True</span></div>
 
-
-<div class="viewcode-block" id="File.__iter__">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__iter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recursively iterate over the nodes in the tree.</span>
+<div class="viewcode-block" id="File.__iter__"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__iter__">[docs]</a>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recursively iterate over the nodes in the tree.</span>
 
 <span class="sd">        This is equivalent to calling :meth:`File.walk_nodes` with no</span>
 <span class="sd">        arguments.</span>
@@ -2197,11 +2113,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">walk_nodes</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.walk_nodes">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.walk_nodes">[docs]</a>
-    <span class="k">def</span> <span class="nf">walk_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="o">=</span><span class="s2">&quot;/&quot;</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recursively iterate over nodes hanging from where.</span>
+<div class="viewcode-block" id="File.walk_nodes"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.walk_nodes">[docs]</a>    <span class="k">def</span> <span class="nf">walk_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="o">=</span><span class="s2">&quot;/&quot;</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recursively iterate over nodes hanging from where.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -2244,11 +2157,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
             <span class="k">for</span> <span class="n">group</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">walk_groups</span><span class="p">(</span><span class="n">where</span><span class="p">):</span>
                 <span class="k">yield from</span> <span class="bp">self</span><span class="o">.</span><span class="n">iter_nodes</span><span class="p">(</span><span class="n">group</span><span class="p">,</span> <span class="n">classname</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.walk_groups">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.walk_groups">[docs]</a>
-    <span class="k">def</span> <span class="nf">walk_groups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="o">=</span><span class="s2">&quot;/&quot;</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recursively iterate over groups (not leaves) hanging from where.</span>
+<div class="viewcode-block" id="File.walk_groups"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.walk_groups">[docs]</a>    <span class="k">def</span> <span class="nf">walk_groups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="o">=</span><span class="s2">&quot;/&quot;</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recursively iterate over groups (not leaves) hanging from where.</span>
 
 <span class="sd">        The where group itself is listed first (preorder), then each of its</span>
 <span class="sd">        child groups (following an alphanumerical order) is also traversed,</span>
@@ -2264,9 +2174,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_check_group</span><span class="p">(</span><span class="n">group</span><span class="p">)</span>  <span class="c1"># Is it a group?</span>
         <span class="k">return</span> <span class="n">group</span><span class="o">.</span><span class="n">_f_walk_groups</span><span class="p">()</span></div>
 
-
     <span class="k">def</span> <span class="nf">_check_open</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Check the state of the file.</span>
+        <span class="sd">&quot;&quot;&quot;Check the state of the file.</span>
 
 <span class="sd">        If the file is closed, a `ClosedFileError` is raised.</span>
 
@@ -2276,12 +2185,12 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="n">ClosedFileError</span><span class="p">(</span><span class="s2">&quot;the file object is closed&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_iswritable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this file writable?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this file writable?&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">mode</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">&#39;w&#39;</span><span class="p">,</span> <span class="s1">&#39;a&#39;</span><span class="p">,</span> <span class="s1">&#39;r+&#39;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_check_writable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Check whether the file is writable.</span>
+        <span class="sd">&quot;&quot;&quot;Check whether the file is writable.</span>
 
 <span class="sd">        If the file is not writable, a `FileModeError` is raised.</span>
 
@@ -2295,10 +2204,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">Group</span><span class="p">):</span>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;node ``</span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">_v_pathname</span><span class="si">}</span><span class="s2">`` is not a group&quot;</span><span class="p">)</span>
 
-<div class="viewcode-block" id="File.is_undo_enabled">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.is_undo_enabled">[docs]</a>
-    <span class="k">def</span> <span class="nf">is_undo_enabled</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is the Undo/Redo mechanism enabled?</span>
+<div class="viewcode-block" id="File.is_undo_enabled"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.is_undo_enabled">[docs]</a>    <span class="k">def</span> <span class="nf">is_undo_enabled</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is the Undo/Redo mechanism enabled?</span>
 
 <span class="sd">        Returns True if the Undo/Redo mechanism has been enabled for</span>
 <span class="sd">        this file, False otherwise. Please note that this mechanism is</span>
@@ -2310,7 +2217,6 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_check_open</span><span class="p">()</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_undoEnabled</span></div>
 
-
     <span class="k">def</span> <span class="nf">_check_undo_enabled</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_undoEnabled</span><span class="p">:</span>
             <span class="k">raise</span> <span class="n">UndoRedoError</span><span class="p">(</span><span class="s2">&quot;Undo/Redo feature is currently disabled!&quot;</span><span class="p">)</span>
@@ -2333,10 +2239,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
             <span class="n">trans</span><span class="p">,</span> <span class="n">_markName</span> <span class="o">%</span> <span class="n">mid</span><span class="p">,</span>
             <span class="s2">&quot;Mark number </span><span class="si">%d</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">mid</span><span class="p">,</span> <span class="n">new</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
 
-<div class="viewcode-block" id="File.enable_undo">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.enable_undo">[docs]</a>
-    <span class="k">def</span> <span class="nf">enable_undo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="n">Filters</span><span class="p">(</span><span class="n">complevel</span><span class="o">=</span><span class="mi">1</span><span class="p">)):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Enable the Undo/Redo mechanism.</span>
+<div class="viewcode-block" id="File.enable_undo"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.enable_undo">[docs]</a>    <span class="k">def</span> <span class="nf">enable_undo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="n">Filters</span><span class="p">(</span><span class="n">complevel</span><span class="o">=</span><span class="mi">1</span><span class="p">)):</span>
+        <span class="sd">&quot;&quot;&quot;Enable the Undo/Redo mechanism.</span>
 
 <span class="sd">        This operation prepares the database for undoing and redoing</span>
 <span class="sd">        modifications in the node hierarchy. This</span>
@@ -2430,11 +2334,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="c1"># The Undo/Redo mechanism has been enabled.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_undoEnabled</span> <span class="o">=</span> <span class="kc">True</span></div>
 
-
-<div class="viewcode-block" id="File.disable_undo">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.disable_undo">[docs]</a>
-    <span class="k">def</span> <span class="nf">disable_undo</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Disable the Undo/Redo mechanism.</span>
+<div class="viewcode-block" id="File.disable_undo"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.disable_undo">[docs]</a>    <span class="k">def</span> <span class="nf">disable_undo</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Disable the Undo/Redo mechanism.</span>
 
 <span class="sd">        Disabling the Undo/Redo mechanism leaves the database in the</span>
 <span class="sd">        current state and forgets past and future database states. This</span>
@@ -2468,11 +2369,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="c1"># The Undo/Redo mechanism has been disabled.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_undoEnabled</span> <span class="o">=</span> <span class="kc">False</span></div>
 
-
-<div class="viewcode-block" id="File.mark">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.mark">[docs]</a>
-    <span class="k">def</span> <span class="nf">mark</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Mark the state of the database.</span>
+<div class="viewcode-block" id="File.mark"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.mark">[docs]</a>    <span class="k">def</span> <span class="nf">mark</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Mark the state of the database.</span>
 
 <span class="sd">        Creates a mark for the current state of the database. A unique (and</span>
 <span class="sd">        immutable) identifier for the mark is returned. An optional name (a</span>
@@ -2514,9 +2412,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_create_mark</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_trans</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_curmark</span><span class="p">)</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_curmark</span></div>
 
-
     <span class="k">def</span> <span class="nf">_log</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">action</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Log an action.</span>
+        <span class="sd">&quot;&quot;&quot;Log an action.</span>
 
 <span class="sd">        The `action` must be an all-uppercase string identifying it.</span>
 <span class="sd">        Arguments must also be strings.</span>
@@ -2573,7 +2470,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_curaction</span> <span class="o">+=</span> <span class="mi">1</span>
 
     <span class="k">def</span> <span class="nf">_get_mark_id</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mark</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get an integer markid from a mark sequence number or name.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get an integer markid from a mark sequence number or name.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mark</span><span class="p">,</span> <span class="nb">int</span><span class="p">):</span>
             <span class="n">markid</span> <span class="o">=</span> <span class="n">mark</span>
@@ -2591,7 +2488,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">markid</span>
 
     <span class="k">def</span> <span class="nf">_get_final_action</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">markid</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the action to go.</span>
+        <span class="sd">&quot;&quot;&quot;Get the action to go.</span>
 
 <span class="sd">        It does not touch the self private attributes</span>
 
@@ -2609,7 +2506,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_seqmarkers</span><span class="p">[</span><span class="n">markid</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">_doundo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">finalaction</span><span class="p">,</span> <span class="n">direction</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Undo/Redo actions up to final action in the specificed direction.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Undo/Redo actions up to final action in the specificed direction.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">direction</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">:</span>
             <span class="n">actionlog</span> <span class="o">=</span> \
@@ -2657,10 +2554,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                         <span class="bp">self</span><span class="o">.</span><span class="n">_curmark</span> <span class="o">=</span> <span class="mi">0</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_curaction</span> <span class="o">+=</span> <span class="n">direction</span>
 
-<div class="viewcode-block" id="File.undo">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.undo">[docs]</a>
-    <span class="k">def</span> <span class="nf">undo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mark</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Go to a past state of the database.</span>
+<div class="viewcode-block" id="File.undo"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.undo">[docs]</a>    <span class="k">def</span> <span class="nf">undo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mark</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Go to a past state of the database.</span>
 
 <span class="sd">        Returns the database to the state associated with the specified mark.</span>
 <span class="sd">        Both the identifier of a mark and its name can be used. If the mark is</span>
@@ -2702,14 +2597,11 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_curaction</span> <span class="o">&lt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">_actionlog</span><span class="o">.</span><span class="n">nrows</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_curaction</span> <span class="o">+=</span> <span class="mi">1</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_curmark</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_actionlog</span><span class="o">.</span><span class="n">cols</span><span class="o">.</span><span class="n">arg1</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_curaction</span><span class="p">])</span></div>
-
 <span class="c1">#         print(&quot;(post)UNDO: (curaction, curmark) = (%s,%s)&quot; % \</span>
 <span class="c1">#               (self._curaction, self._curmark))</span>
 
-<div class="viewcode-block" id="File.redo">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.redo">[docs]</a>
-    <span class="k">def</span> <span class="nf">redo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mark</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Go to a future state of the database.</span>
+<div class="viewcode-block" id="File.redo"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.redo">[docs]</a>    <span class="k">def</span> <span class="nf">redo</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mark</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Go to a future state of the database.</span>
 
 <span class="sd">        Returns the database to the state associated with the specified</span>
 <span class="sd">        mark.  Both the identifier of a mark and its name can be used.</span>
@@ -2755,14 +2647,11 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_curmark</span> <span class="o">+=</span> <span class="mi">1</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_curaction</span> <span class="o">&gt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">_actionlog</span><span class="o">.</span><span class="n">nrows</span> <span class="o">-</span> <span class="mi">1</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_curaction</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_actionlog</span><span class="o">.</span><span class="n">nrows</span> <span class="o">-</span> <span class="mi">1</span></div>
-
 <span class="c1">#         print(&quot;(post)REDO: (curaction, curmark) = (%s,%s)&quot; % \</span>
 <span class="c1">#               (self._curaction, self._curmark))</span>
 
-<div class="viewcode-block" id="File.goto">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.goto">[docs]</a>
-    <span class="k">def</span> <span class="nf">goto</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mark</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Go to a specific mark of the database.</span>
+<div class="viewcode-block" id="File.goto"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.goto">[docs]</a>    <span class="k">def</span> <span class="nf">goto</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mark</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Go to a specific mark of the database.</span>
 
 <span class="sd">        Returns the database to the state associated with the specified mark.</span>
 <span class="sd">        Both the identifier of a mark and its name can be used.</span>
@@ -2785,11 +2674,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">redo</span><span class="p">(</span><span class="n">mark</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.get_current_mark">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.get_current_mark">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_current_mark</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the identifier of the current mark.</span>
+<div class="viewcode-block" id="File.get_current_mark"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.get_current_mark">[docs]</a>    <span class="k">def</span> <span class="nf">get_current_mark</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the identifier of the current mark.</span>
 
 <span class="sd">        Returns the identifier of the current mark. This can be used</span>
 <span class="sd">        to know the state of a database after an application crash, or to</span>
@@ -2806,9 +2692,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_check_undo_enabled</span><span class="p">()</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_curmark</span></div>
 
-
     <span class="k">def</span> <span class="nf">_shadow_name</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Compute and return a shadow name.</span>
+        <span class="sd">&quot;&quot;&quot;Compute and return a shadow name.</span>
 
 <span class="sd">        Computes the current shadow name according to the current</span>
 <span class="sd">        transaction, mark and action.  It returns a tuple with the</span>
@@ -2822,10 +2707,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 
-<div class="viewcode-block" id="File.flush">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.flush">[docs]</a>
-    <span class="k">def</span> <span class="nf">flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Flush all the alive leaves in the object tree.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="File.flush"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.flush">[docs]</a>    <span class="k">def</span> <span class="nf">flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Flush all the alive leaves in the object tree.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_check_open</span><span class="p">()</span>
 
@@ -2833,11 +2716,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_node_manager</span><span class="o">.</span><span class="n">flush_nodes</span><span class="p">()</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_flush_file</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>  <span class="c1"># 0 means local scope, 1 global (virtual) scope</span></div>
 
-
-<div class="viewcode-block" id="File.close">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.close">[docs]</a>
-    <span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Flush all the alive leaves in object tree and close the file.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="File.close"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.close">[docs]</a>    <span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Flush all the alive leaves in object tree and close the file.&quot;&quot;&quot;</span>
 
         <span class="c1"># If the file is already closed, return immediately</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">isopen</span><span class="p">:</span>
@@ -2888,28 +2768,19 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
         <span class="c1"># Delete the entry from he registry of opened files</span>
         <span class="n">_open_files</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="File.__enter__">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__enter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__enter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Enter a context and return the same file.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="File.__enter__"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__enter__">[docs]</a>    <span class="k">def</span> <span class="fm">__enter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Enter a context and return the same file.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span></div>
 
-
-<div class="viewcode-block" id="File.__exit__">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__exit__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__exit__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">exc_info</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Exit a context and close the file.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="File.__exit__"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__exit__">[docs]</a>    <span class="k">def</span> <span class="fm">__exit__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">exc_info</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Exit a context and close the file.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
         <span class="k">return</span> <span class="kc">False</span>  <span class="c1"># do not hide exceptions</span></div>
 
-
-<div class="viewcode-block" id="File.__str__">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__str__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a short string representation of the object tree.</span>
+<div class="viewcode-block" id="File.__str__"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__str__">[docs]</a>    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a short string representation of the object tree.</span>
 
 <span class="sd">        Examples</span>
 <span class="sd">        --------</span>
@@ -2954,11 +2825,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                     <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">node</span><span class="si">}</span><span class="s1">&#39;</span><span class="p">)</span>
         <span class="k">return</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> <span class="o">+</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">&#39;</span></div>
 
-
-<div class="viewcode-block" id="File.__repr__">
-<a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__repr__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a detailed string representation of the object tree.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="File.__repr__"><a class="viewcode-back" href="../../usersguide/libref/file_class.html#tables.File.__repr__">[docs]</a>    <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a detailed string representation of the object tree.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">isopen</span><span class="p">:</span>
             <span class="k">return</span> <span class="s2">&quot;&lt;closed File&gt;&quot;</span>
@@ -2975,9 +2843,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                     <span class="n">lines</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">node</span><span class="si">!r}</span><span class="s1">&#39;</span><span class="p">)</span>
         <span class="k">return</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> <span class="o">+</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">&#39;</span></div>
 
-
     <span class="k">def</span> <span class="nf">_update_node_locations</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">oldpath</span><span class="p">,</span> <span class="n">newpath</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Update location information of nodes under `oldpath`.</span>
+        <span class="sd">&quot;&quot;&quot;Update location information of nodes under `oldpath`.</span>
 
 <span class="sd">        This only affects *already loaded* nodes.</span>
 
@@ -2997,7 +2864,6 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
                     <span class="n">descendent_node</span><span class="o">.</span><span class="n">_g_update_location</span><span class="p">(</span><span class="n">newnodeppath</span><span class="p">)</span></div>
 
 
-
 <span class="c1"># If a user hits ^C during a run, it is wise to gracefully close the</span>
 <span class="c1"># opened files.</span>
 <span class="n">atexit</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">_open_files</span><span class="o">.</span><span class="n">close_all</span><span class="p">)</span>
diff --git a/_modules/tables/filters.html b/_modules/tables/filters.html
index 771758d..de6a755 100644
--- a/_modules/tables/filters.html
+++ b/_modules/tables/filters.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.filters &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.filters &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.filters</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.filters</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -136,10 +134,8 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
 <span class="n">_bitshuffle_flag</span> <span class="o">=</span> <span class="mh">0x8</span>
 
 
-<div class="viewcode-block" id="Filters">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.Filters">[docs]</a>
-<span class="k">class</span> <span class="nc">Filters</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Container for filter properties.</span>
+<div class="viewcode-block" id="Filters"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.Filters">[docs]</a><span class="k">class</span> <span class="nc">Filters</span><span class="p">:</span>
+    <span class="sd">&quot;&quot;&quot;Container for filter properties.</span>
 
 <span class="sd">    This class is meant to serve as a container that keeps information about</span>
 <span class="sd">    the filter properties associated with the chunked leaves, that is Table,</span>
@@ -262,7 +258,7 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">shuffle_bitshuffle</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Encode NoShuffle (0), Shuffle (1) and BitShuffle (2) filters.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Encode NoShuffle (0), Shuffle (1) and BitShuffle (2) filters.&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shuffle</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">bitshuffle</span><span class="p">):</span>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
                 <span class="s2">&quot;Shuffle and BitShuffle cannot be active at the same time&quot;</span><span class="p">)</span>
@@ -318,7 +314,7 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
 
     <span class="nd">@classmethod</span>
     <span class="k">def</span> <span class="nf">_unpack</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">packed</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new `Filters` object from a packed version.</span>
+        <span class="sd">&quot;&quot;&quot;Create a new `Filters` object from a packed version.</span>
 
 <span class="sd">        &gt;&gt;&gt; Filters._unpack(0)</span>
 <span class="sd">        Filters(complevel=0, shuffle=False, bitshuffle=False, fletcher32=False, least_significant_digit=None)</span>
@@ -368,7 +364,7 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">cls</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_pack</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Pack the `Filters` object into a 64-bit NumPy integer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Pack the `Filters` object into a 64-bit NumPy integer.&quot;&quot;&quot;</span>
 
         <span class="n">packed</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">int64</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
 
@@ -437,18 +433,18 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
             <span class="n">complevel</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">complevel</span> <span class="o">=</span> <span class="n">complevel</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The compression level (0 disables compression).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The compression level (0 disables compression).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">complib</span> <span class="o">=</span> <span class="n">complib</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The compression filter used (irrelevant when compression is</span>
+        <span class="sd">&quot;&quot;&quot;The compression filter used (irrelevant when compression is</span>
 <span class="sd">        not enabled).</span>
 <span class="sd">        &quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">shuffle</span> <span class="o">=</span> <span class="n">shuffle</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the *Shuffle* filter is active or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether the *Shuffle* filter is active or not.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">bitshuffle</span> <span class="o">=</span> <span class="n">bitshuffle</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the *BitShuffle* filter is active or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether the *BitShuffle* filter is active or not.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">complib</span> <span class="ow">and</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">bitshuffle</span> <span class="ow">and</span>
@@ -460,10 +456,10 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">shuffle</span> <span class="o">=</span> <span class="kc">False</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">fletcher32</span> <span class="o">=</span> <span class="n">fletcher32</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the *Fletcher32* filter is active or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether the *Fletcher32* filter is active or not.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">least_significant_digit</span> <span class="o">=</span> <span class="n">least_significant_digit</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The least significant digit to which data shall be truncated.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The least significant digit to which data shall be truncated.&quot;&quot;&quot;</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="n">args</span> <span class="o">=</span> <span class="p">[]</span>
@@ -494,10 +490,8 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
     <span class="c1">#    return hash((self.__class__, self.complevel, self.complib,</span>
     <span class="c1">#                 self.shuffle, self.bitshuffle, self.fletcher32))</span>
 
-<div class="viewcode-block" id="Filters.copy">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.Filters.copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">override</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a copy of the filters, possibly overriding some arguments.</span>
+<div class="viewcode-block" id="Filters.copy"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.Filters.copy">[docs]</a>    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">override</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a copy of the filters, possibly overriding some arguments.</span>
 
 <span class="sd">        Constructor arguments to be overridden must be passed as keyword</span>
 <span class="sd">        arguments.</span>
@@ -530,13 +524,11 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
 
         <span class="n">newargs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
         <span class="n">newargs</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">override</span><span class="p">)</span>
-        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="p">(</span><span class="o">**</span><span class="n">newargs</span><span class="p">)</span></div>
-</div>
-
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="p">(</span><span class="o">**</span><span class="n">newargs</span><span class="p">)</span></div></div>
 
 
 <span class="k">def</span> <span class="nf">_test</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Run ``doctest`` on this module.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Run ``doctest`` on this module.&quot;&quot;&quot;</span>
 
     <span class="kn">import</span> <span class="nn">doctest</span>
     <span class="n">doctest</span><span class="o">.</span><span class="n">testmod</span><span class="p">()</span>
diff --git a/_modules/tables/flavor.html b/_modules/tables/flavor.html
index 838efe1..0140c32 100644
--- a/_modules/tables/flavor.html
+++ b/_modules/tables/flavor.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.flavor &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.flavor &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.flavor</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.flavor</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -176,7 +174,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">check_flavor</span><span class="p">(</span><span class="n">flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Raise a ``FlavorError`` if the `flavor` is not valid.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Raise a ``FlavorError`` if the `flavor` is not valid.&quot;&quot;&quot;</span>
 
     <span class="k">if</span> <span class="n">flavor</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">all_flavors</span><span class="p">:</span>
         <span class="n">available_flavs</span> <span class="o">=</span> <span class="s2">&quot;, &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">flav</span> <span class="k">for</span> <span class="n">flav</span> <span class="ow">in</span> <span class="n">all_flavors</span><span class="p">)</span>
@@ -187,7 +185,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">array_of_flavor2</span><span class="p">(</span><span class="n">array</span><span class="p">,</span> <span class="n">src_flavor</span><span class="p">,</span> <span class="n">dst_flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different flavor.</span>
+    <span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different flavor.</span>
 
 <span class="sd">    The input `array` must be of the given `src_flavor`, and the</span>
 <span class="sd">    returned array will be of the indicated `dst_flavor`.  Both</span>
@@ -210,7 +208,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">flavor_to_flavor</span><span class="p">(</span><span class="n">array</span><span class="p">,</span> <span class="n">src_flavor</span><span class="p">,</span> <span class="n">dst_flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different flavor.</span>
+    <span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different flavor.</span>
 
 <span class="sd">    The input `array` must be of the given `src_flavor`, and the</span>
 <span class="sd">    returned array will be of the indicated `dst_flavor` (see below</span>
@@ -232,7 +230,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">internal_to_flavor</span><span class="p">(</span><span class="n">array</span><span class="p">,</span> <span class="n">dst_flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different `dst_flavor`.</span>
+    <span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different `dst_flavor`.</span>
 
 <span class="sd">    The input `array` must be of the internal flavor, and the returned</span>
 <span class="sd">    array will be of the given `dst_flavor`.  See `flavor_to_flavor()`</span>
@@ -244,7 +242,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">array_as_internal</span><span class="p">(</span><span class="n">array</span><span class="p">,</span> <span class="n">src_flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Get a version of the given `array` in the internal flavor.</span>
+    <span class="sd">&quot;&quot;&quot;Get a version of the given `array` in the internal flavor.</span>
 
 <span class="sd">    The input `array` must be of the given `src_flavor`, and the</span>
 <span class="sd">    returned array will be of the internal flavor.</span>
@@ -257,7 +255,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">flavor_of</span><span class="p">(</span><span class="n">array</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Identify the flavor of a given `array`.</span>
+    <span class="sd">&quot;&quot;&quot;Identify the flavor of a given `array`.</span>
 
 <span class="sd">    If the `array` can not be matched with any flavor, a ``TypeError``</span>
 <span class="sd">    is raised.</span>
@@ -275,7 +273,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">array_of_flavor</span><span class="p">(</span><span class="n">array</span><span class="p">,</span> <span class="n">dst_flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different `dst_flavor`.</span>
+    <span class="sd">&quot;&quot;&quot;Get a version of the given `array` in a different `dst_flavor`.</span>
 
 <span class="sd">    The flavor of the input `array` is guessed, and the returned array</span>
 <span class="sd">    will be of the given `dst_flavor`.</span>
@@ -287,10 +285,8 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">array_of_flavor2</span><span class="p">(</span><span class="n">array</span><span class="p">,</span> <span class="n">flavor_of</span><span class="p">(</span><span class="n">array</span><span class="p">),</span> <span class="n">dst_flavor</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="restrict_flavors">
-<a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.restrict_flavors">[docs]</a>
-<span class="k">def</span> <span class="nf">restrict_flavors</span><span class="p">(</span><span class="n">keep</span><span class="o">=</span><span class="p">(</span><span class="s1">&#39;python&#39;</span><span class="p">,)):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Disable all flavors except those in keep.</span>
+<div class="viewcode-block" id="restrict_flavors"><a class="viewcode-back" href="../../usersguide/libref/top_level.html#tables.restrict_flavors">[docs]</a><span class="k">def</span> <span class="nf">restrict_flavors</span><span class="p">(</span><span class="n">keep</span><span class="o">=</span><span class="p">(</span><span class="s1">&#39;python&#39;</span><span class="p">,)):</span>
+    <span class="sd">&quot;&quot;&quot;Disable all flavors except those in keep.</span>
 
 <span class="sd">    Providing an empty keep sequence implies disabling all flavors (but the</span>
 <span class="sd">    internal one).  If the sequence is not specified, only optional flavors are</span>
@@ -305,7 +301,6 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
         <span class="n">_disable_flavor</span><span class="p">(</span><span class="n">flavor</span><span class="p">)</span></div>
 
 
-
 <span class="c1"># Flavor registration</span>
 <span class="c1">#</span>
 <span class="c1"># The order in which flavors appear in `all_flavors` determines the</span>
@@ -317,7 +312,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_register_aliases</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Register aliases of *available* flavors.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Register aliases of *available* flavors.&quot;&quot;&quot;</span>
 
     <span class="k">for</span> <span class="n">flavor</span> <span class="ow">in</span> <span class="n">all_flavors</span><span class="p">:</span>
         <span class="n">aliases</span> <span class="o">=</span> <span class="nb">eval</span><span class="p">(</span><span class="s1">&#39;_</span><span class="si">%s</span><span class="s1">_aliases&#39;</span> <span class="o">%</span> <span class="n">flavor</span><span class="p">)</span>
@@ -326,20 +321,20 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_register_descriptions</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Register descriptions of *available* flavors.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Register descriptions of *available* flavors.&quot;&quot;&quot;</span>
     <span class="k">for</span> <span class="n">flavor</span> <span class="ow">in</span> <span class="n">all_flavors</span><span class="p">:</span>
         <span class="n">description_map</span><span class="p">[</span><span class="n">flavor</span><span class="p">]</span> <span class="o">=</span> <span class="nb">eval</span><span class="p">(</span><span class="s1">&#39;_</span><span class="si">%s</span><span class="s1">_desc&#39;</span> <span class="o">%</span> <span class="n">flavor</span><span class="p">)</span>
 
 
 <span class="k">def</span> <span class="nf">_register_identifiers</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Register identifier functions of *available* flavors.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Register identifier functions of *available* flavors.&quot;&quot;&quot;</span>
 
     <span class="k">for</span> <span class="n">flavor</span> <span class="ow">in</span> <span class="n">all_flavors</span><span class="p">:</span>
         <span class="n">identifier_map</span><span class="p">[</span><span class="n">flavor</span><span class="p">]</span> <span class="o">=</span> <span class="nb">eval</span><span class="p">(</span><span class="s1">&#39;_is_</span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">flavor</span><span class="p">)</span>
 
 
 <span class="k">def</span> <span class="nf">_register_converters</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Register converter functions between *available* flavors.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Register converter functions between *available* flavors.&quot;&quot;&quot;</span>
 
     <span class="k">def</span> <span class="nf">identity</span><span class="p">(</span><span class="n">array</span><span class="p">):</span>
         <span class="k">return</span> <span class="n">array</span>
@@ -360,7 +355,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_register_all</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Register all *available* flavors.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Register all *available* flavors.&quot;&quot;&quot;</span>
 
     <span class="n">_register_aliases</span><span class="p">()</span>
     <span class="n">_register_descriptions</span><span class="p">()</span>
@@ -369,7 +364,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_deregister_aliases</span><span class="p">(</span><span class="n">flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Deregister aliases of a given `flavor` (no checks).&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Deregister aliases of a given `flavor` (no checks).&quot;&quot;&quot;</span>
 
     <span class="n">rm_aliases</span> <span class="o">=</span> <span class="p">[]</span>
     <span class="k">for</span> <span class="p">(</span><span class="n">an_alias</span><span class="p">,</span> <span class="n">a_flavor</span><span class="p">)</span> <span class="ow">in</span> <span class="n">alias_map</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
@@ -380,19 +375,19 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_deregister_description</span><span class="p">(</span><span class="n">flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Deregister description of a given `flavor` (no checks).&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Deregister description of a given `flavor` (no checks).&quot;&quot;&quot;</span>
 
     <span class="k">del</span> <span class="n">description_map</span><span class="p">[</span><span class="n">flavor</span><span class="p">]</span>
 
 
 <span class="k">def</span> <span class="nf">_deregister_identifier</span><span class="p">(</span><span class="n">flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Deregister identifier function of a given `flavor` (no checks).&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Deregister identifier function of a given `flavor` (no checks).&quot;&quot;&quot;</span>
 
     <span class="k">del</span> <span class="n">identifier_map</span><span class="p">[</span><span class="n">flavor</span><span class="p">]</span>
 
 
 <span class="k">def</span> <span class="nf">_deregister_converters</span><span class="p">(</span><span class="n">flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Deregister converter functions of a given `flavor` (no checks).&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Deregister converter functions of a given `flavor` (no checks).&quot;&quot;&quot;</span>
 
     <span class="n">rm_flavor_pairs</span> <span class="o">=</span> <span class="p">[]</span>
     <span class="k">for</span> <span class="n">flavor_pair</span> <span class="ow">in</span> <span class="n">converter_map</span><span class="p">:</span>
@@ -403,7 +398,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_disable_flavor</span><span class="p">(</span><span class="n">flavor</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Completely disable the given `flavor` (no checks).&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Completely disable the given `flavor` (no checks).&quot;&quot;&quot;</span>
 
     <span class="n">_deregister_aliases</span><span class="p">(</span><span class="n">flavor</span><span class="p">)</span>
     <span class="n">_deregister_description</span><span class="p">(</span><span class="n">flavor</span><span class="p">)</span>
@@ -450,7 +445,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_numpy_contiguous</span><span class="p">(</span><span class="n">convfunc</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Decorate `convfunc` to return a *contiguous* NumPy array.</span>
+    <span class="sd">&quot;&quot;&quot;Decorate `convfunc` to return a *contiguous* NumPy array.</span>
 
 <span class="sd">    Note: When arrays are 0-strided, the copy is avoided.  This allows</span>
 <span class="sd">    to use `array` to still carry info about the dtype and shape.</span>
@@ -515,7 +510,7 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_test</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Run ``doctest`` on this module.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Run ``doctest`` on this module.&quot;&quot;&quot;</span>
 
     <span class="kn">import</span> <span class="nn">doctest</span>
     <span class="n">doctest</span><span class="o">.</span><span class="n">testmod</span><span class="p">()</span>
diff --git a/_modules/tables/group.html b/_modules/tables/group.html
index d85f145..1bdfa0f 100644
--- a/_modules/tables/group.html
+++ b/_modules/tables/group.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.group &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.group &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.group</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.group</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -122,10 +120,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">container</span><span class="o">.</span><span class="n">_f_get_child</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="Group">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group">[docs]</a>
-<span class="k">class</span> <span class="nc">Group</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">Group</span><span class="p">,</span> <span class="n">Node</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Basic PyTables grouping structure.</span>
+<div class="viewcode-block" id="Group"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group">[docs]</a><span class="k">class</span> <span class="nc">Group</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">Group</span><span class="p">,</span> <span class="n">Node</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Basic PyTables grouping structure.</span>
 
 <span class="sd">    Instances of this class are grouping structures containing *child*</span>
 <span class="sd">    instances of zero or more groups or leaves, together with</span>
@@ -251,7 +247,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
     <span class="c1"># `_v_nchildren` is a direct read-only shorthand</span>
     <span class="c1"># for the number of *visible* children in a group.</span>
     <span class="k">def</span> <span class="nf">_g_getnchildren</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of children hanging from this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of children hanging from this group.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_children</span><span class="p">)</span>
 
     <span class="n">_v_nchildren</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">_g_getnchildren</span><span class="p">)</span>
@@ -275,7 +271,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
 
     <span class="n">_v_filters</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span>
         <span class="n">_g_getfilters</span><span class="p">,</span> <span class="n">_g_setfilters</span><span class="p">,</span> <span class="n">_g_delfilters</span><span class="p">,</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Default filter properties for child nodes.</span>
+        <span class="sd">&quot;&quot;&quot;Default filter properties for child nodes.</span>
 
 <span class="sd">        You can (and are encouraged to) use this property to get, set and</span>
 <span class="sd">        delete the FILTERS HDF5 attribute of the group, which stores a Filters</span>
@@ -293,19 +289,19 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="c1"># First, set attributes belonging to group objects.</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="n">obversion</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The object version of this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The object version of this group.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="n">new</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_title</span> <span class="o">=</span> <span class="n">title</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_filters</span> <span class="o">=</span> <span class="n">filters</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New default filter properties for child nodes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New default filter properties for child nodes.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_max_group_width</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;MAX_GROUP_WIDTH&#39;</span><span class="p">]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maximum number of children on each group before warning the user.</span>
+        <span class="sd">&quot;&quot;&quot;Maximum number of children on each group before warning the user.</span>
 
 <span class="sd">        .. versionchanged:: 3.0</span>
 <span class="sd">           The *_v_maxGroupWidth* attribute has been renamed into</span>
@@ -363,7 +359,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__del__</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_get_child_group_class</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the class of a not-yet-loaded group child.</span>
+        <span class="sd">&quot;&quot;&quot;Get the class of a not-yet-loaded group child.</span>
 
 <span class="sd">        `childname` must be the name of a *group* child.</span>
 
@@ -379,7 +375,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="n">Group</span>  <span class="c1"># default group class</span>
 
     <span class="k">def</span> <span class="nf">_g_get_child_leaf_class</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childname</span><span class="p">,</span> <span class="n">warn</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the class of a not-yet-loaded leaf child.</span>
+        <span class="sd">&quot;&quot;&quot;Get the class of a not-yet-loaded leaf child.</span>
 
 <span class="sd">        `childname` must be the name of a *leaf* child.  If the child</span>
 <span class="sd">        belongs to an unknown kind of leaf, or if its kind can not be</span>
@@ -417,27 +413,27 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="n">class_id_dict</span><span class="p">[</span><span class="n">childCID2</span><span class="p">]</span>  <span class="c1"># look up leaf class</span>
 
     <span class="k">def</span> <span class="nf">_g_add_children_names</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Add children names to this group taking into account their</span>
+        <span class="sd">&quot;&quot;&quot;Add children names to this group taking into account their</span>
 <span class="sd">        visibility and kind.&quot;&quot;&quot;</span>
 
         <span class="n">mydict</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span>
 
         <span class="c1"># The names of the lazy attributes</span>
         <span class="n">mydict</span><span class="p">[</span><span class="s1">&#39;__members__&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">members</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The names of visible children nodes for readline-style completion.</span>
+        <span class="sd">&quot;&quot;&quot;The names of visible children nodes for readline-style completion.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="n">mydict</span><span class="p">[</span><span class="s1">&#39;_v_children&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">children</span> <span class="o">=</span> <span class="n">_ChildrenDict</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of children hanging from this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of children hanging from this group.&quot;&quot;&quot;</span>
         <span class="n">mydict</span><span class="p">[</span><span class="s1">&#39;_v_groups&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">groups</span> <span class="o">=</span> <span class="n">_ChildrenDict</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dictionary with all groups hanging from this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Dictionary with all groups hanging from this group.&quot;&quot;&quot;</span>
         <span class="n">mydict</span><span class="p">[</span><span class="s1">&#39;_v_leaves&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">leaves</span> <span class="o">=</span> <span class="n">_ChildrenDict</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dictionary with all leaves hanging from this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Dictionary with all leaves hanging from this group.&quot;&quot;&quot;</span>
         <span class="n">mydict</span><span class="p">[</span><span class="s1">&#39;_v_links&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">links</span> <span class="o">=</span> <span class="n">_ChildrenDict</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dictionary with all links hanging from this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Dictionary with all links hanging from this group.&quot;&quot;&quot;</span>
         <span class="n">mydict</span><span class="p">[</span><span class="s1">&#39;_v_unknown&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">unknown</span> <span class="o">=</span> <span class="n">_ChildrenDict</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dictionary with all unknown nodes hanging from this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Dictionary with all unknown nodes hanging from this group.&quot;&quot;&quot;</span>
         <span class="n">mydict</span><span class="p">[</span><span class="s1">&#39;_v_hidden&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">hidden</span> <span class="o">=</span> <span class="n">_ChildrenDict</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dictionary with all hidden nodes hanging from this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Dictionary with all hidden nodes hanging from this group.&quot;&quot;&quot;</span>
 
         <span class="c1"># Get the names of *all* child groups and leaves.</span>
         <span class="p">(</span><span class="n">group_names</span><span class="p">,</span> <span class="n">leaf_names</span><span class="p">,</span> <span class="n">link_names</span><span class="p">,</span> <span class="n">unknown_names</span><span class="p">)</span> <span class="o">=</span> \
@@ -463,7 +459,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
                     <span class="n">hidden</span><span class="p">[</span><span class="n">childname</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
 
     <span class="k">def</span> <span class="nf">_g_check_has_child</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Check whether &#39;name&#39; is a children of &#39;self&#39; and return its type.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Check whether &#39;name&#39; is a children of &#39;self&#39; and return its type.&quot;&quot;&quot;</span>
 
         <span class="c1"># Get the HDF5 name matching the PyTables name.</span>
         <span class="n">node_type</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_g_get_objinfo</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
@@ -473,10 +469,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
                 <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">,</span> <span class="n">name</span><span class="p">))</span>
         <span class="k">return</span> <span class="n">node_type</span>
 
-<div class="viewcode-block" id="Group.__iter__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__iter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the child nodes hanging directly from the group.</span>
+<div class="viewcode-block" id="Group.__iter__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__iter__">[docs]</a>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the child nodes hanging directly from the group.</span>
 
 <span class="sd">        This iterator is *not* recursive.</span>
 
@@ -494,11 +488,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_iter_nodes</span><span class="p">()</span></div>
 
-
-<div class="viewcode-block" id="Group.__contains__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__contains__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is there a child with that `name`?</span>
+<div class="viewcode-block" id="Group.__contains__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__contains__">[docs]</a>    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is there a child with that `name`?</span>
 
 <span class="sd">        Returns a true value if the group has a child node (visible or</span>
 <span class="sd">        hidden) with the given `name` (a string), false otherwise.</span>
@@ -512,9 +503,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="kc">False</span>
         <span class="k">return</span> <span class="kc">True</span></div>
 
-
     <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the (visible or hidden) child with that `name` ( a string).</span>
+        <span class="sd">&quot;&quot;&quot;Return the (visible or hidden) child with that `name` ( a string).</span>
 
 <span class="sd">        Raise IndexError if child not exist.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
@@ -523,10 +513,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="k">except</span> <span class="n">NoSuchNodeError</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="n">childname</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Group._f_walknodes">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_walknodes">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_walknodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over descendant nodes.</span>
+<div class="viewcode-block" id="Group._f_walknodes"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_walknodes">[docs]</a>    <span class="k">def</span> <span class="nf">_f_walknodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over descendant nodes.</span>
 
 <span class="sd">        This method recursively walks *self* top to bottom (preorder),</span>
 <span class="sd">        iterating over child groups in alphanumerical order, and yielding</span>
@@ -562,9 +550,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="k">for</span> <span class="n">group</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_walk_groups</span><span class="p">():</span>
                 <span class="k">yield from</span> <span class="n">group</span><span class="o">.</span><span class="n">_f_iter_nodes</span><span class="p">(</span><span class="n">classname</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_join</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Helper method to correctly concatenate a name child object with the</span>
+        <span class="sd">&quot;&quot;&quot;Helper method to correctly concatenate a name child object with the</span>
 <span class="sd">        pathname of this group.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s2">&quot;/&quot;</span><span class="p">:</span>
@@ -573,7 +560,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">join_path</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_width_warning</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Issue a :exc:`PerformanceWarning` on too many children.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Issue a :exc:`PerformanceWarning` on too many children.&quot;&quot;&quot;</span>
 
         <span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s2">&quot;&quot;&quot;</span><span class="se">\</span>
 <span class="s2">group ``</span><span class="si">%s</span><span class="s2">`` is exceeding the recommended maximum number of children (</span><span class="si">%d</span><span class="s2">); </span><span class="se">\</span>
@@ -582,7 +569,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
                       <span class="n">PerformanceWarning</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_refnode</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childnode</span><span class="p">,</span> <span class="n">childname</span><span class="p">,</span> <span class="n">validate</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Insert references to a `childnode` via a `childname`.</span>
+        <span class="sd">&quot;&quot;&quot;Insert references to a `childnode` via a `childname`.</span>
 
 <span class="sd">        Checks that the `childname` is valid and does not exist, then</span>
 <span class="sd">        creates references to the given `childnode` by that `childname`.</span>
@@ -640,7 +627,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_v_hidden</span><span class="p">[</span><span class="n">childname</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>  <span class="c1"># insert node</span>
 
     <span class="k">def</span> <span class="nf">_g_unrefnode</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove references to a node.</span>
+        <span class="sd">&quot;&quot;&quot;Remove references to a node.</span>
 
 <span class="sd">        Removes all references to the named node.</span>
 
@@ -714,7 +701,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">new_node</span>
 
     <span class="k">def</span> <span class="nf">_g_copy_children</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy child nodes.</span>
+        <span class="sd">&quot;&quot;&quot;Copy child nodes.</span>
 
 <span class="sd">        Copies all nodes descending from this one into the specified</span>
 <span class="sd">        `newparent`.  If the new parent has a child node with the same</span>
@@ -770,10 +757,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
                     <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">srcchild</span><span class="p">,</span> <span class="n">Group</span><span class="p">):</span>
                         <span class="n">parentstack</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">srcchild</span><span class="p">,</span> <span class="n">dstchild</span><span class="p">))</span>
 
-<div class="viewcode-block" id="Group._f_get_child">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_get_child">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_get_child</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the child called childname of this group.</span>
+<div class="viewcode-block" id="Group._f_get_child"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_get_child">[docs]</a>    <span class="k">def</span> <span class="nf">_f_get_child</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childname</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the child called childname of this group.</span>
 
 <span class="sd">        If the child exists (be it visible or not), it is returned.  Else, a</span>
 <span class="sd">        NoSuchNodeError is raised.</span>
@@ -791,11 +776,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="n">childpath</span> <span class="o">=</span> <span class="n">join_path</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">,</span> <span class="n">childname</span><span class="p">)</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">_get_node</span><span class="p">(</span><span class="n">childpath</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Group._f_list_nodes">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_list_nodes">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_list_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a *list* with children nodes.</span>
+<div class="viewcode-block" id="Group._f_list_nodes"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_list_nodes">[docs]</a>    <span class="k">def</span> <span class="nf">_f_list_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a *list* with children nodes.</span>
 
 <span class="sd">        This is a list-returning version of :meth:`Group._f_iter_nodes()`.</span>
 
@@ -803,11 +785,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_f_iter_nodes</span><span class="p">(</span><span class="n">classname</span><span class="p">))</span></div>
 
-
-<div class="viewcode-block" id="Group._f_iter_nodes">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_iter_nodes">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_iter_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over children nodes.</span>
+<div class="viewcode-block" id="Group._f_iter_nodes"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_iter_nodes">[docs]</a>    <span class="k">def</span> <span class="nf">_f_iter_nodes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">classname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over children nodes.</span>
 
 <span class="sd">        Child nodes are yielded alphanumerically sorted by node name.  If the</span>
 <span class="sd">        name of a class derived from Node (see :ref:`NodeClassDescr`) is</span>
@@ -845,11 +824,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
                 <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">childnode</span><span class="p">,</span> <span class="n">class_</span><span class="p">):</span>
                     <span class="k">yield</span> <span class="n">childnode</span></div>
 
-
-<div class="viewcode-block" id="Group._f_walk_groups">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_walk_groups">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_walk_groups</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recursively iterate over descendent groups (not leaves).</span>
+<div class="viewcode-block" id="Group._f_walk_groups"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_walk_groups">[docs]</a>    <span class="k">def</span> <span class="nf">_f_walk_groups</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recursively iterate over descendent groups (not leaves).</span>
 
 <span class="sd">        This method starts by yielding *self*, and then it goes on to</span>
 <span class="sd">        recursively iterate over all child groups in alphanumerical order, top</span>
@@ -872,11 +848,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
                 <span class="n">stack</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">objgroup</span><span class="o">.</span><span class="n">_v_groups</span><span class="p">[</span><span class="n">groupname</span><span class="p">])</span>
                 <span class="k">yield</span> <span class="n">objgroup</span><span class="o">.</span><span class="n">_v_groups</span><span class="p">[</span><span class="n">groupname</span><span class="p">]</span></div>
 
-
-<div class="viewcode-block" id="Group.__delattr__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__delattr__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__delattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Delete a Python attribute called name.</span>
+<div class="viewcode-block" id="Group.__delattr__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__delattr__">[docs]</a>    <span class="k">def</span> <span class="fm">__delattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Delete a Python attribute called name.</span>
 
 <span class="sd">        This method only provides a extra warning in case the user</span>
 <span class="sd">        tries to delete a children node using __delattr__.</span>
@@ -897,19 +870,16 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="n">hint</span> <span class="o">=</span> <span class="s2">&quot; (use ``node._f_remove()`` if you want to remove a node)&quot;</span>
             <span class="k">raise</span> <span class="n">ae</span><span class="o">.</span><span class="vm">__class__</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">ae</span><span class="p">)</span> <span class="o">+</span> <span class="n">hint</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="fm">__dir__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Autocomplete only children named as valid python identifiers.</span>
+        <span class="sd">&quot;&quot;&quot;Autocomplete only children named as valid python identifiers.</span>
 
 <span class="sd">        Only PY3 supports this special method.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="n">subnods</span> <span class="o">=</span> <span class="p">[</span><span class="n">c</span> <span class="k">for</span> <span class="n">c</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_children</span> <span class="k">if</span> <span class="n">c</span><span class="o">.</span><span class="n">isidentifier</span><span class="p">()]</span>
         <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__dir__</span><span class="p">()</span> <span class="o">+</span> <span class="n">subnods</span>
 
-<div class="viewcode-block" id="Group.__getattr__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__getattr__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a Python attribute or child node called name.</span>
+<div class="viewcode-block" id="Group.__getattr__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__getattr__">[docs]</a>    <span class="k">def</span> <span class="fm">__getattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a Python attribute or child node called name.</span>
 <span class="sd">        If the node has a child node called name it is returned,</span>
 <span class="sd">        else an AttributeError is raised.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
@@ -919,11 +889,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="n">name</span><span class="p">]</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_get_child</span><span class="p">(</span><span class="n">name</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Group.__setattr__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__setattr__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__setattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a Python attribute called name with the given value.</span>
+<div class="viewcode-block" id="Group.__setattr__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__setattr__">[docs]</a>    <span class="k">def</span> <span class="fm">__setattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a Python attribute called name with the given value.</span>
 
 <span class="sd">        This method stores an *ordinary Python attribute* in the object. It</span>
 <span class="sd">        does *not* store new children nodes under this group; for that, use the</span>
@@ -971,21 +938,20 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
 
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__setattr__</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_f_flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Flush this Group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Flush this Group.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_check_open</span><span class="p">()</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_flush_group</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_close_descendents</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close all the *loaded* descendent nodes of this group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Close all the *loaded* descendent nodes of this group.&quot;&quot;&quot;</span>
 
         <span class="n">node_manager</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">_node_manager</span>
         <span class="n">node_manager</span><span class="o">.</span><span class="n">close_subtree</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close this (open) group.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Close this (open) group.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_isopen</span><span class="p">:</span>
             <span class="c1"># hdf5extension operations:</span>
@@ -995,10 +961,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="c1"># Close myself as a node.</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_f_close</span><span class="p">()</span>
 
-<div class="viewcode-block" id="Group._f_close">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_close">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close this group and all its descendents.</span>
+<div class="viewcode-block" id="Group._f_close"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_close">[docs]</a>    <span class="k">def</span> <span class="nf">_f_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Close this group and all its descendents.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_close`.</span>
 <span class="sd">        It should be noted that this operation closes all the nodes</span>
@@ -1027,9 +991,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="c1"># open until the very end.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_close</span><span class="p">()</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_remove</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">force</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove (recursively if needed) the Group.</span>
+        <span class="sd">&quot;&quot;&quot;Remove (recursively if needed) the Group.</span>
 
 <span class="sd">        This version correctly handles both visible and hidden nodes.</span>
 
@@ -1049,12 +1012,10 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="c1"># Remove the node itself from the hierarchy.</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_g_remove</span><span class="p">(</span><span class="n">recursive</span><span class="p">,</span> <span class="n">force</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Group._f_copy">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Group._f_copy"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_copy">[docs]</a>    <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                 <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                 <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy this node and return the new one.</span>
+        <span class="sd">&quot;&quot;&quot;Copy this node and return the new one.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_copy`.</span>
 <span class="sd">        In addition, it recognizes the following keyword arguments:</span>
@@ -1087,12 +1048,9 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span>
             <span class="n">overwrite</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="n">createparents</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Group._f_copy_children">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_copy_children">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_copy_children</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dstgroup</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
+<div class="viewcode-block" id="Group._f_copy_children"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group._f_copy_children">[docs]</a>    <span class="k">def</span> <span class="nf">_f_copy_children</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dstgroup</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                          <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy the children of this group into another group.</span>
+        <span class="sd">&quot;&quot;&quot;Copy the children of this group into another group.</span>
 
 <span class="sd">        Children hanging directly from this group are copied into dstgroup,</span>
 <span class="sd">        which can be a Group (see :ref:`GroupClassDescr`) object or its</span>
@@ -1168,11 +1126,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="k">for</span> <span class="n">child</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_children</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
                 <span class="n">child</span><span class="o">.</span><span class="n">_f_copy</span><span class="p">(</span><span class="n">dstparent</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Group.__str__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__str__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a short string representation of the group.</span>
+<div class="viewcode-block" id="Group.__str__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__str__">[docs]</a>    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a short string representation of the group.</span>
 
 <span class="sd">        Examples</span>
 <span class="sd">        --------</span>
@@ -1190,11 +1145,8 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">) &quot;</span>
                 <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_title</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Group.__repr__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__repr__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a detailed string representation of the group.</span>
+<div class="viewcode-block" id="Group.__repr__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Group.__repr__">[docs]</a>    <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a detailed string representation of the group.</span>
 
 <span class="sd">        Examples</span>
 <span class="sd">        --------</span>
@@ -1214,9 +1166,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
             <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">childname</span><span class="si">!r}</span><span class="s1"> (</span><span class="si">{</span><span class="n">child</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s1">)&#39;</span>
             <span class="k">for</span> <span class="p">(</span><span class="n">childname</span><span class="p">,</span> <span class="n">child</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_children</span><span class="o">.</span><span class="n">items</span><span class="p">()</span>
         <span class="p">]</span>
-        <span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="bp">self</span><span class="si">!s}</span><span class="se">\n</span><span class="s1">  children := [</span><span class="si">{</span><span class="s2">&quot;, &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">rep</span><span class="p">)</span><span class="si">}</span><span class="s1">]&#39;</span></div>
-</div>
-
+        <span class="k">return</span> <span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="bp">self</span><span class="si">!s}</span><span class="se">\n</span><span class="s1">  children := [</span><span class="si">{</span><span class="s2">&quot;, &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">rep</span><span class="p">)</span><span class="si">}</span><span class="s1">]&#39;</span></div></div>
 
 
 <span class="c1"># Special definition for group root</span>
@@ -1265,7 +1215,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <span class="c1"># self._g_post_init_hook()</span>
 
     <span class="k">def</span> <span class="nf">_g_load_child</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">childname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Load a child node from disk.</span>
+        <span class="sd">&quot;&quot;&quot;Load a child node from disk.</span>
 
 <span class="sd">        The child node `childname` is loaded from disk and an adequate</span>
 <span class="sd">        `Node` object is created and returned.  If there is no such</span>
@@ -1359,7 +1309,7 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
                       <span class="n">PerformanceWarning</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_reset</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Empty action storage (nodes and attributes).</span>
+        <span class="sd">&quot;&quot;&quot;Empty action storage (nodes and attributes).</span>
 
 <span class="sd">        This method empties all action storage kept in this node: nodes</span>
 <span class="sd">        and attributes.</span>
diff --git a/_modules/tables/index.html b/_modules/tables/index.html
index 9e15874..6d7864d 100644
--- a/_modules/tables/index.html
+++ b/_modules/tables/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.index &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.index &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.index</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.index</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -180,10 +178,8 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="p">(</span><span class="n">tablepathname</span><span class="p">,</span> <span class="n">colpathname</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="Index">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index">[docs]</a>
-<span class="k">class</span> <span class="nc">Index</span><span class="p">(</span><span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">Group</span><span class="p">,</span> <span class="n">indexesextension</span><span class="o">.</span><span class="n">Index</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Represents the index of a column in a table.</span>
+<div class="viewcode-block" id="Index"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index">[docs]</a><span class="k">class</span> <span class="nc">Index</span><span class="p">(</span><span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">Group</span><span class="p">,</span> <span class="n">indexesextension</span><span class="o">.</span><span class="n">Index</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Represents the index of a column in a table.</span>
 
 <span class="sd">    This class is used to keep the indexing information for columns in a Table</span>
 <span class="sd">    dataset (see :ref:`TableClassDescr`). It is actually a descendant of the</span>
@@ -238,19 +234,19 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">kind</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The kind of this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The kind of this index.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="p">{</span><span class="mi">1</span><span class="p">:</span> <span class="s1">&#39;ultralight&#39;</span><span class="p">,</span> <span class="mi">2</span><span class="p">:</span> <span class="s1">&#39;light&#39;</span><span class="p">,</span>
                 <span class="mi">4</span><span class="p">:</span> <span class="s1">&#39;medium&#39;</span><span class="p">,</span> <span class="mi">8</span><span class="p">:</span> <span class="s1">&#39;full&#39;</span><span class="p">}[</span><span class="bp">self</span><span class="o">.</span><span class="n">indsize</span><span class="p">]</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">filters</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Filter properties for this index - see Filters in</span>
+        <span class="sd">&quot;&quot;&quot;Filter properties for this index - see Filters in</span>
 <span class="sd">        :ref:`FiltersClassDescr`.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_filters</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">dirty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the index is dirty or not.</span>
+        <span class="sd">&quot;&quot;&quot;Whether the index is dirty or not.</span>
 <span class="sd">        Dirty indexes are out of sync with column data, so they exist but they</span>
 <span class="sd">        are not usable.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
@@ -272,7 +268,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">column</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The Column (see :ref:`ColumnClassDescr`) instance for the indexed</span>
+        <span class="sd">&quot;&quot;&quot;The Column (see :ref:`ColumnClassDescr`) instance for the indexed</span>
 <span class="sd">        column.&quot;&quot;&quot;</span>
 
         <span class="n">tablepath</span><span class="p">,</span> <span class="n">columnpath</span> <span class="o">=</span> <span class="n">_table_column_pathname_of_index</span><span class="p">(</span>
@@ -283,7 +279,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">table</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Accessor for the `Table` object of this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Accessor for the `Table` object of this index.&quot;&quot;&quot;</span>
         <span class="n">tablepath</span><span class="p">,</span> <span class="n">columnpath</span> <span class="o">=</span> <span class="n">_table_column_pathname_of_index</span><span class="p">(</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">)</span>
         <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">_get_node</span><span class="p">(</span><span class="n">tablepath</span><span class="p">)</span>
@@ -291,22 +287,22 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nblockssuperblock</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of blocks in a superblock.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of blocks in a superblock.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">superblocksize</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">blocksize</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nslicesblock</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of slices in a block.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of slices in a block.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">blocksize</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nchunkslice</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of chunks in a slice.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of chunks in a slice.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nsuperblocks</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The total number of superblocks in index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The total number of superblocks in index.&quot;&quot;&quot;</span>
         <span class="c1"># Last row should not be considered as a superblock</span>
         <span class="n">nelements</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nelements</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">nelementsILR</span>
         <span class="n">nblocks</span> <span class="o">=</span> <span class="n">nelements</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">superblocksize</span>
@@ -316,7 +312,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nblocks</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The total number of blocks in index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The total number of blocks in index.&quot;&quot;&quot;</span>
         <span class="c1"># Last row should not be considered as a block</span>
         <span class="n">nelements</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nelements</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">nelementsILR</span>
         <span class="n">nblocks</span> <span class="o">=</span> <span class="n">nelements</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">blocksize</span>
@@ -326,34 +322,34 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nslices</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of complete slices in index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of complete slices in index.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">nelements</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">nchunks</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of complete chunks in index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of complete chunks in index.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">nelements</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">shape</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of this index (in slices and elements).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of this index (in slices and elements).&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span><span class="p">)</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">temp_required</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether a temporary file for indexes is required or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether a temporary file for indexes is required or not.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">indsize</span> <span class="o">&gt;</span> <span class="mi">1</span> <span class="ow">and</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">optlevel</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="ow">and</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">nrows</span> <span class="o">&gt;</span> <span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span><span class="p">)</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">want_complete_sort</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether we should try to build a completely sorted index or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether we should try to build a completely sorted index or not.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">indsize</span> <span class="o">==</span> <span class="mi">8</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">optlevel</span> <span class="o">==</span> <span class="mi">9</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">is_csi</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the index is completely sorted or not.</span>
+        <span class="sd">&quot;&quot;&quot;Whether the index is completely sorted or not.</span>
 
 <span class="sd">        .. versionchanged:: 3.0</span>
 <span class="sd">           The *is_CSI* property has been renamed into *is_csi*.</span>
@@ -376,13 +372,13 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">nrowsinchunk</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of rows that fits in a *table* chunk.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of rows that fits in a *table* chunk.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">chunkshape</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">lbucket</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the length of a bucket based index type.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return the length of a bucket based index type.&quot;&quot;&quot;</span>
 
         <span class="c1"># Avoid to set a too large lbucket size (mainly useful for tests)</span>
         <span class="n">lbucket</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nrowsinchunk</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span><span class="p">)</span>
@@ -416,22 +412,22 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                  <span class="n">new</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The object version of this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The object version of this index.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">optlevel</span> <span class="o">=</span> <span class="n">optlevel</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The optimization level for this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The optimization level for this index.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">tmp_dir</span> <span class="o">=</span> <span class="n">tmp_dir</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The directory for the temporary files.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The directory for the temporary files.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">expectedrows</span> <span class="o">=</span> <span class="n">expectedrows</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The expected number of items of index arrays.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The expected number of items of index arrays.&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="n">byteorder</span> <span class="ow">in</span> <span class="p">[</span><span class="s2">&quot;little&quot;</span><span class="p">,</span> <span class="s2">&quot;big&quot;</span><span class="p">]:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span> <span class="o">=</span> <span class="n">byteorder</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">byteorder</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The byteorder of the index datasets.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The byteorder of the index datasets.&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="n">atom</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span> <span class="o">=</span> <span class="n">atom</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">base</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">atom</span><span class="o">.</span><span class="n">type</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;The datatypes to be stored by the sorted index array.&quot;&quot;&quot;</span>
+            <span class="sd">&quot;&quot;&quot;The datatypes to be stored by the sorted index array.&quot;&quot;&quot;</span>
             <span class="c1"># ############## Important note ###########################</span>
             <span class="c1"># The datatypes saved as index values are NumPy native</span>
             <span class="c1"># types, so we get rid of type metainfo like Time* or Enum*</span>
@@ -442,37 +438,37 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                 <span class="s1">&#39;ultralight&#39;</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s1">&#39;light&#39;</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="s1">&#39;medium&#39;</span><span class="p">:</span> <span class="mi">4</span><span class="p">,</span> <span class="s1">&#39;full&#39;</span><span class="p">:</span> <span class="mi">8</span><span class="p">}[</span><span class="n">kind</span><span class="p">]</span>
             <span class="k">assert</span> <span class="n">indsize</span> <span class="ow">in</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">8</span><span class="p">),</span> <span class="s2">&quot;indsize should be 1, 2, 4 or 8!&quot;</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">indsize</span> <span class="o">=</span> <span class="n">indsize</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;The itemsize for the indices part of the index.&quot;&quot;&quot;</span>
+            <span class="sd">&quot;&quot;&quot;The itemsize for the indices part of the index.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The total number of slices in the index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The total number of slices in the index.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nelements</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of currently indexed rows for this column.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The number of currently indexed rows for this column.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">blocksizes</span> <span class="o">=</span> <span class="n">blocksizes</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The four main sizes of the compound blocks (if specified).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The four main sizes of the compound blocks (if specified).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">dirtycache</span> <span class="o">=</span> <span class="kc">True</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dirty cache (for ranges, bounds &amp; sorted) flag.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Dirty cache (for ranges, bounds &amp; sorted) flag.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">superblocksize</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size of the superblock for this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size of the superblock for this index.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">blocksize</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size of the block for this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size of the block for this index.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size of the slice for this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size of the slice for this index.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Size of the chunk for this index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Size of the chunk for this index.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">tmpfilename</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Filename for temporary bounds.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Filename for temporary bounds.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">opt_search_types</span> <span class="o">=</span> <span class="n">opt_search_types</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The types for which and optimized search has been implemented.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The types for which and optimized search has been implemented.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">noverlaps</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of overlaps in an index.  0 means a completely</span>
+        <span class="sd">&quot;&quot;&quot;The number of overlaps in an index.  0 means a completely</span>
 <span class="sd">        sorted index. -1 means that this number is not computed yet.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">tprof</span> <span class="o">=</span> <span class="mi">0</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Time counter for benchmarking purposes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Time counter for benchmarking purposes.&quot;&quot;&quot;</span>
 
         <span class="kn">from</span> <span class="nn">.file</span> <span class="kn">import</span> <span class="n">open_file</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_openFile</span> <span class="o">=</span> <span class="n">open_file</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The `open_file()` function, to avoid a circular import.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The `open_file()` function, to avoid a circular import.&quot;&quot;&quot;</span>
 
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">new</span><span class="p">,</span> <span class="n">filters</span><span class="p">)</span>
 
@@ -622,16 +618,16 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
         <span class="c1"># The starts and lengths initialization</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">starts</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">shape</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Where the values fulfiling conditions starts for every slice.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Where the values fulfiling conditions starts for every slice.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">lengths</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">shape</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Lengths of the values fulfilling conditions for every slice.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Lengths of the values fulfilling conditions for every slice.&quot;&quot;&quot;</span>
 
         <span class="c1"># Finally, create a temporary file for indexes if needed</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">temp_required</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">create_temp</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">initial_append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">xarr</span><span class="p">,</span> <span class="n">nrow</span><span class="p">,</span> <span class="n">reduction</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Compute an initial indices arrays for data to be indexed.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Compute an initial indices arrays for data to be indexed.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">profile</span><span class="p">:</span>
             <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -710,7 +706,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">larr</span><span class="p">,</span> <span class="n">arr</span><span class="p">,</span> <span class="n">idx</span>
 
     <span class="k">def</span> <span class="nf">final_idx32</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">idx</span><span class="p">,</span> <span class="n">offset</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Perform final operations in 32-bit indices.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Perform final operations in 32-bit indices.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">profile</span><span class="p">:</span>
             <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -730,7 +726,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">idx</span>
 
     <span class="k">def</span> <span class="nf">append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">xarr</span><span class="p">,</span> <span class="n">update</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Append the array to the index objects.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Append the array to the index objects.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">profile</span><span class="p">:</span>
             <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -795,7 +791,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
             <span class="n">show_stats</span><span class="p">(</span><span class="s2">&quot;Exiting append&quot;</span><span class="p">,</span> <span class="n">tref</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">append_last_row</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">xarr</span><span class="p">,</span> <span class="n">update</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Append the array to the last row index objects.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Append the array to the last row index objects.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">profile</span><span class="p">:</span>
             <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -843,7 +839,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
             <span class="n">show_stats</span><span class="p">(</span><span class="s2">&quot;Exiting appendLR&quot;</span><span class="p">,</span> <span class="n">tref</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">optimize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">verbose</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Optimize an index so as to allow faster searches.</span>
+        <span class="sd">&quot;&quot;&quot;Optimize an index so as to allow faster searches.</span>
 
 <span class="sd">        verbose</span>
 <span class="sd">            If True, messages about the progress of the</span>
@@ -918,7 +914,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span>
 
     <span class="k">def</span> <span class="nf">do_complete_sort</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Bring an already optimized index into a complete sorted state.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Bring an already optimized index into a complete sorted state.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbose</span><span class="p">:</span>
             <span class="n">t1</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -1027,10 +1023,10 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="c1"># in verbose mode!).</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">compute_overlaps</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tmp</span><span class="p">,</span> <span class="s2">&quot;do_complete_sort()&quot;</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbose</span><span class="p">)</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbose</span><span class="p">:</span>
-            <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;time: </span><span class="si">{</span><span class="n">clock</span><span class="p">()</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">t1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">. clock: </span><span class="si">{</span><span class="n">cpuclock</span><span class="p">()</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">c1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
+            <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;time: </span><span class="si">{</span><span class="n">clock</span><span class="p">()</span> <span class="o">-</span> <span class="n">t1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">. clock: </span><span class="si">{</span><span class="n">cpuclock</span><span class="p">()</span> <span class="o">-</span> <span class="n">c1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">swap</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">what</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Swap chunks or slices using a certain bounds reference.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Swap chunks or slices using a certain bounds reference.&quot;&quot;&quot;</span>
 
         <span class="c1"># Thresholds for avoiding continuing the optimization</span>
         <span class="c1"># thnover = 4 * self.slicesize  # minimum number of overlapping</span>
@@ -1054,7 +1050,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">tmp</span><span class="p">,</span> <span class="n">message</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbose</span><span class="p">)</span>
         <span class="n">rmult</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">mult</span><span class="o">.</span><span class="n">nonzero</span><span class="p">()[</span><span class="mi">0</span><span class="p">])</span> <span class="o">/</span> <span class="nb">len</span><span class="p">(</span><span class="n">mult</span><span class="p">)</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbose</span><span class="p">:</span>
-            <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;time: </span><span class="si">{</span><span class="n">clock</span><span class="p">()</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">t1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">. clock: </span><span class="si">{</span><span class="n">cpuclock</span><span class="p">()</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">c1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
+            <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;time: </span><span class="si">{</span><span class="n">clock</span><span class="p">()</span> <span class="o">-</span> <span class="n">t1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">. clock: </span><span class="si">{</span><span class="n">cpuclock</span><span class="p">()</span> <span class="o">-</span> <span class="n">c1</span><span class="si">:</span><span class="s2">.4f</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
         <span class="c1"># Check that entropy is actually decreasing</span>
         <span class="k">if</span> <span class="n">what</span> <span class="o">==</span> <span class="s2">&quot;chunks&quot;</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_tover</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_nover</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
             <span class="n">tover_var</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">last_tover</span> <span class="o">-</span> <span class="n">tover</span><span class="p">)</span> <span class="o">/</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_tover</span>
@@ -1075,7 +1071,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="kc">False</span>
 
     <span class="k">def</span> <span class="nf">create_temp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create some temporary objects for slice sorting purposes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create some temporary objects for slice sorting purposes.&quot;&quot;&quot;</span>
 
         <span class="c1"># The index will be dirty during the index optimization process</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">dirty</span> <span class="o">=</span> <span class="kc">True</span>
@@ -1127,7 +1123,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                <span class="n">filters</span><span class="p">,</span> <span class="n">chunkshape</span><span class="o">=</span><span class="p">(</span><span class="n">cs</span><span class="p">,))</span>
 
     <span class="k">def</span> <span class="nf">create_temp2</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create some temporary objects for slice sorting purposes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create some temporary objects for slice sorting purposes.&quot;&quot;&quot;</span>
 
         <span class="c1"># The algorithms for doing the swap can be optimized so that</span>
         <span class="c1"># one should be necessary to create temporaries for keeping just</span>
@@ -1163,7 +1159,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                <span class="s2">&quot;Median ranges 2&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span> <span class="n">chunkshape</span><span class="o">=</span><span class="p">(</span><span class="n">cs</span><span class="p">,))</span>
 
     <span class="k">def</span> <span class="nf">cleanup_temp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy the data and delete the temporaries for sorting purposes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Copy the data and delete the temporaries for sorting purposes.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbose</span><span class="p">:</span>
             <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;Copying temporary data...&quot;</span><span class="p">)</span>
@@ -1226,7 +1222,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="k">def</span> <span class="nf">get_neworder</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">neworder</span><span class="p">,</span> <span class="n">src_disk</span><span class="p">,</span> <span class="n">tmp_disk</span><span class="p">,</span>
                      <span class="n">lastrow</span><span class="p">,</span> <span class="n">nslices</span><span class="p">,</span> <span class="n">offset</span><span class="p">,</span> <span class="n">dtype</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get sorted &amp; indices values in new order.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get sorted &amp; indices values in new order.&quot;&quot;&quot;</span>
 
         <span class="n">cs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span>
         <span class="n">ncs</span> <span class="o">=</span> <span class="n">ncs2</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nchunkslice</span>
@@ -1262,7 +1258,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                 <span class="n">tmp_disk</span><span class="p">[</span><span class="n">ns</span><span class="p">]</span> <span class="o">=</span> <span class="n">tmp</span>
 
     <span class="k">def</span> <span class="nf">swap_chunks</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s2">&quot;median&quot;</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Swap &amp; reorder the different chunks in a block.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Swap &amp; reorder the different chunks in a block.&quot;&quot;&quot;</span>
 
         <span class="n">boundsnames</span> <span class="o">=</span> <span class="p">{</span>
             <span class="s1">&#39;start&#39;</span><span class="p">:</span> <span class="s1">&#39;abounds&#39;</span><span class="p">,</span> <span class="s1">&#39;stop&#39;</span><span class="p">:</span> <span class="s1">&#39;zbounds&#39;</span><span class="p">,</span> <span class="s1">&#39;median&#39;</span><span class="p">:</span> <span class="s1">&#39;mbounds&#39;</span><span class="p">}</span>
@@ -1307,7 +1303,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">reorder_slices</span><span class="p">(</span><span class="n">tmp</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">read_slice</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">nslice</span><span class="p">,</span> <span class="n">buffer</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read a slice from the `where` dataset and put it in `buffer`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Read a slice from the `where` dataset and put it in `buffer`.&quot;&quot;&quot;</span>
 
         <span class="c1"># Create the buffers for specifying the coordinates</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">startl</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">nslice</span><span class="p">,</span> <span class="n">start</span><span class="p">],</span> <span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
@@ -1316,7 +1312,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="n">where</span><span class="o">.</span><span class="n">_g_read_slice</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">startl</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">stopl</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">stepl</span><span class="p">,</span> <span class="n">buffer</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">write_slice</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">nslice</span><span class="p">,</span> <span class="n">buffer</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Write a `slice` to the `where` dataset with the `buffer` data.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Write a `slice` to the `where` dataset with the `buffer` data.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">startl</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">nslice</span><span class="p">,</span> <span class="n">start</span><span class="p">],</span> <span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">stopl</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">nslice</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="n">start</span> <span class="o">+</span> <span class="n">buffer</span><span class="o">.</span><span class="n">size</span><span class="p">],</span> <span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
@@ -1326,7 +1322,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="c1"># Read version for LastRow</span>
     <span class="k">def</span> <span class="nf">read_slice_lr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">buffer</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read a slice from the `where` dataset and put it in `buffer`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Read a slice from the `where` dataset and put it in `buffer`.&quot;&quot;&quot;</span>
 
         <span class="n">startl</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">start</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
         <span class="n">stopl</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">start</span> <span class="o">+</span> <span class="n">buffer</span><span class="o">.</span><span class="n">size</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
@@ -1335,7 +1331,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="c1"># Write version for LastRow</span>
     <span class="k">def</span> <span class="nf">write_sliceLR</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">buffer</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Write a slice from the `where` dataset with the `buffer` data.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Write a slice from the `where` dataset with the `buffer` data.&quot;&quot;&quot;</span>
 
         <span class="n">startl</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">start</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
         <span class="n">countl</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">start</span> <span class="o">+</span> <span class="n">buffer</span><span class="o">.</span><span class="n">size</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
@@ -1344,7 +1340,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="k">def</span> <span class="nf">reorder_slice</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">nslice</span><span class="p">,</span> <span class="nb">sorted</span><span class="p">,</span> <span class="n">indices</span><span class="p">,</span> <span class="n">ssorted</span><span class="p">,</span> <span class="n">sindices</span><span class="p">,</span>
                       <span class="n">tmp_sorted</span><span class="p">,</span> <span class="n">tmp_indices</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy &amp; reorder the slice in source to final destination.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Copy &amp; reorder the slice in source to final destination.&quot;&quot;&quot;</span>
 
         <span class="n">ss</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span>
         <span class="c1"># Load the second part in buffers</span>
@@ -1361,7 +1357,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="n">sindices</span><span class="p">[:</span><span class="n">ss</span><span class="p">]</span> <span class="o">=</span> <span class="n">sindices</span><span class="p">[</span><span class="n">ss</span><span class="p">:]</span>
 
     <span class="k">def</span> <span class="nf">update_caches</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">nslice</span><span class="p">,</span> <span class="n">ssorted</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Update the caches for faster lookups.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Update the caches for faster lookups.&quot;&quot;&quot;</span>
 
         <span class="n">cs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span>
         <span class="n">ncs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nchunkslice</span>
@@ -1378,7 +1374,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="n">tmp</span><span class="o">.</span><span class="n">mranges</span><span class="p">[</span><span class="n">nslice</span><span class="p">]</span> <span class="o">=</span> <span class="n">smedian</span><span class="p">[</span><span class="n">ncs</span> <span class="o">//</span> <span class="mi">2</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">reorder_slices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">tmp</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Reorder completely the index at slice level.</span>
+        <span class="sd">&quot;&quot;&quot;Reorder completely the index at slice level.</span>
 
 <span class="sd">        This method has to maintain the locality of elements in the</span>
 <span class="sd">        ambit of ``blocks``, i.e. an element of a ``block`` cannot be</span>
@@ -1485,7 +1481,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                 <span class="bp">self</span><span class="o">.</span><span class="n">update_caches</span><span class="p">(</span><span class="n">nslice</span><span class="p">,</span> <span class="n">ssorted</span><span class="p">[:</span><span class="n">ss</span><span class="p">])</span>
 
     <span class="k">def</span> <span class="nf">swap_slices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s2">&quot;median&quot;</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Swap slices in a superblock.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Swap slices in a superblock.&quot;&quot;&quot;</span>
 
         <span class="n">tmp</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">tmp</span>
         <span class="nb">sorted</span> <span class="o">=</span> <span class="n">tmp</span><span class="o">.</span><span class="n">sorted</span>
@@ -1559,7 +1555,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                 <span class="n">tmp</span><span class="o">.</span><span class="n">mbounds</span><span class="p">[</span><span class="n">j</span><span class="p">:</span><span class="n">jn</span><span class="p">]</span> <span class="o">=</span> <span class="n">tmp</span><span class="o">.</span><span class="n">mbounds2</span><span class="p">[</span><span class="n">j</span><span class="p">:</span><span class="n">jn</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">search_item_lt</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">item</span><span class="p">,</span> <span class="n">nslice</span><span class="p">,</span> <span class="n">limits</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Search a single item in a specific sorted slice.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Search a single item in a specific sorted slice.&quot;&quot;&quot;</span>
 
         <span class="c1"># This method will only works under the assumtion that item</span>
         <span class="c1"># *is to be found* in the nslice.</span>
@@ -1593,7 +1589,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">pos</span>
 
     <span class="k">def</span> <span class="nf">compute_overlaps_finegrain</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">message</span><span class="p">,</span> <span class="n">verbose</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Compute some statistics about overlaping of slices in index.</span>
+        <span class="sd">&quot;&quot;&quot;Compute some statistics about overlaping of slices in index.</span>
 
 <span class="sd">        It returns the following info:</span>
 
@@ -1686,7 +1682,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="n">noverlaps</span><span class="p">,</span> <span class="n">multiplicity</span><span class="p">,</span> <span class="n">toverlap</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">compute_overlaps</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">message</span><span class="p">,</span> <span class="n">verbose</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Compute some statistics about overlaping of slices in index.</span>
+        <span class="sd">&quot;&quot;&quot;Compute some statistics about overlaping of slices in index.</span>
 
 <span class="sd">        It returns the following info:</span>
 
@@ -1748,7 +1744,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="n">noverlaps</span><span class="p">,</span> <span class="n">multiplicity</span><span class="p">,</span> <span class="n">toverlap</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">read_sorted_indices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">what</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the sorted or indices values in the specified range.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return the sorted or indices values in the specified range.&quot;&quot;&quot;</span>
         <span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_process_range</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span>
         <span class="k">if</span> <span class="n">start</span> <span class="o">&gt;=</span> <span class="n">stop</span><span class="p">:</span>
             <span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="p">)</span>
@@ -1789,10 +1785,8 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
             <span class="n">ilen</span> <span class="o">+=</span> <span class="n">blen</span>
         <span class="k">return</span> <span class="n">buffer_</span><span class="p">[::</span><span class="n">step</span><span class="p">]</span>
 
-<div class="viewcode-block" id="Index.read_sorted">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index.read_sorted">[docs]</a>
-    <span class="k">def</span> <span class="nf">read_sorted</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the sorted values of index in the specified range.</span>
+<div class="viewcode-block" id="Index.read_sorted"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index.read_sorted">[docs]</a>    <span class="k">def</span> <span class="nf">read_sorted</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return the sorted values of index in the specified range.</span>
 
 <span class="sd">        The meaning of the start, stop and step arguments is the same as in</span>
 <span class="sd">        :meth:`Table.read_sorted`.</span>
@@ -1801,11 +1795,8 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">read_sorted_indices</span><span class="p">(</span><span class="s1">&#39;sorted&#39;</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Index.read_indices">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index.read_indices">[docs]</a>
-    <span class="k">def</span> <span class="nf">read_indices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the indices values of index in the specified range.</span>
+<div class="viewcode-block" id="Index.read_indices"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index.read_indices">[docs]</a>    <span class="k">def</span> <span class="nf">read_indices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return the indices values of index in the specified range.</span>
 
 <span class="sd">        The meaning of the start, stop and step arguments is the same as in</span>
 <span class="sd">        :meth:`Table.read_sorted`.</span>
@@ -1814,9 +1805,8 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">read_sorted_indices</span><span class="p">(</span><span class="s1">&#39;indices&#39;</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_process_range</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a range specifc for the index usage.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get a range specifc for the index usage.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">start</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">stop</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="c1"># Special case for the behaviour of PyTables iterators</span>
@@ -1835,10 +1825,8 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
             <span class="n">step</span> <span class="o">=</span> <span class="n">idx2long</span><span class="p">(</span><span class="n">step</span><span class="p">)</span>
         <span class="k">return</span> <span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Index.__getitem__">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index.__getitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the indices values of index in the specified range.</span>
+<div class="viewcode-block" id="Index.__getitem__"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.index.Index.__getitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return the indices values of index in the specified range.</span>
 
 <span class="sd">        If key argument is an integer, the corresponding index is returned.  If</span>
 <span class="sd">        key is a slice, the range of indices determined by it is returned.  A</span>
@@ -1859,12 +1847,11 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">slice</span><span class="p">):</span>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">read_indices</span><span class="p">(</span><span class="n">key</span><span class="o">.</span><span class="n">start</span><span class="p">,</span> <span class="n">key</span><span class="o">.</span><span class="n">stop</span><span class="p">,</span> <span class="n">key</span><span class="o">.</span><span class="n">step</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">nelements</span>
 
     <span class="k">def</span> <span class="nf">restorecache</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Clean the limits cache and resize starts and lengths arrays&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Clean the limits cache and resize starts and lengths arrays&quot;&quot;&quot;</span>
 
         <span class="n">params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span>
         <span class="c1"># The sorted IndexArray is absolutely required to be in memory</span>
@@ -1879,16 +1866,16 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">sorted</span><span class="o">.</span><span class="n">boundscache</span> <span class="o">=</span> <span class="n">ObjectCache</span><span class="p">(</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;BOUNDS_MAX_SLOTS&#39;</span><span class="p">],</span>
                                               <span class="n">params</span><span class="p">[</span><span class="s1">&#39;BOUNDS_MAX_SIZE&#39;</span><span class="p">],</span>
                                               <span class="s1">&#39;non-opt types bounds&#39;</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A cache for the bounds (2nd hash) data. Only used for</span>
+        <span class="sd">&quot;&quot;&quot;A cache for the bounds (2nd hash) data. Only used for</span>
 <span class="sd">        non-optimized types searches.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">limboundscache</span> <span class="o">=</span> <span class="n">ObjectCache</span><span class="p">(</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;LIMBOUNDS_MAX_SLOTS&#39;</span><span class="p">],</span>
                                           <span class="n">params</span><span class="p">[</span><span class="s1">&#39;LIMBOUNDS_MAX_SIZE&#39;</span><span class="p">],</span>
                                           <span class="s1">&#39;bounding limits&#39;</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A cache for bounding limits.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A cache for bounding limits.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">sortedLRcache</span> <span class="o">=</span> <span class="n">ObjectCache</span><span class="p">(</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;SORTEDLR_MAX_SLOTS&#39;</span><span class="p">],</span>
                                          <span class="n">params</span><span class="p">[</span><span class="s1">&#39;SORTEDLR_MAX_SIZE&#39;</span><span class="p">],</span>
                                          <span class="s1">&#39;last row chunks&#39;</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A cache for the last row chunks. Only used for searches in</span>
+        <span class="sd">&quot;&quot;&quot;A cache for the last row chunks. Only used for searches in</span>
 <span class="sd">        the last row, and mainly useful for small indexes.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">starts</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">shape</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">lengths</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">shape</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
@@ -1896,7 +1883,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">dirtycache</span> <span class="o">=</span> <span class="kc">False</span>
 
     <span class="k">def</span> <span class="nf">search</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">item</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Do a binary search in this index for an item.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Do a binary search in this index for an item.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">profile</span><span class="p">:</span>
             <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -1996,7 +1983,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="c1"># This is an scalar version of search. It works with strings as well.</span>
     <span class="k">def</span> <span class="nf">search_scalar</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">item</span><span class="p">,</span> <span class="nb">sorted</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Do a binary search in this index for an item.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Do a binary search in this index for an item.&quot;&quot;&quot;</span>
 
         <span class="n">tlen</span> <span class="o">=</span> <span class="mi">0</span>
         <span class="c1"># Do the lookup for values fullfilling the conditions</span>
@@ -2078,7 +2065,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">get_chunkmap</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Compute a map with the interesting chunks in index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Compute a map with the interesting chunks in index.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">profile</span><span class="p">:</span>
             <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -2186,14 +2173,14 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">range_</span>
 
     <span class="k">def</span> <span class="nf">_f_remove</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove this Index object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Remove this Index object.&quot;&quot;&quot;</span>
 
         <span class="c1"># Index removal is always recursive,</span>
         <span class="c1"># no matter what `recursive` says.</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_f_remove</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This provides a more compact representation than __repr__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This provides a more compact representation than __repr__&quot;&quot;&quot;</span>
 
         <span class="c1"># The filters</span>
         <span class="n">filters</span> <span class="o">=</span> <span class="p">[]</span>
@@ -2207,31 +2194,30 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
                 <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">kind</span><span class="si">}{</span><span class="s1">&#39;, &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">filters</span><span class="p">)</span><span class="si">}</span><span class="s2">).is_csi=</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">is_csi</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This provides more metainfo than standard __repr__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This provides more metainfo than standard __repr__&quot;&quot;&quot;</span>
 
         <span class="n">cpathname</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">_v_pathname</span><span class="si">}</span><span class="s2">.cols.</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">column</span><span class="o">.</span><span class="n">pathname</span><span class="si">}</span><span class="s2">&quot;</span>
         <span class="n">retstr</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="si">}</span><span class="s2"> (Index for column </span><span class="si">{</span><span class="n">cpathname</span><span class="si">}</span><span class="s2">)</span>
-<span class="s2">  optlevel := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">optlevel</span><span class="si">}</span>
-<span class="s2">  kind := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">kind</span><span class="si">}</span>
-<span class="s2">  filters := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">filters</span><span class="si">}</span>
-<span class="s2">  is_csi := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">is_csi</span><span class="si">}</span>
-<span class="s2">  nelements := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">nelements</span><span class="si">}</span>
-<span class="s2">  chunksize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span><span class="si">}</span>
-<span class="s2">  slicesize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span><span class="si">}</span>
-<span class="s2">  blocksize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">blocksize</span><span class="si">}</span>
-<span class="s2">  superblocksize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">superblocksize</span><span class="si">}</span>
-<span class="s2">  dirty := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">dirty</span><span class="si">}</span>
-<span class="s2">  byteorder := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="si">!r}</span>
-<span class="s2">    sorted := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sorted</span><span class="si">}</span>
-<span class="s2">    indices := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">indices</span><span class="si">}</span>
-<span class="s2">    ranges := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">ranges</span><span class="si">}</span>
-<span class="s2">    bounds := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">bounds</span><span class="si">}</span>
-<span class="s2">    sortedLR := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sortedLR</span><span class="si">}</span>
+<span class="s2">  optlevel := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">optlevel</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  kind := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">kind</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  filters := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">filters</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  is_csi := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">is_csi</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  nelements := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">nelements</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  chunksize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  slicesize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  blocksize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">blocksize</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  superblocksize := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">superblocksize</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  dirty := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">dirty</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  byteorder := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="si">!r}</span><span class="s2"></span>
+<span class="s2">    sorted := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sorted</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">    indices := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">indices</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">    ranges := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">ranges</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">    bounds := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">bounds</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">    sortedLR := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">sortedLR</span><span class="si">}</span><span class="s2"></span>
 <span class="s2">    indicesLR := </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">indicesLR</span><span class="si">}</span><span class="s2">&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="n">retstr</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">IndexesDescG</span><span class="p">(</span><span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">Group</span><span class="p">):</span>
     <span class="n">_c_classid</span> <span class="o">=</span> <span class="s1">&#39;DINDEX&#39;</span>
 
@@ -2276,7 +2262,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">table</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Accessor for the `Table` object of this `IndexesTableG`</span>
+        <span class="sd">&quot;&quot;&quot;Accessor for the `Table` object of this `IndexesTableG`</span>
 <span class="sd">        container.&quot;&quot;&quot;</span>
         <span class="n">names</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">&quot;/&quot;</span><span class="p">)</span>
         <span class="n">tablename</span> <span class="o">=</span> <span class="n">names</span><span class="o">.</span><span class="n">pop</span><span class="p">()[</span><span class="mi">3</span><span class="p">:]</span>   <span class="c1"># &quot;_i_&quot; is at the beginning</span>
@@ -2287,7 +2273,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">OldIndex</span><span class="p">(</span><span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">Group</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This is meant to hide indexes of PyTables 1.x files.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;This is meant to hide indexes of PyTables 1.x files.&quot;&quot;&quot;</span>
 
     <span class="n">_c_classid</span> <span class="o">=</span> <span class="s1">&#39;CINDEX&#39;</span>
 </pre></div>
diff --git a/_modules/tables/indexes.html b/_modules/tables/indexes.html
index 2612dc1..7c5dcd6 100644
--- a/_modules/tables/indexes.html
+++ b/_modules/tables/indexes.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.indexes &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.indexes &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.indexes</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.indexes</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -106,24 +104,22 @@ <h1>Source code for tables.indexes</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">CacheArray</span><span class="p">(</span><span class="n">indexesextension</span><span class="o">.</span><span class="n">CacheArray</span><span class="p">,</span> <span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">EArray</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Container for keeping index caches of 1st and 2nd level.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Container for keeping index caches of 1st and 2nd level.&quot;&quot;&quot;</span>
 
     <span class="c1"># Class identifier.</span>
     <span class="n">_c_classid</span> <span class="o">=</span> <span class="s1">&#39;CACHEARRAY&#39;</span>
 
 
 <span class="k">class</span> <span class="nc">LastRowArray</span><span class="p">(</span><span class="n">indexesextension</span><span class="o">.</span><span class="n">LastRowArray</span><span class="p">,</span> <span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">CArray</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Container for keeping sorted and indices values of last row of an</span>
+    <span class="sd">&quot;&quot;&quot;Container for keeping sorted and indices values of last row of an</span>
 <span class="sd">    index.&quot;&quot;&quot;</span>
 
     <span class="c1"># Class identifier.</span>
     <span class="n">_c_classid</span> <span class="o">=</span> <span class="s1">&#39;LASTROWARRAY&#39;</span>
 
 
-<div class="viewcode-block" id="IndexArray">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.indexes.IndexArray">[docs]</a>
-<span class="k">class</span> <span class="nc">IndexArray</span><span class="p">(</span><span class="n">indexesextension</span><span class="o">.</span><span class="n">IndexArray</span><span class="p">,</span> <span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">EArray</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Represent the index (sorted or reverse index) dataset in HDF5 file.</span>
+<div class="viewcode-block" id="IndexArray"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.indexes.IndexArray">[docs]</a><span class="k">class</span> <span class="nc">IndexArray</span><span class="p">(</span><span class="n">indexesextension</span><span class="o">.</span><span class="n">IndexArray</span><span class="p">,</span> <span class="n">NotLoggedMixin</span><span class="p">,</span> <span class="n">EArray</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Represent the index (sorted or reverse index) dataset in HDF5 file.</span>
 
 <span class="sd">    All NumPy typecodes are supported except for complex datatypes.</span>
 
@@ -155,18 +151,18 @@ <h1>Source code for tables.indexes</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">chunksize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The chunksize for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The chunksize for this object.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">chunkshape</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">slicesize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The slicesize for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The slicesize for this object.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span>
                  <span class="n">atom</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span>
                  <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create an IndexArray instance.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create an IndexArray instance.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">_g_join</span><span class="p">(</span><span class="n">name</span><span class="p">)</span>
         <span class="k">if</span> <span class="n">atom</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
@@ -250,20 +246,19 @@ <h1>Source code for tables.indexes</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="n">result1</span><span class="p">,</span> <span class="n">result2</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A compact representation of this class&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A compact representation of this class&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;IndexArray(path=</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="si">}</span><span class="s2">)&quot;</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A verbose representation of this class.&quot;&quot;&quot;</span>
-
-        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">}</span>
-<span class="s2">  atom = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="si">!r}</span>
-<span class="s2">  shape = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="si">}</span>
-<span class="s2">  nrows = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="si">}</span>
-<span class="s2">  chunksize = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span><span class="si">}</span>
-<span class="s2">  slicesize = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span><span class="si">}</span>
+        <span class="sd">&quot;&quot;&quot;A verbose representation of this class.&quot;&quot;&quot;</span>
+
+        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  atom = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="si">!r}</span><span class="s2"></span>
+<span class="s2">  shape = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  nrows = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  chunksize = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">chunksize</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  slicesize = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">slicesize</span><span class="si">}</span><span class="s2"></span>
 <span class="s2">  byteorder = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="si">!r}</span><span class="s2">&quot;&quot;&quot;</span></div>
-
 </pre></div>
 
            </div>
diff --git a/_modules/tables/leaf.html b/_modules/tables/leaf.html
index 5df3c5f..d0db3e1 100644
--- a/_modules/tables/leaf.html
+++ b/_modules/tables/leaf.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.leaf &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.leaf &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.leaf</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.leaf</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -113,7 +111,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">csformula</span><span class="p">(</span><span class="n">expected_mb</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Return the fitted chunksize for expected_mb.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Return the fitted chunksize for expected_mb.&quot;&quot;&quot;</span>
 
     <span class="c1"># For a basesize of 8 KB, this will return:</span>
     <span class="c1"># 8 KB for datasets &lt;= 1 MB</span>
@@ -123,7 +121,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">limit_es</span><span class="p">(</span><span class="n">expected_mb</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Protection against creating too small or too large chunks.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Protection against creating too small or too large chunks.&quot;&quot;&quot;</span>
 
     <span class="k">if</span> <span class="n">expected_mb</span> <span class="o">&lt;</span> <span class="mi">1</span><span class="p">:</span>        <span class="c1"># &lt; 1 MB</span>
         <span class="n">expected_mb</span> <span class="o">=</span> <span class="mi">1</span>
@@ -133,7 +131,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">calc_chunksize</span><span class="p">(</span><span class="n">expected_mb</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Compute the optimum HDF5 chunksize for I/O purposes.</span>
+    <span class="sd">&quot;&quot;&quot;Compute the optimum HDF5 chunksize for I/O purposes.</span>
 
 <span class="sd">    Rational: HDF5 takes the data in bunches of chunksize length to</span>
 <span class="sd">    write the on disk. A BTree in memory is used to map structures on</span>
@@ -157,10 +155,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">chunksize</span> <span class="o">*</span> <span class="mi">8</span>
 
 
-<div class="viewcode-block" id="Leaf">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf">[docs]</a>
-<span class="k">class</span> <span class="nc">Leaf</span><span class="p">(</span><span class="n">Node</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Abstract base class for all PyTables leaves.</span>
+<div class="viewcode-block" id="Leaf"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf">[docs]</a><span class="k">class</span> <span class="nc">Leaf</span><span class="p">(</span><span class="n">Node</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Abstract base class for all PyTables leaves.</span>
 
 <span class="sd">    A leaf is a node (see the Node class in :class:`Node`) which hangs from a</span>
 <span class="sd">    group (see the Group class in :class:`Group`) but, unlike a group, it can</span>
@@ -212,21 +208,21 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
     <span class="c1"># These are a little hard to override, but so are properties.</span>
     <span class="n">attrs</span> <span class="o">=</span> <span class="n">Node</span><span class="o">.</span><span class="n">_v_attrs</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;The associated AttributeSet instance - see :ref:`AttributeSetClassDescr`</span>
+    <span class="sd">&quot;&quot;&quot;The associated AttributeSet instance - see :ref:`AttributeSetClassDescr`</span>
 <span class="sd">    (This is an easier-to-write alias of :attr:`Node._v_attrs`.&quot;&quot;&quot;</span>
     <span class="n">title</span> <span class="o">=</span> <span class="n">Node</span><span class="o">.</span><span class="n">_v_title</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;A description for this node</span>
+    <span class="sd">&quot;&quot;&quot;A description for this node</span>
 <span class="sd">    (This is an easier-to-write alias of :attr:`Node._v_title`).&quot;&quot;&quot;</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">name</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The name of this node in its parent group (This is an</span>
+        <span class="sd">&quot;&quot;&quot;The name of this node in its parent group (This is an</span>
 <span class="sd">        easier-to-write alias of :attr:`Node._v_name`).&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_name</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">chunkshape</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The HDF5 chunk size for chunked leaves (a tuple).</span>
+        <span class="sd">&quot;&quot;&quot;The HDF5 chunk size for chunked leaves (a tuple).</span>
 
 <span class="sd">        This is read-only because you cannot change the chunk size of a</span>
 <span class="sd">        leaf once it has been created.</span>
@@ -235,7 +231,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">object_id</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A node identifier, which may change from run to run.</span>
+        <span class="sd">&quot;&quot;&quot;A node identifier, which may change from run to run.</span>
 <span class="sd">        (This is an easier-to-write alias of :attr:`Node._v_objectid`).</span>
 
 <span class="sd">        .. versionchanged:: 3.0</span>
@@ -246,14 +242,14 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">ndim</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The number of dimensions of the leaf data.</span>
+        <span class="sd">&quot;&quot;&quot;The number of dimensions of the leaf data.</span>
 
 <span class="sd">        .. versionadded: 2.4&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">filters</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Filter properties for this leaf.</span>
+        <span class="sd">&quot;&quot;&quot;Filter properties for this leaf.</span>
 
 <span class="sd">        See Also</span>
 <span class="sd">        --------</span>
@@ -265,7 +261,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">track_times</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether timestamps for the leaf are recorded</span>
+        <span class="sd">&quot;&quot;&quot;Whether timestamps for the leaf are recorded</span>
 
 <span class="sd">        If the leaf is not a dataset, this will fail with HDF5ExtError.</span>
 
@@ -279,7 +275,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">maindim</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The dimension along which iterators work.</span>
+        <span class="sd">&quot;&quot;&quot;The dimension along which iterators work.</span>
 
 <span class="sd">        Its value is 0 (i.e. the first dimension) when the dataset is not</span>
 <span class="sd">        extendable, and self.extdim (where available) for extendable ones.</span>
@@ -291,7 +287,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">flavor</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The type of data object read from this leaf.</span>
+        <span class="sd">&quot;&quot;&quot;The type of data object read from this leaf.</span>
 
 <span class="sd">        It can be any of &#39;numpy&#39; or &#39;python&#39;.</span>
 
@@ -315,7 +311,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">size_on_disk</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        The size of this leaf&#39;s data in bytes as it is stored on disk.  If the</span>
 <span class="sd">        data is compressed, this shows the compressed size.  In the case of</span>
 <span class="sd">        uncompressed, chunked data, this may be slightly larger than the amount</span>
@@ -328,16 +324,16 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
                  <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_log</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
                  <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="n">new</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrowsinbuf</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        The number of rows that fits in internal input buffers.</span>
 
 <span class="sd">        You can change this to fine-tune the speed or memory</span>
 <span class="sd">        requirements of your application.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_flavor</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private storage for the `flavor` property.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private storage for the `flavor` property.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">new</span><span class="p">:</span>
             <span class="c1"># Get filter properties from parent group if not given.</span>
@@ -350,7 +346,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
                     <span class="s2">&quot;the byteorder can only take &#39;little&#39; or &#39;big&#39; values &quot;</span>
                     <span class="s2">&quot;and you passed: </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">byteorder</span><span class="p">)</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span> <span class="o">=</span> <span class="n">byteorder</span>
-<span class="w">            </span><span class="sd">&quot;&quot;&quot;The byte ordering of the leaf data *on disk*.&quot;&quot;&quot;</span>
+            <span class="sd">&quot;&quot;&quot;The byte ordering of the leaf data *on disk*.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_want_track_times</span> <span class="o">=</span> <span class="n">track_times</span>
 
@@ -359,10 +355,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">_log</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Leaf.__len__">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.__len__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the length of the main dimension of the leaf data.</span>
+<div class="viewcode-block" id="Leaf.__len__"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.__len__">[docs]</a>    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return the length of the main dimension of the leaf data.</span>
 
 <span class="sd">        Please note that this may raise an OverflowError on 32-bit platforms</span>
 <span class="sd">        for datasets having more than 2**31-1 rows.  This is a limitation of</span>
@@ -372,9 +366,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span></div>
 
-
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The string representation for this object is its pathname in the</span>
+        <span class="sd">&quot;&quot;&quot;The string representation for this object is its pathname in the</span>
 <span class="sd">        HDF5 object tree plus some additional metainfo.&quot;&quot;&quot;</span>
 
         <span class="n">filters</span> <span class="o">=</span> <span class="p">[]</span>
@@ -390,7 +383,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
                 <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="si">}{</span><span class="s1">&#39;, &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">filters</span><span class="p">)</span><span class="si">}</span><span class="s2">) </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_title</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_post_init_hook</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Code to be run after node creation and before creation logging.</span>
+        <span class="sd">&quot;&quot;&quot;Code to be run after node creation and before creation logging.</span>
 
 <span class="sd">        This method gets or sets the flavor of the leaf.</span>
 
@@ -411,7 +404,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_flavor</span> <span class="o">=</span> <span class="n">internal_flavor</span>
 
     <span class="k">def</span> <span class="nf">_calc_chunkshape</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expectedrows</span><span class="p">,</span> <span class="n">rowsize</span><span class="p">,</span> <span class="n">itemsize</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Calculate the shape for the HDF5 chunk.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Calculate the shape for the HDF5 chunk.&quot;&quot;&quot;</span>
 
         <span class="c1"># In case of a scalar shape, return the unit chunksize</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="p">():</span>
@@ -479,7 +472,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">SizeType</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">chunkshape</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_calc_nrowsinbuf</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Calculate the number of rows that fits on a PyTables buffer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Calculate the number of rows that fits on a PyTables buffer.&quot;&quot;&quot;</span>
 
         <span class="n">params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span>
         <span class="c1"># Compute the nrowsinbuf</span>
@@ -584,7 +577,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">new_node</span>
 
     <span class="k">def</span> <span class="nf">_g_fix_byteorder_data</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">data</span><span class="p">,</span> <span class="n">dbyteorder</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Fix the byteorder of data passed in constructors.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Fix the byteorder of data passed in constructors.&quot;&quot;&quot;</span>
         <span class="n">dbyteorder</span> <span class="o">=</span> <span class="n">byteorders</span><span class="p">[</span><span class="n">dbyteorder</span><span class="p">]</span>
         <span class="c1"># If self.byteorder has not been passed as an argument of</span>
         <span class="c1"># the constructor, then set it to the same value of data.</span>
@@ -608,7 +601,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">data</span>
 
     <span class="k">def</span> <span class="nf">_point_selection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Perform a point-wise selection.</span>
+        <span class="sd">&quot;&quot;&quot;Perform a point-wise selection.</span>
 
 <span class="sd">        `key` can be any of the following items:</span>
 
@@ -689,10 +682,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">coords</span>
 
     <span class="c1"># Tree manipulation</span>
-<div class="viewcode-block" id="Leaf.remove">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.remove">[docs]</a>
-    <span class="k">def</span> <span class="nf">remove</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove this node from the hierarchy.</span>
+<div class="viewcode-block" id="Leaf.remove"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.remove">[docs]</a>    <span class="k">def</span> <span class="nf">remove</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Remove this node from the hierarchy.</span>
 
 <span class="sd">        This method has the behavior described</span>
 <span class="sd">        in :meth:`Node._f_remove`. Please note that there is no recursive flag</span>
@@ -702,11 +693,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_f_remove</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Leaf.rename">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.rename">[docs]</a>
-    <span class="k">def</span> <span class="nf">rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Rename this node in place.</span>
+<div class="viewcode-block" id="Leaf.rename"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.rename">[docs]</a>    <span class="k">def</span> <span class="nf">rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newname</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Rename this node in place.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_rename()`.</span>
 
@@ -714,12 +702,9 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_f_rename</span><span class="p">(</span><span class="n">newname</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Leaf.move">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.move">[docs]</a>
-    <span class="k">def</span> <span class="nf">move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Leaf.move"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.move">[docs]</a>    <span class="k">def</span> <span class="nf">move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
              <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Move or rename this node.</span>
+        <span class="sd">&quot;&quot;&quot;Move or rename this node.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_move`</span>
 
@@ -727,12 +712,9 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_f_move</span><span class="p">(</span><span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="p">,</span> <span class="n">createparents</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Leaf.copy">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Leaf.copy"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.copy">[docs]</a>    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
              <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy this node and return the new one.</span>
+        <span class="sd">&quot;&quot;&quot;Copy this node and return the new one.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_copy`. Please</span>
 <span class="sd">        note that there is no recursive flag since leaves do not have child</span>
@@ -781,11 +763,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_copy</span><span class="p">(</span>
             <span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="p">,</span> <span class="n">createparents</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Leaf.truncate">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.truncate">[docs]</a>
-    <span class="k">def</span> <span class="nf">truncate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Truncate the main dimension to be size rows.</span>
+<div class="viewcode-block" id="Leaf.truncate"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.truncate">[docs]</a>    <span class="k">def</span> <span class="nf">truncate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Truncate the main dimension to be size rows.</span>
 
 <span class="sd">        If the main dimension previously was larger than this size, the extra</span>
 <span class="sd">        data is lost.  If the main dimension previously was shorter, it is</span>
@@ -801,11 +780,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">&quot;non-enlargeable datasets cannot be truncated&quot;</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_truncate</span><span class="p">(</span><span class="n">size</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Leaf.isvisible">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.isvisible">[docs]</a>
-    <span class="k">def</span> <span class="nf">isvisible</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this node visible?</span>
+<div class="viewcode-block" id="Leaf.isvisible"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.isvisible">[docs]</a>    <span class="k">def</span> <span class="nf">isvisible</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is this node visible?</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_isvisible()`.</span>
 
@@ -813,12 +789,9 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_isvisible</span><span class="p">()</span></div>
 
-
     <span class="c1"># Attribute handling</span>
-<div class="viewcode-block" id="Leaf.get_attr">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.get_attr">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a PyTables attribute from this node.</span>
+<div class="viewcode-block" id="Leaf.get_attr"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.get_attr">[docs]</a>    <span class="k">def</span> <span class="nf">get_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a PyTables attribute from this node.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_getattr`.</span>
 
@@ -826,11 +799,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_getattr</span><span class="p">(</span><span class="n">name</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Leaf.set_attr">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.set_attr">[docs]</a>
-    <span class="k">def</span> <span class="nf">set_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a PyTables attribute for this node.</span>
+<div class="viewcode-block" id="Leaf.set_attr"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.set_attr">[docs]</a>    <span class="k">def</span> <span class="nf">set_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a PyTables attribute for this node.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_setattr()`.</span>
 
@@ -838,11 +808,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_f_setattr</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Leaf.del_attr">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.del_attr">[docs]</a>
-    <span class="k">def</span> <span class="nf">del_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Delete a PyTables attribute from this node.</span>
+<div class="viewcode-block" id="Leaf.del_attr"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.del_attr">[docs]</a>    <span class="k">def</span> <span class="nf">del_attr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Delete a PyTables attribute from this node.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node_f_delAttr`.</span>
 
@@ -850,12 +817,9 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_f_delattr</span><span class="p">(</span><span class="n">name</span><span class="p">)</span></div>
 
-
     <span class="c1"># Data handling</span>
-<div class="viewcode-block" id="Leaf.flush">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.flush">[docs]</a>
-    <span class="k">def</span> <span class="nf">flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Flush pending data to disk.</span>
+<div class="viewcode-block" id="Leaf.flush"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.flush">[docs]</a>    <span class="k">def</span> <span class="nf">flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Flush pending data to disk.</span>
 
 <span class="sd">        Saves whatever remaining buffered data to disk. It also releases</span>
 <span class="sd">        I/O buffers, so if you are filling many datasets in the same</span>
@@ -866,11 +830,8 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_flush</span><span class="p">()</span></div>
 
-
-<div class="viewcode-block" id="Leaf._f_close">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf._f_close">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_close</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">flush</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close this node in the tree.</span>
+<div class="viewcode-block" id="Leaf._f_close"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf._f_close">[docs]</a>    <span class="k">def</span> <span class="nf">_f_close</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">flush</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Close this node in the tree.</span>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_close`.</span>
 <span class="sd">        Besides that, the optional argument flush tells whether to flush</span>
@@ -894,19 +855,14 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="c1"># Close myself as a node.</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_f_close</span><span class="p">()</span></div>
 
-
-<div class="viewcode-block" id="Leaf.close">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.close">[docs]</a>
-    <span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">flush</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close this node in the tree.</span>
+<div class="viewcode-block" id="Leaf.close"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Leaf.close">[docs]</a>    <span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">flush</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Close this node in the tree.</span>
 
 <span class="sd">        This method is completely equivalent to :meth:`Leaf._f_close`.</span>
 
 <span class="sd">        &quot;&quot;&quot;</span>
 
-        <span class="bp">self</span><span class="o">.</span><span class="n">_f_close</span><span class="p">(</span><span class="n">flush</span><span class="p">)</span></div>
-</div>
-
+        <span class="bp">self</span><span class="o">.</span><span class="n">_f_close</span><span class="p">(</span><span class="n">flush</span><span class="p">)</span></div></div>
 </pre></div>
 
            </div>
diff --git a/_modules/tables/link.html b/_modules/tables/link.html
index 7011ef3..2933cff 100644
--- a/_modules/tables/link.html
+++ b/_modules/tables/link.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.link &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.link &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.link</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.link</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -120,15 +118,13 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_g_get_link_class</span><span class="p">(</span><span class="n">parent_id</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Guess the link class.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Guess the link class.&quot;&quot;&quot;</span>
 
     <span class="k">return</span> <span class="n">linkextension</span><span class="o">.</span><span class="n">_get_link_class</span><span class="p">(</span><span class="n">parent_id</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="Link">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link">[docs]</a>
-<span class="k">class</span> <span class="nc">Link</span><span class="p">(</span><span class="n">Node</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Abstract base class for all PyTables links.</span>
+<div class="viewcode-block" id="Link"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link">[docs]</a><span class="k">class</span> <span class="nc">Link</span><span class="p">(</span><span class="n">Node</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Abstract base class for all PyTables links.</span>
 
 <span class="sd">    A link is a node that refers to another node.  The Link class inherits from</span>
 <span class="sd">    Node class and the links that inherits from Link are SoftLink and</span>
@@ -150,7 +146,7 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
     <span class="c1"># Properties</span>
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">_v_attrs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        A *NoAttrs* instance replacing the typical *AttributeSet* instance of</span>
 <span class="sd">        other node objects.  The purpose of *NoAttrs* is to make clear that</span>
 <span class="sd">        HDF5 attributes are not supported in link nodes.</span>
@@ -171,16 +167,14 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_log</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="n">target</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">target</span> <span class="o">=</span> <span class="n">target</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The path string to the pointed node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The path string to the pointed node.&quot;&quot;&quot;</span>
 
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">_log</span><span class="p">)</span>
 
     <span class="c1"># Public and tailored versions for copy, move, rename and remove methods</span>
-<div class="viewcode-block" id="Link.copy">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Link.copy"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.copy">[docs]</a>    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
              <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy this link and return the new one.</span>
+        <span class="sd">&quot;&quot;&quot;Copy this link and return the new one.</span>
 
 <span class="sd">        See :meth:`Node._f_copy` for a complete explanation of the arguments.</span>
 <span class="sd">        Please note that there is no recursive flag since links do not have</span>
@@ -195,11 +189,8 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
         <span class="n">newnode</span><span class="o">.</span><span class="n">_v_parent</span><span class="o">.</span><span class="n">_g_refnode</span><span class="p">(</span><span class="n">newnode</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">newnode</span></div>
 
-
-<div class="viewcode-block" id="Link.move">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.move">[docs]</a>
-    <span class="k">def</span> <span class="nf">move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Move or rename this link.</span>
+<div class="viewcode-block" id="Link.move"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.move">[docs]</a>    <span class="k">def</span> <span class="nf">move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Move or rename this link.</span>
 
 <span class="sd">        See :meth:`Node._f_move` for a complete explanation of the arguments.</span>
 
@@ -208,19 +199,13 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_move</span><span class="p">(</span><span class="n">newparent</span><span class="o">=</span><span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="n">newname</span><span class="p">,</span>
                             <span class="n">overwrite</span><span class="o">=</span><span class="n">overwrite</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Link.remove">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.remove">[docs]</a>
-    <span class="k">def</span> <span class="nf">remove</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove this link from the hierarchy.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="Link.remove"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.remove">[docs]</a>    <span class="k">def</span> <span class="nf">remove</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Remove this link from the hierarchy.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_remove</span><span class="p">()</span></div>
 
-
-<div class="viewcode-block" id="Link.rename">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.rename">[docs]</a>
-    <span class="k">def</span> <span class="nf">rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Rename this link in place.</span>
+<div class="viewcode-block" id="Link.rename"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.Link.rename">[docs]</a>    <span class="k">def</span> <span class="nf">rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Rename this link in place.</span>
 
 <span class="sd">        See :meth:`Node._f_rename` for a complete explanation of the arguments.</span>
 
@@ -228,16 +213,12 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_f_rename</span><span class="p">(</span><span class="n">newname</span><span class="o">=</span><span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="n">overwrite</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="SoftLink">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.SoftLink">[docs]</a>
-<span class="k">class</span> <span class="nc">SoftLink</span><span class="p">(</span><span class="n">linkextension</span><span class="o">.</span><span class="n">SoftLink</span><span class="p">,</span> <span class="n">Link</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Represents a soft link (aka symbolic link).</span>
+<div class="viewcode-block" id="SoftLink"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.SoftLink">[docs]</a><span class="k">class</span> <span class="nc">SoftLink</span><span class="p">(</span><span class="n">linkextension</span><span class="o">.</span><span class="n">SoftLink</span><span class="p">,</span> <span class="n">Link</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Represents a soft link (aka symbolic link).</span>
 
 <span class="sd">    A soft link is a reference to another node in the *same* file hierarchy.</span>
 <span class="sd">    Provided that the target node exists, its attributes and methods can be</span>
@@ -300,10 +281,8 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
                        <span class="s1">&#39;__unicode__&#39;</span><span class="p">,</span> <span class="s1">&#39;__class__&#39;</span><span class="p">,</span> <span class="s1">&#39;__dict__&#39;</span><span class="p">)</span>
     <span class="n">_link_attrprefixes</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;_f_&#39;</span><span class="p">,</span> <span class="s1">&#39;_c_&#39;</span><span class="p">,</span> <span class="s1">&#39;_g_&#39;</span><span class="p">,</span> <span class="s1">&#39;_v_&#39;</span><span class="p">)</span>
 
-<div class="viewcode-block" id="SoftLink.__call__">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.SoftLink.__call__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dereference `self.target` and return the object.</span>
+<div class="viewcode-block" id="SoftLink.__call__"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.SoftLink.__call__">[docs]</a>    <span class="k">def</span> <span class="fm">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Dereference `self.target` and return the object.</span>
 
 <span class="sd">        Examples</span>
 <span class="sd">        --------</span>
@@ -320,7 +299,6 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">dereference</span><span class="p">()</span></div>
 
-
     <span class="k">def</span> <span class="nf">dereference</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_isopen</span><span class="p">:</span>
@@ -369,7 +347,7 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">dereference</span><span class="p">()</span><span class="o">.</span><span class="fm">__setattr__</span><span class="p">(</span><span class="n">attrname</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;__getitem__ must be defined in the SoftLink class in order for array</span>
+        <span class="sd">&quot;&quot;&quot;__getitem__ must be defined in the SoftLink class in order for array</span>
 <span class="sd">        indexing syntax to work&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_isopen</span><span class="p">:</span>
@@ -380,7 +358,7 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">dereference</span><span class="p">()</span><span class="o">.</span><span class="fm">__getitem__</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;__setitem__ must be defined in the SoftLink class in order for array</span>
+        <span class="sd">&quot;&quot;&quot;__setitem__ must be defined in the SoftLink class in order for array</span>
 <span class="sd">        indexing syntax to work&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_isopen</span><span class="p">:</span>
@@ -393,10 +371,8 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
     <span class="k">def</span> <span class="nf">is_dangling</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="k">return</span> <span class="ow">not</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">dereference</span><span class="p">()</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="p">)</span>
 
-<div class="viewcode-block" id="SoftLink.__str__">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.SoftLink.__str__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a short string representation of the link.</span>
+<div class="viewcode-block" id="SoftLink.__str__"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.SoftLink.__str__">[docs]</a>    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a short string representation of the link.</span>
 
 <span class="sd">        Examples</span>
 <span class="sd">        --------</span>
@@ -417,15 +393,11 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
         <span class="n">closed</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_isopen</span> <span class="k">else</span> <span class="s2">&quot;closed &quot;</span>
         <span class="n">dangling</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span> <span class="k">if</span> <span class="n">target</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span> <span class="k">else</span> <span class="s2">&quot; (dangling)&quot;</span>
         <span class="k">return</span> <span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">closed</span><span class="si">}{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">) -&gt; &quot;</span>
-                <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">target</span><span class="si">}{</span><span class="n">dangling</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span></div>
-</div>
-
+                <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">target</span><span class="si">}{</span><span class="n">dangling</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span></div></div>
 
 
-<div class="viewcode-block" id="ExternalLink">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink">[docs]</a>
-<span class="k">class</span> <span class="nc">ExternalLink</span><span class="p">(</span><span class="n">linkextension</span><span class="o">.</span><span class="n">ExternalLink</span><span class="p">,</span> <span class="n">Link</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Represents an external link.</span>
+<div class="viewcode-block" id="ExternalLink"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink">[docs]</a><span class="k">class</span> <span class="nc">ExternalLink</span><span class="p">(</span><span class="n">linkextension</span><span class="o">.</span><span class="n">ExternalLink</span><span class="p">,</span> <span class="n">Link</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Represents an external link.</span>
 
 <span class="sd">    An external link is a reference to a node in *another* file.</span>
 <span class="sd">    Getting access to the pointed node (this action is called</span>
@@ -447,22 +419,20 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_log</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">extfile</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The external file handler, if the link has been dereferenced.</span>
+        <span class="sd">&quot;&quot;&quot;The external file handler, if the link has been dereferenced.</span>
 <span class="sd">        In case the link has not been dereferenced yet, its value is</span>
 <span class="sd">        None.&quot;&quot;&quot;</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">target</span><span class="p">,</span> <span class="n">_log</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_get_filename_node</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the external filename and nodepath from `self.target`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return the external filename and nodepath from `self.target`.&quot;&quot;&quot;</span>
 
         <span class="c1"># This is needed for avoiding the &#39;C:\\file.h5&#39; filepath notation</span>
         <span class="n">filename</span><span class="p">,</span> <span class="n">target</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">target</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;:/&#39;</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">filename</span><span class="p">,</span> <span class="s1">&#39;/&#39;</span> <span class="o">+</span> <span class="n">target</span>
 
-<div class="viewcode-block" id="ExternalLink.__call__">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink.__call__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Dereference self.target and return the object.</span>
+<div class="viewcode-block" id="ExternalLink.__call__"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink.__call__">[docs]</a>    <span class="k">def</span> <span class="fm">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Dereference self.target and return the object.</span>
 
 <span class="sd">        You can pass all the arguments supported by the :func:`open_file`</span>
 <span class="sd">        function (except filename, of course) so as to open the referenced</span>
@@ -501,11 +471,8 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">extfile</span><span class="o">.</span><span class="n">_get_node</span><span class="p">(</span><span class="n">target</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="ExternalLink.umount">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink.umount">[docs]</a>
-    <span class="k">def</span> <span class="nf">umount</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Safely unmount self.extfile, if opened.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="ExternalLink.umount"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink.umount">[docs]</a>    <span class="k">def</span> <span class="nf">umount</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Safely unmount self.extfile, if opened.&quot;&quot;&quot;</span>
 
         <span class="n">extfile</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">extfile</span>
         <span class="c1"># Close external file, if open</span>
@@ -513,17 +480,14 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
             <span class="n">extfile</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">extfile</span> <span class="o">=</span> <span class="kc">None</span></div>
 
-
     <span class="k">def</span> <span class="nf">_f_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Especific close for external links.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Especific close for external links.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">umount</span><span class="p">()</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_f_close</span><span class="p">()</span>
 
-<div class="viewcode-block" id="ExternalLink.__str__">
-<a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink.__str__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return a short string representation of the link.</span>
+<div class="viewcode-block" id="ExternalLink.__str__"><a class="viewcode-back" href="../../usersguide/libref/link_classes.html#tables.link.ExternalLink.__str__">[docs]</a>    <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return a short string representation of the link.</span>
 
 <span class="sd">        Examples</span>
 <span class="sd">        --------</span>
@@ -538,9 +502,7 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
 <span class="sd">        &quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}</span><span class="s2">) -&gt; &quot;</span>
-                <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">target</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span></div>
-</div>
-
+                <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">target</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span></div></div>
 </pre></div>
 
            </div>
diff --git a/_modules/tables/misc/enum.html b/_modules/tables/misc/enum.html
index 38d8b3b..a949616 100644
--- a/_modules/tables/misc/enum.html
+++ b/_modules/tables/misc/enum.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.misc.enum &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.misc.enum &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../../" id="documentation_options" src="../../../_static/documentation_options.js"></script>
+        <script src="../../../_static/jquery.js"></script>
+        <script src="../../../_static/underscore.js"></script>
+        <script src="../../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../../_static/doctools.js"></script>
     <script src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../../index.html">
-            
-              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../../index.html">
+            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.misc.enum</li>
+      <li><a href="../../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../../index.html">Module code</a> &raquo;</li>
+      <li>tables.misc.enum</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -115,10 +113,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 <span class="sd">&quot;&quot;&quot;The format of documentation strings in this module.&quot;&quot;&quot;</span>
 
 
-<div class="viewcode-block" id="Enum">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum">[docs]</a>
-<span class="k">class</span> <span class="nc">Enum</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Enumerated type.</span>
+<div class="viewcode-block" id="Enum"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum">[docs]</a><span class="k">class</span> <span class="nc">Enum</span><span class="p">:</span>
+    <span class="sd">&quot;&quot;&quot;Enumerated type.</span>
 
 <span class="sd">    Each instance of this class represents an enumerated type. The</span>
 <span class="sd">    values of the type must be declared</span>
@@ -218,7 +214,7 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 <span class="s2">sequences, mappings and other enumerations&quot;&quot;&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_check_and_set_pair</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Check validity of enumerated value and insert it into type.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Check validity of enumerated value and insert it into type.&quot;&quot;&quot;</span>
 
         <span class="n">names</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_names</span>
         <span class="n">values</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_values</span>
@@ -244,10 +240,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
         <span class="n">values</span><span class="p">[</span><span class="n">value</span><span class="p">]</span> <span class="o">=</span> <span class="n">name</span>
         <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
 
-<div class="viewcode-block" id="Enum.__getitem__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__getitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the concrete value of the enumerated value with that name.</span>
+<div class="viewcode-block" id="Enum.__getitem__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__getitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the concrete value of the enumerated value with that name.</span>
 
 <span class="sd">        The name of the enumerated value must be a string. If there is no value</span>
 <span class="sd">        with that name in the enumeration, a KeyError is raised.</span>
@@ -275,19 +269,16 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
         <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">KeyError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;no enumerated value with that name: </span><span class="si">{</span><span class="n">name</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
         <span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="s2">&quot;operation not allowed&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__delitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
         <span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="s2">&quot;operation not allowed&quot;</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Enum.__getattr__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__getattr__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the concrete value of the enumerated value with that name.</span>
+<div class="viewcode-block" id="Enum.__getattr__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__getattr__">[docs]</a>    <span class="k">def</span> <span class="fm">__getattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the concrete value of the enumerated value with that name.</span>
 
 <span class="sd">        The name of the enumerated value must be a string. If there is no value</span>
 <span class="sd">        with that name in the enumeration, an AttributeError is raised.</span>
@@ -314,19 +305,16 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
         <span class="k">except</span> <span class="ne">KeyError</span> <span class="k">as</span> <span class="n">ke</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">(</span><span class="o">*</span><span class="n">ke</span><span class="o">.</span><span class="n">args</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="fm">__setattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
         <span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">(</span><span class="s2">&quot;operation not allowed&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__delattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This operation is forbidden.&quot;&quot;&quot;</span>
         <span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">(</span><span class="s2">&quot;operation not allowed&quot;</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Enum.__contains__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__contains__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is there an enumerated value with that name in the type?</span>
+<div class="viewcode-block" id="Enum.__contains__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__contains__">[docs]</a>    <span class="k">def</span> <span class="fm">__contains__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is there an enumerated value with that name in the type?</span>
 
 <span class="sd">        If the enumerated type has an enumerated value with that name, True is</span>
 <span class="sd">        returned.  Otherwise, False is returned. The name must be a string.</span>
@@ -362,11 +350,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
                 <span class="sa">f</span><span class="s2">&quot;name of enumerated value is not a string: </span><span class="si">{</span><span class="n">name</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_names</span></div>
 
-
-<div class="viewcode-block" id="Enum.__call__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__call__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">,</span> <span class="o">*</span><span class="n">default</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the name of the enumerated value with that concrete value.</span>
+<div class="viewcode-block" id="Enum.__call__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__call__">[docs]</a>    <span class="k">def</span> <span class="fm">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">,</span> <span class="o">*</span><span class="n">default</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the name of the enumerated value with that concrete value.</span>
 
 <span class="sd">        If there is no value with that concrete value in the enumeration and a</span>
 <span class="sd">        second argument is given as a default, this is returned. Else, a</span>
@@ -402,11 +387,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
                 <span class="sa">f</span><span class="s2">&quot;no enumerated value with that concrete value: </span><span class="si">{</span><span class="n">value</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Enum.__len__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__len__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the number of enumerated values in the enumerated type.</span>
+<div class="viewcode-block" id="Enum.__len__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__len__">[docs]</a>    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return the number of enumerated values in the enumerated type.</span>
 
 <span class="sd">        Examples</span>
 <span class="sd">        --------</span>
@@ -417,11 +399,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_names</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Enum.__iter__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__iter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the enumerated values.</span>
+<div class="viewcode-block" id="Enum.__iter__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__iter__">[docs]</a>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the enumerated values.</span>
 
 <span class="sd">        Enumerated values are returned as (name, value) pairs *in no particular</span>
 <span class="sd">        order*.</span>
@@ -438,11 +417,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 
         <span class="k">yield from</span> <span class="bp">self</span><span class="o">.</span><span class="n">_names</span><span class="o">.</span><span class="n">items</span><span class="p">()</span></div>
 
-
-<div class="viewcode-block" id="Enum.__eq__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__eq__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is the other enumerated type equivalent to this one?</span>
+<div class="viewcode-block" id="Enum.__eq__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__eq__">[docs]</a>    <span class="k">def</span> <span class="fm">__eq__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is the other enumerated type equivalent to this one?</span>
 
 <span class="sd">        Two enumerated types are equivalent if they have exactly the same</span>
 <span class="sd">        enumerated values (i.e. with the same names and concrete values).</span>
@@ -488,9 +464,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="kc">False</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_names</span> <span class="o">==</span> <span class="n">other</span><span class="o">.</span><span class="n">_names</span></div>
 
-
     <span class="k">def</span> <span class="fm">__ne__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is the `other` enumerated type different from this one?</span>
+        <span class="sd">&quot;&quot;&quot;Is the `other` enumerated type different from this one?</span>
 
 <span class="sd">        Two enumerated types are different if they don&#39;t have exactly</span>
 <span class="sd">        the same enumerated values (i.e. with the same names and</span>
@@ -529,10 +504,8 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
     <span class="c1"># Overriding __eq__ blocks inheritance of __hash__ in 3.x</span>
     <span class="c1"># def __hash__(self):</span>
     <span class="c1">#    return hash((self.__class__, tuple(self._names.items())))</span>
-<div class="viewcode-block" id="Enum.__repr__">
-<a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__repr__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the canonical string representation of the enumeration. The</span>
+<div class="viewcode-block" id="Enum.__repr__"><a class="viewcode-back" href="../../../usersguide/libref/helper_classes.html#tables.misc.enum.Enum.__repr__">[docs]</a>    <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return the canonical string representation of the enumeration. The</span>
 <span class="sd">        output of this method can be evaluated to give a new enumeration object</span>
 <span class="sd">        that will compare equal to this one.</span>
 
@@ -543,9 +516,7 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 
 <span class="sd">        &quot;&quot;&quot;</span>
 
-        <span class="k">return</span> <span class="s1">&#39;Enum(</span><span class="si">%s</span><span class="s1">)&#39;</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">_names</span></div>
-</div>
-
+        <span class="k">return</span> <span class="s1">&#39;Enum(</span><span class="si">%s</span><span class="s1">)&#39;</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">_names</span></div></div>
 
 
 <span class="k">def</span> <span class="nf">_test</span><span class="p">():</span>
diff --git a/_modules/tables/node.html b/_modules/tables/node.html
index 51cb9cd..a777762 100644
--- a/_modules/tables/node.html
+++ b/_modules/tables/node.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.node &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.node &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.node</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.node</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -111,7 +109,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">_closedrepr</span><span class="p">(</span><span class="n">oldmethod</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Decorate string representation method to handle closed nodes.</span>
+    <span class="sd">&quot;&quot;&quot;Decorate string representation method to handle closed nodes.</span>
 
 <span class="sd">    If the node is closed, a string like this is returned::</span>
 
@@ -132,7 +130,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">MetaNode</span><span class="p">(</span><span class="nb">type</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Node metaclass.</span>
+    <span class="sd">&quot;&quot;&quot;Node metaclass.</span>
 
 <span class="sd">    This metaclass ensures that their instance classes get registered</span>
 <span class="sd">    into several dictionaries (namely the `tables.utils.class_name_dict`</span>
@@ -172,10 +170,8 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
                 <span class="n">class_id_dict</span><span class="p">[</span><span class="n">cid</span><span class="p">]</span> <span class="o">=</span> <span class="bp">cls</span>
 
 
-<div class="viewcode-block" id="Node">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node">[docs]</a>
-<span class="k">class</span> <span class="nc">Node</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">MetaNode</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Abstract base class for all PyTables nodes.</span>
+<div class="viewcode-block" id="Node"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node">[docs]</a><span class="k">class</span> <span class="nc">Node</span><span class="p">(</span><span class="n">metaclass</span><span class="o">=</span><span class="n">MetaNode</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Abstract base class for all PyTables nodes.</span>
 
 <span class="sd">    This is the base class for *all* nodes in a PyTables hierarchy. It is an</span>
 <span class="sd">    abstract class, i.e. it may not be directly instantiated; however, every</span>
@@ -234,7 +230,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 
     <span class="c1"># `_v_parent` is accessed via its file to avoid upwards references.</span>
     <span class="k">def</span> <span class="nf">_g_getparent</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The parent :class:`Group` instance&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The parent :class:`Group` instance&quot;&quot;&quot;</span>
         <span class="p">(</span><span class="n">parentpath</span><span class="p">,</span> <span class="n">nodename</span><span class="p">)</span> <span class="o">=</span> <span class="n">split_path</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">)</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">_get_node</span><span class="p">(</span><span class="n">parentpath</span><span class="p">)</span>
 
@@ -244,7 +240,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
     <span class="c1"># This saves 0.7s/3.8s.</span>
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">_v_attrs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The associated `AttributeSet` instance.</span>
+        <span class="sd">&quot;&quot;&quot;The associated `AttributeSet` instance.</span>
 
 <span class="sd">        See Also</span>
 <span class="sd">        --------</span>
@@ -257,7 +253,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
     <span class="c1"># &#39;_v_title&#39; is a direct read-write shorthand for the &#39;TITLE&#39; attribute</span>
     <span class="c1"># with the empty string as a default value.</span>
     <span class="k">def</span> <span class="nf">_g_gettitle</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A description of this node. A shorthand for TITLE attribute.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A description of this node. A shorthand for TITLE attribute.&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span><span class="p">,</span> <span class="s1">&#39;TITLE&#39;</span><span class="p">):</span>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span><span class="o">.</span><span class="n">TITLE</span>
         <span class="k">else</span><span class="p">:</span>
@@ -271,7 +267,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
     <span class="c1"># This may be looked up by ``__del__`` when ``__init__`` doesn&#39;t get</span>
     <span class="c1"># to be called.  See ticket #144 for more info.</span>
     <span class="n">_v_isopen</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Whehter this node is open or not.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Whehter this node is open or not.&quot;&quot;&quot;</span>
 
     <span class="c1"># The ``_log`` argument is only meant to be used by ``_g_copy_as_child()``</span>
     <span class="c1"># to avoid logging the creation of children nodes of a copied sub-tree.</span>
@@ -284,23 +280,23 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
             <span class="n">parentnode</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">dereference</span><span class="p">()</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The hosting File instance (see :ref:`FileClassDescr`).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The hosting File instance (see :ref:`FileClassDescr`).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_isopen</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether this node is open or not.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether this node is open or not.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The path of this node in the tree (a string).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The path of this node in the tree (a string).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_name</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The name of this node in its parent group (a string).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The name of this node in its parent group (a string).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_depth</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The depth of this node in the tree (an non-negative integer value).</span>
+        <span class="sd">&quot;&quot;&quot;The depth of this node in the tree (an non-negative integer value).</span>
 <span class="sd">        &quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_maxtreedepth</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;MAX_TREE_DEPTH&#39;</span><span class="p">]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maximum tree depth before warning the user.</span>
+        <span class="sd">&quot;&quot;&quot;Maximum tree depth before warning the user.</span>
 
 <span class="sd">        .. versionchanged:: 3.0</span>
 <span class="sd">           Renamed into *_v_maxtreedepth* from *_v_maxTreeDepth*.</span>
@@ -308,10 +304,10 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 <span class="sd">        &quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v__deleting</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is the node being deleted?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is the node being deleted?&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_objectid</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A node identifier (may change from run to run).</span>
+        <span class="sd">&quot;&quot;&quot;A node identifier (may change from run to run).</span>
 
 <span class="sd">        .. versionchanged:: 3.0</span>
 <span class="sd">           The *_v_objectID* attribute has been renamed into *_v_objectid*.</span>
@@ -399,19 +395,19 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_f_close</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_pre_kill_hook</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Code to be called before killing the node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Code to be called before killing the node.&quot;&quot;&quot;</span>
         <span class="k">pass</span>
 
     <span class="k">def</span> <span class="nf">_g_create</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new HDF5 node and return its object identifier.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create a new HDF5 node and return its object identifier.&quot;&quot;&quot;</span>
         <span class="k">raise</span> <span class="ne">NotImplementedError</span>
 
     <span class="k">def</span> <span class="nf">_g_open</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Open an existing HDF5 node and return its object identifier.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Open an existing HDF5 node and return its object identifier.&quot;&quot;&quot;</span>
         <span class="k">raise</span> <span class="ne">NotImplementedError</span>
 
     <span class="k">def</span> <span class="nf">_g_check_open</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Check that the node is open.</span>
+        <span class="sd">&quot;&quot;&quot;Check that the node is open.</span>
 
 <span class="sd">        If the node is closed, a `ClosedNodeError` is raised.</span>
 
@@ -422,7 +418,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">isopen</span><span class="p">,</span> <span class="s2">&quot;found an open node in a closed file&quot;</span>
 
     <span class="k">def</span> <span class="nf">_g_set_location</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set location-dependent attributes.</span>
+        <span class="sd">&quot;&quot;&quot;Set location-dependent attributes.</span>
 
 <span class="sd">        Sets the location-dependent attributes of this node to reflect</span>
 <span class="sd">        that it is placed under the specified `parentnode`, with the</span>
@@ -468,7 +464,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
             <span class="n">file_</span><span class="o">.</span><span class="n">_node_manager</span><span class="o">.</span><span class="n">cache_node</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_update_location</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparentpath</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Update location-dependent attributes.</span>
+        <span class="sd">&quot;&quot;&quot;Update location-dependent attributes.</span>
 
 <span class="sd">        Updates location data when an ancestor node has changed its</span>
 <span class="sd">        location in the hierarchy to `newparentpath`.  In fact, this</span>
@@ -502,7 +498,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_update_dependent</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_del_location</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Clear location-dependent attributes.</span>
+        <span class="sd">&quot;&quot;&quot;Clear location-dependent attributes.</span>
 
 <span class="sd">        This also triggers the removal of file references to this node.</span>
 
@@ -524,11 +520,11 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_depth</span> <span class="o">=</span> <span class="kc">None</span>
 
     <span class="k">def</span> <span class="nf">_g_post_init_hook</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Code to be run after node creation and before creation logging.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Code to be run after node creation and before creation logging.&quot;&quot;&quot;</span>
         <span class="k">pass</span>
 
     <span class="k">def</span> <span class="nf">_g_update_dependent</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Update dependent objects after a location change.</span>
+        <span class="sd">&quot;&quot;&quot;Update dependent objects after a location change.</span>
 
 <span class="sd">        All dependent objects (but not nodes!) referencing this node</span>
 <span class="sd">        must be updated here.</span>
@@ -538,10 +534,8 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="s1">&#39;_v_attrs&#39;</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span><span class="o">.</span><span class="n">_g_update_node_location</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Node._f_close">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_close">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close this node in the tree.</span>
+<div class="viewcode-block" id="Node._f_close"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_close">[docs]</a>    <span class="k">def</span> <span class="nf">_f_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Close this node in the tree.</span>
 
 <span class="sd">        This releases all resources held by the node, so it should not</span>
 <span class="sd">        be used again.  On nodes with data, it may be flushed to disk.</span>
@@ -579,9 +573,8 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="c1"># Just add a final flag to signal that the node is closed:</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_isopen</span> <span class="o">=</span> <span class="kc">False</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_remove</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="n">force</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove this node from the hierarchy.</span>
+        <span class="sd">&quot;&quot;&quot;Remove this node from the hierarchy.</span>
 
 <span class="sd">        If the node has children, recursive removal must be stated by</span>
 <span class="sd">        giving `recursive` a true value; otherwise, a `NodeError` will</span>
@@ -603,10 +596,8 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="c1"># Remove the node from the HDF5 hierarchy.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_delete</span><span class="p">(</span><span class="n">parent</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Node._f_remove">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_remove">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_remove</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">force</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove this node from the hierarchy.</span>
+<div class="viewcode-block" id="Node._f_remove"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_remove">[docs]</a>    <span class="k">def</span> <span class="nf">_f_remove</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">force</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Remove this node from the hierarchy.</span>
 
 <span class="sd">        If the node has children, recursive removal must be stated by giving</span>
 <span class="sd">        recursive a true value; otherwise, a NodeError will be raised.</span>
@@ -625,7 +616,6 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_g_remove</span><span class="p">(</span><span class="n">recursive</span><span class="p">,</span> <span class="n">force</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_remove_and_log</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="n">force</span><span class="p">):</span>
         <span class="n">file_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span>
         <span class="n">oldpathname</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span>
@@ -634,7 +624,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="n">move_to_shadow</span><span class="p">(</span><span class="n">file_</span><span class="p">,</span> <span class="n">oldpathname</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Move this node in the hierarchy.</span>
+        <span class="sd">&quot;&quot;&quot;Move this node in the hierarchy.</span>
 
 <span class="sd">        Moves the node into the given `newparent`, with the given</span>
 <span class="sd">        `newname`.</span>
@@ -669,10 +659,8 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="c1"># Tell dependent objects about the new location of this node.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_update_dependent</span><span class="p">()</span>
 
-<div class="viewcode-block" id="Node._f_rename">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_rename">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Rename this node in place.</span>
+<div class="viewcode-block" id="Node._f_rename"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_rename">[docs]</a>    <span class="k">def</span> <span class="nf">_f_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Rename this node in place.</span>
 
 <span class="sd">        Changes the name of a node to *newname* (a string).  If a node with the</span>
 <span class="sd">        same newname already exists and overwrite is true, recursively remove</span>
@@ -682,12 +670,9 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_f_move</span><span class="p">(</span><span class="n">newname</span><span class="o">=</span><span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="n">overwrite</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Node._f_move">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_move">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Node._f_move"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_move">[docs]</a>    <span class="k">def</span> <span class="nf">_f_move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                 <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Move or rename this node.</span>
+        <span class="sd">&quot;&quot;&quot;Move or rename this node.</span>
 
 <span class="sd">        Moves a node into a new parent group, or changes the name of the</span>
 <span class="sd">        node. newparent can be a Group object (see :ref:`GroupClassDescr`) or a</span>
@@ -773,12 +758,11 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="n">file_</span><span class="o">.</span><span class="n">is_undo_enabled</span><span class="p">():</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_g_log_move</span><span class="p">(</span><span class="n">oldpathname</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_log_move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">oldpathname</span><span class="p">):</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">_log</span><span class="p">(</span><span class="s1">&#39;MOVE&#39;</span><span class="p">,</span> <span class="n">oldpathname</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="n">_log</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy this node and return the new one.</span>
+        <span class="sd">&quot;&quot;&quot;Copy this node and return the new one.</span>
 
 <span class="sd">        Creates and returns a copy of the node in the given `newparent`,</span>
 <span class="sd">        with the given `newname`.  If `recursive` copy is stated, all</span>
@@ -796,7 +780,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="k">raise</span> <span class="ne">NotImplementedError</span>
 
     <span class="k">def</span> <span class="nf">_g_copy_as_child</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy this node as a child of another group.</span>
+        <span class="sd">&quot;&quot;&quot;Copy this node as a child of another group.</span>
 
 <span class="sd">        Copies just this node into `newparent`, not recursing children</span>
 <span class="sd">        nor overwriting nodes nor logging the copy.  This is intended to</span>
@@ -807,12 +791,10 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_g_copy</span><span class="p">(</span><span class="n">newparent</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_name</span><span class="p">,</span>
                             <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">_log</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Node._f_copy">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Node._f_copy"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_copy">[docs]</a>    <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                 <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                 <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy this node and return the new node.</span>
+        <span class="sd">&quot;&quot;&quot;Copy this node and return the new node.</span>
 
 <span class="sd">        Creates and returns a copy of the node, maybe in a different place in</span>
 <span class="sd">        the hierarchy. newparent can be a Group object (see</span>
@@ -905,16 +887,12 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
         <span class="c1"># The constructor of the new node takes care of logging.</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_g_copy</span><span class="p">(</span><span class="n">dstparent</span><span class="p">,</span> <span class="n">dstname</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Node._f_isvisible">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_isvisible">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_isvisible</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this node visible?&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="Node._f_isvisible"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_isvisible">[docs]</a>    <span class="k">def</span> <span class="nf">_f_isvisible</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Is this node visible?&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_g_check_open</span><span class="p">()</span>
         <span class="k">return</span> <span class="n">isvisiblepath</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_check_group</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node</span><span class="p">):</span>
         <span class="c1"># Node must be defined in order to define a Group.</span>
         <span class="c1"># However, we need to know Group here.</span>
@@ -945,7 +923,7 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
             <span class="n">parent</span><span class="o">.</span><span class="n">_f_get_child</span><span class="p">(</span><span class="n">name</span><span class="p">)</span><span class="o">.</span><span class="n">_f_remove</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_check_name</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Check validity of name for this particular kind of node.</span>
+        <span class="sd">&quot;&quot;&quot;Check validity of name for this particular kind of node.</span>
 
 <span class="sd">        This is invoked once the standard HDF5 and natural naming checks</span>
 <span class="sd">        have successfully passed.</span>
@@ -957,10 +935,8 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
                 <span class="s2">&quot;node name starts with reserved prefix ``_i_``: </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">name</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Node._f_getattr">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_getattr">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a PyTables attribute from this node.</span>
+<div class="viewcode-block" id="Node._f_getattr"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_getattr">[docs]</a>    <span class="k">def</span> <span class="nf">_f_getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a PyTables attribute from this node.</span>
 
 <span class="sd">        If the named attribute does not exist, an AttributeError is</span>
 <span class="sd">        raised.</span>
@@ -969,11 +945,8 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Node._f_setattr">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_setattr">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a PyTables attribute for this node.</span>
+<div class="viewcode-block" id="Node._f_setattr"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_setattr">[docs]</a>    <span class="k">def</span> <span class="nf">_f_setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a PyTables attribute for this node.</span>
 
 <span class="sd">        If the node already has a large number of attributes, a</span>
 <span class="sd">        PerformanceWarning is issued.</span>
@@ -982,20 +955,15 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 
         <span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Node._f_delattr">
-<a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_delattr">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_delattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Delete a PyTables attribute from this node.</span>
+<div class="viewcode-block" id="Node._f_delattr"><a class="viewcode-back" href="../../usersguide/libref/hierarchy_classes.html#tables.Node._f_delattr">[docs]</a>    <span class="k">def</span> <span class="nf">_f_delattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Delete a PyTables attribute from this node.</span>
 
 <span class="sd">        If the named attribute does not exist, an AttributeError is</span>
 <span class="sd">        raised.</span>
 
 <span class="sd">        &quot;&quot;&quot;</span>
 
-        <span class="nb">delattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span></div>
-</div>
-
+        <span class="nb">delattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span></div></div>
 
     <span class="c1"># &lt;/attribute handling&gt;</span>
 
diff --git a/_modules/tables/nodes/filenode.html b/_modules/tables/nodes/filenode.html
index a1aa7f8..44e3d68 100644
--- a/_modules/tables/nodes/filenode.html
+++ b/_modules/tables/nodes/filenode.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.nodes.filenode &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.nodes.filenode &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../../" id="documentation_options" src="../../../_static/documentation_options.js"></script>
+        <script src="../../../_static/jquery.js"></script>
+        <script src="../../../_static/underscore.js"></script>
+        <script src="../../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../../_static/doctools.js"></script>
     <script src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../../index.html">
-            
-              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../../index.html">
+            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.nodes.filenode</li>
+      <li><a href="../../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../../index.html">Module code</a> &raquo;</li>
+      <li>tables.nodes.filenode</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -130,10 +128,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 <span class="sd">&quot;&quot;&quot;Supported values for NODE_TYPE_VERSION node system attribute.&quot;&quot;&quot;</span>
 
 
-<div class="viewcode-block" id="RawPyTablesIO">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO">[docs]</a>
-<span class="k">class</span> <span class="nc">RawPyTablesIO</span><span class="p">(</span><span class="n">io</span><span class="o">.</span><span class="n">RawIOBase</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Base class for raw binary I/O on HDF5 files using PyTables.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="RawPyTablesIO"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO">[docs]</a><span class="k">class</span> <span class="nc">RawPyTablesIO</span><span class="p">(</span><span class="n">io</span><span class="o">.</span><span class="n">RawIOBase</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Base class for raw binary I/O on HDF5 files using PyTables.&quot;&quot;&quot;</span>
 
     <span class="c1"># A lambda to turn a size into a shape, for each version.</span>
     <span class="n">_size_to_shape</span> <span class="o">=</span> <span class="p">[</span>
@@ -164,25 +160,20 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
     <span class="c1"># read only attribute</span>
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">mode</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;File mode.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;File mode.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_mode</span>
 
     <span class="c1"># def tell(self) -&gt; int:</span>
-<div class="viewcode-block" id="RawPyTablesIO.tell">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.tell">[docs]</a>
-    <span class="k">def</span> <span class="nf">tell</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return current stream position.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="RawPyTablesIO.tell"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.tell">[docs]</a>    <span class="k">def</span> <span class="nf">tell</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return current stream position.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_checkClosed</span><span class="p">()</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pos</span></div>
 
-
     <span class="c1"># def seek(self, pos: int, whence: int = 0) -&gt; int:</span>
-<div class="viewcode-block" id="RawPyTablesIO.seek">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.seek">[docs]</a>
-    <span class="k">def</span> <span class="nf">seek</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pos</span><span class="p">,</span> <span class="n">whence</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Change stream position.</span>
+<div class="viewcode-block" id="RawPyTablesIO.seek"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.seek">[docs]</a>    <span class="k">def</span> <span class="nf">seek</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pos</span><span class="p">,</span> <span class="n">whence</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Change stream position.</span>
 
 <span class="sd">        Change the stream position to byte offset offset. offset is</span>
 <span class="sd">        interpreted relative to the position indicated by whence.  Values</span>
@@ -215,12 +206,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;invalid whence value&quot;</span><span class="p">)</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_pos</span></div>
 
-
     <span class="c1"># def seekable(self) -&gt; bool:</span>
-<div class="viewcode-block" id="RawPyTablesIO.seekable">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.seekable">[docs]</a>
-    <span class="k">def</span> <span class="nf">seekable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return whether object supports random access.</span>
+<div class="viewcode-block" id="RawPyTablesIO.seekable"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.seekable">[docs]</a>    <span class="k">def</span> <span class="nf">seekable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return whether object supports random access.</span>
 
 <span class="sd">        If False, seek(), tell() and truncate() will raise IOError. This</span>
 <span class="sd">        method may need to do a test seek().</span>
@@ -229,12 +217,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="kc">True</span></div>
 
-
     <span class="c1"># def fileno(self) -&gt; int:</span>
-<div class="viewcode-block" id="RawPyTablesIO.fileno">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.fileno">[docs]</a>
-    <span class="k">def</span> <span class="nf">fileno</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Returns underlying file descriptor if one exists.</span>
+<div class="viewcode-block" id="RawPyTablesIO.fileno"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.fileno">[docs]</a>    <span class="k">def</span> <span class="nf">fileno</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Returns underlying file descriptor if one exists.</span>
 
 <span class="sd">        An IOError is raised if the IO object does not use a file</span>
 <span class="sd">        descriptor.</span>
@@ -244,12 +229,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_checkClosed</span><span class="p">()</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_node</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">fileno</span><span class="p">()</span></div>
 
-
     <span class="c1"># def close(self) -&gt; None:</span>
-<div class="viewcode-block" id="RawPyTablesIO.close">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.close">[docs]</a>
-    <span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Flush and close the IO object.</span>
+<div class="viewcode-block" id="RawPyTablesIO.close"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.close">[docs]</a>    <span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Flush and close the IO object.</span>
 
 <span class="sd">        This method has no effect if the file is already closed.</span>
 
@@ -265,11 +247,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
             <span class="c1"># Release node object to allow closing the file.</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_node</span> <span class="o">=</span> <span class="kc">None</span></div>
 
-
-<div class="viewcode-block" id="RawPyTablesIO.flush">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.flush">[docs]</a>
-    <span class="k">def</span> <span class="nf">flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Flush write buffers, if applicable.</span>
+<div class="viewcode-block" id="RawPyTablesIO.flush"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.flush">[docs]</a>    <span class="k">def</span> <span class="nf">flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Flush write buffers, if applicable.</span>
 
 <span class="sd">        This is not implemented for read-only and non-blocking streams.</span>
 
@@ -278,12 +257,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_checkClosed</span><span class="p">()</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_node</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span></div>
 
-
     <span class="c1"># def truncate(self, pos: int = None) -&gt; int:</span>
-<div class="viewcode-block" id="RawPyTablesIO.truncate">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.truncate">[docs]</a>
-    <span class="k">def</span> <span class="nf">truncate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Truncate file to size bytes.</span>
+<div class="viewcode-block" id="RawPyTablesIO.truncate"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.truncate">[docs]</a>    <span class="k">def</span> <span class="nf">truncate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pos</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Truncate file to size bytes.</span>
 
 <span class="sd">        Size defaults to the current IO position as reported by tell().</span>
 <span class="sd">        Return the new size.</span>
@@ -307,12 +283,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="n">pos</span><span class="p">)</span></div>
 
-
     <span class="c1"># def readable(self) -&gt; bool:</span>
-<div class="viewcode-block" id="RawPyTablesIO.readable">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.readable">[docs]</a>
-    <span class="k">def</span> <span class="nf">readable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return whether object was opened for reading.</span>
+<div class="viewcode-block" id="RawPyTablesIO.readable"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.readable">[docs]</a>    <span class="k">def</span> <span class="nf">readable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return whether object was opened for reading.</span>
 
 <span class="sd">        If False, read() will raise IOError.</span>
 
@@ -321,12 +294,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="n">mode</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_mode</span>
         <span class="k">return</span> <span class="s1">&#39;r&#39;</span> <span class="ow">in</span> <span class="n">mode</span> <span class="ow">or</span> <span class="s1">&#39;+&#39;</span> <span class="ow">in</span> <span class="n">mode</span></div>
 
-
     <span class="c1"># def writable(self) -&gt; bool:</span>
-<div class="viewcode-block" id="RawPyTablesIO.writable">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.writable">[docs]</a>
-    <span class="k">def</span> <span class="nf">writable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return whether object was opened for writing.</span>
+<div class="viewcode-block" id="RawPyTablesIO.writable"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.writable">[docs]</a>    <span class="k">def</span> <span class="nf">writable</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Return whether object was opened for writing.</span>
 
 <span class="sd">        If False, write() and truncate() will raise IOError.</span>
 
@@ -335,12 +305,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="n">mode</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_mode</span>
         <span class="k">return</span> <span class="s1">&#39;w&#39;</span> <span class="ow">in</span> <span class="n">mode</span> <span class="ow">or</span> <span class="s1">&#39;a&#39;</span> <span class="ow">in</span> <span class="n">mode</span> <span class="ow">or</span> <span class="s1">&#39;+&#39;</span> <span class="ow">in</span> <span class="n">mode</span></div>
 
-
     <span class="c1"># def readinto(self, b: bytearray) -&gt; int:</span>
-<div class="viewcode-block" id="RawPyTablesIO.readinto">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.readinto">[docs]</a>
-    <span class="k">def</span> <span class="nf">readinto</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read up to len(b) bytes into b.</span>
+<div class="viewcode-block" id="RawPyTablesIO.readinto"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.readinto">[docs]</a>    <span class="k">def</span> <span class="nf">readinto</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Read up to len(b) bytes into b.</span>
 
 <span class="sd">        Returns number of bytes read (0 for EOF), or None if the object</span>
 <span class="sd">        is set not to block as has no data to read.</span>
@@ -374,12 +341,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">n</span></div>
 
-
     <span class="c1"># def readline(self, limit: int = -1) -&gt; bytes:</span>
-<div class="viewcode-block" id="RawPyTablesIO.readline">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.readline">[docs]</a>
-    <span class="k">def</span> <span class="nf">readline</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">limit</span><span class="o">=-</span><span class="mi">1</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read and return a line from the stream.</span>
+<div class="viewcode-block" id="RawPyTablesIO.readline"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.readline">[docs]</a>    <span class="k">def</span> <span class="nf">readline</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">limit</span><span class="o">=-</span><span class="mi">1</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Read and return a line from the stream.</span>
 
 <span class="sd">        If limit is specified, at most limit bytes will be read.</span>
 
@@ -458,12 +422,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="sa">b</span><span class="s1">&#39;&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">partial</span><span class="p">)</span></div>
 
-
     <span class="c1"># def write(self, b: bytes) -&gt; int:</span>
-<div class="viewcode-block" id="RawPyTablesIO.write">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.write">[docs]</a>
-    <span class="k">def</span> <span class="nf">write</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Write the given buffer to the IO stream.</span>
+<div class="viewcode-block" id="RawPyTablesIO.write"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RawPyTablesIO.write">[docs]</a>    <span class="k">def</span> <span class="nf">write</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Write the given buffer to the IO stream.</span>
 
 <span class="sd">        Returns the number of bytes written, which may be less than</span>
 <span class="sd">        len(b).</span>
@@ -496,9 +457,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">n</span></div>
 
-
     <span class="k">def</span> <span class="nf">_checkClosed</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Checks if file node is open.</span>
+        <span class="sd">&quot;&quot;&quot;Checks if file node is open.</span>
 
 <span class="sd">        Checks whether the file node is open or has been closed. In the</span>
 <span class="sd">        second case, a ValueError is raised. If the host PyTables has</span>
@@ -563,7 +523,7 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
                              <span class="s2">&quot;the underlying hdf5 file is not writable&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_check_attributes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Checks file node-specific attributes.</span>
+        <span class="sd">&quot;&quot;&quot;Checks file node-specific attributes.</span>
 
 <span class="sd">        Checks for the presence and validity</span>
 <span class="sd">        of the system attributes &#39;NODE_TYPE&#39; and &#39;NODE_TYPE_VERSION&#39;</span>
@@ -583,7 +543,7 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
                 <span class="sa">f</span><span class="s2">&quot;unsupported type version of node object: </span><span class="si">{</span><span class="n">ltypever</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_append_zeros</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">size</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;_append_zeros(size) -&gt; None.  Appends a string of zeros.</span>
+        <span class="sd">&quot;&quot;&quot;_append_zeros(size) -&gt; None.  Appends a string of zeros.</span>
 
 <span class="sd">        Appends a string of &#39;size&#39; zeros to the array,</span>
 <span class="sd">        without moving the file pointer.</span>
@@ -599,9 +559,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
             <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="n">dtype</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_vtype</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_vshape</span><span class="p">(</span><span class="n">size</span><span class="p">)))</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">FileNodeMixin</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Mixin class for FileNode objects.</span>
+    <span class="sd">&quot;&quot;&quot;Mixin class for FileNode objects.</span>
 
 <span class="sd">    It provides access to the attribute set of the node that becomes</span>
 <span class="sd">    available via the attrs property. You can add attributes there, but</span>
@@ -612,18 +571,18 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 
     <span class="c1"># The attribute set property methods.</span>
     <span class="k">def</span> <span class="nf">_get_attrs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Returns the attribute set of the file node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Returns the attribute set of the file node.&quot;&quot;&quot;</span>
 
         <span class="c1"># sefl._checkClosed()</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_node</span><span class="o">.</span><span class="n">attrs</span>
 
     <span class="k">def</span> <span class="nf">_set_attrs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;set_attrs(string) -&gt; None.  Raises ValueError.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;set_attrs(string) -&gt; None.  Raises ValueError.&quot;&quot;&quot;</span>
 
         <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;changing the whole attribute set is not allowed&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_del_attrs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;del_attrs() -&gt; None.  Raises ValueError.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;del_attrs() -&gt; None.  Raises ValueError.&quot;&quot;&quot;</span>
 
         <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;deleting the whole attribute set is not allowed&quot;</span><span class="p">)</span>
 
@@ -633,10 +592,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="s2">&quot;A property pointing to the attribute set of the file node.&quot;</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="ROFileNode">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.ROFileNode">[docs]</a>
-<span class="k">class</span> <span class="nc">ROFileNode</span><span class="p">(</span><span class="n">FileNodeMixin</span><span class="p">,</span> <span class="n">RawPyTablesIO</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Creates a new read-only file node.</span>
+<div class="viewcode-block" id="ROFileNode"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.ROFileNode">[docs]</a><span class="k">class</span> <span class="nc">ROFileNode</span><span class="p">(</span><span class="n">FileNodeMixin</span><span class="p">,</span> <span class="n">RawPyTablesIO</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Creates a new read-only file node.</span>
 
 <span class="sd">    Creates a new read-only file node associated with the specified</span>
 <span class="sd">    PyTables node, providing a standard Python file interface to it.</span>
@@ -674,11 +631,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_node</span></div>
 
 
-
-<div class="viewcode-block" id="RAFileNode">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RAFileNode">[docs]</a>
-<span class="k">class</span> <span class="nc">RAFileNode</span><span class="p">(</span><span class="n">FileNodeMixin</span><span class="p">,</span> <span class="n">RawPyTablesIO</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Creates a new read-write file node.</span>
+<div class="viewcode-block" id="RAFileNode"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.RAFileNode">[docs]</a><span class="k">class</span> <span class="nc">RAFileNode</span><span class="p">(</span><span class="n">FileNodeMixin</span><span class="p">,</span> <span class="n">RawPyTablesIO</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Creates a new read-write file node.</span>
 
 <span class="sd">    The first syntax opens the specified PyTables node, while the</span>
 <span class="sd">    second one creates a new node in the specified PyTables file.</span>
@@ -765,7 +719,7 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_node</span>
 
     <span class="k">def</span> <span class="nf">_set_attributes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">node</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;_set_attributes(node) -&gt; None.  Adds file node-specific attributes.</span>
+        <span class="sd">&quot;&quot;&quot;_set_attributes(node) -&gt; None.  Adds file node-specific attributes.</span>
 
 <span class="sd">        Sets the system attributes &#39;NODE_TYPE&#39; and &#39;NODE_TYPE_VERSION&#39;</span>
 <span class="sd">        in the specified PyTables node (leaf).</span>
@@ -777,11 +731,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="n">attrs</span><span class="o">.</span><span class="n">NODE_TYPE_VERSION</span> <span class="o">=</span> <span class="n">NodeTypeVersions</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span></div>
 
 
-
-<div class="viewcode-block" id="new_node">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.new_node">[docs]</a>
-<span class="k">def</span> <span class="nf">new_node</span><span class="p">(</span><span class="n">h5file</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Creates a new file node object in the specified PyTables file object.</span>
+<div class="viewcode-block" id="new_node"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.new_node">[docs]</a><span class="k">def</span> <span class="nf">new_node</span><span class="p">(</span><span class="n">h5file</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Creates a new file node object in the specified PyTables file object.</span>
 
 <span class="sd">    Additional named arguments where and name must be passed to specify where</span>
 <span class="sd">    the file node is to be created. Other named arguments such as title and</span>
@@ -795,11 +746,8 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">RAFileNode</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">h5file</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="open_node">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.open_node">[docs]</a>
-<span class="k">def</span> <span class="nf">open_node</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s1">&#39;r&#39;</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Opens an existing file node.</span>
+<div class="viewcode-block" id="open_node"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.open_node">[docs]</a><span class="k">def</span> <span class="nf">open_node</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s1">&#39;r&#39;</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Opens an existing file node.</span>
 
 <span class="sd">    Returns a file node object from the existing specified PyTables</span>
 <span class="sd">    node. If mode is not specified or it is &#39;r&#39;, the file can only be</span>
@@ -817,12 +765,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="k">raise</span> <span class="ne">OSError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;invalid mode: </span><span class="si">{</span><span class="n">mode</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="save_to_filenode">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.save_to_filenode">[docs]</a>
-<span class="k">def</span> <span class="nf">save_to_filenode</span><span class="p">(</span><span class="n">h5file</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
+<div class="viewcode-block" id="save_to_filenode"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.save_to_filenode">[docs]</a><span class="k">def</span> <span class="nf">save_to_filenode</span><span class="p">(</span><span class="n">h5file</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                      <span class="n">title</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Save a file&#39;s contents to a filenode inside a PyTables file.</span>
+    <span class="sd">&quot;&quot;&quot;Save a file&#39;s contents to a filenode inside a PyTables file.</span>
 
 <span class="sd">    .. versionadded:: 3.2</span>
 
@@ -920,12 +865,9 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
         <span class="n">f</span><span class="o">.</span><span class="n">close</span><span class="p">()</span></div>
 
 
-
-<div class="viewcode-block" id="read_from_filenode">
-<a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.read_from_filenode">[docs]</a>
-<span class="k">def</span> <span class="nf">read_from_filenode</span><span class="p">(</span><span class="n">h5file</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
+<div class="viewcode-block" id="read_from_filenode"><a class="viewcode-back" href="../../../usersguide/libref/filenode_classes.html#tables.nodes.filenode.read_from_filenode">[docs]</a><span class="k">def</span> <span class="nf">read_from_filenode</span><span class="p">(</span><span class="n">h5file</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">where</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                        <span class="n">create_target</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">    </span><span class="sa">r</span><span class="sd">&quot;&quot;&quot;Read a filenode from a PyTables file and write its contents to a file.</span>
+    <span class="sa">r</span><span class="sd">&quot;&quot;&quot;Read a filenode from a PyTables file and write its contents to a file.</span>
 
 <span class="sd">    .. versionadded:: 3.2</span>
 
@@ -1006,7 +948,6 @@ <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
     <span class="k">del</span> <span class="n">data</span>
     <span class="k">if</span> <span class="n">new_h5file</span><span class="p">:</span>
         <span class="n">f</span><span class="o">.</span><span class="n">close</span><span class="p">()</span></div>
-
 </pre></div>
 
            </div>
diff --git a/_modules/tables/table.html b/_modules/tables/table.html
index 2691ed2..8e4a0f0 100644
--- a/_modules/tables/table.html
+++ b/_modules/tables/table.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.table &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.table &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.table</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.table</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -413,19 +411,17 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
 
 <span class="k">class</span> <span class="nc">_ColIndexes</span><span class="p">(</span><span class="nb">dict</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Provides a nice representation of column indexes.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Provides a nice representation of column indexes.&quot;&quot;&quot;</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Gives a detailed Description column representation.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Gives a detailed Description column representation.&quot;&quot;&quot;</span>
 
         <span class="n">rep</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s1">&#39;  </span><span class="se">\&quot;</span><span class="si">{</span><span class="n">k</span><span class="si">}</span><span class="se">\&quot;</span><span class="s1">: </span><span class="si">{</span><span class="n">v</span><span class="si">}</span><span class="s1">&#39;</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">items</span><span class="p">()]</span>
         <span class="k">return</span> <span class="s1">&#39;{</span><span class="se">\n</span><span class="s1">  </span><span class="si">%s</span><span class="s1">}&#39;</span> <span class="o">%</span> <span class="p">(</span><span class="s1">&#39;,</span><span class="se">\n</span><span class="s1">  &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">rep</span><span class="p">))</span>
 
 
-<div class="viewcode-block" id="Table">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table">[docs]</a>
-<span class="k">class</span> <span class="nc">Table</span><span class="p">(</span><span class="n">tableextension</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents heterogeneous datasets in an HDF5 file.</span>
+<div class="viewcode-block" id="Table"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table">[docs]</a><span class="k">class</span> <span class="nc">Table</span><span class="p">(</span><span class="n">tableextension</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;This class represents heterogeneous datasets in an HDF5 file.</span>
 
 <span class="sd">    Tables are leaves (see the Leaf class in :ref:`LeafClassDescr`) whose data</span>
 <span class="sd">    consists of a unidimensional sequence of *rows*, where each row contains</span>
@@ -595,42 +591,42 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">row</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The associated Row instance (see :ref:`RowClassDescr`).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The associated Row instance (see :ref:`RowClassDescr`).&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="n">tableextension</span><span class="o">.</span><span class="n">Row</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">dtype</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The NumPy ``dtype`` that most closely matches this table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The NumPy ``dtype`` that most closely matches this table.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="o">.</span><span class="n">_v_dtype</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">shape</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of this table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of this table.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,)</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">rowsize</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The size in bytes of each row in the table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The size in bytes of each row in the table.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="o">.</span><span class="n">_v_dtype</span><span class="o">.</span><span class="n">itemsize</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">size_in_memory</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The size of this table&#39;s data in bytes when it is fully loaded into</span>
+        <span class="sd">&quot;&quot;&quot;The size of this table&#39;s data in bytes when it is fully loaded into</span>
 <span class="sd">        memory.  This may be used in combination with size_on_disk to calculate</span>
 <span class="sd">        the compression ratio of the data.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">rowsize</span>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">_v_iobuf</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A buffer for doing I/O.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A buffer for doing I/O.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_container</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nrowsinbuf</span><span class="p">)</span>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">_v_wdflts</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The defaults for writing in recarray format.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The defaults for writing in recarray format.&quot;&quot;&quot;</span>
 
         <span class="c1"># First, do a check to see whether we need to set default values</span>
         <span class="c1"># different from 0 or not.</span>
@@ -648,7 +644,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">_colunaligned</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The pathnames of unaligned, *unidimensional* columns.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The pathnames of unaligned, *unidimensional* columns.&quot;&quot;&quot;</span>
         <span class="n">colunaligned</span><span class="p">,</span> <span class="n">rarr</span> <span class="o">=</span> <span class="p">[],</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_container</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
         <span class="k">for</span> <span class="n">colpathname</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">colpathnames</span><span class="p">:</span>
             <span class="n">carr</span> <span class="o">=</span> <span class="n">get_nested_field</span><span class="p">(</span><span class="n">rarr</span><span class="p">,</span> <span class="n">colpathname</span><span class="p">)</span>
@@ -669,7 +665,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">autoindex</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Automatically keep column indexes up to date?</span>
+        <span class="sd">&quot;&quot;&quot;Automatically keep column indexes up to date?</span>
 
 <span class="sd">        Setting this value states whether existing indexes should be</span>
 <span class="sd">        automatically updated after an append operation or recomputed</span>
@@ -713,21 +709,21 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">indexedcolpathnames</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;List of pathnames of indexed columns in the table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;List of pathnames of indexed columns in the table.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="p">[</span><span class="n">_colpname</span>
                 <span class="k">for</span> <span class="n">_colpname</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">colpathnames</span>
                 <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">colindexed</span><span class="p">[</span><span class="n">_colpname</span><span class="p">]]</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">colindexes</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A dictionary with the indexes of the indexed columns.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A dictionary with the indexes of the indexed columns.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="n">_ColIndexes</span><span class="p">((</span><span class="n">_colpname</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cols</span><span class="o">.</span><span class="n">_f_col</span><span class="p">(</span><span class="n">_colpname</span><span class="p">)</span><span class="o">.</span><span class="n">index</span><span class="p">)</span>
                            <span class="k">for</span> <span class="n">_colpname</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">colpathnames</span>
                            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">colindexed</span><span class="p">[</span><span class="n">_colpname</span><span class="p">])</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">_dirtyindexes</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether some index in table is dirty.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether some index in table is dirty.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_condition_cache</span><span class="o">.</span><span class="n">_nailcount</span> <span class="o">&gt;</span> <span class="mi">0</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span>
@@ -736,50 +732,50 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                  <span class="n">byteorder</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_log</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="n">new</span> <span class="o">=</span> <span class="n">description</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_title</span> <span class="o">=</span> <span class="n">title</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_filters</span> <span class="o">=</span> <span class="n">filters</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New filter properties for this node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New filter properties for this node.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">extdim</span> <span class="o">=</span> <span class="mi">0</span>   <span class="c1"># Tables only have one dimension currently</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension (always 0 for tables).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension (always 0 for tables).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_recarray</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A structured array to be stored in the table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A structured array to be stored in the table.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_rabyteorder</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The computed byteorder of the self._v_recarray.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The computed byteorder of the self._v_recarray.&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="n">expectedrows</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="n">expectedrows</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;EXPECTED_ROWS_TABLE&#39;</span><span class="p">]</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_expectedrows</span> <span class="o">=</span> <span class="n">expectedrows</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The expected number of rows to be stored in the table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The expected number of rows to be stored in the table.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">=</span> <span class="n">SizeType</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The current number of rows in the table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The current number of rows in the table.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">description</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A Description instance (see :ref:`DescriptionClassDescr`)</span>
+        <span class="sd">&quot;&quot;&quot;A Description instance (see :ref:`DescriptionClassDescr`)</span>
 <span class="sd">        reflecting the structure of the table.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_time64colnames</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The names of ``Time64`` columns.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The names of ``Time64`` columns.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_strcolnames</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The names of ``String`` columns.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The names of ``String`` columns.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_colenums</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maps the name of an enumerated column to its ``Enum`` instance.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Maps the name of an enumerated column to its ``Enum`` instance.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_chunkshape</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private storage for the `chunkshape` property of the leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private storage for the `chunkshape` property of the leaf.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">indexed</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Does this table have any indexed columns?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Does this table have any indexed columns?&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_indexedrows</span> <span class="o">=</span> <span class="mi">0</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Number of rows indexed in disk.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Number of rows indexed in disk.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_unsaved_indexedrows</span> <span class="o">=</span> <span class="mi">0</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Number of rows indexed in memory but still not in disk.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Number of rows indexed in memory but still not in disk.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_listoldindexes</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The list of columns with old indexes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The list of columns with old indexes.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_autoindex</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private variable that caches the value for autoindex.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private variable that caches the value for autoindex.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">colnames</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A list containing the names of *top-level* columns in the table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A list containing the names of *top-level* columns in the table.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">colpathnames</span> <span class="o">=</span> <span class="p">[]</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A list containing the pathnames of *bottom-level* columns in the</span>
+        <span class="sd">&quot;&quot;&quot;A list containing the pathnames of *bottom-level* columns in the</span>
 <span class="sd">        table.</span>
 
 <span class="sd">        These are the leaf columns obtained when walking the</span>
@@ -788,50 +784,50 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 <span class="sd">        their pathname.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">colinstances</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maps the name of a column to its Column (see</span>
+        <span class="sd">&quot;&quot;&quot;Maps the name of a column to its Column (see</span>
 <span class="sd">        :ref:`ColumnClassDescr`) or Cols (see :ref:`ColsClassDescr`)</span>
 <span class="sd">        instance.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">coldescrs</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maps the name of a column to its Col description (see</span>
+        <span class="sd">&quot;&quot;&quot;Maps the name of a column to its Col description (see</span>
 <span class="sd">        :ref:`ColClassDescr`).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">coltypes</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maps the name of a column to its PyTables data type.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Maps the name of a column to its PyTables data type.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">coldtypes</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maps the name of a column to its NumPy data type.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Maps the name of a column to its NumPy data type.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">coldflts</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Maps the name of a column to its default value.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Maps the name of a column to its default value.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">colindexed</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is the column which name is used as a key indexed?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is the column which name is used as a key indexed?&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_use_index</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether an index can be used or not in a search.  Boolean.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether an index can be used or not in a search.  Boolean.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_where_condition</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Condition function and argument list for selection of values.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Condition function and argument list for selection of values.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_seqcache_key</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The key under which to save a query&#39;s results (list of row indexes)</span>
+        <span class="sd">&quot;&quot;&quot;The key under which to save a query&#39;s results (list of row indexes)</span>
 <span class="sd">        or None to not save.&quot;&quot;&quot;</span>
         <span class="n">max_slots</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;COND_CACHE_SLOTS&#39;</span><span class="p">]</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_condition_cache</span> <span class="o">=</span> <span class="n">CacheDict</span><span class="p">(</span><span class="n">max_slots</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Cache of already compiled conditions.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Cache of already compiled conditions.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_exprvars_cache</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Cache of variables participating in numexpr expressions.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Cache of variables participating in numexpr expressions.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_enabled_indexing_in_queries</span> <span class="o">=</span> <span class="kc">True</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is indexing enabled in queries?  *Use only for testing.*&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is indexing enabled in queries?  *Use only for testing.*&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_empty_array_cache</span> <span class="o">=</span> <span class="p">{}</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Cache of empty arrays.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Cache of empty arrays.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_dtype</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The NumPy datatype fopr this table.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The NumPy datatype fopr this table.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">cols</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        A Cols instance that provides *natural naming* access to non-nested</span>
 <span class="sd">        (Column, see :ref:`ColumnClassDescr`) and nested (Cols, see</span>
 <span class="sd">        :ref:`ColsClassDescr`) columns.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_dirtycache</span> <span class="o">=</span> <span class="kc">True</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether the data caches are dirty or not. Initially set to yes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether the data caches are dirty or not. Initially set to yes.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_descflavor</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Temporarily keeps the flavor of a description with data.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Temporarily keeps the flavor of a description with data.&quot;&quot;&quot;</span>
 
         <span class="c1"># Initialize this object in case is a new Table</span>
 
@@ -978,7 +974,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_autoindex</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">autoindex</span>
 
     <span class="k">def</span> <span class="nf">_calc_nrowsinbuf</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Calculate the number of rows that fits on a PyTables buffer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Calculate the number of rows that fits on a PyTables buffer.&quot;&quot;&quot;</span>
 
         <span class="n">params</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span>
         <span class="c1"># Compute the nrowsinbuf</span>
@@ -1029,21 +1025,21 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="k">return</span> <span class="n">arr</span>
 
     <span class="k">def</span> <span class="nf">_get_container</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">shape</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the appropriate buffer for data depending on table</span>
+        <span class="sd">&quot;&quot;&quot;Get the appropriate buffer for data depending on table</span>
 <span class="sd">        nestedness.&quot;&quot;&quot;</span>
 
         <span class="c1"># This is *much* faster than the numpy.rec.array counterpart</span>
         <span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="n">shape</span><span class="o">=</span><span class="n">shape</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_dtype</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_get_type_col_names</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">type_</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Returns a list containing &#39;type_&#39; column names.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Returns a list containing &#39;type_&#39; column names.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="p">[</span><span class="n">colobj</span><span class="o">.</span><span class="n">_v_pathname</span>
                 <span class="k">for</span> <span class="n">colobj</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="o">.</span><span class="n">_f_walk</span><span class="p">(</span><span class="s1">&#39;Col&#39;</span><span class="p">)</span>
                 <span class="k">if</span> <span class="n">colobj</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="n">type_</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">_get_enum_map</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return mapping from enumerated column names to `Enum` instances.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return mapping from enumerated column names to `Enum` instances.&quot;&quot;&quot;</span>
 
         <span class="n">enumMap</span> <span class="o">=</span> <span class="p">{}</span>
         <span class="k">for</span> <span class="n">colobj</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="o">.</span><span class="n">_f_walk</span><span class="p">(</span><span class="s1">&#39;Col&#39;</span><span class="p">):</span>
@@ -1052,7 +1048,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">enumMap</span>
 
     <span class="k">def</span> <span class="nf">_g_create</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a new table on disk.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create a new table on disk.&quot;&quot;&quot;</span>
 
         <span class="c1"># Warning against assigning too much columns...</span>
         <span class="c1"># F. Alted 2005-06-05</span>
@@ -1108,7 +1104,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_objectid</span>
 
     <span class="k">def</span> <span class="nf">_g_open</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Opens a table from disk and read the metadata on it.</span>
+        <span class="sd">&quot;&quot;&quot;Opens a table from disk and read the metadata on it.</span>
 
 <span class="sd">        Creates an user description on the flight to easy the access to</span>
 <span class="sd">        the actual data.</span>
@@ -1167,7 +1163,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_objectid</span>
 
     <span class="k">def</span> <span class="nf">_cache_description_data</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Cache some data which is already in the description.</span>
+        <span class="sd">&quot;&quot;&quot;Cache some data which is already in the description.</span>
 
 <span class="sd">        Some information is extracted from `self.description` to build</span>
 <span class="sd">        some useful (but redundant) structures:</span>
@@ -1210,7 +1206,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_dtype</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="o">.</span><span class="n">_v_dtype</span>
 
     <span class="k">def</span> <span class="nf">_get_column_instance</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colpathname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the instance of the column with the given `colpathname`.</span>
+        <span class="sd">&quot;&quot;&quot;Get the instance of the column with the given `colpathname`.</span>
 
 <span class="sd">        If the column does not exist in the table, a `KeyError` is</span>
 <span class="sd">        raised.</span>
@@ -1227,7 +1223,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
     <span class="n">_check_column</span> <span class="o">=</span> <span class="n">_get_column_instance</span>
 
     <span class="k">def</span> <span class="nf">_disable_indexing_in_queries</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Force queries not to use indexing.</span>
+        <span class="sd">&quot;&quot;&quot;Force queries not to use indexing.</span>
 
 <span class="sd">        *Use only for testing.*</span>
 
@@ -1241,7 +1237,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_enabled_indexing_in_queries</span> <span class="o">=</span> <span class="kc">False</span>
 
     <span class="k">def</span> <span class="nf">_enable_indexing_in_queries</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Allow queries to use indexing.</span>
+        <span class="sd">&quot;&quot;&quot;Allow queries to use indexing.</span>
 
 <span class="sd">        *Use only for testing.*</span>
 
@@ -1253,7 +1249,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_enabled_indexing_in_queries</span> <span class="o">=</span> <span class="kc">True</span>
 
     <span class="k">def</span> <span class="nf">_required_expr_vars</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expression</span><span class="p">,</span> <span class="n">uservars</span><span class="p">,</span> <span class="n">depth</span><span class="o">=</span><span class="mi">1</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the variables required by the `expression`.</span>
+        <span class="sd">&quot;&quot;&quot;Get the variables required by the `expression`.</span>
 
 <span class="sd">        A new dictionary defining the variables used in the `expression`</span>
 <span class="sd">        is returned.  Required variables are first looked up in the</span>
@@ -1357,7 +1353,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">reqvars</span>
 
     <span class="k">def</span> <span class="nf">_get_condition_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the condition cache key for `condition` with `condvars`.</span>
+        <span class="sd">&quot;&quot;&quot;Get the condition cache key for `condition` with `condvars`.</span>
 
 <span class="sd">        Currently, the key is a tuple of `condition`, column variables</span>
 <span class="sd">        names, normal variables names, column paths and variable paths</span>
@@ -1388,7 +1384,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">condkey</span>
 
     <span class="k">def</span> <span class="nf">_compile_condition</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Compile the `condition` and extract usable index conditions.</span>
+        <span class="sd">&quot;&quot;&quot;Compile the `condition` and extract usable index conditions.</span>
 
 <span class="sd">        This method returns an instance of ``CompiledCondition``.  See</span>
 <span class="sd">        the ``compile_condition()`` function in the ``conditions``</span>
@@ -1439,10 +1435,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">condcache</span><span class="p">[</span><span class="n">condkey</span><span class="p">]</span> <span class="o">=</span> <span class="n">compiled</span>
         <span class="k">return</span> <span class="n">compiled</span><span class="o">.</span><span class="n">with_replaced_vars</span><span class="p">(</span><span class="n">condvars</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Table.will_query_use_indexing">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.will_query_use_indexing">[docs]</a>
-    <span class="k">def</span> <span class="nf">will_query_use_indexing</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Will a query for the condition use indexing?</span>
+<div class="viewcode-block" id="Table.will_query_use_indexing"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.will_query_use_indexing">[docs]</a>    <span class="k">def</span> <span class="nf">will_query_use_indexing</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Will a query for the condition use indexing?</span>
 
 <span class="sd">        The meaning of the condition and *condvars* arguments is the same as in</span>
 <span class="sd">        the :meth:`Table.where` method. If condition can use indexing, this</span>
@@ -1462,12 +1456,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">idxcols</span> <span class="o">=</span> <span class="p">[</span><span class="n">condvars</span><span class="p">[</span><span class="n">var</span><span class="p">]</span><span class="o">.</span><span class="n">pathname</span> <span class="k">for</span> <span class="n">var</span> <span class="ow">in</span> <span class="n">compiled</span><span class="o">.</span><span class="n">index_variables</span><span class="p">]</span>
         <span class="k">return</span> <span class="nb">frozenset</span><span class="p">(</span><span class="n">idxcols</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.where">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.where">[docs]</a>
-    <span class="k">def</span> <span class="nf">where</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.where"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.where">[docs]</a>    <span class="k">def</span> <span class="nf">where</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
               <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sa">r</span><span class="sd">&quot;&quot;&quot;Iterate over values fulfilling a condition.</span>
+        <span class="sa">r</span><span class="sd">&quot;&quot;&quot;Iterate over values fulfilling a condition.</span>
 
 <span class="sd">        This method returns a Row iterator (see :ref:`RowClassDescr`) which</span>
 <span class="sd">        only selects rows in the table that satisfy the given condition (an</span>
@@ -1559,9 +1550,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_where</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_where</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Low-level counterpart of `self.where()`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Low-level counterpart of `self.where()`.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">profile</span><span class="p">:</span>
             <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
@@ -1599,11 +1589,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">show_stats</span><span class="p">(</span><span class="s2">&quot;Exiting table._where&quot;</span><span class="p">,</span> <span class="n">tref</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">row</span><span class="o">.</span><span class="n">_iter</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">chunkmap</span><span class="o">=</span><span class="n">chunkmap</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Table.read_where">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read_where">[docs]</a>
-    <span class="k">def</span> <span class="nf">read_where</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.read_where"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read_where">[docs]</a>    <span class="k">def</span> <span class="nf">read_where</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                    <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read table data fulfilling the given *condition*.</span>
+        <span class="sd">&quot;&quot;&quot;Read table data fulfilling the given *condition*.</span>
 
 <span class="sd">        This method is similar to :meth:`Table.read`, having their common</span>
 <span class="sd">        arguments and return values the same meanings. However, only the rows</span>
@@ -1627,12 +1615,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                     <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">cstart</span><span class="p">,</span> <span class="n">cstop</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="n">field</span><span class="p">)</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">read_coordinates</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="n">field</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.append_where">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.append_where">[docs]</a>
-    <span class="k">def</span> <span class="nf">append_where</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dstTable</span><span class="p">,</span> <span class="n">condition</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.append_where"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.append_where">[docs]</a>    <span class="k">def</span> <span class="nf">append_where</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dstTable</span><span class="p">,</span> <span class="n">condition</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                      <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Append rows fulfilling the condition to the dstTable table.</span>
+        <span class="sd">&quot;&quot;&quot;Append rows fulfilling the condition to the dstTable table.</span>
 
 <span class="sd">        dstTable must be capable of taking the rows resulting from the query,</span>
 <span class="sd">        i.e. it must have columns with the expected names and compatible</span>
@@ -1669,12 +1654,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">dstTable</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span>
         <span class="k">return</span> <span class="n">nrows</span></div>
 
-
-<div class="viewcode-block" id="Table.get_where_list">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.get_where_list">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_where_list</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">sort</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.get_where_list"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.get_where_list">[docs]</a>    <span class="k">def</span> <span class="nf">get_where_list</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">condition</span><span class="p">,</span> <span class="n">condvars</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">sort</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                        <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the row coordinates fulfilling the given condition.</span>
+        <span class="sd">&quot;&quot;&quot;Get the row coordinates fulfilling the given condition.</span>
 
 <span class="sd">        The coordinates are returned as a list of the current flavor.  sort</span>
 <span class="sd">        means that you want to retrieve the coordinates ordered. The default is</span>
@@ -1696,11 +1678,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">coords</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">coords</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">internal_to_flavor</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.itersequence">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.itersequence">[docs]</a>
-    <span class="k">def</span> <span class="nf">itersequence</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sequence</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over a sequence of row coordinates.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="Table.itersequence"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.itersequence">[docs]</a>    <span class="k">def</span> <span class="nf">itersequence</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sequence</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over a sequence of row coordinates.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">sequence</span><span class="p">,</span> <span class="s1">&#39;__getitem__&#39;</span><span class="p">):</span>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s2">&quot;Wrong &#39;sequence&#39; parameter type. Only sequences &quot;</span>
@@ -1722,7 +1701,6 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">row</span> <span class="o">=</span> <span class="n">tableextension</span><span class="o">.</span><span class="n">Row</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">row</span><span class="o">.</span><span class="n">_iter</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">coords</span><span class="o">=</span><span class="n">sequence</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_check_sortby_csi</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sortby</span><span class="p">,</span> <span class="n">checkCSI</span><span class="p">):</span>
         <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">sortby</span><span class="p">,</span> <span class="n">Column</span><span class="p">):</span>
             <span class="n">icol</span> <span class="o">=</span> <span class="n">sortby</span>
@@ -1745,11 +1723,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                 <span class="s2">&quot;Field `</span><span class="si">%s</span><span class="s2">` must have associated a &#39;full&#39; index &quot;</span>
                 <span class="s2">&quot;in table `</span><span class="si">%s</span><span class="s2">`.&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">sortby</span><span class="p">,</span> <span class="bp">self</span><span class="p">))</span>
 
-<div class="viewcode-block" id="Table.itersorted">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.itersorted">[docs]</a>
-    <span class="k">def</span> <span class="nf">itersorted</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sortby</span><span class="p">,</span> <span class="n">checkCSI</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.itersorted"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.itersorted">[docs]</a>    <span class="k">def</span> <span class="nf">itersorted</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sortby</span><span class="p">,</span> <span class="n">checkCSI</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                    <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate table data following the order of the index of sortby</span>
+        <span class="sd">&quot;&quot;&quot;Iterate table data following the order of the index of sortby</span>
 <span class="sd">        column.</span>
 
 <span class="sd">        The sortby column must have associated a full index.  If you want to</span>
@@ -1777,12 +1753,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">row</span> <span class="o">=</span> <span class="n">tableextension</span><span class="o">.</span><span class="n">Row</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">row</span><span class="o">.</span><span class="n">_iter</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">coords</span><span class="o">=</span><span class="n">index</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.read_sorted">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read_sorted">[docs]</a>
-    <span class="k">def</span> <span class="nf">read_sorted</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sortby</span><span class="p">,</span> <span class="n">checkCSI</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.read_sorted"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read_sorted">[docs]</a>    <span class="k">def</span> <span class="nf">read_sorted</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sortby</span><span class="p">,</span> <span class="n">checkCSI</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                     <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read table data following the order of the index of sortby column.</span>
+        <span class="sd">&quot;&quot;&quot;Read table data following the order of the index of sortby column.</span>
 
 <span class="sd">        The sortby column must have associated a full index.  If you want to</span>
 <span class="sd">        ensure a fully sorted order, the index must be a CSI one.  You may want</span>
@@ -1808,11 +1781,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">coords</span> <span class="o">=</span> <span class="n">index</span><span class="p">[</span><span class="n">start</span><span class="p">:</span><span class="n">stop</span><span class="p">:</span><span class="n">step</span><span class="p">]</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">read_coordinates</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="n">field</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.iterrows">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.iterrows">[docs]</a>
-    <span class="k">def</span> <span class="nf">iterrows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the table using a Row instance.</span>
+<div class="viewcode-block" id="Table.iterrows"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.iterrows">[docs]</a>    <span class="k">def</span> <span class="nf">iterrows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the table using a Row instance.</span>
 
 <span class="sd">        If a range is not supplied, *all the rows* in the table are iterated</span>
 <span class="sd">        upon - you can also use the :meth:`Table.__iter__` special method for</span>
@@ -1852,11 +1822,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">row</span> <span class="o">=</span> <span class="n">tableextension</span><span class="o">.</span><span class="n">Row</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">row</span><span class="o">.</span><span class="n">_iter</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.__iter__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.__iter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the table using a Row instance.</span>
+<div class="viewcode-block" id="Table.__iter__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.__iter__">[docs]</a>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the table using a Row instance.</span>
 
 <span class="sd">        This is equivalent to calling :meth:`Table.iterrows` with default</span>
 <span class="sd">        arguments, i.e. it iterates over *all the rows* in the table.</span>
@@ -1881,9 +1848,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">iterrows</span><span class="p">()</span></div>
 
-
     <span class="k">def</span> <span class="nf">_read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">out</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read a range of rows and return an in-memory object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Read a range of rows and return an in-memory object.&quot;&quot;&quot;</span>
 
         <span class="n">select_field</span> <span class="o">=</span> <span class="kc">None</span>
         <span class="k">if</span> <span class="n">field</span><span class="p">:</span>
@@ -1953,10 +1919,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="n">result</span>
 
-<div class="viewcode-block" id="Table.read">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read">[docs]</a>
-    <span class="k">def</span> <span class="nf">read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">out</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get data in the table as a (record) array.</span>
+<div class="viewcode-block" id="Table.read"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read">[docs]</a>    <span class="k">def</span> <span class="nf">read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">out</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get data in the table as a (record) array.</span>
 
 <span class="sd">        The start, stop and step parameters can be used to select only</span>
 <span class="sd">        a *range of rows* in the table. Their meanings are the same as</span>
@@ -2028,9 +1992,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">arr</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_read</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">field</span><span class="p">,</span> <span class="n">out</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">internal_to_flavor</span><span class="p">(</span><span class="n">arr</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_read_coordinates</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private part of `read_coordinates()` with no flavor conversion.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private part of `read_coordinates()` with no flavor conversion.&quot;&quot;&quot;</span>
 
         <span class="n">coords</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_point_selection</span><span class="p">(</span><span class="n">coords</span><span class="p">)</span>
 
@@ -2063,10 +2026,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                 <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_getemptyarray</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">coldtypes</span><span class="p">[</span><span class="n">field</span><span class="p">])</span>
         <span class="k">return</span> <span class="n">result</span>
 
-<div class="viewcode-block" id="Table.read_coordinates">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read_coordinates">[docs]</a>
-    <span class="k">def</span> <span class="nf">read_coordinates</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a set of rows given their indexes as a (record) array.</span>
+<div class="viewcode-block" id="Table.read_coordinates"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.read_coordinates">[docs]</a>    <span class="k">def</span> <span class="nf">read_coordinates</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">field</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a set of rows given their indexes as a (record) array.</span>
 
 <span class="sd">        This method works much like the :meth:`Table.read` method, but it uses</span>
 <span class="sd">        a sequence (coords) of row indexes to select the wanted columns,</span>
@@ -2081,11 +2042,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_read_coordinates</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="n">field</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">internal_to_flavor</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.get_enum">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.get_enum">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_enum</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the enumerated type associated with the named column.</span>
+<div class="viewcode-block" id="Table.get_enum"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.get_enum">[docs]</a>    <span class="k">def</span> <span class="nf">get_enum</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colname</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the enumerated type associated with the named column.</span>
 
 <span class="sd">        If the column named colname (a string) exists and is of an enumerated</span>
 <span class="sd">        type, the corresponding Enum instance (see :ref:`EnumClassDescr`) is</span>
@@ -2103,11 +2061,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                 <span class="s2">&quot;column ``</span><span class="si">%s</span><span class="s2">`` of table ``</span><span class="si">%s</span><span class="s2">`` is not of an enumerated type&quot;</span>
                 <span class="o">%</span> <span class="p">(</span><span class="n">colname</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_pathname</span><span class="p">))</span></div>
 
-
-<div class="viewcode-block" id="Table.col">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.col">[docs]</a>
-    <span class="k">def</span> <span class="nf">col</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a column from the table.</span>
+<div class="viewcode-block" id="Table.col"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.col">[docs]</a>    <span class="k">def</span> <span class="nf">col</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a column from the table.</span>
 
 <span class="sd">        If a column called name exists in the table, it is read and returned as</span>
 <span class="sd">        a NumPy object. If it does not exist, a KeyError is raised.</span>
@@ -2130,11 +2085,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">field</span><span class="o">=</span><span class="n">name</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.__getitem__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.__getitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a row or a range of rows from the table.</span>
+<div class="viewcode-block" id="Table.__getitem__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.__getitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a row or a range of rows from the table.</span>
 
 <span class="sd">        If key argument is an integer, the corresponding table row is returned</span>
 <span class="sd">        as a record of the current flavor. If key is a slice, the range of rows</span>
@@ -2193,11 +2145,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Invalid index or slice: </span><span class="si">{</span><span class="n">key</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.__setitem__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.__setitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a row or a range of rows in the table.</span>
+<div class="viewcode-block" id="Table.__setitem__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.__setitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a row or a range of rows in the table.</span>
 
 <span class="sd">        It takes different actions depending on the type of the *key*</span>
 <span class="sd">        parameter: if it is an integer, the corresponding table row is</span>
@@ -2268,9 +2217,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Invalid index or slice: </span><span class="si">{</span><span class="n">key</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_save_buffered_rows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">wbufRA</span><span class="p">,</span> <span class="n">lenrows</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Update the indexes after a flushing of rows.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Update the indexes after a flushing of rows.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_open_append</span><span class="p">(</span><span class="n">wbufRA</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_append_records</span><span class="p">(</span><span class="n">lenrows</span><span class="p">)</span>
@@ -2286,10 +2234,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                 <span class="c1"># All the columns are dirty now</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_mark_columns_as_dirty</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">colpathnames</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Table.append">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.append">[docs]</a>
-    <span class="k">def</span> <span class="nf">append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">rows</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Append a sequence of rows to the end of the table.</span>
+<div class="viewcode-block" id="Table.append"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.append">[docs]</a>    <span class="k">def</span> <span class="nf">append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">rows</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Append a sequence of rows to the end of the table.</span>
 
 <span class="sd">        The rows argument may be any object which can be converted to</span>
 <span class="sd">        a structured array compliant with the table structure</span>
@@ -2355,9 +2301,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="c1"># Save write buffer to disk</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_save_buffered_rows</span><span class="p">(</span><span class="n">wbufRA</span><span class="p">,</span> <span class="n">lenrows</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_conv_to_recarr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">obj</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Try to convert the object into a recarray.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Try to convert the object into a recarray.&quot;&quot;&quot;</span>
 
         <span class="k">try</span><span class="p">:</span>
             <span class="n">iflavor</span> <span class="o">=</span> <span class="n">flavor_of</span><span class="p">(</span><span class="n">obj</span><span class="p">)</span>
@@ -2381,10 +2326,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">recarr</span>
 
-<div class="viewcode-block" id="Table.modify_coordinates">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_coordinates">[docs]</a>
-    <span class="k">def</span> <span class="nf">modify_coordinates</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">rows</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Modify a series of rows in positions specified in coords.</span>
+<div class="viewcode-block" id="Table.modify_coordinates"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_coordinates">[docs]</a>    <span class="k">def</span> <span class="nf">modify_coordinates</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">rows</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Modify a series of rows in positions specified in coords.</span>
 
 <span class="sd">        The values in the selected rows will be modified with the data given in</span>
 <span class="sd">        rows.  This method returns the number of rows modified.</span>
@@ -2417,11 +2360,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="n">lcoords</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.modify_rows">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_rows">[docs]</a>
-    <span class="k">def</span> <span class="nf">modify_rows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">rows</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Modify a series of rows in the slice [start:stop:step].</span>
+<div class="viewcode-block" id="Table.modify_rows"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_rows">[docs]</a>    <span class="k">def</span> <span class="nf">modify_rows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">rows</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Modify a series of rows in the slice [start:stop:step].</span>
 
 <span class="sd">        The values in the selected rows will be modified with the data given in</span>
 <span class="sd">        rows.  This method returns the number of rows modified.  Should the</span>
@@ -2475,12 +2415,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="n">lenrows</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.modify_column">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_column">[docs]</a>
-    <span class="k">def</span> <span class="nf">modify_column</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.modify_column"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_column">[docs]</a>    <span class="k">def</span> <span class="nf">modify_column</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                       <span class="n">column</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">colname</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Modify one single column in the row slice [start:stop:step].</span>
+        <span class="sd">&quot;&quot;&quot;Modify one single column in the row slice [start:stop:step].</span>
 
 <span class="sd">        The colname argument specifies the name of the column in the</span>
 <span class="sd">        table to be modified with the data given in column.  This</span>
@@ -2559,12 +2496,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="n">nrows</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.modify_columns">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_columns">[docs]</a>
-    <span class="k">def</span> <span class="nf">modify_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.modify_columns"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.modify_columns">[docs]</a>    <span class="k">def</span> <span class="nf">modify_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                        <span class="n">columns</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">names</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Modify a series of columns in the row slice [start:stop:step].</span>
+        <span class="sd">&quot;&quot;&quot;Modify a series of columns in the row slice [start:stop:step].</span>
 
 <span class="sd">        The names argument specifies the names of the columns in the</span>
 <span class="sd">        table to be modified with the data given in columns.  This</span>
@@ -2638,11 +2572,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="n">nrows</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.flush_rows_to_index">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.flush_rows_to_index">[docs]</a>
-    <span class="k">def</span> <span class="nf">flush_rows_to_index</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_lastrow</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Add remaining rows in buffers to non-dirty indexes.</span>
+<div class="viewcode-block" id="Table.flush_rows_to_index"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.flush_rows_to_index">[docs]</a>    <span class="k">def</span> <span class="nf">flush_rows_to_index</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">_lastrow</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Add remaining rows in buffers to non-dirty indexes.</span>
 
 <span class="sd">        This can be useful when you have chosen non-automatic indexing</span>
 <span class="sd">        for the table (see the :attr:`Table.autoindex` property in</span>
@@ -2665,9 +2596,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_indexedrows</span> <span class="o">+=</span> <span class="n">rowsadded</span>
         <span class="k">return</span> <span class="n">rowsadded</span></div>
 
-
     <span class="k">def</span> <span class="nf">_add_rows_to_index</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colname</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">nrows</span><span class="p">,</span> <span class="n">lastrow</span><span class="p">,</span> <span class="n">update</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Add more elements to the existing index.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Add more elements to the existing index.&quot;&quot;&quot;</span>
 
         <span class="c1"># This method really belongs to Column, but since it makes extensive</span>
         <span class="c1"># use of the table, it gets dangerous when closing the file, since the</span>
@@ -2695,10 +2625,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">indexedrows</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">-</span> <span class="n">startLR</span>
         <span class="k">return</span> <span class="n">indexedrows</span>
 
-<div class="viewcode-block" id="Table.remove_rows">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.remove_rows">[docs]</a>
-    <span class="k">def</span> <span class="nf">remove_rows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove a range of rows in the table.</span>
+<div class="viewcode-block" id="Table.remove_rows"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.remove_rows">[docs]</a>    <span class="k">def</span> <span class="nf">remove_rows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Remove a range of rows in the table.</span>
 
 <span class="sd">        If only start is supplied, that row and all following will be deleted.</span>
 <span class="sd">        If a range is supplied, i.e. both the start and stop parameters are</span>
@@ -2753,11 +2681,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="n">nrows</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.remove_row">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.remove_row">[docs]</a>
-    <span class="k">def</span> <span class="nf">remove_row</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Removes a row from the table.</span>
+<div class="viewcode-block" id="Table.remove_row"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.remove_row">[docs]</a>    <span class="k">def</span> <span class="nf">remove_row</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">n</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Removes a row from the table.</span>
 
 <span class="sd">        Parameters</span>
 <span class="sd">        ----------</span>
@@ -2788,7 +2713,6 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">remove_rows</span><span class="p">(</span><span class="n">start</span><span class="o">=</span><span class="n">n</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="n">n</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_update_dependent</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_g_update_dependent</span><span class="p">()</span>
 
@@ -2800,7 +2724,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="s1">&#39;row&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">tableextension</span><span class="o">.</span><span class="n">Row</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Move this node in the hierarchy.</span>
+        <span class="sd">&quot;&quot;&quot;Move this node in the hierarchy.</span>
 
 <span class="sd">        This overloads the Node._g_move() method.</span>
 
@@ -2836,7 +2760,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_g_remove</span><span class="p">(</span><span class="n">recursive</span><span class="p">,</span> <span class="n">force</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_set_column_indexing</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colpathname</span><span class="p">,</span> <span class="n">indexed</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Mark the referred column as indexed or non-indexed.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Mark the referred column as indexed or non-indexed.&quot;&quot;&quot;</span>
 
         <span class="n">colindexed</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">colindexed</span>
         <span class="n">isindexed</span><span class="p">,</span> <span class="n">wasindexed</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">(</span><span class="n">indexed</span><span class="p">),</span> <span class="n">colindexed</span><span class="p">[</span><span class="n">colpathname</span><span class="p">]</span>
@@ -2849,7 +2773,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">indexed</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">colindexed</span><span class="o">.</span><span class="n">values</span><span class="p">())</span>  <span class="c1"># this is an OR :)</span>
 
     <span class="k">def</span> <span class="nf">_mark_columns_as_dirty</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colnames</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Mark column indexes in `colnames` as dirty.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Mark column indexes in `colnames` as dirty.&quot;&quot;&quot;</span>
 
         <span class="k">assert</span> <span class="nb">len</span><span class="p">(</span><span class="n">colnames</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">0</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">indexed</span><span class="p">:</span>
@@ -2861,7 +2785,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                     <span class="n">col</span><span class="o">.</span><span class="n">index</span><span class="o">.</span><span class="n">dirty</span> <span class="o">=</span> <span class="kc">True</span>
 
     <span class="k">def</span> <span class="nf">_reindex</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colnames</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Re-index columns in `colnames` if automatic indexing is true.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Re-index columns in `colnames` if automatic indexing is true.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">indexed</span><span class="p">:</span>
             <span class="n">colindexed</span><span class="p">,</span> <span class="n">cols</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">colindexed</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">cols</span>
@@ -2879,7 +2803,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_dirtycache</span> <span class="o">=</span> <span class="kc">True</span>
 
     <span class="k">def</span> <span class="nf">_do_reindex</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dirty</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Common code for `reindex()` and `reindex_dirty()`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Common code for `reindex()` and `reindex_dirty()`.&quot;&quot;&quot;</span>
 
         <span class="n">indexedrows</span> <span class="o">=</span> <span class="mi">0</span>
         <span class="k">for</span> <span class="p">(</span><span class="n">colname</span><span class="p">,</span> <span class="n">colindexed</span><span class="p">)</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">colindexed</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
@@ -2893,10 +2817,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="n">indexedrows</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Table.reindex">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.reindex">[docs]</a>
-    <span class="k">def</span> <span class="nf">reindex</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recompute all the existing indexes in the table.</span>
+<div class="viewcode-block" id="Table.reindex"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.reindex">[docs]</a>    <span class="k">def</span> <span class="nf">reindex</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recompute all the existing indexes in the table.</span>
 
 <span class="sd">        This can be useful when you suspect that, for any reason, the</span>
 <span class="sd">        index information for columns is no longer valid and want to</span>
@@ -2906,11 +2828,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_do_reindex</span><span class="p">(</span><span class="n">dirty</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Table.reindex_dirty">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.reindex_dirty">[docs]</a>
-    <span class="k">def</span> <span class="nf">reindex_dirty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recompute the existing indexes in table, *if* they are dirty.</span>
+<div class="viewcode-block" id="Table.reindex_dirty"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.reindex_dirty">[docs]</a>    <span class="k">def</span> <span class="nf">reindex_dirty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recompute the existing indexes in table, *if* they are dirty.</span>
 
 <span class="sd">        This can be useful when you have set :attr:`Table.autoindex`</span>
 <span class="sd">        (see :class:`Table`) to false for the table and you want to</span>
@@ -2921,9 +2840,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_do_reindex</span><span class="p">(</span><span class="n">dirty</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_copy_rows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">object</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">sortby</span><span class="p">,</span> <span class="n">checkCSI</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy rows from self to object&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Copy rows from self to object&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="n">sortby</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_g_copy_rows_optim</span><span class="p">(</span><span class="nb">object</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">)</span>
             <span class="k">return</span>
@@ -2949,7 +2867,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="nb">object</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_copy_rows_optim</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">object</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy rows from self to object (optimized version)&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Copy rows from self to object (optimized version)&quot;&quot;&quot;</span>
 
         <span class="n">nrowsinbuf</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nrowsinbuf</span>
         <span class="nb">object</span><span class="o">.</span><span class="n">_open_append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_iobuf</span><span class="p">)</span>
@@ -2969,7 +2887,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="nb">object</span><span class="o">.</span><span class="n">_close_append</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_prop_indexes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Generate index in `other` table for every indexed column here.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Generate index in `other` table for every indexed column here.&quot;&quot;&quot;</span>
 
         <span class="n">oldcols</span><span class="p">,</span> <span class="n">newcols</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">colinstances</span><span class="p">,</span> <span class="n">other</span><span class="o">.</span><span class="n">colinstances</span>
         <span class="k">for</span> <span class="n">colname</span> <span class="ow">in</span> <span class="n">newcols</span><span class="p">:</span>
@@ -2984,7 +2902,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="k">def</span> <span class="nf">_g_copy_with_stats</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">group</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span>
                            <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span> <span class="n">chunkshape</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
 
         <span class="c1"># Get the private args for the Table flavor of copy()</span>
         <span class="n">sortby</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s1">&#39;sortby&#39;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
@@ -3009,11 +2927,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="c1"># This overloading of copy is needed here in order to document</span>
     <span class="c1"># the additional keywords for the Table case.</span>
-<div class="viewcode-block" id="Table.copy">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.copy">[docs]</a>
-    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
+<div class="viewcode-block" id="Table.copy"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Table.copy">[docs]</a>    <span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
              <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy this table and return the new one.</span>
+        <span class="sd">&quot;&quot;&quot;Copy this table and return the new one.</span>
 
 <span class="sd">        This method has the behavior and keywords described in</span>
 <span class="sd">        :meth:`Leaf.copy`.  Moreover, it recognises the following additional</span>
@@ -3043,9 +2959,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">copy</span><span class="p">(</span>
             <span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">overwrite</span><span class="p">,</span> <span class="n">createparents</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">flush</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Flush the table buffers.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Flush the table buffers.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">_iswritable</span><span class="p">():</span>
             <span class="c1"># Flush rows that remains to be appended</span>
@@ -3066,7 +2981,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_g_pre_kill_hook</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Code to be called before killing the node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Code to be called before killing the node.&quot;&quot;&quot;</span>
 
         <span class="c1"># Flush the buffers before to clean-up them</span>
         <span class="c1"># self.flush()</span>
@@ -3134,33 +3049,30 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_f_close</span><span class="p">(</span><span class="kc">False</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This provides column metainfo in addition to standard __str__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This provides column metainfo in addition to standard __str__&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">indexed</span><span class="p">:</span>
             <span class="nb">format</span> <span class="o">=</span> <span class="s2">&quot;&quot;&quot;</span><span class="se">\</span>
-<span class="si">%s</span>
-<span class="s2">  description := </span><span class="si">%r</span>
-<span class="s2">  byteorder := </span><span class="si">%r</span>
-<span class="s2">  chunkshape := </span><span class="si">%r</span>
-<span class="s2">  autoindex := </span><span class="si">%r</span>
+<span class="si">%s</span><span class="s2"></span>
+<span class="s2">  description := </span><span class="si">%r</span><span class="s2"></span>
+<span class="s2">  byteorder := </span><span class="si">%r</span><span class="s2"></span>
+<span class="s2">  chunkshape := </span><span class="si">%r</span><span class="s2"></span>
+<span class="s2">  autoindex := </span><span class="si">%r</span><span class="s2"></span>
 <span class="s2">  colindexes := </span><span class="si">%r</span><span class="s2">&quot;&quot;&quot;</span>
             <span class="k">return</span> <span class="nb">format</span> <span class="o">%</span> <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="p">,</span>
                              <span class="bp">self</span><span class="o">.</span><span class="n">chunkshape</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">autoindex</span><span class="p">,</span>
                              <span class="n">_ColIndexes</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">colindexes</span><span class="p">))</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="s2">&quot;&quot;&quot;</span><span class="se">\</span>
-<span class="si">%s</span>
-<span class="s2">  description := </span><span class="si">%r</span>
-<span class="s2">  byteorder := </span><span class="si">%r</span>
+<span class="si">%s</span><span class="s2"></span>
+<span class="s2">  description := </span><span class="si">%r</span><span class="s2"></span>
+<span class="s2">  byteorder := </span><span class="si">%r</span><span class="s2"></span>
 <span class="s2">  chunkshape := </span><span class="si">%r</span><span class="s2">&quot;&quot;&quot;</span> <span class="o">%</span> \
                 <span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">description</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">chunkshape</span><span class="p">)</span></div>
 
 
-
-<div class="viewcode-block" id="Cols">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols">[docs]</a>
-<span class="k">class</span> <span class="nc">Cols</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Container for columns in a table or nested column.</span>
+<div class="viewcode-block" id="Cols"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols">[docs]</a><span class="k">class</span> <span class="nc">Cols</span><span class="p">:</span>
+    <span class="sd">&quot;&quot;&quot;Container for columns in a table or nested column.</span>
 
 <span class="sd">    This class is used as an *accessor* to the columns in a table or nested</span>
 <span class="sd">    column.  It supports the *natural naming* convention, so that you can</span>
@@ -3202,7 +3114,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">_v_table</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The parent Table instance (see :ref:`TableClassDescr`).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The parent Table instance (see :ref:`TableClassDescr`).&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v__tableFile</span><span class="o">.</span><span class="n">_get_node</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v__tablePath</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">,</span> <span class="n">desc</span><span class="p">):</span>
@@ -3220,7 +3132,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                 <span class="n">myDict</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">Cols</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">desc</span><span class="o">.</span><span class="n">_v_colobjects</span><span class="p">[</span><span class="n">name</span><span class="p">])</span>
 
     <span class="k">def</span> <span class="nf">_g_update_table_location</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Updates the location information about the associated `table`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Updates the location information about the associated `table`.&quot;&quot;&quot;</span>
 
         <span class="n">myDict</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span>
         <span class="n">myDict</span><span class="p">[</span><span class="s1">&#39;_v__tableFile&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">_v_file</span>
@@ -3230,18 +3142,13 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">for</span> <span class="n">colname</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_colnames</span><span class="p">:</span>
             <span class="n">myDict</span><span class="p">[</span><span class="n">colname</span><span class="p">]</span><span class="o">.</span><span class="n">_g_update_table_location</span><span class="p">(</span><span class="n">table</span><span class="p">)</span>
 
-<div class="viewcode-block" id="Cols.__len__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols.__len__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the number of top level columns in table.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="Cols.__len__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols.__len__">[docs]</a>    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the number of top level columns in table.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_colnames</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Cols._f_col">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols._f_col">[docs]</a>
-    <span class="k">def</span> <span class="nf">_f_col</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get an accessor to the column colname.</span>
+<div class="viewcode-block" id="Cols._f_col"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols._f_col">[docs]</a>    <span class="k">def</span> <span class="nf">_f_col</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colname</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get an accessor to the column colname.</span>
 
 <span class="sd">        This method returns a Column instance (see :ref:`ColumnClassDescr`) if</span>
 <span class="sd">        the requested column is not nested, and a Cols instance (see</span>
@@ -3268,9 +3175,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_g_col</span><span class="p">(</span><span class="n">colname</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_col</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">colname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Like `self._f_col()` but it does not check arguments.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Like `self._f_col()` but it does not check arguments.&quot;&quot;&quot;</span>
 
         <span class="c1"># Get the Column or Description object</span>
         <span class="n">inames</span> <span class="o">=</span> <span class="n">colname</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">)</span>
@@ -3279,10 +3185,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">cols</span> <span class="o">=</span> <span class="n">cols</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="n">iname</span><span class="p">]</span>
         <span class="k">return</span> <span class="n">cols</span>
 
-<div class="viewcode-block" id="Cols.__getitem__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols.__getitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a row or a range of rows from a table or nested column.</span>
+<div class="viewcode-block" id="Cols.__getitem__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols.__getitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a row or a range of rows from a table or nested column.</span>
 
 <span class="sd">        If key argument is an integer, the corresponding nested type row is</span>
 <span class="sd">        returned as a record of the current flavor. If key is a slice, the</span>
@@ -3339,11 +3243,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;invalid index or slice: </span><span class="si">{</span><span class="n">key</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Cols.__setitem__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols.__setitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a row or a range of rows in a table or nested column.</span>
+<div class="viewcode-block" id="Cols.__setitem__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Cols.__setitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a row or a range of rows in a table or nested column.</span>
 
 <span class="sd">        If key argument is an integer, the corresponding row is set to</span>
 <span class="sd">        value. If key is a slice, the range of rows determined by it is set to</span>
@@ -3394,7 +3295,6 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">table</span><span class="o">.</span><span class="n">modify_column</span><span class="p">(</span>
                 <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span> <span class="n">colname</span><span class="o">=</span><span class="n">colgroup</span><span class="p">,</span> <span class="n">column</span><span class="o">=</span><span class="n">value</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_g_close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="c1"># First, close the columns (ie possible indices open)</span>
         <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_colnames</span><span class="p">:</span>
@@ -3409,7 +3309,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
 
         <span class="c1"># The pathname</span>
         <span class="n">descpathname</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_desc</span><span class="o">.</span><span class="n">_v_pathname</span>
@@ -3420,7 +3320,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                 <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_colnames</span><span class="p">)</span><span class="si">}</span><span class="s2"> columns&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
 
         <span class="n">lines</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="bp">self</span><span class="si">!s}</span><span class="s1">&#39;</span><span class="p">]</span>
         <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_colnames</span><span class="p">:</span>
@@ -3440,11 +3340,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">lines</span><span class="p">)</span> <span class="o">+</span> <span class="s1">&#39;</span><span class="se">\n</span><span class="s1">&#39;</span></div>
 
 
-
-<div class="viewcode-block" id="Column">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column">[docs]</a>
-<span class="k">class</span> <span class="nc">Column</span><span class="p">:</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Accessor for a non-nested column in a table.</span>
+<div class="viewcode-block" id="Column"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column">[docs]</a><span class="k">class</span> <span class="nc">Column</span><span class="p">:</span>
+    <span class="sd">&quot;&quot;&quot;Accessor for a non-nested column in a table.</span>
 
 <span class="sd">    Each instance of this class is associated with one *non-nested* column of a</span>
 <span class="sd">    table. These instances are mainly used to read and write data from the</span>
@@ -3485,24 +3382,24 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">dtype</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The NumPy dtype that most closely matches this column.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The NumPy dtype that most closely matches this column.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">descr</span><span class="o">.</span><span class="n">_v_dtypes</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">base</span>  <span class="c1"># Get rid of shape info</span>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">type</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The PyTables type of the column (a string).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The PyTables type of the column (a string).&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">descr</span><span class="o">.</span><span class="n">_v_types</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">]</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">table</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The parent Table instance (see :ref:`TableClassDescr`).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The parent Table instance (see :ref:`TableClassDescr`).&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_table_file</span><span class="o">.</span><span class="n">_get_node</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_table_path</span><span class="p">)</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">index</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The Index instance (see :ref:`IndexClassDescr`) associated with this</span>
+        <span class="sd">&quot;&quot;&quot;The Index instance (see :ref:`IndexClassDescr`) associated with this</span>
 <span class="sd">        column (None if the column is not indexed).&quot;&quot;&quot;</span>
         <span class="n">indexPath</span> <span class="o">=</span> <span class="n">_index_pathname_of_column_</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_table_path</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">pathname</span><span class="p">)</span>
         <span class="k">try</span><span class="p">:</span>
@@ -3517,12 +3414,12 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">shape</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of this column.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of this column.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">nrows</span><span class="p">,)</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">descr</span><span class="o">.</span><span class="n">_v_dtypes</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">shape</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">is_indexed</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;True if the column is indexed, false otherwise.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;True if the column is indexed, false otherwise.&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">index</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="k">return</span> <span class="kc">False</span>
         <span class="k">else</span><span class="p">:</span>
@@ -3530,7 +3427,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">maindim</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;&quot;The dimension along which iterators work. Its value is 0 (i.e. the</span>
+        <span class="sd">&quot;&quot;&quot;&quot;The dimension along which iterators work. Its value is 0 (i.e. the</span>
 <span class="sd">        first dimension).&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="mi">0</span>
 
@@ -3538,25 +3435,23 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_table_file</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">_v_file</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_table_path</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">_v_pathname</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">name</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The name of the associated column.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The name of the associated column.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">pathname</span> <span class="o">=</span> <span class="n">descr</span><span class="o">.</span><span class="n">_v_colobjects</span><span class="p">[</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">_v_pathname</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The complete pathname of the associated column (the same as</span>
+        <span class="sd">&quot;&quot;&quot;The complete pathname of the associated column (the same as</span>
 <span class="sd">        Column.name if the column is not inside a nested column).&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">descr</span> <span class="o">=</span> <span class="n">descr</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The Description (see :ref:`DescriptionClassDescr`) instance of the</span>
+        <span class="sd">&quot;&quot;&quot;The Description (see :ref:`DescriptionClassDescr`) instance of the</span>
 <span class="sd">        parent table or nested column.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span> <span class="o">=</span> <span class="n">ColumnAttributeSet</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_g_update_table_location</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Updates the location information about the associated `table`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Updates the location information about the associated `table`.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_table_file</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">_v_file</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_table_path</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">_v_pathname</span>
 
-<div class="viewcode-block" id="Column.__len__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.__len__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the number of elements in the column.</span>
+<div class="viewcode-block" id="Column.__len__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.__len__">[docs]</a>    <span class="k">def</span> <span class="fm">__len__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the number of elements in the column.</span>
 
 <span class="sd">        This matches the length in rows of the parent table.</span>
 
@@ -3564,11 +3459,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">nrows</span></div>
 
-
-<div class="viewcode-block" id="Column.__getitem__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.__getitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a row or a range of rows from a column.</span>
+<div class="viewcode-block" id="Column.__getitem__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.__getitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a row or a range of rows from a column.</span>
 
 <span class="sd">        If key argument is an integer, the corresponding element in the column</span>
 <span class="sd">        is returned as an object of the current flavor.  If key is a slice, the</span>
@@ -3637,9 +3529,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span>
                 <span class="s2">&quot;&#39;</span><span class="si">%s</span><span class="s2">&#39; key type is not valid in this context&quot;</span> <span class="o">%</span> <span class="n">key</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate through all items in the column.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Iterate through all items in the column.&quot;&quot;&quot;</span>
 
         <span class="n">table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table</span>
         <span class="n">itemsize</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">dtype</span><span class="o">.</span><span class="n">itemsize</span>
@@ -3653,10 +3544,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                        <span class="n">out</span><span class="o">=</span><span class="n">buf_slice</span><span class="p">)</span>
             <span class="k">yield from</span> <span class="n">buf_slice</span>
 
-<div class="viewcode-block" id="Column.__setitem__">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.__setitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a row or a range of rows in a column.</span>
+<div class="viewcode-block" id="Column.__setitem__"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.__setitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a row or a range of rows in a column.</span>
 
 <span class="sd">        If key argument is an integer, the corresponding element is set to</span>
 <span class="sd">        value.  If key is a slice, the range of elements determined by it is</span>
@@ -3713,13 +3602,10 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;Non-valid index or slice: </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">key</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Column.create_index">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.create_index">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_index</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">optlevel</span><span class="o">=</span><span class="mi">6</span><span class="p">,</span> <span class="n">kind</span><span class="o">=</span><span class="s2">&quot;medium&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Column.create_index"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.create_index">[docs]</a>    <span class="k">def</span> <span class="nf">create_index</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">optlevel</span><span class="o">=</span><span class="mi">6</span><span class="p">,</span> <span class="n">kind</span><span class="o">=</span><span class="s2">&quot;medium&quot;</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                      <span class="n">tmp_dir</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_blocksizes</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_testmode</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                      <span class="n">_verbose</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create an index for this column.</span>
+        <span class="sd">&quot;&quot;&quot;Create an index for this column.</span>
 
 <span class="sd">        .. warning::</span>
 
@@ -3787,12 +3673,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                                         <span class="n">tmp_dir</span><span class="p">,</span> <span class="n">_blocksizes</span><span class="p">,</span> <span class="n">_verbose</span><span class="p">)</span>
         <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="n">idxrows</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Column.create_csindex">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.create_csindex">[docs]</a>
-    <span class="k">def</span> <span class="nf">create_csindex</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">tmp_dir</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+<div class="viewcode-block" id="Column.create_csindex"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.create_csindex">[docs]</a>    <span class="k">def</span> <span class="nf">create_csindex</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">tmp_dir</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                        <span class="n">_blocksizes</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">_testmode</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">_verbose</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a completely sorted index (CSI) for this column.</span>
+        <span class="sd">&quot;&quot;&quot;Create a completely sorted index (CSI) for this column.</span>
 
 <span class="sd">        This method guarantees the creation of an index with zero entropy, that</span>
 <span class="sd">        is, a completely sorted index (CSI) -- provided that the number of rows</span>
@@ -3815,9 +3698,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">kind</span><span class="o">=</span><span class="s1">&#39;full&#39;</span><span class="p">,</span> <span class="n">optlevel</span><span class="o">=</span><span class="mi">9</span><span class="p">,</span> <span class="n">filters</span><span class="o">=</span><span class="n">filters</span><span class="p">,</span> <span class="n">tmp_dir</span><span class="o">=</span><span class="n">tmp_dir</span><span class="p">,</span>
             <span class="n">_blocksizes</span><span class="o">=</span><span class="n">_blocksizes</span><span class="p">,</span> <span class="n">_testmode</span><span class="o">=</span><span class="n">_testmode</span><span class="p">,</span> <span class="n">_verbose</span><span class="o">=</span><span class="n">_verbose</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_do_reindex</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dirty</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Common code for reindex() and reindex_dirty() codes.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Common code for reindex() and reindex_dirty() codes.&quot;&quot;&quot;</span>
 
         <span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">index</span>
         <span class="n">dodirty</span> <span class="o">=</span> <span class="kc">True</span>
@@ -3840,10 +3722,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="n">SizeType</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>  <span class="c1"># The column is not intended for indexing</span>
 
-<div class="viewcode-block" id="Column.reindex">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.reindex">[docs]</a>
-    <span class="k">def</span> <span class="nf">reindex</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recompute the index associated with this column.</span>
+<div class="viewcode-block" id="Column.reindex"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.reindex">[docs]</a>    <span class="k">def</span> <span class="nf">reindex</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recompute the index associated with this column.</span>
 
 <span class="sd">        This can be useful when you suspect that, for any reason,</span>
 <span class="sd">        the index information is no longer valid and you want to rebuild it.</span>
@@ -3854,11 +3734,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_do_reindex</span><span class="p">(</span><span class="n">dirty</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Column.reindex_dirty">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.reindex_dirty">[docs]</a>
-    <span class="k">def</span> <span class="nf">reindex_dirty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Recompute the associated index only if it is dirty.</span>
+<div class="viewcode-block" id="Column.reindex_dirty"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.reindex_dirty">[docs]</a>    <span class="k">def</span> <span class="nf">reindex_dirty</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Recompute the associated index only if it is dirty.</span>
 
 <span class="sd">        This can be useful when you have set :attr:`Table.autoindex` to false</span>
 <span class="sd">        for the table and you want to update the column&#39;s index after an</span>
@@ -3870,11 +3747,8 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_do_reindex</span><span class="p">(</span><span class="n">dirty</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span></div>
 
-
-<div class="viewcode-block" id="Column.remove_index">
-<a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.remove_index">[docs]</a>
-    <span class="k">def</span> <span class="nf">remove_index</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Remove the index associated with this column.</span>
+<div class="viewcode-block" id="Column.remove_index"><a class="viewcode-back" href="../../usersguide/libref/structured_storage.html#tables.Column.remove_index">[docs]</a>    <span class="k">def</span> <span class="nf">remove_index</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Remove the index associated with this column.</span>
 
 <span class="sd">        This method does nothing if the column is not indexed. The removed</span>
 <span class="sd">        index can be created again by calling the :meth:`Column.create_index`</span>
@@ -3890,21 +3764,20 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">index</span><span class="o">.</span><span class="n">_f_remove</span><span class="p">()</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">_set_column_indexing</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">pathname</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">close</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close this column.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Close this column.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
 
-        <span class="k">return</span> <span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_table_path</span><span class="si">}</span><span class="s2">.cols.</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">pathname</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">,</span><span class="w"> </span><span class="s1">&#39;.&#39;</span><span class="p">)</span><span class="si">}</span><span class="s2"> &quot;</span>
+        <span class="k">return</span> <span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_table_path</span><span class="si">}</span><span class="s2">.cols.</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">pathname</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">,</span> <span class="s1">&#39;.&#39;</span><span class="p">)</span><span class="si">}</span><span class="s2"> &quot;</span>
                 <span class="sa">f</span><span class="s2">&quot;(</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span><span class="si">}{</span><span class="bp">self</span><span class="o">.</span><span class="n">shape</span><span class="si">}</span><span class="s2">, &quot;</span>
                 <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">descr</span><span class="o">.</span><span class="n">_v_types</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="si">}</span><span class="s2">, idx=</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">index</span><span class="si">}</span><span class="s2">)&quot;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
 
         <span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
 
@@ -3921,7 +3794,6 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_attrs</span></div>
 
 
-
 <span class="k">class</span> <span class="nc">ColumnAttributeSet</span><span class="p">:</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">column</span><span class="p">):</span>
@@ -3936,58 +3808,58 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="fm">__setitem__</span><span class="p">(</span><span class="n">col_attr_key</span><span class="p">,</span> <span class="n">col_attr_val</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">issystemcolumnname</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Checks whether a key is a reserved attribute name, or should be passed through.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Checks whether a key is a reserved attribute name, or should be passed through.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="n">key</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">&#39;_v_tableattrs&#39;</span><span class="p">,</span> <span class="s1">&#39;_v_fieldindex&#39;</span><span class="p">,</span> <span class="s1">&#39;_v_column_reference&#39;</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">_prefix</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">string</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Prefixes a key with a special pattern for storing with table attributes&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Prefixes a key with a special pattern for storing with table attributes&quot;&quot;&quot;</span>
         <span class="n">field_index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="s1">&#39;_v_fieldindex&#39;</span><span class="p">]</span>
         <span class="k">return</span> <span class="s1">&#39;FIELD_</span><span class="si">%i</span><span class="s1">_ATTR_</span><span class="si">%s</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="p">(</span><span class="n">field_index</span><span class="p">,</span> <span class="n">string</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__getattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Retrieves a PyTables attribute for this column&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Retrieves a PyTables attribute for this column&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">issystemcolumnname</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
             <span class="k">return</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_prefix</span><span class="p">(</span><span class="n">key</span><span class="p">))</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__getattr__</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__setattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">val</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Sets a PyTables attribute for this column&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Sets a PyTables attribute for this column&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">issystemcolumnname</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
             <span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_prefix</span><span class="p">(</span><span class="n">key</span><span class="p">),</span> <span class="n">val</span><span class="p">)</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__setattr__</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">val</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A dictionary-like interface for __getattr__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A dictionary-like interface for __getattr__&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">issystemcolumnname</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prefix</span><span class="p">(</span><span class="n">key</span><span class="p">)]</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="bp">self</span><span class="p">[</span><span class="n">key</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A dictionary-like interface for __setattr__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A dictionary-like interface for __setattr__&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">issystemcolumnname</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
             <span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prefix</span><span class="p">(</span><span class="n">key</span><span class="p">)]</span> <span class="o">=</span> <span class="n">value</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="bp">self</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
 
     <span class="k">def</span> <span class="fm">__delattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Deletes the attribute for this column&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Deletes the attribute for this column&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">issystemcolumnname</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s1">&#39;Deleting system attributes is prohibited&#39;</span><span class="p">)</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="nb">delattr</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_prefix</span><span class="p">(</span><span class="n">key</span><span class="p">))</span>
 
     <span class="k">def</span> <span class="fm">__delitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A dictionary-like interface for __delattr__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A dictionary-like interface for __delattr__&quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">issystemcolumnname</span><span class="p">(</span><span class="n">key</span><span class="p">):</span>
             <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s1">&#39;Deleting system attributes is prohibited&#39;</span><span class="p">)</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_prefix</span><span class="p">(</span><span class="n">key</span><span class="p">)]</span>
 
     <span class="k">def</span> <span class="nf">_f_rename</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">oldattrname</span><span class="p">,</span> <span class="n">newattrname</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Rename an attribute from oldattrname to newattrname.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Rename an attribute from oldattrname to newattrname.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">oldattrname</span> <span class="o">==</span> <span class="n">newattrname</span><span class="p">:</span>
             <span class="c1"># Do nothing</span>
@@ -4006,7 +3878,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="nb">delattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">oldattrname</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">where</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Copy attributes to another column&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Copy attributes to another column&quot;&quot;&quot;</span>
 
         <span class="c1"># Is there a better way to do this?</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">where</span><span class="p">,</span> <span class="n">Column</span><span class="p">):</span>
@@ -4016,17 +3888,17 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">where</span><span class="o">.</span><span class="n">attrs</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="p">[</span><span class="n">key</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">keys</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Returns the list of attributes for this column&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Returns the list of attributes for this column&quot;&quot;&quot;</span>
         <span class="n">col_prefix</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_prefix</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">)</span>
         <span class="n">length</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">col_prefix</span><span class="p">)</span>
         <span class="k">return</span> <span class="p">[</span><span class="n">key</span><span class="p">[</span><span class="n">length</span><span class="p">:]</span> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="o">.</span><span class="n">_v_attrnames</span> <span class="k">if</span> <span class="n">key</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="n">col_prefix</span><span class="p">)]</span>
 
     <span class="k">def</span> <span class="nf">contains</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Returns whether a key is in the attribute set&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Returns whether a key is in the attribute set&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="n">key</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">keys</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The string representation for this object.&quot;&quot;&quot;</span>
 
         <span class="n">pathname</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_tableattrs</span><span class="o">.</span><span class="n">_v__nodepath</span>
         <span class="n">classname</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_column_reference</span><span class="p">()</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__name__</span>  <span class="c1"># self._v_tableattrs._v_node.__class__.__name__</span>
@@ -4036,12 +3908,12 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">pathname</span><span class="si">}</span><span class="s2">.cols.</span><span class="si">{</span><span class="n">columnname</span><span class="si">}</span><span class="s2">._v_attrs (</span><span class="si">{</span><span class="n">classname</span><span class="si">}</span><span class="s2">), </span><span class="si">{</span><span class="n">attrnumber</span><span class="si">}</span><span class="s2"> attributes&quot;</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;A detailed string representation for this object.&quot;&quot;&quot;</span>
 
         <span class="c1"># print additional info only if there are attributes to show</span>
         <span class="n">attrnames</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">keys</span><span class="p">()</span>
         <span class="k">if</span> <span class="n">attrnames</span><span class="p">:</span>
-            <span class="n">rep</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">attr</span><span class="si">}</span><span class="s1"> := </span><span class="si">{</span><span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">attr</span><span class="p">)</span><span class="si">!r}</span><span class="s1">&#39;</span> <span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="n">attrnames</span><span class="p">]</span>
+            <span class="n">rep</span> <span class="o">=</span> <span class="p">[</span><span class="sa">f</span><span class="s1">&#39;</span><span class="si">{</span><span class="n">attr</span><span class="si">}</span><span class="s1"> := </span><span class="si">{</span><span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">attr</span><span class="p">)</span><span class="si">!r}</span><span class="s1">&#39;</span> <span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="n">attrnames</span><span class="p">]</span>
             <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">!s}</span><span class="s2">:</span><span class="se">\n</span><span class="s2">   [&quot;</span> <span class="o">+</span> <span class="s1">&#39;,</span><span class="se">\n</span><span class="s1">    &#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">rep</span><span class="p">)</span> <span class="o">+</span> <span class="s2">&quot;]&quot;</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
diff --git a/_modules/tables/tests/common.html b/_modules/tables/tests/common.html
index b2f8e84..fe12a6d 100644
--- a/_modules/tables/tests/common.html
+++ b/_modules/tables/tests/common.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.tests.common &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.tests.common &mdash; PyTables 3.9.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../../" id="documentation_options" src="../../../_static/documentation_options.js"></script>
+        <script src="../../../_static/jquery.js"></script>
+        <script src="../../../_static/underscore.js"></script>
+        <script src="../../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../../_static/doctools.js"></script>
     <script src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../../index.html">
-            
-              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../../index.html">
+            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.9.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.tests.common</li>
+      <li><a href="../../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../../index.html">Module code</a> &raquo;</li>
+      <li>tables.tests.common</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -164,10 +162,8 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
     <span class="nb">print</span><span class="p">(</span><span class="s1">&#39;-=&#39;</span> <span class="o">*</span> <span class="mi">38</span><span class="p">)</span>
 
 
-<div class="viewcode-block" id="print_versions">
-<a class="viewcode-back" href="../../../usersguide/libref/top_level.html#tables.print_versions">[docs]</a>
-<span class="k">def</span> <span class="nf">print_versions</span><span class="p">():</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Print all the versions of software that PyTables relies on.&quot;&quot;&quot;</span>
+<div class="viewcode-block" id="print_versions"><a class="viewcode-back" href="../../../usersguide/libref/top_level.html#tables.print_versions">[docs]</a><span class="k">def</span> <span class="nf">print_versions</span><span class="p">():</span>
+    <span class="sd">&quot;&quot;&quot;Print all the versions of software that PyTables relies on.&quot;&quot;&quot;</span>
 
     <span class="nb">print</span><span class="p">(</span><span class="s1">&#39;-=&#39;</span> <span class="o">*</span> <span class="mi">38</span><span class="p">)</span>
     <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;PyTables version:    </span><span class="si">%s</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="n">tb</span><span class="o">.</span><span class="n">__version__</span><span class="p">)</span>
@@ -233,14 +229,13 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
     <span class="n">sys</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">flush</span><span class="p">()</span></div>
 
 
-
 <span class="k">def</span> <span class="nf">test_filename</span><span class="p">(</span><span class="n">filename</span><span class="p">):</span>
     <span class="kn">from</span> <span class="nn">importlib</span> <span class="kn">import</span> <span class="n">resources</span>
     <span class="k">return</span> <span class="n">resources</span><span class="o">.</span><span class="n">files</span><span class="p">(</span><span class="s1">&#39;tables.tests&#39;</span><span class="p">)</span> <span class="o">/</span> <span class="n">filename</span>
 
 
 <span class="k">def</span> <span class="nf">verbosePrint</span><span class="p">(</span><span class="n">string</span><span class="p">,</span> <span class="n">nonl</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Print out the `string` if verbose output is enabled.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Print out the `string` if verbose output is enabled.&quot;&quot;&quot;</span>
     <span class="k">if</span> <span class="ow">not</span> <span class="n">verbose</span><span class="p">:</span>
         <span class="k">return</span>
     <span class="k">if</span> <span class="n">nonl</span><span class="p">:</span>
@@ -250,7 +245,7 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">allequal</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">flavor</span><span class="o">=</span><span class="s2">&quot;numpy&quot;</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Checks if two numerical objects are equal.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Checks if two numerical objects are equal.&quot;&quot;&quot;</span>
 
     <span class="c1"># print(&quot;a--&gt;&quot;, repr(a))</span>
     <span class="c1"># print(&quot;b--&gt;&quot;, repr(b))</span>
@@ -303,7 +298,7 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
 
 
 <span class="k">def</span> <span class="nf">areArraysEqual</span><span class="p">(</span><span class="n">arr1</span><span class="p">,</span> <span class="n">arr2</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Are both `arr1` and `arr2` equal arrays?</span>
+    <span class="sd">&quot;&quot;&quot;Are both `arr1` and `arr2` equal arrays?</span>
 
 <span class="sd">    Arguments can be regular NumPy arrays, chararray arrays or</span>
 <span class="sd">    structured arrays (including structured record arrays). They are</span>
@@ -329,15 +324,15 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
                 <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
 
     <span class="k">def</span> <span class="nf">_getName</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the name of this test case.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get the name of this test case.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">()</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;.&#39;</span><span class="p">)[</span><span class="o">-</span><span class="mi">2</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">_getMethodName</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the name of the method currently running in the test case.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get the name of the method currently running in the test case.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">id</span><span class="p">()</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">&#39;.&#39;</span><span class="p">)[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
 
     <span class="k">def</span> <span class="nf">_verboseHeader</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Print a nice header for the current test method if verbose.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Print a nice header for the current test method if verbose.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">verbose</span><span class="p">:</span>
             <span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_getName</span><span class="p">()</span>
@@ -389,7 +384,7 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">h5fname</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_getName</span><span class="p">(),</span> <span class="o">**</span><span class="bp">self</span><span class="o">.</span><span class="n">open_kwargs</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">tearDown</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close ``h5file``.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Close ``h5file``.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">h5file</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">tearDown</span><span class="p">()</span>
@@ -403,7 +398,7 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">tempfile</span><span class="o">.</span><span class="n">mktemp</span><span class="p">(</span><span class="n">prefix</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_getName</span><span class="p">(),</span> <span class="n">suffix</span><span class="o">=</span><span class="s1">&#39;.h5&#39;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">setUp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set ``h5file`` and ``h5fname`` instance attributes.</span>
+        <span class="sd">&quot;&quot;&quot;Set ``h5file`` and ``h5fname`` instance attributes.</span>
 
 <span class="sd">        * ``h5fname``: the name of the temporary HDF5 file.</span>
 <span class="sd">        * ``h5file``: the writable, empty, temporary HDF5 file.</span>
@@ -417,7 +412,7 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
             <span class="o">**</span><span class="bp">self</span><span class="o">.</span><span class="n">open_kwargs</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">tearDown</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Close ``h5file`` and remove ``h5fname``.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Close ``h5file`` and remove ``h5fname``.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">h5file</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">h5file</span> <span class="o">=</span> <span class="kc">None</span>
@@ -425,7 +420,7 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">tearDown</span><span class="p">()</span>
 
     <span class="k">def</span> <span class="nf">_reopen</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s1">&#39;r&#39;</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Reopen ``h5file`` in the specified ``mode``.</span>
+        <span class="sd">&quot;&quot;&quot;Reopen ``h5file`` in the specified ``mode``.</span>
 
 <span class="sd">        Returns a true or false value depending on whether the file was</span>
 <span class="sd">        reopenend or not.  If not, nothing is changed.</span>
@@ -439,10 +434,10 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
 
 <span class="k">class</span> <span class="nc">ShowMemTime</span><span class="p">(</span><span class="n">PyTablesTestCase</span><span class="p">):</span>
     <span class="n">tref</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Test for showing memory and time consumption.&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;Test for showing memory and time consumption.&quot;&quot;&quot;</span>
 
     <span class="k">def</span> <span class="nf">test00</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Showing memory and time consumption.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Showing memory and time consumption.&quot;&quot;&quot;</span>
 
         <span class="c1"># Obtain memory info (only for Linux 2.6.x)</span>
         <span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="n">Path</span><span class="p">(</span><span class="s2">&quot;/proc/self/status&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">read_text</span><span class="p">()</span><span class="o">.</span><span class="n">splitlines</span><span class="p">():</span>
diff --git a/_modules/tables/tests/test_suite.html b/_modules/tables/tests/test_suite.html
index 346b636..73c8fa6 100644
--- a/_modules/tables/tests/test_suite.html
+++ b/_modules/tables/tests/test_suite.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.tests.test_suite &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.tests.test_suite &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../../" id="documentation_options" src="../../../_static/documentation_options.js"></script>
+        <script src="../../../_static/jquery.js"></script>
+        <script src="../../../_static/underscore.js"></script>
+        <script src="../../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../../_static/doctools.js"></script>
     <script src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../../index.html">
-            
-              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../../index.html">
+            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.tests.test_suite</li>
+      <li><a href="../../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../../index.html">Module code</a> &raquo;</li>
+      <li>tables.tests.test_suite</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -157,10 +155,8 @@ <h1>Source code for tables.tests.test_suite</h1><div class="highlight"><pre>
     <span class="k">return</span> <span class="n">alltests</span>
 
 
-<div class="viewcode-block" id="test">
-<a class="viewcode-back" href="../../../usersguide/libref/top_level.html#tables.test">[docs]</a>
-<span class="k">def</span> <span class="nf">test</span><span class="p">(</span><span class="n">verbose</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">heavy</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;Run all the tests in the test suite.</span>
+<div class="viewcode-block" id="test"><a class="viewcode-back" href="../../../usersguide/libref/top_level.html#tables.test">[docs]</a><span class="k">def</span> <span class="nf">test</span><span class="p">(</span><span class="n">verbose</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">heavy</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;Run all the tests in the test suite.</span>
 
 <span class="sd">    If *verbose* is set, the test suite will emit messages with full</span>
 <span class="sd">    verbosity (not recommended unless you are looking into a certain</span>
@@ -190,7 +186,6 @@ <h1>Source code for tables.tests.test_suite</h1><div class="highlight"><pre>
     <span class="k">finally</span><span class="p">:</span>
         <span class="c1"># common.verbose = oldverbose</span>
         <span class="n">common</span><span class="o">.</span><span class="n">heavy</span> <span class="o">=</span> <span class="n">oldheavy</span>  <span class="c1"># there are pretty young heavies, too ;)</span></div>
-
 </pre></div>
 
            </div>
diff --git a/_modules/tables/unimplemented.html b/_modules/tables/unimplemented.html
index b889884..63b54d9 100644
--- a/_modules/tables/unimplemented.html
+++ b/_modules/tables/unimplemented.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.unimplemented &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.unimplemented &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.unimplemented</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.unimplemented</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -102,10 +100,8 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
 <span class="kn">from</span> <span class="nn">.leaf</span> <span class="kn">import</span> <span class="n">Leaf</span>
 
 
-<div class="viewcode-block" id="UnImplemented">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.UnImplemented">[docs]</a>
-<span class="k">class</span> <span class="nc">UnImplemented</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">UnImplemented</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents datasets not supported by PyTables in an HDF5</span>
+<div class="viewcode-block" id="UnImplemented"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.UnImplemented">[docs]</a><span class="k">class</span> <span class="nc">UnImplemented</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">UnImplemented</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;This class represents datasets not supported by PyTables in an HDF5</span>
 <span class="sd">    file.</span>
 
 <span class="sd">    When reading a generic HDF5 file (i.e. one that has not been created with</span>
@@ -133,18 +129,18 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
     <span class="n">_c_classid</span> <span class="o">=</span> <span class="s1">&#39;UNIMPLEMENTED&#39;</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create the `UnImplemented` instance.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create the `UnImplemented` instance.&quot;&quot;&quot;</span>
 
         <span class="c1"># UnImplemented objects always come from opening an existing node</span>
         <span class="c1"># (they can not be created).</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">=</span> <span class="n">SizeType</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The length of the first dimension of the data.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The length of the first dimension of the data.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">shape</span> <span class="o">=</span> <span class="p">(</span><span class="n">SizeType</span><span class="p">(</span><span class="mi">0</span><span class="p">),)</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of the stored data.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of the stored data.&quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The endianness of data in memory (&#39;big&#39;, &#39;little&#39; or</span>
+        <span class="sd">&quot;&quot;&quot;The endianness of data in memory (&#39;big&#39;, &#39;little&#39; or</span>
 <span class="sd">        &#39;irrelevant&#39;).&quot;&quot;&quot;</span>
 
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
@@ -158,7 +154,7 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="n">object_id</span>
 
     <span class="k">def</span> <span class="nf">_g_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="p">,</span> <span class="n">newname</span><span class="p">,</span> <span class="n">recursive</span><span class="p">,</span> <span class="n">_log</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Do nothing.</span>
+        <span class="sd">&quot;&quot;&quot;Do nothing.</span>
 
 <span class="sd">        This method does nothing, but a ``UserWarning`` is issued.</span>
 <span class="sd">        Please note that this method *does not return a new node*, but</span>
@@ -174,7 +170,7 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
     <span class="k">def</span> <span class="nf">_f_copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newparent</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">newname</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
                 <span class="n">overwrite</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">createparents</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
                 <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Do nothing.</span>
+        <span class="sd">&quot;&quot;&quot;Do nothing.</span>
 
 <span class="sd">        This method does nothing, since `UnImplemented` nodes can not</span>
 <span class="sd">        be copied.  However, a ``UserWarning`` is issued.  Please note</span>
@@ -187,7 +183,7 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="kc">None</span>  <span class="c1"># Can you see it?</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-        <span class="k">return</span> <span class="s2">&quot;&quot;&quot;</span><span class="si">{}</span>
+        <span class="k">return</span> <span class="s2">&quot;&quot;&quot;</span><span class="si">{}</span><span class="s2"></span>
 <span class="s2">  NOTE: &lt;The UnImplemented object represents a PyTables unimplemented</span>
 <span class="s2">         dataset present in the &#39;</span><span class="si">{}</span><span class="s2">&#39; HDF5 file.  If you want to see this</span>
 <span class="s2">         kind of HDF5 dataset implemented in PyTables, please contact the</span>
@@ -195,12 +191,9 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
 <span class="s2">&quot;&quot;&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="bp">self</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">filename</span><span class="p">)</span></div>
 
 
-
 <span class="c1"># Classes reported as H5G_UNKNOWN by HDF5</span>
-<div class="viewcode-block" id="Unknown">
-<a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.Unknown">[docs]</a>
-<span class="k">class</span> <span class="nc">Unknown</span><span class="p">(</span><span class="n">Node</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents nodes reported as *unknown* by the underlying</span>
+<div class="viewcode-block" id="Unknown"><a class="viewcode-back" href="../../usersguide/libref/helper_classes.html#tables.Unknown">[docs]</a><span class="k">class</span> <span class="nc">Unknown</span><span class="p">(</span><span class="n">Node</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;This class represents nodes reported as *unknown* by the underlying</span>
 <span class="sd">    HDF5 library.</span>
 
 <span class="sd">    This class does not have any public instance variables or methods, except</span>
@@ -212,7 +205,7 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
     <span class="n">_c_classid</span> <span class="o">=</span> <span class="s1">&#39;UNKNOWN&#39;</span>
 
     <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create the `Unknown` instance.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create the `Unknown` instance.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="kc">False</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">parentnode</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span>
@@ -236,14 +229,13 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">pathname</span><span class="si">}</span><span class="s2"> (</span><span class="si">{</span><span class="n">classname</span><span class="si">}</span><span class="s2">)&quot;</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">!s}</span>
+        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">!s}</span><span class="s2"></span>
 <span class="s2">  NOTE: &lt;The Unknown object represents a node which is reported as</span>
 <span class="s2">         unknown by the underlying HDF5 library, but that might be</span>
 <span class="s2">         supported in more recent HDF5 versions.&gt;</span>
 <span class="s2">&quot;&quot;&quot;</span></div>
 
 
-
 <span class="c1"># These are listed here for backward compatibility with PyTables 0.9.x indexes</span>
 <span class="k">class</span> <span class="nc">OldIndexArray</span><span class="p">(</span><span class="n">UnImplemented</span><span class="p">):</span>
     <span class="n">_c_classid</span> <span class="o">=</span> <span class="s1">&#39;IndexArray&#39;</span>
diff --git a/_modules/tables/vlarray.html b/_modules/tables/vlarray.html
index 722a13a..dd24da7 100644
--- a/_modules/tables/vlarray.html
+++ b/_modules/tables/vlarray.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>tables.vlarray &mdash; PyTables 3.9.0 documentation</title>
+  <title>tables.vlarray &mdash; PyTables 3.8.1.dev0 documentation</title>
       <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
       <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
@@ -11,9 +11,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
-                3.9.0
+                3.8.1.dev0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,9 +78,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">Module code</a></li>
-      <li class="breadcrumb-item active">tables.vlarray</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">Module code</a> &raquo;</li>
+      <li>tables.vlarray</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
@@ -116,10 +114,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 <span class="n">obversion</span> <span class="o">=</span> <span class="s2">&quot;1.4&quot;</span>    <span class="c1"># Numeric and numarray flavors are gone.</span>
 
 
-<div class="viewcode-block" id="VLArray">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray">[docs]</a>
-<span class="k">class</span> <span class="nc">VLArray</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">VLArray</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;This class represents variable length (ragged) arrays in an HDF5 file.</span>
+<div class="viewcode-block" id="VLArray"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray">[docs]</a><span class="k">class</span> <span class="nc">VLArray</span><span class="p">(</span><span class="n">hdf5extension</span><span class="o">.</span><span class="n">VLArray</span><span class="p">,</span> <span class="n">Leaf</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;This class represents variable length (ragged) arrays in an HDF5 file.</span>
 
 <span class="sd">    Instances of this class represent array objects in the object tree</span>
 <span class="sd">    with the property that their rows can have a *variable* number of</span>
@@ -302,17 +298,17 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 
     <span class="nd">@lazyattr</span>
     <span class="k">def</span> <span class="nf">dtype</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The NumPy ``dtype`` that most closely matches this array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The NumPy ``dtype`` that most closely matches this array.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">dtype</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">shape</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The shape of the stored array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The shape of the stored array.&quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,)</span>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">size_on_disk</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        The HDF5 library does not include a function to determine size_on_disk</span>
 <span class="sd">        for variable-length arrays.  Accessing this attribute will raise a</span>
 <span class="sd">        NotImplementedError.</span>
@@ -321,7 +317,7 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">size_in_memory</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        The size of this array&#39;s data in bytes when it is fully loaded</span>
 <span class="sd">        into memory.</span>
 
@@ -344,73 +340,73 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
                  <span class="n">_log</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">track_times</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The object version of this array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The object version of this array.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new</span> <span class="o">=</span> <span class="n">new</span> <span class="o">=</span> <span class="n">atom</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Is this the first time the node has been created?&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_title</span> <span class="o">=</span> <span class="n">title</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New title for this node.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_new_filters</span> <span class="o">=</span> <span class="n">filters</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;New filter properties for this array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;New filter properties for this array.&quot;&quot;&quot;</span>
 
         <span class="k">if</span> <span class="n">expectedrows</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="n">expectedrows</span> <span class="o">=</span> <span class="n">parentnode</span><span class="o">.</span><span class="n">_v_file</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s1">&#39;EXPECTED_ROWS_VLARRAY&#39;</span><span class="p">]</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_expectedrows</span> <span class="o">=</span> <span class="n">expectedrows</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The expected number of rows to be stored in the array.</span>
+        <span class="sd">&quot;&quot;&quot;The expected number of rows to be stored in the array.</span>
 
 <span class="sd">        .. versionadded:: 3.0</span>
 
 <span class="sd">        &quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_chunkshape</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private storage for the `chunkshape` property of Leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private storage for the `chunkshape` property of Leaf.&quot;&quot;&quot;</span>
 
         <span class="c1"># Miscellaneous iteration rubbish.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_start</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Starting row for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Starting row for the current iteration.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_stop</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Stopping row for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Stopping row for the current iteration.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_step</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Step size for the current iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Step size for the current iteration.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_nrowsread</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Number of rows read up to the current state of iteration.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Number of rows read up to the current state of iteration.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_startb</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Starting row for current buffer.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Starting row for current buffer.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_stopb</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Stopping row for current buffer. &quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Stopping row for current buffer. &quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_row</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Current row in iterators (sentinel).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Current row in iterators (sentinel).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_init</span> <span class="o">=</span> <span class="kc">False</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Whether we are in the middle of an iteration or not (sentinel).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Whether we are in the middle of an iteration or not (sentinel).&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">listarr</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Current buffer in iterators.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Current buffer in iterators.&quot;&quot;&quot;</span>
 
         <span class="c1"># Documented (*public*) attributes.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">atom</span> <span class="o">=</span> <span class="n">atom</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        An Atom (see :ref:`AtomClassDescr`) instance representing the</span>
 <span class="sd">        *type* and *shape* of the atomic objects to be saved. You may</span>
 <span class="sd">        use a *pseudo-atom* for storing a serialized object or</span>
 <span class="sd">        variable length string per row.</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrow</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;On iterators, this is the index of the current row.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;On iterators, this is the index of the current row.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">=</span> <span class="kc">None</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The current number of rows in the array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The current number of rows in the array.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">extdim</span> <span class="o">=</span> <span class="mi">0</span>   <span class="c1"># VLArray only have one dimension currently</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension (always 0 for vlarrays).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;The index of the enlargeable dimension (always 0 for vlarrays).&quot;&quot;&quot;</span>
 
         <span class="c1"># Check the chunkshape parameter</span>
         <span class="k">if</span> <span class="n">new</span> <span class="ow">and</span> <span class="n">chunkshape</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
@@ -436,7 +432,7 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 
     <span class="c1"># This is too specific for moving it into Leaf</span>
     <span class="k">def</span> <span class="nf">_calc_chunkshape</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">expectedrows</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Calculate the size for the HDF5 chunk.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Calculate the size for the HDF5 chunk.&quot;&quot;&quot;</span>
 
         <span class="c1"># For computing the chunkshape for HDF5 VL types, we have to</span>
         <span class="c1"># choose the itemsize of the *each* element of the atom and</span>
@@ -464,7 +460,7 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="n">SizeType</span><span class="p">(</span><span class="n">chunkshape</span><span class="p">),)</span>
 
     <span class="k">def</span> <span class="nf">_g_create</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Create a variable length array (ragged array).&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Create a variable length array (ragged array).&quot;&quot;&quot;</span>
 
         <span class="n">atom</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_version</span> <span class="o">=</span> <span class="n">obversion</span>
@@ -507,7 +503,7 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_objectid</span>
 
     <span class="k">def</span> <span class="nf">_g_open</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the metadata info for an array in file.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Get the metadata info for an array in file.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_v_objectid</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_chunkshape</span><span class="p">,</span> <span class="n">atom</span> <span class="o">=</span> \
             <span class="bp">self</span><span class="o">.</span><span class="n">_open_array</span><span class="p">()</span>
@@ -535,7 +531,7 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_objectid</span>
 
     <span class="k">def</span> <span class="nf">_getnobjects</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">nparr</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the number of objects in a NumPy array.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Return the number of objects in a NumPy array.&quot;&quot;&quot;</span>
 
         <span class="c1"># Check for zero dimensionality array</span>
         <span class="n">zerodims</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">nparr</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">)</span>
@@ -571,10 +567,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
                              <span class="s2">&quot;atom shape (&#39;</span><span class="si">%s</span><span class="s2">&#39;).&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">nparr</span><span class="p">,</span> <span class="n">shape</span><span class="p">,</span> <span class="n">atom_shape</span><span class="p">))</span>
         <span class="k">return</span> <span class="n">nobjects</span>
 
-<div class="viewcode-block" id="VLArray.get_enum">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.get_enum">[docs]</a>
-    <span class="k">def</span> <span class="nf">get_enum</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the enumerated type associated with this array.</span>
+<div class="viewcode-block" id="VLArray.get_enum"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.get_enum">[docs]</a>    <span class="k">def</span> <span class="nf">get_enum</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the enumerated type associated with this array.</span>
 
 <span class="sd">        If this array is of an enumerated type, the corresponding Enum instance</span>
 <span class="sd">        (see :ref:`EnumClassDescr`) is returned. If it is not of an enumerated</span>
@@ -588,11 +582,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="o">.</span><span class="n">enum</span></div>
 
-
-<div class="viewcode-block" id="VLArray.append">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.append">[docs]</a>
-    <span class="k">def</span> <span class="nf">append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sequence</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Add a sequence of data to the end of the dataset.</span>
+<div class="viewcode-block" id="VLArray.append"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.append">[docs]</a>    <span class="k">def</span> <span class="nf">append</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sequence</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Add a sequence of data to the end of the dataset.</span>
 
 <span class="sd">        This method appends the objects in the sequence to a *single row* in</span>
 <span class="sd">        this array. The type and shape of individual objects must be compliant</span>
@@ -629,11 +620,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_append</span><span class="p">(</span><span class="n">nparr</span><span class="p">,</span> <span class="n">nobjects</span><span class="p">)</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span> <span class="o">+=</span> <span class="mi">1</span></div>
 
-
-<div class="viewcode-block" id="VLArray.iterrows">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.iterrows">[docs]</a>
-    <span class="k">def</span> <span class="nf">iterrows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
+<div class="viewcode-block" id="VLArray.iterrows"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.iterrows">[docs]</a>    <span class="k">def</span> <span class="nf">iterrows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
 
 <span class="sd">        This method returns an iterator yielding an object of the current</span>
 <span class="sd">        flavor for each selected row in the array.</span>
@@ -663,11 +651,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_init_loop</span><span class="p">()</span>
         <span class="k">return</span> <span class="bp">self</span></div>
 
-
-<div class="viewcode-block" id="VLArray.__iter__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__iter__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
+<div class="viewcode-block" id="VLArray.__iter__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__iter__">[docs]</a>    <span class="k">def</span> <span class="fm">__iter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Iterate over the rows of the array.</span>
 
 <span class="sd">        This is equivalent to calling :meth:`VLArray.iterrows` with default</span>
 <span class="sd">        arguments, i.e. it iterates over *all the rows* in the array.</span>
@@ -695,9 +680,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="bp">self</span></div>
 
-
     <span class="k">def</span> <span class="nf">_init_loop</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Initialization for the __iter__ iterator.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Initialization for the __iter__ iterator.&quot;&quot;&quot;</span>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_nrowsread</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_start</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_startb</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_start</span>
@@ -705,10 +689,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_init</span> <span class="o">=</span> <span class="kc">True</span>  <span class="c1"># Sentinel</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">nrow</span> <span class="o">=</span> <span class="n">SizeType</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_start</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">_step</span><span class="p">)</span>    <span class="c1"># row number</span>
 
-<div class="viewcode-block" id="VLArray.__next__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__next__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__next__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get the next element of the array during an iteration.</span>
+<div class="viewcode-block" id="VLArray.__next__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__next__">[docs]</a>    <span class="k">def</span> <span class="fm">__next__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get the next element of the array during an iteration.</span>
 
 <span class="sd">        The element is returned as a list of objects of the current</span>
 <span class="sd">        flavor.</span>
@@ -730,11 +712,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
             <span class="bp">self</span><span class="o">.</span><span class="n">_nrowsread</span> <span class="o">+=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_step</span>
             <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">listarr</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_row</span><span class="p">]</span></div>
 
-
-<div class="viewcode-block" id="VLArray.__getitem__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__getitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get a row or a range of rows from the array.</span>
+<div class="viewcode-block" id="VLArray.__getitem__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__getitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__getitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get a row or a range of rows from the array.</span>
 
 <span class="sd">        If key argument is an integer, the corresponding array row is returned</span>
 <span class="sd">        as an object of the current flavor.  If key is a slice, the range of</span>
@@ -784,9 +763,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="k">else</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">IndexError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Invalid index or slice: </span><span class="si">{</span><span class="n">key</span><span class="si">!r}</span><span class="s2">&quot;</span><span class="p">)</span></div>
 
-
     <span class="k">def</span> <span class="nf">_assign_values</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">values</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Assign the `values` to the positions stated in `coords`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Assign the `values` to the positions stated in `coords`.&quot;&quot;&quot;</span>
 
         <span class="k">for</span> <span class="n">nrow</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="n">values</span><span class="p">):</span>
             <span class="k">if</span> <span class="n">nrow</span> <span class="o">&gt;=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="p">:</span>
@@ -826,10 +804,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
             <span class="k">if</span> <span class="n">nparr</span><span class="o">.</span><span class="n">size</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">:</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_modify</span><span class="p">(</span><span class="n">nrow</span><span class="p">,</span> <span class="n">nparr</span><span class="p">,</span> <span class="n">nobjects</span><span class="p">)</span>
 
-<div class="viewcode-block" id="VLArray.__setitem__">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__setitem__">[docs]</a>
-    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Set a row, or set of rows, in the array.</span>
+<div class="viewcode-block" id="VLArray.__setitem__"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.__setitem__">[docs]</a>    <span class="k">def</span> <span class="fm">__setitem__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Set a row, or set of rows, in the array.</span>
 
 <span class="sd">        It takes different actions depending on the type of the *key*</span>
 <span class="sd">        parameter: if it is an integer, the corresponding table row is</span>
@@ -892,12 +868,9 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="c1"># Do the assignment row by row</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">_assign_values</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span></div>
 
-
     <span class="c1"># Accessor for the _read_array method in superclass</span>
-<div class="viewcode-block" id="VLArray.read">
-<a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.read">[docs]</a>
-    <span class="k">def</span> <span class="nf">read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="mi">1</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Get data in the array as a list of objects of the current flavor.</span>
+<div class="viewcode-block" id="VLArray.read"><a class="viewcode-back" href="../../usersguide/libref/homogenous_storage.html#tables.VLArray.read">[docs]</a>    <span class="k">def</span> <span class="nf">read</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">start</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="mi">1</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Get data in the array as a list of objects of the current flavor.</span>
 
 <span class="sd">        Please note that, as the lengths of the different rows are variable,</span>
 <span class="sd">        the returned value is a *Python list* (not an array of the current</span>
@@ -929,9 +902,8 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
             <span class="n">outlistarr</span> <span class="o">=</span> <span class="p">[</span><span class="n">internal_to_flavor</span><span class="p">(</span><span class="n">arr</span><span class="p">,</span> <span class="n">flavor</span><span class="p">)</span> <span class="k">for</span> <span class="n">arr</span> <span class="ow">in</span> <span class="n">listarr</span><span class="p">]</span>
         <span class="k">return</span> <span class="n">outlistarr</span></div>
 
-
     <span class="k">def</span> <span class="nf">_read_coordinates</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Read rows specified in `coords`.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Read rows specified in `coords`.&quot;&quot;&quot;</span>
         <span class="n">rows</span> <span class="o">=</span> <span class="p">[]</span>
         <span class="k">for</span> <span class="n">coord</span> <span class="ow">in</span> <span class="n">coords</span><span class="p">:</span>
             <span class="n">rows</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">idx2long</span><span class="p">(</span><span class="n">coord</span><span class="p">),</span> <span class="n">idx2long</span><span class="p">(</span><span class="n">coord</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">)[</span><span class="mi">0</span><span class="p">])</span>
@@ -939,7 +911,7 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 
     <span class="k">def</span> <span class="nf">_g_copy_with_stats</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">group</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">stop</span><span class="p">,</span> <span class="n">step</span><span class="p">,</span>
                            <span class="n">title</span><span class="p">,</span> <span class="n">filters</span><span class="p">,</span> <span class="n">chunkshape</span><span class="p">,</span> <span class="n">_log</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;Private part of Leaf.copy() for each kind of leaf.&quot;&quot;&quot;</span>
 
         <span class="c1"># Build the new VLArray object</span>
         <span class="nb">object</span> <span class="o">=</span> <span class="n">VLArray</span><span class="p">(</span>
@@ -975,14 +947,13 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
         <span class="k">return</span> <span class="p">(</span><span class="nb">object</span><span class="p">,</span> <span class="n">nbytes</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="fm">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-<span class="w">        </span><span class="sd">&quot;&quot;&quot;This provides more metainfo in addition to standard __str__&quot;&quot;&quot;</span>
+        <span class="sd">&quot;&quot;&quot;This provides more metainfo in addition to standard __str__&quot;&quot;&quot;</span>
 
-        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">}</span>
-<span class="s2">  atom = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="si">!r}</span>
-<span class="s2">  byteorder = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="si">!r}</span>
-<span class="s2">  nrows = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="si">}</span>
+        <span class="k">return</span> <span class="sa">f</span><span class="s2">&quot;&quot;&quot;</span><span class="si">{</span><span class="bp">self</span><span class="si">}</span><span class="s2"></span>
+<span class="s2">  atom = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">atom</span><span class="si">!r}</span><span class="s2"></span>
+<span class="s2">  byteorder = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="si">!r}</span><span class="s2"></span>
+<span class="s2">  nrows = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">nrows</span><span class="si">}</span><span class="s2"></span>
 <span class="s2">  flavor = </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">flavor</span><span class="si">!r}</span><span class="s2">&quot;&quot;&quot;</span></div>
-
 </pre></div>
 
            </div>
diff --git a/_sources/release_notes.rst.txt b/_sources/release_notes.rst.txt
index 019d003..a66a506 100644
--- a/_sources/release_notes.rst.txt
+++ b/_sources/release_notes.rst.txt
@@ -66,7 +66,7 @@ Release timeline
 ----------------
 
 =============== =========== ==========
-PyTables        3.9.0       2023-10-04
+PyTables        3.9.0       2023-10-05
 PyTables        3.8.0       2022-12-23
 PyTables        3.7.0       2021-12-28
 PyTables        3.6.1       2019-10-28
diff --git a/_static/basic.css b/_static/basic.css
index 30fee9d..4e9a9f1 100644
--- a/_static/basic.css
+++ b/_static/basic.css
@@ -4,7 +4,7 @@
  *
  * Sphinx stylesheet -- basic theme.
  *
- * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
@@ -237,10 +237,6 @@ a.headerlink {
     visibility: hidden;
 }
 
-a:visited {
-    color: #551A8B;
-}
-
 h1:hover > a.headerlink,
 h2:hover > a.headerlink,
 h3:hover > a.headerlink,
@@ -328,7 +324,6 @@ aside.sidebar {
 p.sidebar-title {
     font-weight: bold;
 }
-
 nav.contents,
 aside.topic,
 div.admonition, div.topic, blockquote {
@@ -336,7 +331,6 @@ div.admonition, div.topic, blockquote {
 }
 
 /* -- topics ---------------------------------------------------------------- */
-
 nav.contents,
 aside.topic,
 div.topic {
@@ -612,7 +606,6 @@ ol.simple p,
 ul.simple p {
     margin-bottom: 0;
 }
-
 aside.footnote > span,
 div.citation > span {
     float: left;
@@ -674,16 +667,6 @@ dd {
     margin-left: 30px;
 }
 
-.sig dd {
-    margin-top: 0px;
-    margin-bottom: 0px;
-}
-
-.sig dl {
-    margin-top: 0px;
-    margin-bottom: 0px;
-}
-
 dl > dd:last-child,
 dl > dd:last-child > :last-child {
     margin-bottom: 0;
@@ -752,14 +735,6 @@ abbr, acronym {
     cursor: help;
 }
 
-.translated {
-    background-color: rgba(207, 255, 207, 0.2)
-}
-
-.untranslated {
-    background-color: rgba(255, 207, 207, 0.2)
-}
-
 /* -- code displays --------------------------------------------------------- */
 
 pre {
diff --git a/_static/css/badge_only.css b/_static/css/badge_only.css
index c718cee..e380325 100644
--- a/_static/css/badge_only.css
+++ b/_static/css/badge_only.css
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/_static/doctools.js b/_static/doctools.js
index d06a71d..c3db08d 100644
--- a/_static/doctools.js
+++ b/_static/doctools.js
@@ -4,19 +4,12 @@
  *
  * Base JavaScript utilities for all Sphinx HTML documentation.
  *
- * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
 "use strict";
 
-const BLACKLISTED_KEY_CONTROL_ELEMENTS = new Set([
-  "TEXTAREA",
-  "INPUT",
-  "SELECT",
-  "BUTTON",
-]);
-
 const _ready = (callback) => {
   if (document.readyState !== "loading") {
     callback();
@@ -25,11 +18,73 @@ const _ready = (callback) => {
   }
 };
 
+/**
+ * highlight a given string on a node by wrapping it in
+ * span elements with the given class name.
+ */
+const _highlight = (node, addItems, text, className) => {
+  if (node.nodeType === Node.TEXT_NODE) {
+    const val = node.nodeValue;
+    const parent = node.parentNode;
+    const pos = val.toLowerCase().indexOf(text);
+    if (
+      pos >= 0 &&
+      !parent.classList.contains(className) &&
+      !parent.classList.contains("nohighlight")
+    ) {
+      let span;
+
+      const closestNode = parent.closest("body, svg, foreignObject");
+      const isInSVG = closestNode && closestNode.matches("svg");
+      if (isInSVG) {
+        span = document.createElementNS("http://www.w3.org/2000/svg", "tspan");
+      } else {
+        span = document.createElement("span");
+        span.classList.add(className);
+      }
+
+      span.appendChild(document.createTextNode(val.substr(pos, text.length)));
+      parent.insertBefore(
+        span,
+        parent.insertBefore(
+          document.createTextNode(val.substr(pos + text.length)),
+          node.nextSibling
+        )
+      );
+      node.nodeValue = val.substr(0, pos);
+
+      if (isInSVG) {
+        const rect = document.createElementNS(
+          "http://www.w3.org/2000/svg",
+          "rect"
+        );
+        const bbox = parent.getBBox();
+        rect.x.baseVal.value = bbox.x;
+        rect.y.baseVal.value = bbox.y;
+        rect.width.baseVal.value = bbox.width;
+        rect.height.baseVal.value = bbox.height;
+        rect.setAttribute("class", className);
+        addItems.push({ parent: parent, target: rect });
+      }
+    }
+  } else if (node.matches && !node.matches("button, select, textarea")) {
+    node.childNodes.forEach((el) => _highlight(el, addItems, text, className));
+  }
+};
+const _highlightText = (thisNode, text, className) => {
+  let addItems = [];
+  _highlight(thisNode, addItems, text, className);
+  addItems.forEach((obj) =>
+    obj.parent.insertAdjacentElement("beforebegin", obj.target)
+  );
+};
+
 /**
  * Small JavaScript module for the documentation.
  */
 const Documentation = {
   init: () => {
+    Documentation.highlightSearchWords();
     Documentation.initDomainIndexTable();
     Documentation.initOnKeyListeners();
   },
@@ -71,6 +126,51 @@ const Documentation = {
     Documentation.LOCALE = catalog.locale;
   },
 
+  /**
+   * highlight the search words provided in the url in the text
+   */
+  highlightSearchWords: () => {
+    const highlight =
+      new URLSearchParams(window.location.search).get("highlight") || "";
+    const terms = highlight.toLowerCase().split(/\s+/).filter(x => x);
+    if (terms.length === 0) return; // nothing to do
+
+    // There should never be more than one element matching "div.body"
+    const divBody = document.querySelectorAll("div.body");
+    const body = divBody.length ? divBody[0] : document.querySelector("body");
+    window.setTimeout(() => {
+      terms.forEach((term) => _highlightText(body, term, "highlighted"));
+    }, 10);
+
+    const searchBox = document.getElementById("searchbox");
+    if (searchBox === null) return;
+    searchBox.appendChild(
+      document
+        .createRange()
+        .createContextualFragment(
+          '<p class="highlight-link">' +
+            '<a href="javascript:Documentation.hideSearchWords()">' +
+            Documentation.gettext("Hide Search Matches") +
+            "</a></p>"
+        )
+    );
+  },
+
+  /**
+   * helper function to hide the search marks again
+   */
+  hideSearchWords: () => {
+    document
+      .querySelectorAll("#searchbox .highlight-link")
+      .forEach((el) => el.remove());
+    document
+      .querySelectorAll("span.highlighted")
+      .forEach((el) => el.classList.remove("highlighted"));
+    const url = new URL(window.location);
+    url.searchParams.delete("highlight");
+    window.history.replaceState({}, "", url);
+  },
+
   /**
    * helper function to focus on search bar
    */
@@ -110,11 +210,15 @@ const Documentation = {
     )
       return;
 
+    const blacklistedElements = new Set([
+      "TEXTAREA",
+      "INPUT",
+      "SELECT",
+      "BUTTON",
+    ]);
     document.addEventListener("keydown", (event) => {
-      // bail for input elements
-      if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return;
-      // bail with special keys
-      if (event.altKey || event.ctrlKey || event.metaKey) return;
+      if (blacklistedElements.has(document.activeElement.tagName)) return; // bail for input elements
+      if (event.altKey || event.ctrlKey || event.metaKey) return; // bail with special keys
 
       if (!event.shiftKey) {
         switch (event.key) {
@@ -136,6 +240,10 @@ const Documentation = {
               event.preventDefault();
             }
             break;
+          case "Escape":
+            if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) break;
+            Documentation.hideSearchWords();
+            event.preventDefault();
         }
       }
 
diff --git a/_static/documentation_options.js b/_static/documentation_options.js
index a040b31..bbc5334 100644
--- a/_static/documentation_options.js
+++ b/_static/documentation_options.js
@@ -1,4 +1,5 @@
-const DOCUMENTATION_OPTIONS = {
+var DOCUMENTATION_OPTIONS = {
+    URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
     VERSION: '3.9.0',
     LANGUAGE: 'en',
     COLLAPSE_INDEX: false,
diff --git a/_static/graphviz.css b/_static/graphviz.css
index 8d81c02..19e7afd 100644
--- a/_static/graphviz.css
+++ b/_static/graphviz.css
@@ -4,7 +4,7 @@
  *
  * Sphinx stylesheet -- graphviz extension.
  *
- * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
diff --git a/_static/language_data.js b/_static/language_data.js
index 250f566..2e22b06 100644
--- a/_static/language_data.js
+++ b/_static/language_data.js
@@ -5,7 +5,7 @@
  * This script contains the language-specific data used by searchtools.js,
  * namely the list of stopwords, stemmer, scorer and splitter.
  *
- * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
diff --git a/_static/pygments.css b/_static/pygments.css
index 0d49244..691aeb8 100644
--- a/_static/pygments.css
+++ b/_static/pygments.css
@@ -17,7 +17,6 @@ span.linenos.special { color: #000000; background-color: #ffffc0; padding-left:
 .highlight .cs { color: #408090; background-color: #fff0f0 } /* Comment.Special */
 .highlight .gd { color: #A00000 } /* Generic.Deleted */
 .highlight .ge { font-style: italic } /* Generic.Emph */
-.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
 .highlight .gr { color: #FF0000 } /* Generic.Error */
 .highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
 .highlight .gi { color: #00A000 } /* Generic.Inserted */
diff --git a/_static/searchtools.js b/_static/searchtools.js
index 7918c3f..f2fb7d5 100644
--- a/_static/searchtools.js
+++ b/_static/searchtools.js
@@ -4,7 +4,7 @@
  *
  * Sphinx JavaScript utilities for the full-text search.
  *
- * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
@@ -57,14 +57,14 @@ const _removeChildren = (element) => {
 const _escapeRegExp = (string) =>
   string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string
 
-const _displayItem = (item, searchTerms, highlightTerms) => {
+const _displayItem = (item, highlightTerms, searchTerms) => {
   const docBuilder = DOCUMENTATION_OPTIONS.BUILDER;
+  const docUrlRoot = DOCUMENTATION_OPTIONS.URL_ROOT;
   const docFileSuffix = DOCUMENTATION_OPTIONS.FILE_SUFFIX;
   const docLinkSuffix = DOCUMENTATION_OPTIONS.LINK_SUFFIX;
   const showSearchSummary = DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY;
-  const contentRoot = document.documentElement.dataset.content_root;
 
-  const [docName, title, anchor, descr, score, _filename] = item;
+  const [docName, title, anchor, descr] = item;
 
   let listItem = document.createElement("li");
   let requestUrl;
@@ -75,35 +75,29 @@ const _displayItem = (item, searchTerms, highlightTerms) => {
     if (dirname.match(/\/index\/$/))
       dirname = dirname.substring(0, dirname.length - 6);
     else if (dirname === "index/") dirname = "";
-    requestUrl = contentRoot + dirname;
+    requestUrl = docUrlRoot + dirname;
     linkUrl = requestUrl;
   } else {
     // normal html builders
-    requestUrl = contentRoot + docName + docFileSuffix;
+    requestUrl = docUrlRoot + docName + docFileSuffix;
     linkUrl = docName + docLinkSuffix;
   }
+  const params = new URLSearchParams();
+  params.set("highlight", [...highlightTerms].join(" "));
   let linkEl = listItem.appendChild(document.createElement("a"));
-  linkEl.href = linkUrl + anchor;
-  linkEl.dataset.score = score;
+  linkEl.href = linkUrl + "?" + params.toString() + anchor;
   linkEl.innerHTML = title;
-  if (descr) {
+  if (descr)
     listItem.appendChild(document.createElement("span")).innerHTML =
       " (" + descr + ")";
-    // highlight search terms in the description
-    if (SPHINX_HIGHLIGHT_ENABLED)  // set in sphinx_highlight.js
-      highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted"));
-  }
   else if (showSearchSummary)
     fetch(requestUrl)
       .then((responseData) => responseData.text())
       .then((data) => {
         if (data)
           listItem.appendChild(
-            Search.makeSearchSummary(data, searchTerms)
+            Search.makeSearchSummary(data, searchTerms, highlightTerms)
           );
-        // highlight search terms in the summary
-        if (SPHINX_HIGHLIGHT_ENABLED)  // set in sphinx_highlight.js
-          highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted"));
       });
   Search.output.appendChild(listItem);
 };
@@ -122,15 +116,15 @@ const _finishSearch = (resultCount) => {
 const _displayNextItem = (
   results,
   resultCount,
-  searchTerms,
   highlightTerms,
+  searchTerms
 ) => {
   // results left, load the summary and display it
   // this is intended to be dynamic (don't sub resultsCount)
   if (results.length) {
-    _displayItem(results.pop(), searchTerms, highlightTerms);
+    _displayItem(results.pop(), highlightTerms, searchTerms);
     setTimeout(
-      () => _displayNextItem(results, resultCount, searchTerms, highlightTerms),
+      () => _displayNextItem(results, resultCount, highlightTerms, searchTerms),
       5
     );
   }
@@ -243,12 +237,6 @@ const Search = {
    * execute search (requires search index to be loaded)
    */
   query: (query) => {
-    const filenames = Search._index.filenames;
-    const docNames = Search._index.docnames;
-    const titles = Search._index.titles;
-    const allTitles = Search._index.alltitles;
-    const indexEntries = Search._index.indexentries;
-
     // stem the search terms and add them to the correct list
     const stemmer = new Stemmer();
     const searchTerms = new Set();
@@ -276,10 +264,6 @@ const Search = {
       }
     });
 
-    if (SPHINX_HIGHLIGHT_ENABLED) {  // set in sphinx_highlight.js
-      localStorage.setItem("sphinx_highlight_terms", [...highlightTerms].join(" "))
-    }
-
     // console.debug("SEARCH: searching for:");
     // console.info("required: ", [...searchTerms]);
     // console.info("excluded: ", [...excludedTerms]);
@@ -288,40 +272,6 @@ const Search = {
     let results = [];
     _removeChildren(document.getElementById("search-progress"));
 
-    const queryLower = query.toLowerCase();
-    for (const [title, foundTitles] of Object.entries(allTitles)) {
-      if (title.toLowerCase().includes(queryLower) && (queryLower.length >= title.length/2)) {
-        for (const [file, id] of foundTitles) {
-          let score = Math.round(100 * queryLower.length / title.length)
-          results.push([
-            docNames[file],
-            titles[file] !== title ? `${titles[file]} > ${title}` : title,
-            id !== null ? "#" + id : "",
-            null,
-            score,
-            filenames[file],
-          ]);
-        }
-      }
-    }
-
-    // search for explicit entries in index directives
-    for (const [entry, foundEntries] of Object.entries(indexEntries)) {
-      if (entry.includes(queryLower) && (queryLower.length >= entry.length/2)) {
-        for (const [file, id] of foundEntries) {
-          let score = Math.round(100 * queryLower.length / entry.length)
-          results.push([
-            docNames[file],
-            titles[file],
-            id ? "#" + id : "",
-            null,
-            score,
-            filenames[file],
-          ]);
-        }
-      }
-    }
-
     // lookup as object
     objectTerms.forEach((term) =>
       results.push(...Search.performObjectSearch(term, objectTerms))
@@ -368,7 +318,7 @@ const Search = {
     // console.info("search results:", Search.lastresults);
 
     // print the results
-    _displayNextItem(results, results.length, searchTerms, highlightTerms);
+    _displayNextItem(results, results.length, highlightTerms, searchTerms);
   },
 
   /**
@@ -449,8 +399,8 @@ const Search = {
     // prepare search
     const terms = Search._index.terms;
     const titleTerms = Search._index.titleterms;
-    const filenames = Search._index.filenames;
     const docNames = Search._index.docnames;
+    const filenames = Search._index.filenames;
     const titles = Search._index.titles;
 
     const scoreMap = new Map();
@@ -547,9 +497,11 @@ const Search = {
   /**
    * helper function to return a node containing the
    * search summary for a given text. keywords is a list
-   * of stemmed words.
+   * of stemmed words, highlightWords is the list of normal, unstemmed
+   * words. the first one is used to find the occurrence, the
+   * latter for highlighting it.
    */
-  makeSearchSummary: (htmlText, keywords) => {
+  makeSearchSummary: (htmlText, keywords, highlightWords) => {
     const text = Search.htmlToText(htmlText);
     if (text === "") return null;
 
@@ -567,6 +519,10 @@ const Search = {
     summary.classList.add("context");
     summary.textContent = top + text.substr(startWithContext, 240).trim() + tail;
 
+    highlightWords.forEach((highlightWord) =>
+      _highlightText(summary, highlightWord, "highlighted")
+    );
+
     return summary;
   },
 };
diff --git a/cookbook/custom_data_types.html b/cookbook/custom_data_types.html
index ea12a87..611278c 100644
--- a/cookbook/custom_data_types.html
+++ b/cookbook/custom_data_types.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Using your own custom data types &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -96,9 +94,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">Using your own custom data types</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>Using your own custom data types</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/custom_data_types.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -109,7 +107,7 @@
            <div itemprop="articleBody">
              
   <section id="using-your-own-custom-data-types">
-<h1>Using your own custom data types<a class="headerlink" href="#using-your-own-custom-data-types" title="Link to this heading">¶</a></h1>
+<h1>Using your own custom data types<a class="headerlink" href="#using-your-own-custom-data-types" title="Permalink to this heading">¶</a></h1>
 <p>You can make your own data types by subclassing Table (or other PyTables types,
 such as <a class="reference internal" href="../usersguide/libref/hierarchy_classes.html#tables.Leaf" title="tables.Leaf"><code class="xref py py-class docutils literal notranslate"><span class="pre">tables.Leaf</span></code></a>).
 This can be useful for storing a specialized type of data or presenting a
diff --git a/cookbook/hints_for_sql_users.html b/cookbook/hints_for_sql_users.html
index 1f70c10..360029b 100644
--- a/cookbook/hints_for_sql_users.html
+++ b/cookbook/hints_for_sql_users.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Hints for SQL users &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -112,9 +110,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">Hints for SQL users</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>Hints for SQL users</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/hints_for_sql_users.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -125,7 +123,7 @@
            <div itemprop="articleBody">
              
   <section id="hints-for-sql-users">
-<h1>Hints for SQL users<a class="headerlink" href="#hints-for-sql-users" title="Link to this heading">¶</a></h1>
+<h1>Hints for SQL users<a class="headerlink" href="#hints-for-sql-users" title="Permalink to this heading">¶</a></h1>
 <p>This page is intended to be <strong>a guide to new PyTables for users who are used
 to writing SQL code</strong> to access their relational databases.
 It will cover the most usual SQL statements.
@@ -143,7 +141,7 @@ <h1>Hints for SQL users<a class="headerlink" href="#hints-for-sql-users" title="
 </pre></div>
 </div>
 <section id="creating-a-new-database">
-<h2>Creating a new database<a class="headerlink" href="#creating-a-new-database" title="Link to this heading">¶</a></h2>
+<h2>Creating a new database<a class="headerlink" href="#creating-a-new-database" title="Permalink to this heading">¶</a></h2>
 <p>RDBMs happen to have several syntaxes for creating a database.
 A usual syntax is:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">CREATE</span> <span class="n">DATABASE</span> <span class="n">database_name</span>
@@ -174,7 +172,7 @@ <h2>Creating a new database<a class="headerlink" href="#creating-a-new-database"
 <p>You may use several PyTables databases simultaneously in a program, so you
 must be explicit on which database you want to act upon (by using its handle).</p>
 <section id="a-note-on-concurrency-under-pytables">
-<h3>A note on concurrency under PyTables<a class="headerlink" href="#a-note-on-concurrency-under-pytables" title="Link to this heading">¶</a></h3>
+<h3>A note on concurrency under PyTables<a class="headerlink" href="#a-note-on-concurrency-under-pytables" title="Permalink to this heading">¶</a></h3>
 <p>Unlike most RDBMs, PyTables is not intended to serve concurrent accesses to a
 database.
 It has no protections whatsoever against corruption for different (or even the
@@ -183,7 +181,7 @@ <h3>A note on concurrency under PyTables<a class="headerlink" href="#a-note-on-c
 </section>
 </section>
 <section id="creating-a-table">
-<h2>Creating a table<a class="headerlink" href="#creating-a-table" title="Link to this heading">¶</a></h2>
+<h2>Creating a table<a class="headerlink" href="#creating-a-table" title="Permalink to this heading">¶</a></h2>
 <p>PyTables supports some other <em>datasets</em> besides tables, and they’re not
 arranged in a flat namespace, but rather into a <em>hierarchical</em> one (see an
 introduction to the _ref:<cite>object tree &lt;ObjectTreeSection&gt;</cite>);
@@ -199,7 +197,7 @@ <h2>Creating a table<a class="headerlink" href="#creating-a-table" title="Link t
 </pre></div>
 </div>
 <section id="table-descriptions">
-<h3>Table descriptions<a class="headerlink" href="#table-descriptions" title="Link to this heading">¶</a></h3>
+<h3>Table descriptions<a class="headerlink" href="#table-descriptions" title="Permalink to this heading">¶</a></h3>
 <p>In PyTables, one first <em>describes</em> the structure of a table.
 PyTables allows you to <em>reuse a description</em> for creating several tables with
 the same structure, just by using the description object (<code class="docutils literal notranslate"><span class="pre">description_name</span></code>
@@ -234,7 +232,7 @@ <h3>Table descriptions<a class="headerlink" href="#table-descriptions" title="Li
 foreign keys, so relationships between tables are left to the user.</p>
 </section>
 <section id="column-type-declarations">
-<h3>Column type declarations<a class="headerlink" href="#column-type-declarations" title="Link to this heading">¶</a></h3>
+<h3>Column type declarations<a class="headerlink" href="#column-type-declarations" title="Permalink to this heading">¶</a></h3>
 <p>PyTables supports lots of types (including nested and multidimensional
 columns).
 Non-nested columns are declared through instances of <a class="reference internal" href="../usersguide/libref/declarative_classes.html#tables.Col" title="tables.Col"><code class="xref py py-class docutils literal notranslate"><span class="pre">tables.Col</span></code></a>
@@ -287,7 +285,7 @@ <h3>Column type declarations<a class="headerlink" href="#column-type-declaration
 </section>
 </section>
 <section id="using-a-description">
-<h2>Using a description<a class="headerlink" href="#using-a-description" title="Link to this heading">¶</a></h2>
+<h2>Using a description<a class="headerlink" href="#using-a-description" title="Permalink to this heading">¶</a></h2>
 <p>Once you have a table description <code class="docutils literal notranslate"><span class="pre">description_name</span></code> and a writeable file
 handle <code class="docutils literal notranslate"><span class="pre">h5f</span></code>, creating a table with that description is as easy as:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">tbl</span> <span class="o">=</span> <span class="n">h5f</span><span class="o">.</span><span class="n">create_table</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">,</span> <span class="s1">&#39;table_name&#39;</span><span class="p">,</span> <span class="n">description_name</span><span class="p">)</span>
@@ -314,7 +312,7 @@ <h2>Using a description<a class="headerlink" href="#using-a-description" title="
 accessing the <code class="docutils literal notranslate"><span class="pre">description</span></code> attribute of its handle.</p>
 </section>
 <section id="creating-an-index">
-<h2>Creating an index<a class="headerlink" href="#creating-an-index" title="Link to this heading">¶</a></h2>
+<h2>Creating an index<a class="headerlink" href="#creating-an-index" title="Permalink to this heading">¶</a></h2>
 <p>RDBMs use to allow named indexes on any set of columns (or all of them) in a
 table, using a syntax like:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">CREATE</span> <span class="n">INDEX</span> <span class="n">index_name</span>
@@ -340,7 +338,7 @@ <h2>Creating an index<a class="headerlink" href="#creating-an-index" title="Link
 </div>
 </section>
 <section id="altering-a-table">
-<h2>Altering a table<a class="headerlink" href="#altering-a-table" title="Link to this heading">¶</a></h2>
+<h2>Altering a table<a class="headerlink" href="#altering-a-table" title="Permalink to this heading">¶</a></h2>
 <p>The first case of table alteration is renaming:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">ALTER</span> <span class="n">TABLE</span> <span class="n">old_name</span> <span class="n">RENAME</span> <span class="n">TO</span> <span class="n">new_name</span>
 </pre></div>
@@ -358,7 +356,7 @@ <h2>Altering a table<a class="headerlink" href="#altering-a-table" title="Link t
 PyTables.</p>
 </section>
 <section id="dropping-a-table">
-<h2>Dropping a table<a class="headerlink" href="#dropping-a-table" title="Link to this heading">¶</a></h2>
+<h2>Dropping a table<a class="headerlink" href="#dropping-a-table" title="Permalink to this heading">¶</a></h2>
 <p>In SQL you can remove a table using:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">DROP</span> <span class="n">TABLE</span> <span class="n">table_name</span>
 </pre></div>
@@ -375,7 +373,7 @@ <h2>Dropping a table<a class="headerlink" href="#dropping-a-table" title="Link t
 <p>When you remove a table, its associated indexes are automatically removed.</p>
 </section>
 <section id="inserting-data">
-<h2>Inserting data<a class="headerlink" href="#inserting-data" title="Link to this heading">¶</a></h2>
+<h2>Inserting data<a class="headerlink" href="#inserting-data" title="Permalink to this heading">¶</a></h2>
 <p>In SQL you can insert data one row at a time (fetching from a selection will
 be covered later) using a syntax like:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">INSERT</span> <span class="n">INTO</span> <span class="n">table_name</span> <span class="p">(</span><span class="n">column_name1</span><span class="p">,</span> <span class="n">column_name2</span><span class="o">...</span><span class="p">)</span>
@@ -426,7 +424,7 @@ <h2>Inserting data<a class="headerlink" href="#inserting-data" title="Link to th
 </pre></div>
 </div>
 <section id="a-note-on-transactions">
-<h3>A note on transactions<a class="headerlink" href="#a-note-on-transactions" title="Link to this heading">¶</a></h3>
+<h3>A note on transactions<a class="headerlink" href="#a-note-on-transactions" title="Permalink to this heading">¶</a></h3>
 <p>PyTables doesn’t support transactions nor checkpointing or rolling back (there
 is undo support for operations performed on the object tree, but this is
 unrelated).
@@ -444,7 +442,7 @@ <h3>A note on transactions<a class="headerlink" href="#a-note-on-transactions" t
 </section>
 </section>
 <section id="updating-data">
-<h2>Updating data<a class="headerlink" href="#updating-data" title="Link to this heading">¶</a></h2>
+<h2>Updating data<a class="headerlink" href="#updating-data" title="Permalink to this heading">¶</a></h2>
 <p>We’re now looking for alternatives to the SQL <code class="docutils literal notranslate"><span class="pre">UPDATE</span></code> statement:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">UPDATE</span> <span class="n">table_name</span>
 <span class="n">SET</span> <span class="n">column_name1</span> <span class="o">=</span> <span class="n">expression1</span><span class="p">,</span> <span class="n">column_name2</span> <span class="o">=</span> <span class="n">expression2</span><span class="o">...</span>
@@ -524,7 +522,7 @@ <h2>Updating data<a class="headerlink" href="#updating-data" title="Link to this
 <code class="docutils literal notranslate"><span class="pre">flush()</span></code> the table when you’re done.</p>
 </section>
 <section id="deleting-data">
-<h2>Deleting data<a class="headerlink" href="#deleting-data" title="Link to this heading">¶</a></h2>
+<h2>Deleting data<a class="headerlink" href="#deleting-data" title="Permalink to this heading">¶</a></h2>
 <p>Rows are deleted from a table with the following SQL syntax:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">DELETE</span> <span class="n">FROM</span> <span class="n">table_name</span>
 <span class="p">[</span><span class="n">WHERE</span> <span class="n">condition</span><span class="p">]</span>
@@ -546,7 +544,7 @@ <h2>Deleting data<a class="headerlink" href="#deleting-data" title="Link to this
 </div>
 </section>
 <section id="reading-data">
-<h2>Reading data<a class="headerlink" href="#reading-data" title="Link to this heading">¶</a></h2>
+<h2>Reading data<a class="headerlink" href="#reading-data" title="Permalink to this heading">¶</a></h2>
 <p>The most basic syntax in SQL for reading rows in a table without using a
 condition is:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">SELECT</span> <span class="p">(</span><span class="n">column_name1</span><span class="p">,</span> <span class="n">column_name2</span><span class="o">...</span> <span class="o">|</span> <span class="o">*</span><span class="p">)</span> <span class="n">FROM</span> <span class="n">table_name</span>
@@ -561,7 +559,7 @@ <h2>Reading data<a class="headerlink" href="#reading-data" title="Link to this h
 we’ll be including here the cases where you want to read a <strong>known</strong> <em>slice</em>
 or <em>sequence</em> of rows, besides the case of reading <em>all</em> rows.</p>
 <section id="iterating-over-rows">
-<h3>Iterating over rows<a class="headerlink" href="#iterating-over-rows" title="Link to this heading">¶</a></h3>
+<h3>Iterating over rows<a class="headerlink" href="#iterating-over-rows" title="Permalink to this heading">¶</a></h3>
 <p>This is similar to using the <code class="docutils literal notranslate"><span class="pre">fetchone()</span></code> method of a DB <code class="docutils literal notranslate"><span class="pre">cursor</span></code> in a
 <a class="reference external" href="http://www.python.org/dev/peps/pep-0249">Python DBAPI</a> <a class="footnote-reference brackets" href="#id14" id="id15" role="doc-noteref"><span class="fn-bracket">[</span>6<span class="fn-bracket">]</span></a>-compliant package, i.e. you <em>iterate</em> over the list of wanted
 rows, getting one <em>row handle</em> at a time.
@@ -595,7 +593,7 @@ <h3>Iterating over rows<a class="headerlink" href="#iterating-over-rows" title="
 </div>
 </section>
 <section id="reading-rows-at-once">
-<h3>Reading rows at once<a class="headerlink" href="#reading-rows-at-once" title="Link to this heading">¶</a></h3>
+<h3>Reading rows at once<a class="headerlink" href="#reading-rows-at-once" title="Permalink to this heading">¶</a></h3>
 <p>In contrast with iteration, you can fetch all desired rows into a single
 <em>container</em> in memory (usually an efficient <a class="reference external" href="http://www.numpy.org">NumPy</a> <a class="footnote-reference brackets" href="#id11" id="id13" role="doc-noteref"><span class="fn-bracket">[</span>5<span class="fn-bracket">]</span></a> record-array) in a single
 operation, like the <code class="docutils literal notranslate"><span class="pre">fetchall()</span></code> or <code class="docutils literal notranslate"><span class="pre">fetchmany()</span></code> methods of a DBAPI <code class="docutils literal notranslate"><span class="pre">cursor</span></code>.
@@ -629,7 +627,7 @@ <h3>Reading rows at once<a class="headerlink" href="#reading-rows-at-once" title
 </section>
 </section>
 <section id="selecting-data">
-<h2>Selecting data<a class="headerlink" href="#selecting-data" title="Link to this heading">¶</a></h2>
+<h2>Selecting data<a class="headerlink" href="#selecting-data" title="Permalink to this heading">¶</a></h2>
 <p>When you want to read a subset of rows which match a given condition from a
 table you use a syntax like this in SQL:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">SELECT</span> <span class="n">column_specification</span> <span class="n">FROM</span> <span class="n">table_name</span>
@@ -664,7 +662,7 @@ <h2>Selecting data<a class="headerlink" href="#selecting-data" title="Link to th
 in the <a class="reference internal" href="../usersguide/condition_syntax.html#condition-syntax"><span class="std std-ref">appendix on condition syntax</span></a> in the
 <a class="reference external" href="https://www.pytables.org/usersguide">User’s Guide</a> <a class="footnote-reference brackets" href="#id3" id="id5" role="doc-noteref"><span class="fn-bracket">[</span>2<span class="fn-bracket">]</span></a>.</p>
 <section id="iterating-over-selected-rows">
-<h3>Iterating over selected rows<a class="headerlink" href="#iterating-over-selected-rows" title="Link to this heading">¶</a></h3>
+<h3>Iterating over selected rows<a class="headerlink" href="#iterating-over-selected-rows" title="Permalink to this heading">¶</a></h3>
 <p>You can iterate over the rows in a table which fulfill a condition (a la DBAPI
 <code class="docutils literal notranslate"><span class="pre">fetchone()</span></code>) by using the <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.where" title="tables.Table.where"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tables.Table.where()</span></code></a> method, which is very
 similar to the <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.iterrows" title="tables.Table.iterrows"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tables.Table.iterrows()</span></code></a> one discussed above, and which
@@ -677,7 +675,7 @@ <h3>Iterating over selected rows<a class="headerlink" href="#iterating-over-sele
 </div>
 </section>
 <section id="reading-selected-rows-at-once">
-<h3>Reading selected rows at once<a class="headerlink" href="#reading-selected-rows-at-once" title="Link to this heading">¶</a></h3>
+<h3>Reading selected rows at once<a class="headerlink" href="#reading-selected-rows-at-once" title="Permalink to this heading">¶</a></h3>
 <p>Like the aforementioned <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.read" title="tables.Table.read"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tables.Table.read()</span></code></a>,
 <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.read_where" title="tables.Table.read_where"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tables.Table.read_where()</span></code></a> gets all the rows fulfilling the given
 condition and packs them in a single container (a la DBAPI <code class="docutils literal notranslate"><span class="pre">fetchmany()</span></code>).
@@ -692,7 +690,7 @@ <h3>Reading selected rows at once<a class="headerlink" href="#reading-selected-r
 <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.read_where" title="tables.Table.read_where"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tables.Table.read_where()</span></code></a> can also take slicing arguments.</p>
 </section>
 <section id="getting-the-coordinates-of-selected-rows">
-<h3>Getting the coordinates of selected rows<a class="headerlink" href="#getting-the-coordinates-of-selected-rows" title="Link to this heading">¶</a></h3>
+<h3>Getting the coordinates of selected rows<a class="headerlink" href="#getting-the-coordinates-of-selected-rows" title="Permalink to this heading">¶</a></h3>
 <p>There is yet another method for querying tables:
 <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.get_where_list" title="tables.Table.get_where_list"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tables.Table.get_where_list()</span></code></a>.
 It returns just a sequence of the numbers of the rows which fulfil the given
@@ -702,7 +700,7 @@ <h3>Getting the coordinates of selected rows<a class="headerlink" href="#getting
 queried one refer to the same first-class object or entity.</p>
 </section>
 <section id="a-note-on-table-joins">
-<h3>A note on table joins<a class="headerlink" href="#a-note-on-table-joins" title="Link to this heading">¶</a></h3>
+<h3>A note on table joins<a class="headerlink" href="#a-note-on-table-joins" title="Permalink to this heading">¶</a></h3>
 <p>You may have noticed that queries in PyTables only cover one table.
 In fact, there is no way of directly performing a join between two tables in
 PyTables (remember that it’s not a relational database).
@@ -752,7 +750,7 @@ <h3>A note on table joins<a class="headerlink" href="#a-note-on-table-joins" tit
 </section>
 </section>
 <section id="summary-of-row-selection-methods">
-<h2>Summary of row selection methods<a class="headerlink" href="#summary-of-row-selection-methods" title="Link to this heading">¶</a></h2>
+<h2>Summary of row selection methods<a class="headerlink" href="#summary-of-row-selection-methods" title="Permalink to this heading">¶</a></h2>
 <table class="docutils align-default">
 <tbody>
 <tr class="row-odd"><td></td>
@@ -780,11 +778,11 @@ <h2>Summary of row selection methods<a class="headerlink" href="#summary-of-row-
 </table>
 </section>
 <section id="sorting-the-results-of-a-selection">
-<h2>Sorting the results of a selection<a class="headerlink" href="#sorting-the-results-of-a-selection" title="Link to this heading">¶</a></h2>
+<h2>Sorting the results of a selection<a class="headerlink" href="#sorting-the-results-of-a-selection" title="Permalink to this heading">¶</a></h2>
 <p><em>Do you feel like writing this section? Your contribution is welcome!</em></p>
 </section>
 <section id="grouping-the-results-of-a-selection">
-<h2>Grouping the results of a selection<a class="headerlink" href="#grouping-the-results-of-a-selection" title="Link to this heading">¶</a></h2>
+<h2>Grouping the results of a selection<a class="headerlink" href="#grouping-the-results-of-a-selection" title="Permalink to this heading">¶</a></h2>
 <p>By making use of the <code class="xref py py-func docutils literal notranslate"><span class="pre">itertools.groupby()</span></code> utility, you can group results
 by field:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">group</span> <span class="o">=</span> <span class="p">{}</span> <span class="c1"># dictionary to put results grouped by &#39;pressure&#39;</span>
diff --git a/cookbook/index.html b/cookbook/index.html
index bc71963..cc4d034 100644
--- a/cookbook/index.html
+++ b/cookbook/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables Cookbook &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -96,8 +94,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">PyTables Cookbook</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>PyTables Cookbook</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/index.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -108,9 +106,9 @@
            <div itemprop="articleBody">
              
   <section id="pytables-cookbook">
-<h1>PyTables Cookbook<a class="headerlink" href="#pytables-cookbook" title="Link to this heading">¶</a></h1>
+<h1>PyTables Cookbook<a class="headerlink" href="#pytables-cookbook" title="Permalink to this heading">¶</a></h1>
 <section id="contents">
-<h2>Contents<a class="headerlink" href="#contents" title="Link to this heading">¶</a></h2>
+<h2>Contents<a class="headerlink" href="#contents" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="hints_for_sql_users.html">Hints for SQL users</a></li>
diff --git a/cookbook/inmemory_hdf5_files.html b/cookbook/inmemory_hdf5_files.html
index 40dba36..157adfc 100644
--- a/cookbook/inmemory_hdf5_files.html
+++ b/cookbook/inmemory_hdf5_files.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>In-memory HDF5 files &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -102,9 +100,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">In-memory HDF5 files</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>In-memory HDF5 files</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/inmemory_hdf5_files.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -115,13 +113,13 @@
            <div itemprop="articleBody">
              
   <section id="in-memory-hdf5-files">
-<h1>In-memory HDF5 files<a class="headerlink" href="#in-memory-hdf5-files" title="Link to this heading">¶</a></h1>
+<h1>In-memory HDF5 files<a class="headerlink" href="#in-memory-hdf5-files" title="Permalink to this heading">¶</a></h1>
 <p>The HDF5 library provides functions to allow an application to work with a
 file in memory for faster reads and writes. File contents are kept in memory
 until the file is closed.  At closing, the memory version of the file can be
 written back to disk or abandoned.</p>
 <section id="open-an-existing-file-in-memory">
-<h2>Open an existing file in memory<a class="headerlink" href="#open-an-existing-file-in-memory" title="Link to this heading">¶</a></h2>
+<h2>Open an existing file in memory<a class="headerlink" href="#open-an-existing-file-in-memory" title="Permalink to this heading">¶</a></h2>
 <p>Assuming the <code class="file docutils literal notranslate"><span class="pre">sample.h5</span></code> exists in the current folder, it is possible to
 open it in memory simply using the CORE driver at opening time.</p>
 <p>The HDF5 driver that one intend to use to open/create a file can be specified
@@ -146,7 +144,7 @@ <h2>Open an existing file in memory<a class="headerlink" href="#open-an-existing
 </div>
 </section>
 <section id="creating-a-new-file-in-memory">
-<h2>Creating a new file in memory<a class="headerlink" href="#creating-a-new-file-in-memory" title="Link to this heading">¶</a></h2>
+<h2>Creating a new file in memory<a class="headerlink" href="#creating-a-new-file-in-memory" title="Permalink to this heading">¶</a></h2>
 <p>Creating a new file in memory is as simple as creating a regular file, just
 one needs to specify to use the CORE driver:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">tables</span>
@@ -158,7 +156,7 @@ <h2>Creating a new file in memory<a class="headerlink" href="#creating-a-new-fil
 </div>
 </section>
 <section id="backing-store">
-<h2>Backing store<a class="headerlink" href="#backing-store" title="Link to this heading">¶</a></h2>
+<h2>Backing store<a class="headerlink" href="#backing-store" title="Permalink to this heading">¶</a></h2>
 <p>In the previous example contents of the in-memory <cite>h5file</cite> are automatically
 saved to disk when the file descriptor is closed, so a new
 <code class="file docutils literal notranslate"><span class="pre">new_sample.h5</span></code> file is created and all data are transferred to disk.</p>
@@ -193,7 +191,7 @@ <h2>Backing store<a class="headerlink" href="#backing-store" title="Link to this
 <p>Modifications are lost when the <cite>h5file</cite> descriptor is closed.</p>
 </section>
 <section id="memory-images-of-hdf5-files">
-<h2>Memory images of HDF5 files<a class="headerlink" href="#memory-images-of-hdf5-files" title="Link to this heading">¶</a></h2>
+<h2>Memory images of HDF5 files<a class="headerlink" href="#memory-images-of-hdf5-files" title="Permalink to this heading">¶</a></h2>
 <p>It is possible to get a memory image of an HDF5 file (see
 <a class="reference external" href="http://www.hdfgroup.org/HDF5/doc/Advanced/FileImageOperations/HDF5FileImageOperations.pdf">HDF5 File Image Operations</a> <a class="footnote-reference brackets" href="#id4" id="id5" role="doc-noteref"><span class="fn-bracket">[</span>2<span class="fn-bracket">]</span></a>).  This feature is only available if PyTables
 is build against version 1.8.9 or newer of the HDF5 library.</p>
diff --git a/cookbook/no_root_install.html b/cookbook/no_root_install.html
index cab6514..b9a0d15 100644
--- a/cookbook/no_root_install.html
+++ b/cookbook/no_root_install.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Installing PyTables when you’re not root &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -104,9 +102,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">Installing PyTables when you’re not root</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>Installing PyTables when you’re not root</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/no_root_install.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -117,7 +115,7 @@
            <div itemprop="articleBody">
              
   <section id="installing-pytables-when-you-re-not-root">
-<h1>Installing PyTables when you’re not root<a class="headerlink" href="#installing-pytables-when-you-re-not-root" title="Link to this heading">¶</a></h1>
+<h1>Installing PyTables when you’re not root<a class="headerlink" href="#installing-pytables-when-you-re-not-root" title="Permalink to this heading">¶</a></h1>
 <p>By <a class="reference external" href="http://www.tibed.net">Koen van de Sande</a>.</p>
 <div class="admonition warning">
 <p class="admonition-title">Warning</p>
@@ -131,7 +129,7 @@ <h1>Installing PyTables when you’re not root<a class="headerlink" href="#insta
 They only assumption is that you have Python 3.6 or higher and a C/C++
 compiler (gcc) installed.</p>
 <section id="installing-hdf5">
-<h2>Installing HDF5<a class="headerlink" href="#installing-hdf5" title="Link to this heading">¶</a></h2>
+<h2>Installing HDF5<a class="headerlink" href="#installing-hdf5" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>First go to or make a temporary folder where we can download and compile
 software.
@@ -173,7 +171,7 @@ <h2>Installing HDF5<a class="headerlink" href="#installing-hdf5" title="Link to
 </ul>
 </section>
 <section id="installing-numpy">
-<h2>Installing NumPy<a class="headerlink" href="#installing-numpy" title="Link to this heading">¶</a></h2>
+<h2>Installing NumPy<a class="headerlink" href="#installing-numpy" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>From the <a class="reference external" href="https://pypi.org/project/numpy/">NumPy page on PyPI</a>
 download NumPy 1.21.5 (at time of writing) to our temporary folder.</p></li>
@@ -195,7 +193,7 @@ <h2>Installing NumPy<a class="headerlink" href="#installing-numpy" title="Link t
 </ul>
 </section>
 <section id="python-wrapper-script">
-<h2>Python wrapper script<a class="headerlink" href="#python-wrapper-script" title="Link to this heading">¶</a></h2>
+<h2>Python wrapper script<a class="headerlink" href="#python-wrapper-script" title="Permalink to this heading">¶</a></h2>
 <p>We’ve installed all dependencies of PyTables.
 We need to create a wrapper script for Python to let PyTables actually find
 all these dependencies.
@@ -244,7 +242,7 @@ <h2>Python wrapper script<a class="headerlink" href="#python-wrapper-script" tit
 </div>
 </section>
 <section id="installing-pytables">
-<h2>Installing PyTables<a class="headerlink" href="#installing-pytables" title="Link to this heading">¶</a></h2>
+<h2>Installing PyTables<a class="headerlink" href="#installing-pytables" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>From the <a class="reference external" href="https://pypi.org/project/tables/">PyPI page</a>
 download PyTables 3.7.0 (at time of writing) to our temporary folder.</p></li>
@@ -266,7 +264,7 @@ <h2>Installing PyTables<a class="headerlink" href="#installing-pytables" title="
 </ul>
 </section>
 <section id="running-python-with-pytables-support">
-<h2>Running Python with PyTables support<a class="headerlink" href="#running-python-with-pytables-support" title="Link to this heading">¶</a></h2>
+<h2>Running Python with PyTables support<a class="headerlink" href="#running-python-with-pytables-support" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>Use your Python wrapper script to start Python:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">p</span>
@@ -283,7 +281,7 @@ <h2>Running Python with PyTables support<a class="headerlink" href="#running-pyt
 </ul>
 </section>
 <section id="concluding-remarks">
-<h2>Concluding remarks<a class="headerlink" href="#concluding-remarks" title="Link to this heading">¶</a></h2>
+<h2>Concluding remarks<a class="headerlink" href="#concluding-remarks" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>It is safe to remove the temporary folder we have used in this guide,
 there are no dependencies on it.</p></li>
diff --git a/cookbook/py2exe_howto.html b/cookbook/py2exe_howto.html
index ab31b73..5b2167e 100644
--- a/cookbook/py2exe_howto.html
+++ b/cookbook/py2exe_howto.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>How to integrate PyTables in your application by using py2exe &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -96,9 +94,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">How to integrate PyTables in your application by using py2exe</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>How to integrate PyTables in your application by using py2exe</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/py2exe_howto.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -109,7 +107,7 @@
            <div itemprop="articleBody">
              
   <section id="how-to-integrate-pytables-in-your-application-by-using-py2exe">
-<h1>How to integrate PyTables in your application by using py2exe<a class="headerlink" href="#how-to-integrate-pytables-in-your-application-by-using-py2exe" title="Link to this heading">¶</a></h1>
+<h1>How to integrate PyTables in your application by using py2exe<a class="headerlink" href="#how-to-integrate-pytables-in-your-application-by-using-py2exe" title="Permalink to this heading">¶</a></h1>
 <p>This document shortly describes how to build an executable when using PyTables.
 <a class="reference external" href="http://www.py2exe.org">Py2exe</a> <a class="footnote-reference brackets" href="#id2" id="id3" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a> is a third party product that converts python scripts into standalone
 windows application/programs.
diff --git a/cookbook/simple_table.html b/cookbook/simple_table.html
index f5f8160..93029d7 100644
--- a/cookbook/simple_table.html
+++ b/cookbook/simple_table.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>SimpleTable: simple wrapper around the Table object &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -96,9 +94,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">SimpleTable: simple wrapper around the Table object</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>SimpleTable: simple wrapper around the Table object</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/simple_table.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -109,7 +107,7 @@
            <div itemprop="articleBody">
              
   <section id="simpletable-simple-wrapper-around-the-table-object">
-<h1>SimpleTable: simple wrapper around the Table object<a class="headerlink" href="#simpletable-simple-wrapper-around-the-table-object" title="Link to this heading">¶</a></h1>
+<h1>SimpleTable: simple wrapper around the Table object<a class="headerlink" href="#simpletable-simple-wrapper-around-the-table-object" title="Permalink to this heading">¶</a></h1>
 <p>Here it is yet another example on how to inherit from the <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table" title="tables.Table"><code class="xref py py-class docutils literal notranslate"><span class="pre">tables.Table</span></code></a>
 object so as to build an easy-to-use Table object.
 Thanks to Brent Pedersen for this one (taken from
diff --git a/cookbook/tailoring_atexit_hooks.html b/cookbook/tailoring_atexit_hooks.html
index 06c7e2e..9b57a78 100644
--- a/cookbook/tailoring_atexit_hooks.html
+++ b/cookbook/tailoring_atexit_hooks.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Tailoring atexit hooks &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -96,9 +94,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">Tailoring <cite>atexit</cite> hooks</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>Tailoring <cite>atexit</cite> hooks</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/tailoring_atexit_hooks.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -109,7 +107,7 @@
            <div itemprop="articleBody">
              
   <section id="tailoring-atexit-hooks">
-<h1>Tailoring <cite>atexit</cite> hooks<a class="headerlink" href="#tailoring-atexit-hooks" title="Link to this heading">¶</a></h1>
+<h1>Tailoring <cite>atexit</cite> hooks<a class="headerlink" href="#tailoring-atexit-hooks" title="Permalink to this heading">¶</a></h1>
 <p>In some situations you may want to tailor the typical messages that PyTables
 outputs:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Closing</span> <span class="n">remaining</span> <span class="nb">open</span> <span class="n">files</span><span class="p">:</span> <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">prova</span><span class="o">.</span><span class="n">h5</span><span class="o">...</span> <span class="n">done</span>
diff --git a/cookbook/threading.html b/cookbook/threading.html
index a5f0ada..fdc76c0 100644
--- a/cookbook/threading.html
+++ b/cookbook/threading.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Threading &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -102,9 +100,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables Cookbook</a></li>
-      <li class="breadcrumb-item active">Threading</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables Cookbook</a> &raquo;</li>
+      <li>Threading</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/cookbook/threading.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -115,9 +113,9 @@
            <div itemprop="articleBody">
              
   <section id="threading">
-<h1>Threading<a class="headerlink" href="#threading" title="Link to this heading">¶</a></h1>
+<h1>Threading<a class="headerlink" href="#threading" title="Permalink to this heading">¶</a></h1>
 <section id="background">
-<h2>Background<a class="headerlink" href="#background" title="Link to this heading">¶</a></h2>
+<h2>Background<a class="headerlink" href="#background" title="Permalink to this heading">¶</a></h2>
 <p>Several bug reports have been filed in the past by the users regarding
 problems related to the impossibility to use PyTables in multi-thread
 programs.</p>
@@ -137,7 +135,7 @@ <h2>Background<a class="headerlink" href="#background" title="Link to this headi
 </div>
 </section>
 <section id="a-common-schema-for-concurrency">
-<h2>A common schema for concurrency<a class="headerlink" href="#a-common-schema-for-concurrency" title="Link to this heading">¶</a></h2>
+<h2>A common schema for concurrency<a class="headerlink" href="#a-common-schema-for-concurrency" title="Permalink to this heading">¶</a></h2>
 <p>Although it is probably not the most efficient or elegant solution to solve
 a certain class of problems, many users seems to like the possibility to
 load a portion of data and process it inside a <em>thread function</em> using
@@ -155,7 +153,7 @@ <h2>A common schema for concurrency<a class="headerlink" href="#a-common-schema-
 correct behaviour of the internal machinery used to manage HDF5 file handles.</p>
 </section>
 <section id="very-simple-solution">
-<h2>Very simple solution<a class="headerlink" href="#very-simple-solution" title="Link to this heading">¶</a></h2>
+<h2>Very simple solution<a class="headerlink" href="#very-simple-solution" title="Permalink to this heading">¶</a></h2>
 <p>A very simple solution for this kind of scenario is to use a
 <code class="xref py py-class docutils literal notranslate"><span class="pre">threading.Lock</span></code> around part of the code that are considered critical
 e.g. the <a class="reference internal" href="../usersguide/libref/top_level.html#tables.open_file" title="tables.open_file"><code class="xref py py-func docutils literal notranslate"><span class="pre">open_file()</span></code></a> function and the <a class="reference internal" href="../usersguide/libref/file_class.html#tables.File.close" title="tables.File.close"><code class="xref py py-meth docutils literal notranslate"><span class="pre">File.close()</span></code></a> method:</p>
@@ -287,7 +285,7 @@ <h2>Very simple solution<a class="headerlink" href="#very-simple-solution" title
 </div>
 </section>
 <section id="monkey-patching-pytables">
-<h2>Monkey-patching PyTables<a class="headerlink" href="#monkey-patching-pytables" title="Link to this heading">¶</a></h2>
+<h2>Monkey-patching PyTables<a class="headerlink" href="#monkey-patching-pytables" title="Permalink to this heading">¶</a></h2>
 <p>An alternative implementation with respect to the <a class="reference internal" href="#very-simple-solution">Very simple solution</a>
 presented in the previous section consists in monkey-patching the PyTables
 package to replace some of its components with a more thread-safe version of
diff --git a/dev_team.html b/dev_team.html
index b8e640e..64d1701 100644
--- a/dev_team.html
+++ b/dev_team.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables Governance Team &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -38,19 +40,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -82,8 +80,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">PyTables Governance Team</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>PyTables Governance Team</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/dev_team.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -94,7 +92,7 @@
            <div itemprop="articleBody">
              
   <section id="pytables-governance-team">
-<h1>PyTables Governance Team<a class="headerlink" href="#pytables-governance-team" title="Link to this heading">¶</a></h1>
+<h1>PyTables Governance Team<a class="headerlink" href="#pytables-governance-team" title="Permalink to this heading">¶</a></h1>
 <p>The PyTables team includes:</p>
 <ul class="simple">
 <li><p>Francesc Alted</p></li>
diff --git a/development.html b/development.html
index ceaae5d..22bf680 100644
--- a/development.html
+++ b/development.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables Development &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,8 +81,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">PyTables Development</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>PyTables Development</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/development.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -95,7 +93,7 @@
            <div itemprop="articleBody">
              
   <section id="pytables-development">
-<h1>PyTables Development<a class="headerlink" href="#pytables-development" title="Link to this heading">¶</a></h1>
+<h1>PyTables Development<a class="headerlink" href="#pytables-development" title="Permalink to this heading">¶</a></h1>
 <p>If you want to follow the development of PyTables and take part in it,
 you may have a look at the PyTables project pages on
 <a class="reference external" href="https://github.com">GitHub</a>.</p>
diff --git a/downloads.html b/downloads.html
index ff68062..8b2563b 100644
--- a/downloads.html
+++ b/downloads.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Downloads &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -87,8 +85,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Downloads</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>Downloads</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/downloads.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -99,9 +97,9 @@
            <div itemprop="articleBody">
              
   <section id="downloads">
-<h1>Downloads<a class="headerlink" href="#downloads" title="Link to this heading">¶</a></h1>
+<h1>Downloads<a class="headerlink" href="#downloads" title="Permalink to this heading">¶</a></h1>
 <section id="stable-versions">
-<h2>Stable Versions<a class="headerlink" href="#stable-versions" title="Link to this heading">¶</a></h2>
+<h2>Stable Versions<a class="headerlink" href="#stable-versions" title="Permalink to this heading">¶</a></h2>
 <p>The stable versions of PyTables can be downloaded from the file <a class="reference external" href="http://sourceforge.net/projects/pytables/files/pytables">download
 area</a> on SourceForge.net.  The full distribution contains a copy of this
 documentation in HTML.  The documentation in both HTML and PDF formats can
@@ -127,7 +125,7 @@ <h2>Stable Versions<a class="headerlink" href="#stable-versions" title="Link to
 </div>
 </section>
 <section id="bleeding-edge-versions">
-<h2>Bleeding Edge Versions<a class="headerlink" href="#bleeding-edge-versions" title="Link to this heading">¶</a></h2>
+<h2>Bleeding Edge Versions<a class="headerlink" href="#bleeding-edge-versions" title="Permalink to this heading">¶</a></h2>
 <p>The latest, coolest, and possibly buggiest ;-) sources can be obtained from
 the new github repository:</p>
 <p><a class="reference external" href="https://github.com/PyTables/PyTables">https://github.com/PyTables/PyTables</a></p>
diff --git a/genindex.html b/genindex.html
index 78edbe3..578cfdd 100644
--- a/genindex.html
+++ b/genindex.html
@@ -11,9 +11,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="#" />
     <link rel="search" title="Search" href="search.html" />
@@ -36,19 +38,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -80,8 +78,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Index</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>Index</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
diff --git a/index.html b/index.html
index f43c3e9..b4820f2 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Welcome to PyTables’ documentation! &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -38,19 +40,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="#">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="#">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -82,8 +80,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="#" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Welcome to PyTables’ documentation!</li>
+      <li><a href="#" class="icon icon-home"></a> &raquo;</li>
+      <li>Welcome to PyTables’ documentation!</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/index.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -94,7 +92,7 @@
            <div itemprop="articleBody">
              
   <section id="welcome-to-pytables-documentation">
-<h1>Welcome to PyTables’ documentation!<a class="headerlink" href="#welcome-to-pytables-documentation" title="Link to this heading">¶</a></h1>
+<h1>Welcome to PyTables’ documentation!<a class="headerlink" href="#welcome-to-pytables-documentation" title="Permalink to this heading">¶</a></h1>
 <p>PyTables is a package for managing hierarchical datasets and designed
 to efficiently and easily cope with extremely large amounts of data.
 You can download PyTables and use it for free. You can access documentation,
@@ -118,7 +116,7 @@ <h1>Welcome to PyTables’ documentation!<a class="headerlink" href="#welcome-to
 your donations are fiscally sponsored under the NumFOCUS umbrella.  Please
 consider <a class="reference external" href="https://numfocus.salsalabs.org/donate-to-pytables/index.html">donating to NumFOCUS</a>.</p>
 <section id="contents">
-<h2>Contents<a class="headerlink" href="#contents" title="Link to this heading">¶</a></h2>
+<h2>Contents<a class="headerlink" href="#contents" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
@@ -136,7 +134,7 @@ <h2>Contents<a class="headerlink" href="#contents" title="Link to this heading">
 </section>
 </section>
 <section id="helpful-links">
-<h1>Helpful Links<a class="headerlink" href="#helpful-links" title="Link to this heading">¶</a></h1>
+<h1>Helpful Links<a class="headerlink" href="#helpful-links" title="Permalink to this heading">¶</a></h1>
 <ul class="simple">
 <li><p><a class="reference internal" href="genindex.html"><span class="std std-ref">Index</span></a></p></li>
 <li><p><a class="reference internal" href="search.html"><span class="std std-ref">Search Page</span></a></p></li>
diff --git a/objects.inv b/objects.inv
index f715126..b6c4f36 100644
Binary files a/objects.inv and b/objects.inv differ
diff --git a/other_material.html b/other_material.html
index eed9c52..f99d109 100644
--- a/other_material.html
+++ b/other_material.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Other Material &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -89,8 +87,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Other Material</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>Other Material</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/other_material.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -101,9 +99,9 @@
            <div itemprop="articleBody">
              
   <section id="other-material">
-<h1>Other Material<a class="headerlink" href="#other-material" title="Link to this heading">¶</a></h1>
+<h1>Other Material<a class="headerlink" href="#other-material" title="Permalink to this heading">¶</a></h1>
 <section id="videos">
-<h2>Videos<a class="headerlink" href="#videos" title="Link to this heading">¶</a></h2>
+<h2>Videos<a class="headerlink" href="#videos" title="Permalink to this heading">¶</a></h2>
 <p>These are the videos of a series dedicated to introduce the main features of
 PyTables in a visual and easy to grasp manner.
 More videos will be made available with the time:</p>
@@ -113,7 +111,7 @@ <h2>Videos<a class="headerlink" href="#videos" title="Link to this heading">¶</
 </ul>
 </section>
 <section id="presentations">
-<h2>Presentations<a class="headerlink" href="#presentations" title="Link to this heading">¶</a></h2>
+<h2>Presentations<a class="headerlink" href="#presentations" title="Permalink to this heading">¶</a></h2>
 <p>Here are the slides of some presentations about PyTables that you may find
 useful:</p>
 <ul class="simple">
@@ -158,7 +156,7 @@ <h2>Presentations<a class="headerlink" href="#presentations" title="Link to this
 </ul>
 </section>
 <section id="reports">
-<h2>Reports<a class="headerlink" href="#reports" title="Link to this heading">¶</a></h2>
+<h2>Reports<a class="headerlink" href="#reports" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>White Paper on <a class="reference external" href="http://www.pytables.org/docs/OPSI-indexes.pdf">OPSI indexes</a>,
 explaining the powerful new indexing engine in PyTables Pro.</p></li>
@@ -171,7 +169,7 @@ <h2>Reports<a class="headerlink" href="#reports" title="Link to this heading">¶
 </ul>
 </section>
 <section id="other-sources-for-examples">
-<h2>Other sources for examples<a class="headerlink" href="#other-sources-for-examples" title="Link to this heading">¶</a></h2>
+<h2>Other sources for examples<a class="headerlink" href="#other-sources-for-examples" title="Permalink to this heading">¶</a></h2>
 <p>The examples presented above show just a little amount of the full capabilities
 of PyTables.
 Please check out the documentation and the <code class="file docutils literal notranslate"><span class="pre">examples/</span></code> directory in the
diff --git a/project_pointers.html b/project_pointers.html
index c7f21f9..52bb5c4 100644
--- a/project_pointers.html
+++ b/project_pointers.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Project pointers &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,8 +81,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Project pointers</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>Project pointers</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/project_pointers.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -95,7 +93,7 @@
            <div itemprop="articleBody">
              
   <section id="project-pointers">
-<h1>Project pointers<a class="headerlink" href="#project-pointers" title="Link to this heading">¶</a></h1>
+<h1>Project pointers<a class="headerlink" href="#project-pointers" title="Permalink to this heading">¶</a></h1>
 <ul class="simple">
 <li><p><a class="reference external" href="http://www.pytables.org">Project Home Page</a></p></li>
 <li><p><a class="reference external" href="https://github.com/PyTables">GitHub Project Page</a></p></li>
diff --git a/py-modindex.html b/py-modindex.html
index 490fb6e..27648df 100644
--- a/py-modindex.html
+++ b/py-modindex.html
@@ -11,9 +11,11 @@
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   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,8 +81,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">Python Module Index</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>Python Module Index</li>
       <li class="wy-breadcrumbs-aside">
       </li>
   </ul>
diff --git a/release-notes/RELEASE_NOTES_v0.7.1.html b/release-notes/RELEASE_NOTES_v0.7.1.html
index 6cd8f9b..e6db9b8 100644
--- a/release-notes/RELEASE_NOTES_v0.7.1.html
+++ b/release-notes/RELEASE_NOTES_v0.7.1.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables 0.7.1 is out! &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -124,9 +122,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">PyTables 0.7.1 is out!</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>PyTables 0.7.1 is out!</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.7.1.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -137,7 +135,7 @@
            <div itemprop="articleBody">
              
   <section id="pytables-0-7-1-is-out">
-<h1>PyTables 0.7.1 is out!<a class="headerlink" href="#pytables-0-7-1-is-out" title="Link to this heading">¶</a></h1>
+<h1>PyTables 0.7.1 is out!<a class="headerlink" href="#pytables-0-7-1-is-out" title="Permalink to this heading">¶</a></h1>
 <p>This is a mainly a bug-fixing release, where the next problems has
 been addressed:</p>
 <ul class="simple">
diff --git a/release-notes/RELEASE_NOTES_v0.7.2.html b/release-notes/RELEASE_NOTES_v0.7.2.html
index 3403e7b..c9bd149 100644
--- a/release-notes/RELEASE_NOTES_v0.7.2.html
+++ b/release-notes/RELEASE_NOTES_v0.7.2.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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@@ -12,9 +12,11 @@
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-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
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@@ -124,9 +122,9 @@
         <div class="rst-content">
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-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 0.7.2</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 0.7.2</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.7.2.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -137,7 +135,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-0-7-2">
-<h1>What’s new in PyTables 0.7.2<a class="headerlink" href="#what-s-new-in-pytables-0-7-2" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 0.7.2<a class="headerlink" href="#what-s-new-in-pytables-0-7-2" title="Permalink to this heading">¶</a></h1>
 <p>This is a mainly a maintenance release, where the next issues has
 been addressed:</p>
 <ul class="simple">
diff --git a/release-notes/RELEASE_NOTES_v0.8.html b/release-notes/RELEASE_NOTES_v0.8.html
index b2005d5..dad2fad 100644
--- a/release-notes/RELEASE_NOTES_v0.8.html
+++ b/release-notes/RELEASE_NOTES_v0.8.html
@@ -1,7 +1,7 @@
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 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
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@@ -12,9 +12,11 @@
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-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
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@@ -39,19 +41,15 @@
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         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -124,9 +122,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 0.8</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 0.8</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.8.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -137,7 +135,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-0-8">
-<h1>What’s new in PyTables 0.8<a class="headerlink" href="#what-s-new-in-pytables-0-8" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 0.8<a class="headerlink" href="#what-s-new-in-pytables-0-8" title="Permalink to this heading">¶</a></h1>
 <p>On this release, many enhancements has been added and some bugs has
 been fixed. Here is the (non-exhaustive) list:</p>
 <ul>
diff --git a/release-notes/RELEASE_NOTES_v0.9.1.html b/release-notes/RELEASE_NOTES_v0.9.1.html
index e92b153..f685313 100644
--- a/release-notes/RELEASE_NOTES_v0.9.1.html
+++ b/release-notes/RELEASE_NOTES_v0.9.1.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 0.9.1 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -124,9 +122,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 0.9.1</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 0.9.1</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.9.1.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -137,7 +135,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-0-9-1">
-<h1>What’s new in PyTables 0.9.1<a class="headerlink" href="#what-s-new-in-pytables-0-9-1" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 0.9.1<a class="headerlink" href="#what-s-new-in-pytables-0-9-1" title="Permalink to this heading">¶</a></h1>
 <p>This release is mainly a maintenance version. In it, some bugs has
 been fixed and a few improvements has been made. One important thing
 is that chunk sizes in EArrays has been re-tuned to get much better
diff --git a/release-notes/RELEASE_NOTES_v0.9.html b/release-notes/RELEASE_NOTES_v0.9.html
index 603d00b..172f259 100644
--- a/release-notes/RELEASE_NOTES_v0.9.html
+++ b/release-notes/RELEASE_NOTES_v0.9.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 0.9 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -130,9 +128,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 0.9</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 0.9</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.9.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -143,14 +141,14 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-0-9">
-<h1>What’s new in PyTables 0.9<a class="headerlink" href="#what-s-new-in-pytables-0-9" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 0.9<a class="headerlink" href="#what-s-new-in-pytables-0-9" title="Permalink to this heading">¶</a></h1>
 <p>On this release you will find a series of quite
 exciting new features, being the most important the indexing
 capabilities, in-kernel selections, support for complex datatypes and
 the possibility to modify values in both tables <em>and</em> arrays (yeah,
 finally :).</p>
 <section id="new-features">
-<h2>New features:<a class="headerlink" href="#new-features" title="Link to this heading">¶</a></h2>
+<h2>New features:<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Indexing of columns in tables. That allow to make data selections on
 tables up to 500 times faster than standard selections (for
@@ -193,7 +191,7 @@ <h2>New features:<a class="headerlink" href="#new-features" title="Link to this
 </ul>
 </section>
 <section id="improvements">
-<h2>Improvements:<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h2>
+<h2>Improvements:<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>New __len__(self) methods added in Arrays, Tables and Columns. This,
 in combination with __getitem__(self,key) allows to better emulate
@@ -208,7 +206,7 @@ <h2>Improvements:<a class="headerlink" href="#improvements" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-api-changes">
-<h2>Backward-incompatible API changes:<a class="headerlink" href="#backward-incompatible-api-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible API changes:<a class="headerlink" href="#backward-incompatible-api-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The __call__ special method has been removed from objects File,
 Group, Table, Array, EArray and VLArray. Now, you should use
@@ -224,7 +222,7 @@ <h2>Backward-incompatible API changes:<a class="headerlink" href="#backward-inco
 </ul>
 </section>
 <section id="bug-fixes">
-<h2>Bug fixes:<a class="headerlink" href="#bug-fixes" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes:<a class="headerlink" href="#bug-fixes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>A call to File.flush() now invoke a call to H5Fflush() so to
 effectively flushing all the file contents to disk. Thanks to Shack
diff --git a/release-notes/RELEASE_NOTES_v1.0.html b/release-notes/RELEASE_NOTES_v1.0.html
index c1a35c8..bc5e7e5 100644
--- a/release-notes/RELEASE_NOTES_v1.0.html
+++ b/release-notes/RELEASE_NOTES_v1.0.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.0 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -130,9 +128,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.0</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.0</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.0.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -143,7 +141,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-0">
-<h1>What’s new in PyTables 1.0<a class="headerlink" href="#what-s-new-in-pytables-1-0" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.0<a class="headerlink" href="#what-s-new-in-pytables-1-0" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -162,7 +160,7 @@ <h1>What’s new in PyTables 1.0<a class="headerlink" href="#what-s-new-in-pytab
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 0.9.1 to PyTables 1.0.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The new <code class="docutils literal notranslate"><span class="pre">Table.col()</span></code> method can be used to get a column from a table as a
 <code class="docutils literal notranslate"><span class="pre">NumArray</span></code> or <code class="docutils literal notranslate"><span class="pre">CharArray</span></code> object.  This is preferred over the syntax
@@ -174,7 +172,7 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Trying to open a nonexistent file or a file of unknown type raises
 <code class="docutils literal notranslate"><span class="pre">IOError</span></code> instead of <code class="docutils literal notranslate"><span class="pre">RuntimeError</span></code>.  Using an invalid mode raises
@@ -298,7 +296,7 @@ <h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompati
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <code class="docutils literal notranslate"><span class="pre">isHDF5()</span></code> function has been deprecated in favor of <code class="docutils literal notranslate"><span class="pre">isHDF5File()</span></code>.</p></li>
 <li><p>Node attribute-handling methods in <code class="docutils literal notranslate"><span class="pre">File</span></code> have been renamed for a better
@@ -320,7 +318,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Table.iterrows()</span></code> returns an empty iterator when no rows are selected,
 instead of returning <code class="docutils literal notranslate"><span class="pre">None</span></code>.</p></li>
diff --git a/release-notes/RELEASE_NOTES_v1.1.1.html b/release-notes/RELEASE_NOTES_v1.1.1.html
index 715fd58..25847a3 100644
--- a/release-notes/RELEASE_NOTES_v1.1.1.html
+++ b/release-notes/RELEASE_NOTES_v1.1.1.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.1.1 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -130,9 +128,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.1.1</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.1.1</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.1.1.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -143,7 +141,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-1-1">
-<h1>What’s new in PyTables 1.1.1<a class="headerlink" href="#what-s-new-in-pytables-1-1-1" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.1.1<a class="headerlink" href="#what-s-new-in-pytables-1-1-1" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -162,13 +160,13 @@ <h1>What’s new in PyTables 1.1.1<a class="headerlink" href="#what-s-new-in-pyt
 Its main purpose is help you ensure that your programs will be runnable
 when you switch from PyTables 1.0 to PyTables 1.1.1.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Table.read()</span></code> raises a <code class="docutils literal notranslate"><span class="pre">KeyError</span></code> instead of a <code class="docutils literal notranslate"><span class="pre">ValueError</span></code>
 when a nonexistent field name is specified, for consistency with other
@@ -179,7 +177,7 @@ <h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompati
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Using <code class="docutils literal notranslate"><span class="pre">table.cols['colname']</span></code> is deprecated.  The usage of
 <code class="docutils literal notranslate"><span class="pre">table.cols._f_col('colname')</span></code> (with the new <code class="docutils literal notranslate"><span class="pre">Cols._f_col()</span></code>
@@ -187,7 +185,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.1.html b/release-notes/RELEASE_NOTES_v1.1.html
index e3cc827..0a92871 100644
--- a/release-notes/RELEASE_NOTES_v1.1.html
+++ b/release-notes/RELEASE_NOTES_v1.1.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.1 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -130,9 +128,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.1</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.1</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.1.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -143,7 +141,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-1">
-<h1>What’s new in PyTables 1.1<a class="headerlink" href="#what-s-new-in-pytables-1-1" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.1<a class="headerlink" href="#what-s-new-in-pytables-1-1" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -162,13 +160,13 @@ <h1>What’s new in PyTables 1.1<a class="headerlink" href="#what-s-new-in-pytab
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.0 to PyTables 1.1.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>something…</p></li>
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Table.read()</span></code> raises a <code class="docutils literal notranslate"><span class="pre">KeyError</span></code> instead of a <code class="docutils literal notranslate"><span class="pre">ValueError</span></code> when a
 nonexistent field name is specified, for consistency with other methods.
@@ -179,7 +177,7 @@ <h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompati
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Using <code class="docutils literal notranslate"><span class="pre">table.cols['colname']</span></code> is deprecated.  The usage of
 <code class="docutils literal notranslate"><span class="pre">table.cols._f_col('colname')</span></code> (with the new <code class="docutils literal notranslate"><span class="pre">Cols._f_col()</span></code> method) is
@@ -187,7 +185,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>something…</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.2.1.html b/release-notes/RELEASE_NOTES_v1.2.1.html
index 6dedd8c..55c8a85 100644
--- a/release-notes/RELEASE_NOTES_v1.2.1.html
+++ b/release-notes/RELEASE_NOTES_v1.2.1.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.2.1 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.2.1</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.2.1</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.1.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-2-1">
-<h1>What’s new in PyTables 1.2.1<a class="headerlink" href="#what-s-new-in-pytables-1-2-1" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.2.1<a class="headerlink" href="#what-s-new-in-pytables-1-2-1" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,31 +161,31 @@ <h1>What’s new in PyTables 1.2.1<a class="headerlink" href="#what-s-new-in-pyt
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.2 to PyTables 1.2.1.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.2.2.html b/release-notes/RELEASE_NOTES_v1.2.2.html
index b9e1d8d..3f06ec1 100644
--- a/release-notes/RELEASE_NOTES_v1.2.2.html
+++ b/release-notes/RELEASE_NOTES_v1.2.2.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.2.2 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.2.2</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.2.2</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.2.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-2-2">
-<h1>What’s new in PyTables 1.2.2<a class="headerlink" href="#what-s-new-in-pytables-1-2-2" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.2.2<a class="headerlink" href="#what-s-new-in-pytables-1-2-2" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,31 +161,31 @@ <h1>What’s new in PyTables 1.2.2<a class="headerlink" href="#what-s-new-in-pyt
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.2 to PyTables 1.2.2.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.2.3.html b/release-notes/RELEASE_NOTES_v1.2.3.html
index 636a454..4444fe1 100644
--- a/release-notes/RELEASE_NOTES_v1.2.3.html
+++ b/release-notes/RELEASE_NOTES_v1.2.3.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.2.3 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.2.3</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.2.3</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.3.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-2-3">
-<h1>What’s new in PyTables 1.2.3<a class="headerlink" href="#what-s-new-in-pytables-1-2-3" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.2.3<a class="headerlink" href="#what-s-new-in-pytables-1-2-3" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,31 +161,31 @@ <h1>What’s new in PyTables 1.2.3<a class="headerlink" href="#what-s-new-in-pyt
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.2 to PyTables 1.2.3.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.2.html b/release-notes/RELEASE_NOTES_v1.2.html
index 3d3105d..2de2aca 100644
--- a/release-notes/RELEASE_NOTES_v1.2.html
+++ b/release-notes/RELEASE_NOTES_v1.2.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.2 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.2</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.2</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-2">
-<h1>What’s new in PyTables 1.2<a class="headerlink" href="#what-s-new-in-pytables-1-2" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.2<a class="headerlink" href="#what-s-new-in-pytables-1-2" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,7 +161,7 @@ <h1>What’s new in PyTables 1.2<a class="headerlink" href="#what-s-new-in-pytab
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.1 to PyTables 1.2.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The user is now allowed to set arbitrary Python (non-persistent) attributes
 on any instance of <code class="docutils literal notranslate"><span class="pre">Node</span></code>.  If the name matches that of a child node, the
@@ -182,7 +180,7 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">File.objects</span></code>, <code class="docutils literal notranslate"><span class="pre">File.groups</span></code> and <code class="docutils literal notranslate"><span class="pre">File.leaves</span></code> can no longer be used
 to iterate over all the nodes in the file.  However, they still may be used
@@ -205,7 +203,7 @@ <h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompati
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <code class="docutils literal notranslate"><span class="pre">objects</span></code>, <code class="docutils literal notranslate"><span class="pre">groups</span></code> and <code class="docutils literal notranslate"><span class="pre">leaves</span></code> mappings in <code class="docutils literal notranslate"><span class="pre">File</span></code> are retained
 only for compatibility purposes.  Using <code class="docutils literal notranslate"><span class="pre">File.getNode()</span></code> is recommended to
@@ -219,14 +217,14 @@ <h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The <code class="docutils literal notranslate"><span class="pre">isHDF5File()</span></code> and <code class="docutils literal notranslate"><span class="pre">isPyTablesFile()</span></code> functions know how to handle
 nonexistent or unreadable files.  An <code class="docutils literal notranslate"><span class="pre">IOError</span></code> is raised in those cases.</p></li>
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.3.1.html b/release-notes/RELEASE_NOTES_v1.3.1.html
index f40cbc2..4d8e9bd 100644
--- a/release-notes/RELEASE_NOTES_v1.3.1.html
+++ b/release-notes/RELEASE_NOTES_v1.3.1.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.3.1 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.3.1</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.3.1</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.1.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-3-1">
-<h1>What’s new in PyTables 1.3.1<a class="headerlink" href="#what-s-new-in-pytables-1-3-1" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.3.1<a class="headerlink" href="#what-s-new-in-pytables-1-3-1" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,7 +161,7 @@ <h1>What’s new in PyTables 1.3.1<a class="headerlink" href="#what-s-new-in-pyt
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.2 to PyTables 1.3.1.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The Table.Cols accessor has received a new __setitem__() method that
 allows doing things like:</p>
@@ -176,19 +174,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Table.itersequence has changed the default value for ‘sort’ parameter. It is
 now False by default, as it is not clear if this actually accelerates the
@@ -197,7 +195,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.3.2.html b/release-notes/RELEASE_NOTES_v1.3.2.html
index 0f39721..0e6afd9 100644
--- a/release-notes/RELEASE_NOTES_v1.3.2.html
+++ b/release-notes/RELEASE_NOTES_v1.3.2.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.3.2 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.3.2</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.3.2</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.2.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-3-2">
-<h1>What’s new in PyTables 1.3.2<a class="headerlink" href="#what-s-new-in-pytables-1-3-2" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.3.2<a class="headerlink" href="#what-s-new-in-pytables-1-3-2" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,7 +161,7 @@ <h1>What’s new in PyTables 1.3.2<a class="headerlink" href="#what-s-new-in-pyt
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.2 to PyTables 1.3.2.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <code class="docutils literal notranslate"><span class="pre">Table.Cols</span></code> accessor has received a new <code class="docutils literal notranslate"><span class="pre">__setitem__()</span></code> method that
 allows doing things like:</p>
@@ -176,19 +174,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Table.itersequence()</span></code> has changed the default value for the <code class="docutils literal notranslate"><span class="pre">sort</span></code>
 parameter.  It is now false by default, as it is not clear if this actually
@@ -197,7 +195,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.3.3.html b/release-notes/RELEASE_NOTES_v1.3.3.html
index f77be7c..eac4d4c 100644
--- a/release-notes/RELEASE_NOTES_v1.3.3.html
+++ b/release-notes/RELEASE_NOTES_v1.3.3.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.3.3 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.3.3</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.3.3</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.3.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-3-3">
-<h1>What’s new in PyTables 1.3.3<a class="headerlink" href="#what-s-new-in-pytables-1-3-3" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.3.3<a class="headerlink" href="#what-s-new-in-pytables-1-3-3" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,31 +161,31 @@ <h1>What’s new in PyTables 1.3.3<a class="headerlink" href="#what-s-new-in-pyt
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.2 to PyTables 1.3.3.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.3.html b/release-notes/RELEASE_NOTES_v1.3.html
index 1c4215c..19c9d2f 100644
--- a/release-notes/RELEASE_NOTES_v1.3.html
+++ b/release-notes/RELEASE_NOTES_v1.3.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.3 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.3</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.3</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-3">
-<h1>What’s new in PyTables 1.3<a class="headerlink" href="#what-s-new-in-pytables-1-3" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.3<a class="headerlink" href="#what-s-new-in-pytables-1-3" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,7 +161,7 @@ <h1>What’s new in PyTables 1.3<a class="headerlink" href="#what-s-new-in-pytab
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.2 to PyTables 1.3.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The Table.Cols accessor has received a new __setitem__() method that
 allows doing things like:</p>
@@ -176,19 +174,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Table.itersequence has changed the default value for ‘sort’ parameter. It is
 now False by default, as it is not clear if this actually accelerates the
@@ -197,7 +195,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v1.4.html b/release-notes/RELEASE_NOTES_v1.4.html
index 4aa82d6..5a83972 100644
--- a/release-notes/RELEASE_NOTES_v1.4.html
+++ b/release-notes/RELEASE_NOTES_v1.4.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>What’s new in PyTables 1.4 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">What’s new in PyTables 1.4</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>What’s new in PyTables 1.4</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.4.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,7 +142,7 @@
            <div itemprop="articleBody">
              
   <section id="what-s-new-in-pytables-1-4">
-<h1>What’s new in PyTables 1.4<a class="headerlink" href="#what-s-new-in-pytables-1-4" title="Link to this heading">¶</a></h1>
+<h1>What’s new in PyTables 1.4<a class="headerlink" href="#what-s-new-in-pytables-1-4" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Altet</p>
@@ -163,7 +161,7 @@ <h1>What’s new in PyTables 1.4<a class="headerlink" href="#what-s-new-in-pytab
 main purpose is help you ensure that your programs will be runnable when you
 switch from PyTables 1.3 to PyTables 1.4.</p>
 <section id="api-additions">
-<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The <code class="docutils literal notranslate"><span class="pre">Table.getWhereList()</span></code> method has got a new <code class="docutils literal notranslate"><span class="pre">sort</span></code> parameter.  The
 default now is to get the list of parameters unsorted.  Set <code class="docutils literal notranslate"><span class="pre">sort</span></code> to True
@@ -176,19 +174,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="deprecated-features">
-<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
 </section>
 <section id="api-refinements">
-<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Description._v_walk()</span></code> has been renamed to <code class="docutils literal notranslate"><span class="pre">_f_walk()</span></code>, since it is a
 public method, not a value.</p></li>
@@ -198,7 +196,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Link to
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
diff --git a/release-notes/RELEASE_NOTES_v2.0.x-pro.html b/release-notes/RELEASE_NOTES_v2.0.x-pro.html
index 862ca2f..f28f1e7 100644
--- a/release-notes/RELEASE_NOTES_v2.0.x-pro.html
+++ b/release-notes/RELEASE_NOTES_v2.0.x-pro.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables Pro 2.0 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -106,9 +104,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables Pro 2.0 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables Pro 2.0 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.0.x-pro.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -119,7 +117,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-pro-2-0-series">
-<h1>Release notes for PyTables Pro 2.0 series<a class="headerlink" href="#release-notes-for-pytables-pro-2-0-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables Pro 2.0 series<a class="headerlink" href="#release-notes-for-pytables-pro-2-0-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted i Abad</p>
@@ -135,7 +133,7 @@ <h1>Release notes for PyTables Pro 2.0 series<a class="headerlink" href="#releas
 </dd>
 </dl>
 <section id="changes-from-2-0-3-to-2-0-4">
-<h2>Changes from 2.0.3 to 2.0.4<a class="headerlink" href="#changes-from-2-0-3-to-2-0-4" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0.3 to 2.0.4<a class="headerlink" href="#changes-from-2-0-3-to-2-0-4" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Selections in tables works now in threaded environments.  The problem was in
 the Numexpr package – the solution has been reported to the upstream
@@ -154,7 +152,7 @@ <h2>Changes from 2.0.3 to 2.0.4<a class="headerlink" href="#changes-from-2-0-3-t
 </ul>
 </section>
 <section id="changes-from-2-0-2-1-to-2-0-3">
-<h2>Changes from 2.0.2.1 to 2.0.3<a class="headerlink" href="#changes-from-2-0-2-1-to-2-0-3" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0.2.1 to 2.0.3<a class="headerlink" href="#changes-from-2-0-2-1-to-2-0-3" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Replaced the algorithm for computing chunksizes by another that is
 more general and useful for a larger range of expected dataset
@@ -179,14 +177,14 @@ <h2>Changes from 2.0.2.1 to 2.0.3<a class="headerlink" href="#changes-from-2-0-2
 </ul>
 </section>
 <section id="changes-from-2-0-2-to-2-0-2-1">
-<h2>Changes from 2.0.2 to 2.0.2.1<a class="headerlink" href="#changes-from-2-0-2-to-2-0-2-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0.2 to 2.0.2.1<a class="headerlink" href="#changes-from-2-0-2-to-2-0-2-1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Optimization added for avoid to unnecessarily update index columns
 that have not been modified in table update operations.  Fixes #139.</p></li>
 </ul>
 </section>
 <section id="changes-from-2-0-1-to-2-0-2">
-<h2>Changes from 2.0.1 to 2.0.2<a class="headerlink" href="#changes-from-2-0-1-to-2-0-2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0.1 to 2.0.2<a class="headerlink" href="#changes-from-2-0-1-to-2-0-2" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>Fixed a critical bug that returned wrong results when doing repetitive
 queries affecting the last row part of indices.  Fixes #60 of the private
@@ -212,7 +210,7 @@ <h2>Changes from 2.0.1 to 2.0.2<a class="headerlink" href="#changes-from-2-0-1-t
 </ul>
 </section>
 <section id="changes-from-2-0-to-2-0-1">
-<h2>Changes from 2.0 to 2.0.1<a class="headerlink" href="#changes-from-2-0-to-2-0-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0 to 2.0.1<a class="headerlink" href="#changes-from-2-0-to-2-0-1" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <code class="docutils literal notranslate"><span class="pre">coords</span></code> argument of <code class="docutils literal notranslate"><span class="pre">Table.readCoords()</span></code> was not checked
 for contiguousness, raising fatal errors when it was discontiguous.
@@ -273,7 +271,7 @@ <h2>Changes from 2.0 to 2.0.1<a class="headerlink" href="#changes-from-2-0-to-2-
 </ul>
 </section>
 <section id="changes-from-2-0rc2-to-2-0">
-<h2>Changes from 2.0rc2 to 2.0<a class="headerlink" href="#changes-from-2-0rc2-to-2-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0rc2 to 2.0<a class="headerlink" href="#changes-from-2-0rc2-to-2-0" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Added support for recognizing native HDF5 files with datasets compressed
 with szip compressor.</p></li>
@@ -303,7 +301,7 @@ <h2>Changes from 2.0rc2 to 2.0<a class="headerlink" href="#changes-from-2-0rc2-t
 </ul>
 </section>
 <section id="changes-from-2-0rc1-to-2-0rc2">
-<h2>Changes from 2.0rc1 to 2.0rc2<a class="headerlink" href="#changes-from-2-0rc1-to-2-0rc2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0rc1 to 2.0rc2<a class="headerlink" href="#changes-from-2-0rc1-to-2-0rc2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The “Optimization tips” chapter of the User’s Guide has been completely
 updated to adapt to PyTables 2.0 series.  In particular, new benchmarks on
@@ -342,7 +340,7 @@ <h2>Changes from 2.0rc1 to 2.0rc2<a class="headerlink" href="#changes-from-2-0rc
 </ul>
 </section>
 <section id="changes-from-2-0b2-to-2-0rc1">
-<h2>Changes from 2.0b2 to 2.0rc1<a class="headerlink" href="#changes-from-2-0b2-to-2-0rc1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0b2 to 2.0rc1<a class="headerlink" href="#changes-from-2-0b2-to-2-0rc1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The <code class="docutils literal notranslate"><span class="pre">lastrow</span></code> argument of <code class="docutils literal notranslate"><span class="pre">Table.flushRowsToIndex()</span></code> is no longer
 public.  It was not documented, anyway.  Fixes ticket #43.</p></li>
@@ -403,7 +401,7 @@ <h2>Changes from 2.0b2 to 2.0rc1<a class="headerlink" href="#changes-from-2-0b2-
 </ul>
 </section>
 <section id="changes-from-2-0b1-to-2-0b2">
-<h2>Changes from 2.0b1 to 2.0b2<a class="headerlink" href="#changes-from-2-0b1-to-2-0b2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0b1 to 2.0b2<a class="headerlink" href="#changes-from-2-0b1-to-2-0b2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>A very exhaustive overhauling of the User’s Manual is in process.  The
 chapters 1 (Introduction), 2 (Installation), 3 (Tutorials) have been
@@ -438,9 +436,9 @@ <h2>Changes from 2.0b1 to 2.0b2<a class="headerlink" href="#changes-from-2-0b1-t
 </ul>
 </section>
 <section id="changes-from-1-4-x-to-2-0b1">
-<h2>Changes from 1.4.x to 2.0b1<a class="headerlink" href="#changes-from-1-4-x-to-2-0b1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 1.4.x to 2.0b1<a class="headerlink" href="#changes-from-1-4-x-to-2-0b1" title="Permalink to this heading">¶</a></h2>
 <section id="api-additions">
-<h3>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h3>
+<h3>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Column.createIndex()</span></code> has received a couple of new parameters:
 <code class="docutils literal notranslate"><span class="pre">optlevel</span></code> and <code class="docutils literal notranslate"><span class="pre">filters</span></code>.  The first one sets the desired quality level
@@ -465,7 +463,7 @@ <h3>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h3>
+<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>You can no longer mark a column for indexing in a <code class="docutils literal notranslate"><span class="pre">Col</span></code> declaration.  The
 only way of creating an index for a column is to invoke the
@@ -492,7 +490,7 @@ <h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompati
 </ul>
 </section>
 <section id="deprecated-features">
-<h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h3>
+<h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Node._v_rootgroup</span></code> has been removed.  Please use <code class="docutils literal notranslate"><span class="pre">node._v_file.root</span></code>
 instead.</p></li>
@@ -509,7 +507,7 @@ <h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="
 </ul>
 </section>
 <section id="api-refinements">
-<h3>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h3>
+<h3>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">File.createEArray()</span></code> received a new <code class="docutils literal notranslate"><span class="pre">shape</span></code> parameter.  This allows to
 not have to use the shape of the atom so as to set the shape of the
diff --git a/release-notes/RELEASE_NOTES_v2.0.x.html b/release-notes/RELEASE_NOTES_v2.0.x.html
index 87e664f..8c36b0e 100644
--- a/release-notes/RELEASE_NOTES_v2.0.x.html
+++ b/release-notes/RELEASE_NOTES_v2.0.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 2.0 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -135,9 +133,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 2.0 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 2.0 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.0.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -148,7 +146,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-2-0-series">
-<h1>Release notes for PyTables 2.0 series<a class="headerlink" href="#release-notes-for-pytables-2-0-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 2.0 series<a class="headerlink" href="#release-notes-for-pytables-2-0-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted i Abad</p>
@@ -164,7 +162,7 @@ <h1>Release notes for PyTables 2.0 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-0-3-to-2-0-4">
-<h2>Changes from 2.0.3 to 2.0.4<a class="headerlink" href="#changes-from-2-0-3-to-2-0-4" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0.3 to 2.0.4<a class="headerlink" href="#changes-from-2-0-3-to-2-0-4" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Selections in tables works now in threaded environments.  The problem was in
 the Numexpr package – the solution has been reported to the upstream
@@ -183,7 +181,7 @@ <h2>Changes from 2.0.3 to 2.0.4<a class="headerlink" href="#changes-from-2-0-3-t
 </ul>
 </section>
 <section id="changes-from-2-0-2-to-2-0-3">
-<h2>Changes from 2.0.2 to 2.0.3<a class="headerlink" href="#changes-from-2-0-2-to-2-0-3" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0.2 to 2.0.3<a class="headerlink" href="#changes-from-2-0-2-to-2-0-3" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Replaced the algorithm for computing chunksizes by another that is
 more general and useful for a larger range of expected dataset sizes.
@@ -204,7 +202,7 @@ <h2>Changes from 2.0.2 to 2.0.3<a class="headerlink" href="#changes-from-2-0-2-t
 </ul>
 </section>
 <section id="changes-from-2-0-1-to-2-0-2">
-<h2>Changes from 2.0.1 to 2.0.2<a class="headerlink" href="#changes-from-2-0-1-to-2-0-2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0.1 to 2.0.2<a class="headerlink" href="#changes-from-2-0-1-to-2-0-2" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>Added <code class="docutils literal notranslate"><span class="pre">__enter__()</span></code> and <code class="docutils literal notranslate"><span class="pre">__exit__()</span></code> methods to <code class="docutils literal notranslate"><span class="pre">File</span></code>; fixes #113.
 With this, and if using Python 2.5 you can do things like:</p>
@@ -227,7 +225,7 @@ <h2>Changes from 2.0.1 to 2.0.2<a class="headerlink" href="#changes-from-2-0-1-t
 </ul>
 </section>
 <section id="changes-from-2-0-to-2-0-1">
-<h2>Changes from 2.0 to 2.0.1<a class="headerlink" href="#changes-from-2-0-to-2-0-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0 to 2.0.1<a class="headerlink" href="#changes-from-2-0-to-2-0-1" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <code class="docutils literal notranslate"><span class="pre">coords</span></code> argument of <code class="docutils literal notranslate"><span class="pre">Table.readCoords()</span></code> was not checked
 for contiguousness, raising fatal errors when it was discontiguous.
@@ -288,7 +286,7 @@ <h2>Changes from 2.0 to 2.0.1<a class="headerlink" href="#changes-from-2-0-to-2-
 </ul>
 </section>
 <section id="changes-from-2-0rc2-to-2-0">
-<h2>Changes from 2.0rc2 to 2.0<a class="headerlink" href="#changes-from-2-0rc2-to-2-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0rc2 to 2.0<a class="headerlink" href="#changes-from-2-0rc2-to-2-0" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Added support for recognizing native HDF5 files with datasets compressed
 with szip compressor.</p></li>
@@ -318,7 +316,7 @@ <h2>Changes from 2.0rc2 to 2.0<a class="headerlink" href="#changes-from-2-0rc2-t
 </ul>
 </section>
 <section id="changes-from-2-0rc1-to-2-0rc2">
-<h2>Changes from 2.0rc1 to 2.0rc2<a class="headerlink" href="#changes-from-2-0rc1-to-2-0rc2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0rc1 to 2.0rc2<a class="headerlink" href="#changes-from-2-0rc1-to-2-0rc2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The “Optimization tips” chapter of the User’s Guide has been completely
 updated to adapt to PyTables 2.0 series.  In particular, new benchmarks on
@@ -357,7 +355,7 @@ <h2>Changes from 2.0rc1 to 2.0rc2<a class="headerlink" href="#changes-from-2-0rc
 </ul>
 </section>
 <section id="changes-from-2-0b2-to-2-0rc1">
-<h2>Changes from 2.0b2 to 2.0rc1<a class="headerlink" href="#changes-from-2-0b2-to-2-0rc1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0b2 to 2.0rc1<a class="headerlink" href="#changes-from-2-0b2-to-2-0rc1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The API Reference section of the User’s Manual (and the matching docstrings)
 has been completely reviewed, expanded and corrected.  This process has
@@ -405,7 +403,7 @@ <h2>Changes from 2.0b2 to 2.0rc1<a class="headerlink" href="#changes-from-2-0b2-
 </ul>
 </section>
 <section id="changes-from-2-0b1-to-2-0b2">
-<h2>Changes from 2.0b1 to 2.0b2<a class="headerlink" href="#changes-from-2-0b1-to-2-0b2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.0b1 to 2.0b2<a class="headerlink" href="#changes-from-2-0b1-to-2-0b2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>A very exhaustive overhauling of the User’s Manual is in process.  The
 chapters 1 (Introduction), 2 (Installation), 3 (Tutorials) have been
@@ -440,9 +438,9 @@ <h2>Changes from 2.0b1 to 2.0b2<a class="headerlink" href="#changes-from-2-0b1-t
 </ul>
 </section>
 <section id="important-changes-from-1-4-x-to-2-0">
-<h2>Important changes from 1.4.x to 2.0<a class="headerlink" href="#important-changes-from-1-4-x-to-2-0" title="Link to this heading">¶</a></h2>
+<h2>Important changes from 1.4.x to 2.0<a class="headerlink" href="#important-changes-from-1-4-x-to-2-0" title="Permalink to this heading">¶</a></h2>
 <section id="api-additions">
-<h3>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h3>
+<h3>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Column.createIndex()</span></code> has received a couple of new parameters:
 <code class="docutils literal notranslate"><span class="pre">optlevel</span></code> and <code class="docutils literal notranslate"><span class="pre">filters</span></code>.  The first one sets the desired quality level
@@ -467,7 +465,7 @@ <h3>API additions<a class="headerlink" href="#api-additions" title="Link to this
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h3>
+<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>You can no longer mark a column for indexing in a <code class="docutils literal notranslate"><span class="pre">Col</span></code> declaration.  The
 only way of creating an index for a column is to invoke the
@@ -494,7 +492,7 @@ <h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompati
 </ul>
 </section>
 <section id="deprecated-features">
-<h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link to this heading">¶</a></h3>
+<h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">Node._v_rootgroup</span></code> has been removed.  Please use <code class="docutils literal notranslate"><span class="pre">node._v_file.root</span></code>
 instead.</p></li>
@@ -511,7 +509,7 @@ <h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="
 </ul>
 </section>
 <section id="api-refinements">
-<h3>API refinements<a class="headerlink" href="#api-refinements" title="Link to this heading">¶</a></h3>
+<h3>API refinements<a class="headerlink" href="#api-refinements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><code class="docutils literal notranslate"><span class="pre">File.createEArray()</span></code> received a new <code class="docutils literal notranslate"><span class="pre">shape</span></code> parameter.  This allows to
 not have to use the shape of the atom so as to set the shape of the
diff --git a/release-notes/RELEASE_NOTES_v2.1.x-pro.html b/release-notes/RELEASE_NOTES_v2.1.x-pro.html
index 1dda4ca..c33a556 100644
--- a/release-notes/RELEASE_NOTES_v2.1.x-pro.html
+++ b/release-notes/RELEASE_NOTES_v2.1.x-pro.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 2.1 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -98,9 +96,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 2.1 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 2.1 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.1.x-pro.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -111,7 +109,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-2-1-series">
-<h1>Release notes for PyTables 2.1 series<a class="headerlink" href="#release-notes-for-pytables-2-1-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 2.1 series<a class="headerlink" href="#release-notes-for-pytables-2-1-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted i Abad</p>
@@ -121,9 +119,9 @@ <h1>Release notes for PyTables 2.1 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-1-1-to-2-1-2">
-<h2>Changes from 2.1.1 to 2.1.2<a class="headerlink" href="#changes-from-2-1-1-to-2-1-2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.1.1 to 2.1.2<a class="headerlink" href="#changes-from-2-1-1-to-2-1-2" title="Permalink to this heading">¶</a></h2>
 <section id="bug-fixes">
-<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Link to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Solved problems with Table.modifyColumn() when the column(s) is
 multidimensional. Fixes #228.</p></li>
@@ -142,7 +140,7 @@ <h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Link to this heading
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>When retrieving a row of a 1-dimensional array, a 0-dim array was
 returned instead of a numpy scalar.  Now, an actual numpy scalar is
@@ -161,9 +159,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this
 </section>
 </section>
 <section id="changes-from-2-1-to-2-1-1">
-<h2>Changes from 2.1 to 2.1.1<a class="headerlink" href="#changes-from-2-1-to-2-1-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.1 to 2.1.1<a class="headerlink" href="#changes-from-2-1-to-2-1-1" title="Permalink to this heading">¶</a></h2>
 <section id="id1">
-<h3>Bug fixes<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed a memory leak when a lot of queries were made.  Closes #203
 and #207.</p></li>
@@ -182,7 +180,7 @@ <h3>Bug fixes<a class="headerlink" href="#id1" title="Link to this heading">¶</
 </ul>
 </section>
 <section id="id2">
-<h3>Other changes<a class="headerlink" href="#id2" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><cite>openFile()</cite>, <cite>isHDF5File()</cite> and <cite>isPyTablesFile()</cite> functions accept
 Unicode filenames now.  Closes #202 and #214.</p></li>
diff --git a/release-notes/RELEASE_NOTES_v2.1.x.html b/release-notes/RELEASE_NOTES_v2.1.x.html
index ce5c79e..bd16524 100644
--- a/release-notes/RELEASE_NOTES_v2.1.x.html
+++ b/release-notes/RELEASE_NOTES_v2.1.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 2.1 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -128,9 +126,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 2.1 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 2.1 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.1.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -141,7 +139,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-2-1-series">
-<h1>Release notes for PyTables 2.1 series<a class="headerlink" href="#release-notes-for-pytables-2-1-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 2.1 series<a class="headerlink" href="#release-notes-for-pytables-2-1-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted i Abad</p>
@@ -151,9 +149,9 @@ <h1>Release notes for PyTables 2.1 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-1-1-to-2-1-2">
-<h2>Changes from 2.1.1 to 2.1.2<a class="headerlink" href="#changes-from-2-1-1-to-2-1-2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.1.1 to 2.1.2<a class="headerlink" href="#changes-from-2-1-1-to-2-1-2" title="Permalink to this heading">¶</a></h2>
 <section id="bug-fixes">
-<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Link to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Solved problems with Table.modifyColumn() when the column(s) is
 multidimensional. Fixes #228.</p></li>
@@ -172,7 +170,7 @@ <h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Link to this heading
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>When retrieving a row of a 1-dimensional array, a 0-dim array was
 returned instead of a numpy scalar.  Now, an actual numpy scalar is
@@ -191,9 +189,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this
 </section>
 </section>
 <section id="changes-from-2-1-to-2-1-1">
-<h2>Changes from 2.1 to 2.1.1<a class="headerlink" href="#changes-from-2-1-to-2-1-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.1 to 2.1.1<a class="headerlink" href="#changes-from-2-1-to-2-1-1" title="Permalink to this heading">¶</a></h2>
 <section id="id1">
-<h3>Bug fixes<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed a memory leak when a lot of queries were made.  Closes #203
 and #207.</p></li>
@@ -212,7 +210,7 @@ <h3>Bug fixes<a class="headerlink" href="#id1" title="Link to this heading">¶</
 </ul>
 </section>
 <section id="id2">
-<h3>Other changes<a class="headerlink" href="#id2" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p><cite>openFile()</cite>, <cite>isHDF5File()</cite> and <cite>isPyTablesFile()</cite> functions accept
 Unicode filenames now.  Closes #202 and #214.</p></li>
diff --git a/release-notes/RELEASE_NOTES_v2.2.x-pro.html b/release-notes/RELEASE_NOTES_v2.2.x-pro.html
index 40f3cd4..c131e35 100644
--- a/release-notes/RELEASE_NOTES_v2.2.x-pro.html
+++ b/release-notes/RELEASE_NOTES_v2.2.x-pro.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 2.2 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -104,9 +102,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 2.2 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 2.2 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.2.x-pro.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -117,7 +115,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-2-2-series">
-<h1>Release notes for PyTables 2.2 series<a class="headerlink" href="#release-notes-for-pytables-2-2-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 2.2 series<a class="headerlink" href="#release-notes-for-pytables-2-2-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted i Abad</p>
@@ -127,7 +125,7 @@ <h1>Release notes for PyTables 2.2 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-2-1rc1-to-2-2-1">
-<h2>Changes from 2.2.1rc1 to 2.2.1<a class="headerlink" href="#changes-from-2-2-1rc1-to-2-2-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2.1rc1 to 2.2.1<a class="headerlink" href="#changes-from-2-2-1rc1-to-2-2-1" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <cite>Row</cite> accessor implements a new <cite>__contains__</cite> special method that
 allows doing things like:</p>
@@ -144,7 +142,7 @@ <h2>Changes from 2.2.1rc1 to 2.2.1<a class="headerlink" href="#changes-from-2-2-
 </ul>
 </section>
 <section id="changes-from-2-2-to-2-2-1rc1">
-<h2>Changes from 2.2 to 2.2.1rc1<a class="headerlink" href="#changes-from-2-2-to-2-2-1rc1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2 to 2.2.1rc1<a class="headerlink" href="#changes-from-2-2-to-2-2-1rc1" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>When using <cite>ObjectAtom</cite> objects in <cite>VLArrays</cite> the <code class="docutils literal notranslate"><span class="pre">HIGHEST_PROTOCOL</span></code>
 is used for pickling objects.  For NumPy arrays, this simple change
@@ -188,7 +186,7 @@ <h2>Changes from 2.2 to 2.2.1rc1<a class="headerlink" href="#changes-from-2-2-to
 </ul>
 </section>
 <section id="changes-from-2-2rc2-to-2-2-final">
-<h2>Changes from 2.2rc2 to 2.2 (final)<a class="headerlink" href="#changes-from-2-2rc2-to-2-2-final" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2rc2 to 2.2 (final)<a class="headerlink" href="#changes-from-2-2rc2-to-2-2-final" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>Updated Blosc to 1.0 (final).</p></li>
 <li><p>Filter ID of Blosc changed from wrong 32010 to reserved 32001.  This
@@ -211,7 +209,7 @@ <h2>Changes from 2.2rc2 to 2.2 (final)<a class="headerlink" href="#changes-from-
 </ul>
 </section>
 <section id="changes-from-2-2rc1-to-2-2rc2">
-<h2>Changes from 2.2rc1 to 2.2rc2<a class="headerlink" href="#changes-from-2-2rc1-to-2-2rc2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2rc1 to 2.2rc2<a class="headerlink" href="#changes-from-2-2rc1-to-2-2rc2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>A new version of Blosc (0.9.5) is included.  This version is now
 considered to be stable and apt for production.  Thanks for all
@@ -237,7 +235,7 @@ <h2>Changes from 2.2rc1 to 2.2rc2<a class="headerlink" href="#changes-from-2-2rc
 </ul>
 </section>
 <section id="changes-from-2-2b3-to-2-2rc1">
-<h2>Changes from 2.2b3 to 2.2rc1<a class="headerlink" href="#changes-from-2-2b3-to-2-2rc1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2b3 to 2.2rc1<a class="headerlink" href="#changes-from-2-2b3-to-2-2rc1" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>Numexpr is not included anymore in PyTables and has become a requisite
 instead.  This is because Numexpr already has decent enough installers
@@ -293,7 +291,7 @@ <h2>Changes from 2.2b3 to 2.2rc1<a class="headerlink" href="#changes-from-2-2b3-
 Fixes #268.</p></li>
 </ul>
 <section id="api-changes">
-<h3>API changes<a class="headerlink" href="#api-changes" title="Link to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#api-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Now, <cite>Table.Cols.__len__()</cite> returns the number of top level columns
 instead of the number of rows in table.  This is more consistent in
@@ -302,7 +300,7 @@ <h3>API changes<a class="headerlink" href="#api-changes" title="Link to this hea
 </section>
 </section>
 <section id="changes-from-2-2b2-to-2-2b3">
-<h2>Changes from 2.2b2 to 2.2b3<a class="headerlink" href="#changes-from-2-2b2-to-2-2b3" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2b2 to 2.2b3<a class="headerlink" href="#changes-from-2-2b2-to-2-2b3" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Blosc compressor has been added as an additional filter, in addition
 to the existing Zlib, LZO and bzip2.  This new compressor is meant for
@@ -322,9 +320,9 @@ <h2>Changes from 2.2b2 to 2.2b3<a class="headerlink" href="#changes-from-2-2b2-t
 </ul>
 </section>
 <section id="changes-from-2-2b1-to-2-2b2">
-<h2>Changes from 2.2b1 to 2.2b2<a class="headerlink" href="#changes-from-2-2b1-to-2-2b2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2b1 to 2.2b2<a class="headerlink" href="#changes-from-2-2b1-to-2-2b2" title="Permalink to this heading">¶</a></h2>
 <section id="enhancements">
-<h3>Enhancements<a class="headerlink" href="#enhancements" title="Link to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#enhancements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Support for HDF5 hard links, soft links and external links (when
 PyTables is compiled against HDF5 1.8.x series).  A new tutorial about
@@ -350,7 +348,7 @@ <h3>Enhancements<a class="headerlink" href="#enhancements" title="Link to this h
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Added missing <cite>_c_classId</cite> attribute to the <cite>UnImplemented</cite> class.
 <code class="docutils literal notranslate"><span class="pre">ptrepack</span></code> no longer chokes while copying <cite>Unimplemented</cite> classes.</p></li>
@@ -364,7 +362,7 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this headi
 </ul>
 </section>
 <section id="id1">
-<h3>API changes<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p><cite>Row.__contains__()</cite> disabled because it has little sense to query for
 a key in Row, and the correct way should be to query for it in
@@ -395,7 +393,7 @@ <h3>API changes<a class="headerlink" href="#id1" title="Link to this heading">¶
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>After some improvements in both HDF5 and PyTables, the limit before
 emitting a <cite>PerformanceWarning</cite> on the number of children in a group
@@ -404,9 +402,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this
 </section>
 </section>
 <section id="changes-from-2-1-1-to-2-2b1">
-<h2>Changes from 2.1.1 to 2.2b1<a class="headerlink" href="#changes-from-2-1-1-to-2-2b1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.1.1 to 2.2b1<a class="headerlink" href="#changes-from-2-1-1-to-2-2b1" title="Permalink to this heading">¶</a></h2>
 <section id="id2">
-<h3>Enhancements<a class="headerlink" href="#id2" title="Link to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p>Added <cite>Expr</cite>, a class for evaluating expressions containing
 array-like objects.  It can evaluate expressions (like ‘3*a+4*b’)
@@ -435,7 +433,7 @@ <h3>Enhancements<a class="headerlink" href="#id2" title="Link to this heading">
 </ul>
 </section>
 <section id="id3">
-<h3>Bugs fixed<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed problems when modifying multidimensional columns in Table
 objects.  Closes #228.</p></li>
@@ -447,7 +445,7 @@ <h3>Bugs fixed<a class="headerlink" href="#id3" title="Link to this heading">¶<
 </ul>
 </section>
 <section id="id4">
-<h3>API changes<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Added a <cite>dtype</cite> attribute for all leaves.  This is the NumPy
 <code class="docutils literal notranslate"><span class="pre">dtype</span></code> that most closely matches the leaf type.  This allows for
@@ -474,7 +472,7 @@ <h3>API changes<a class="headerlink" href="#id4" title="Link to this heading">¶
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h3>
+<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p>After the introduction of the <cite>shape</cite> attribute for <cite>Column</cite>
 objects, the shape information for multidimensional columns has been
diff --git a/release-notes/RELEASE_NOTES_v2.2.x.html b/release-notes/RELEASE_NOTES_v2.2.x.html
index 8c4e9ce..d254985 100644
--- a/release-notes/RELEASE_NOTES_v2.2.x.html
+++ b/release-notes/RELEASE_NOTES_v2.2.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 2.2 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -134,9 +132,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 2.2 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 2.2 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.2.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -147,7 +145,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-2-2-series">
-<h1>Release notes for PyTables 2.2 series<a class="headerlink" href="#release-notes-for-pytables-2-2-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 2.2 series<a class="headerlink" href="#release-notes-for-pytables-2-2-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted i Abad</p>
@@ -157,7 +155,7 @@ <h1>Release notes for PyTables 2.2 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-2-1rc1-to-2-2-1">
-<h2>Changes from 2.2.1rc1 to 2.2.1<a class="headerlink" href="#changes-from-2-2-1rc1-to-2-2-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2.1rc1 to 2.2.1<a class="headerlink" href="#changes-from-2-2-1rc1-to-2-2-1" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>The <cite>Row</cite> accessor implements a new <cite>__contains__</cite> special method that
 allows doing things like:</p>
@@ -174,7 +172,7 @@ <h2>Changes from 2.2.1rc1 to 2.2.1<a class="headerlink" href="#changes-from-2-2-
 </ul>
 </section>
 <section id="changes-from-2-2-to-2-2-1rc1">
-<h2>Changes from 2.2 to 2.2.1rc1<a class="headerlink" href="#changes-from-2-2-to-2-2-1rc1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2 to 2.2.1rc1<a class="headerlink" href="#changes-from-2-2-to-2-2-1rc1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>When using <cite>ObjectAtom</cite> objects in <cite>VLArrays</cite> the <code class="docutils literal notranslate"><span class="pre">HIGHEST_PROTOCOL</span></code>
 is used for pickling objects.  For NumPy arrays, this simple change
@@ -208,7 +206,7 @@ <h2>Changes from 2.2 to 2.2.1rc1<a class="headerlink" href="#changes-from-2-2-to
 </ul>
 </section>
 <section id="changes-from-2-2rc2-to-2-2-final">
-<h2>Changes from 2.2rc2 to 2.2 (final)<a class="headerlink" href="#changes-from-2-2rc2-to-2-2-final" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2rc2 to 2.2 (final)<a class="headerlink" href="#changes-from-2-2rc2-to-2-2-final" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>Updated Blosc to 1.0 (final).</p></li>
 <li><p>Filter ID of Blosc changed from wrong 32010 to reserved 32001.  This
@@ -231,7 +229,7 @@ <h2>Changes from 2.2rc2 to 2.2 (final)<a class="headerlink" href="#changes-from-
 </ul>
 </section>
 <section id="changes-from-2-2rc1-to-2-2rc2">
-<h2>Changes from 2.2rc1 to 2.2rc2<a class="headerlink" href="#changes-from-2-2rc1-to-2-2rc2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2rc1 to 2.2rc2<a class="headerlink" href="#changes-from-2-2rc1-to-2-2rc2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>A new version of Blosc (0.9.5) is included.  This version is now
 considered to be stable and apt for production.  Thanks for all
@@ -257,7 +255,7 @@ <h2>Changes from 2.2rc1 to 2.2rc2<a class="headerlink" href="#changes-from-2-2rc
 </ul>
 </section>
 <section id="changes-from-2-2b3-to-2-2rc1">
-<h2>Changes from 2.2b3 to 2.2rc1<a class="headerlink" href="#changes-from-2-2b3-to-2-2rc1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2b3 to 2.2rc1<a class="headerlink" href="#changes-from-2-2b3-to-2-2rc1" title="Permalink to this heading">¶</a></h2>
 <ul>
 <li><p>Numexpr is not included anymore in PyTables and has become a requisite
 instead.  This is because Numexpr already has decent enough installers
@@ -313,7 +311,7 @@ <h2>Changes from 2.2b3 to 2.2rc1<a class="headerlink" href="#changes-from-2-2b3-
 Fixes #268.</p></li>
 </ul>
 <section id="api-changes">
-<h3>API changes<a class="headerlink" href="#api-changes" title="Link to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#api-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Now, <cite>Table.Cols.__len__()</cite> returns the number of top level columns
 instead of the number of rows in table.  This is more consistent in
@@ -322,7 +320,7 @@ <h3>API changes<a class="headerlink" href="#api-changes" title="Link to this hea
 </section>
 </section>
 <section id="changes-from-2-2b2-to-2-2b3">
-<h2>Changes from 2.2b2 to 2.2b3<a class="headerlink" href="#changes-from-2-2b2-to-2-2b3" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2b2 to 2.2b3<a class="headerlink" href="#changes-from-2-2b2-to-2-2b3" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Blosc compressor has been added as an additional filter, in addition
 to the existing Zlib, LZO and bzip2.  This new compressor is meant for
@@ -342,9 +340,9 @@ <h2>Changes from 2.2b2 to 2.2b3<a class="headerlink" href="#changes-from-2-2b2-t
 </ul>
 </section>
 <section id="changes-from-2-2b1-to-2-2b2">
-<h2>Changes from 2.2b1 to 2.2b2<a class="headerlink" href="#changes-from-2-2b1-to-2-2b2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2b1 to 2.2b2<a class="headerlink" href="#changes-from-2-2b1-to-2-2b2" title="Permalink to this heading">¶</a></h2>
 <section id="enhancements">
-<h3>Enhancements<a class="headerlink" href="#enhancements" title="Link to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#enhancements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Support for HDF5 hard links, soft links and external links (when
 PyTables is compiled against HDF5 1.8.x series).  A new tutorial about
@@ -367,7 +365,7 @@ <h3>Enhancements<a class="headerlink" href="#enhancements" title="Link to this h
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Added missing <cite>_c_classId</cite> attribute to the <cite>UnImplemented</cite> class.
 <code class="docutils literal notranslate"><span class="pre">ptrepack</span></code> no longer chokes while copying <cite>Unimplemented</cite> classes.</p></li>
@@ -381,7 +379,7 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this headi
 </ul>
 </section>
 <section id="id1">
-<h3>API changes<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p><cite>Row.__contains__()</cite> disabled because it has little sense to query for
 a key in Row, and the correct way should be to query for it in
@@ -412,7 +410,7 @@ <h3>API changes<a class="headerlink" href="#id1" title="Link to this heading">¶
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>After some improvements in both HDF5 and PyTables, the limit before
 emitting a <cite>PerformanceWarning</cite> on the number of children in a group
@@ -421,9 +419,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this
 </section>
 </section>
 <section id="changes-from-2-1-1-to-2-2b1">
-<h2>Changes from 2.1.1 to 2.2b1<a class="headerlink" href="#changes-from-2-1-1-to-2-2b1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.1.1 to 2.2b1<a class="headerlink" href="#changes-from-2-1-1-to-2-2b1" title="Permalink to this heading">¶</a></h2>
 <section id="id2">
-<h3>Enhancements<a class="headerlink" href="#id2" title="Link to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p>Added <cite>Expr</cite>, a class for evaluating expressions containing
 array-like objects.  It can evaluate expressions (like ‘3*a+4*b’)
@@ -452,7 +450,7 @@ <h3>Enhancements<a class="headerlink" href="#id2" title="Link to this heading">
 </ul>
 </section>
 <section id="id3">
-<h3>Bugs fixed<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed problems when modifying multidimensional columns in Table
 objects.  Closes #228.</p></li>
@@ -464,7 +462,7 @@ <h3>Bugs fixed<a class="headerlink" href="#id3" title="Link to this heading">¶<
 </ul>
 </section>
 <section id="id4">
-<h3>API changes<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Added a <cite>dtype</cite> attribute for all leaves.  This is the NumPy
 <code class="docutils literal notranslate"><span class="pre">dtype</span></code> that most closely matches the leaf type.  This allows for
@@ -491,7 +489,7 @@ <h3>API changes<a class="headerlink" href="#id4" title="Link to this heading">¶
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h3>
+<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p>After the introduction of the <cite>shape</cite> attribute for <cite>Column</cite>
 objects, the shape information for multidimensional columns has been
diff --git a/release-notes/RELEASE_NOTES_v2.3.x.html b/release-notes/RELEASE_NOTES_v2.3.x.html
index ac426fe..b870c19 100644
--- a/release-notes/RELEASE_NOTES_v2.3.x.html
+++ b/release-notes/RELEASE_NOTES_v2.3.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 2.3 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -128,9 +126,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 2.3 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 2.3 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.3.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -141,7 +139,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-2-3-series">
-<h1>Release notes for PyTables 2.3 series<a class="headerlink" href="#release-notes-for-pytables-2-3-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 2.3 series<a class="headerlink" href="#release-notes-for-pytables-2-3-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables maintainers</p>
@@ -151,7 +149,7 @@ <h1>Release notes for PyTables 2.3 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-3-to-2-3-1">
-<h2>Changes from 2.3 to 2.3.1<a class="headerlink" href="#changes-from-2-3-to-2-3-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.3 to 2.3.1<a class="headerlink" href="#changes-from-2-3-to-2-3-1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Fixed a bug that prevented to read scalar datasets of UnImplemented types
 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/111">gh-111</a>). Thanks to Kamil Kisiel.</p></li>
@@ -161,9 +159,9 @@ <h2>Changes from 2.3 to 2.3.1<a class="headerlink" href="#changes-from-2-3-to-2-
 </ul>
 </section>
 <section id="changes-from-2-2-1-to-2-3">
-<h2>Changes from 2.2.1 to 2.3<a class="headerlink" href="#changes-from-2-2-1-to-2-3" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.2.1 to 2.3<a class="headerlink" href="#changes-from-2-2-1-to-2-3" title="Permalink to this heading">¶</a></h2>
 <section id="features-coming-from-now-liberated-pytables-pro">
-<h3>Features coming from (now liberated) PyTables Pro<a class="headerlink" href="#features-coming-from-now-liberated-pytables-pro" title="Link to this heading">¶</a></h3>
+<h3>Features coming from (now liberated) PyTables Pro<a class="headerlink" href="#features-coming-from-now-liberated-pytables-pro" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>OPSI is a powerful and innovative indexing engine allowing PyTables to
 perform fast queries on arbitrarily large tables. Moreover, it offers a wide
@@ -180,7 +178,7 @@ <h3>Features coming from (now liberated) PyTables Pro<a class="headerlink" href=
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Indexes with no elements are now evaluated as non-CSI ones.  Closes
 #312.</p></li>
@@ -206,7 +204,7 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this
 </ul>
 </section>
 <section id="deprecations">
-<h3>Deprecations<a class="headerlink" href="#deprecations" title="Link to this heading">¶</a></h3>
+<h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h3>
 <p>Support for some old packages and related features has been deprecated
 and will be removed in future versions:</p>
 <ul class="simple">
diff --git a/release-notes/RELEASE_NOTES_v2.4.x.html b/release-notes/RELEASE_NOTES_v2.4.x.html
index 870c9bd..3a47ad6 100644
--- a/release-notes/RELEASE_NOTES_v2.4.x.html
+++ b/release-notes/RELEASE_NOTES_v2.4.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 2.4 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -127,9 +125,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 2.4 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 2.4 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.4.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -140,7 +138,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-2-4-series">
-<h1>Release notes for PyTables 2.4 series<a class="headerlink" href="#release-notes-for-pytables-2-4-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 2.4 series<a class="headerlink" href="#release-notes-for-pytables-2-4-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables maintainers</p>
@@ -150,9 +148,9 @@ <h1>Release notes for PyTables 2.4 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-3-1-to-2-4">
-<h2>Changes from 2.3.1 to 2.4<a class="headerlink" href="#changes-from-2-3-1-to-2-4" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.3.1 to 2.4<a class="headerlink" href="#changes-from-2-3-1-to-2-4" title="Permalink to this heading">¶</a></h2>
 <section id="new-features">
-<h3>New features<a class="headerlink" href="#new-features" title="Link to this heading">¶</a></h3>
+<h3>New features<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Improved HDF5 error logging management:</p>
 <ul>
@@ -183,7 +181,7 @@ <h3>New features<a class="headerlink" href="#new-features" title="Link to this h
 </ul>
 </section>
 <section id="other-improvements">
-<h3>Other improvements<a class="headerlink" href="#other-improvements" title="Link to this heading">¶</a></h3>
+<h3>Other improvements<a class="headerlink" href="#other-improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Dropped support for HDF5 1.6.x. Now PyTables uses the HDF5 1.8 API
 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/105">gh-105</a>).</p></li>
@@ -209,7 +207,7 @@ <h3>Other improvements<a class="headerlink" href="#other-improvements" title="Li
 </ul>
 </section>
 <section id="documentation-improvements">
-<h3>Documentation improvements<a class="headerlink" href="#documentation-improvements" title="Link to this heading">¶</a></h3>
+<h3>Documentation improvements<a class="headerlink" href="#documentation-improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>new cookbook section (contents have been coming from the PyTables wiki
 on <a class="reference external" href="http://www.pytables.org">http://www.pytables.org</a>)</p></li>
@@ -220,7 +218,7 @@ <h3>Documentation improvements<a class="headerlink" href="#documentation-improve
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed a segfault on platforms that do not support unaligned memory access
 (closes: <a class="reference external" href="https://github.com/PyTables/PyTables/issues/134">gh-134</a>).  Thanks to Julian Taylor.</p></li>
@@ -243,7 +241,7 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this headi
 </ul>
 </section>
 <section id="deprecations">
-<h3>Deprecations<a class="headerlink" href="#deprecations" title="Link to this heading">¶</a></h3>
+<h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>The <code class="xref py py-data docutils literal notranslate"><span class="pre">parameters.MAX_THREADS</span></code> configuration parameter is now
 deprecated.  Please use <a class="reference internal" href="../usersguide/parameter_files.html#tables.parameters.MAX_BLOSC_THREADS" title="tables.parameters.MAX_BLOSC_THREADS"><code class="xref py py-data docutils literal notranslate"><span class="pre">parameters.MAX_BLOSC_THREADS</span></code></a> and
diff --git a/release-notes/RELEASE_NOTES_v3.0.x.html b/release-notes/RELEASE_NOTES_v3.0.x.html
index ba84738..6cacff7 100644
--- a/release-notes/RELEASE_NOTES_v3.0.x.html
+++ b/release-notes/RELEASE_NOTES_v3.0.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.0 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -127,9 +125,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.0 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.0 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.0.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -140,7 +138,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-0-series">
-<h1>Release notes for PyTables 3.0 series<a class="headerlink" href="#release-notes-for-pytables-3-0-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.0 series<a class="headerlink" href="#release-notes-for-pytables-3-0-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -150,9 +148,9 @@ <h1>Release notes for PyTables 3.0 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-2-4-to-3-0">
-<h2>Changes from 2.4 to 3.0<a class="headerlink" href="#changes-from-2-4-to-3-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 2.4 to 3.0<a class="headerlink" href="#changes-from-2-4-to-3-0" title="Permalink to this heading">¶</a></h2>
 <section id="new-features">
-<h3>New features<a class="headerlink" href="#new-features" title="Link to this heading">¶</a></h3>
+<h3>New features<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Since this release PyTables provides full support to <a class="reference external" href="http://www.python.org">Python</a> 3
 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/188">gh-188</a>).</p></li>
@@ -193,7 +191,7 @@ <h3>New features<a class="headerlink" href="#new-features" title="Link to this h
 </ul>
 </section>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Improved runtime checks on dynamic loading of libraries: meaningful error
 messages are generated in case of failure.
@@ -225,14 +223,14 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>PyTables now requires Python 2.6 or newer.</p></li>
 <li><p>Minimum supported version of <a class="reference external" href="http://code.google.com/p/numexpr">Numexpr</a> is now 2.0.</p></li>
 </ul>
 </section>
 <section id="api-changes">
-<h3>API changes<a class="headerlink" href="#api-changes" title="Link to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#api-changes" title="Permalink to this heading">¶</a></h3>
 <p>The entire PyTables API as been made more <a class="reference external" href="http://www.python.org/dev/peps/pep-0008">PEP8</a> compliant (see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/224">gh-224</a>).</p>
 <p>This means that many methods, attributes, module global variables and also
 keyword parameters have been renamed to be compliant with <a class="reference external" href="http://www.python.org/dev/peps/pep-0008">PEP8</a> style
@@ -305,7 +303,7 @@ <h3>API changes<a class="headerlink" href="#api-changes" title="Link to this hea
 API to the new one.</p>
 </section>
 <section id="other-possibly-incompatible-changes">
-<h3>Other possibly incompatible changes<a class="headerlink" href="#other-possibly-incompatible-changes" title="Link to this heading">¶</a></h3>
+<h3>Other possibly incompatible changes<a class="headerlink" href="#other-possibly-incompatible-changes" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p>All methods of the <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table" title="tables.Table"><code class="xref py py-class docutils literal notranslate"><span class="pre">Table</span></code></a> class that take <em>start</em>, <em>stop</em> and
 <em>step</em> parameters (including <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.read" title="tables.Table.read"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.read()</span></code></a>, <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Table.where" title="tables.Table.where"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.where()</span></code></a>,
@@ -331,7 +329,7 @@ <h3>Other possibly incompatible changes<a class="headerlink" href="#other-possib
 </ul>
 </section>
 <section id="deprecations">
-<h3>Deprecations<a class="headerlink" href="#deprecations" title="Link to this heading">¶</a></h3>
+<h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>As described in <a class="reference internal" href="#api-changes">API changes</a>, all functions, methods and attribute names
 that was not compliant with the <a class="reference external" href="http://www.python.org/dev/peps/pep-0008">PEP8</a> guidelines have been changed.
@@ -344,7 +342,7 @@ <h3>Deprecations<a class="headerlink" href="#deprecations" title="Link to this h
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Better check access on closed files (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/62">gh-62</a>)</p></li>
 <li><p>Fix for <code class="xref py py-meth docutils literal notranslate"><span class="pre">File.renameNode()</span></code> where in certain cases
diff --git a/release-notes/RELEASE_NOTES_v3.1.x.html b/release-notes/RELEASE_NOTES_v3.1.x.html
index 75ccc6a..1779b35 100644
--- a/release-notes/RELEASE_NOTES_v3.1.x.html
+++ b/release-notes/RELEASE_NOTES_v3.1.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Changes from 3.1.0 to 3.1.1 &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -135,9 +133,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Changes from 3.1.0 to 3.1.1</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Changes from 3.1.0 to 3.1.1</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.1.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -148,9 +146,9 @@
            <div itemprop="articleBody">
              
   <section id="changes-from-3-1-0-to-3-1-1">
-<h1>Changes from 3.1.0 to 3.1.1<a class="headerlink" href="#changes-from-3-1-0-to-3-1-1" title="Link to this heading">¶</a></h1>
+<h1>Changes from 3.1.0 to 3.1.1<a class="headerlink" href="#changes-from-3-1-0-to-3-1-1" title="Permalink to this heading">¶</a></h1>
 <section id="bugs-fixed">
-<h2>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h2>
+<h2>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Fixed a critical bug that caused an exception at import time.
 The error was triggered when a bug in long-double detection is detected
@@ -162,7 +160,7 @@ <h2>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this headi
 </ul>
 </section>
 <section id="improvements">
-<h2>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h2>
+<h2>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Do not create a temporary array when the <em>obj</em> parameter is not specified
 in <code class="xref py py-meth docutils literal notranslate"><span class="pre">File.create_array()</span></code> (thanks to Francesc).
@@ -179,9 +177,9 @@ <h2>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </section>
 </section>
 <section id="changes-from-3-0-to-3-1-0">
-<h1>Changes from 3.0 to 3.1.0<a class="headerlink" href="#changes-from-3-0-to-3-1-0" title="Link to this heading">¶</a></h1>
+<h1>Changes from 3.0 to 3.1.0<a class="headerlink" href="#changes-from-3-0-to-3-1-0" title="Permalink to this heading">¶</a></h1>
 <section id="new-features">
-<h2>New features<a class="headerlink" href="#new-features" title="Link to this heading">¶</a></h2>
+<h2>New features<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Now PyTables is able to save/restore the default value of <code class="xref py py-class docutils literal notranslate"><span class="pre">EnumAtom</span></code>
 types (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/234">gh-234</a>).</p></li>
@@ -202,7 +200,7 @@ <h2>New features<a class="headerlink" href="#new-features" title="Link to this h
 </ul>
 </section>
 <section id="id1">
-<h2>Improvements<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h2>
+<h2>Improvements<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>The node caching mechanism has been completely redesigned to be simpler and
 less dependent from specific behaviours of the <code class="docutils literal notranslate"><span class="pre">__del__</span></code> method.
@@ -243,7 +241,7 @@ <h2>Improvements<a class="headerlink" href="#id1" title="Link to this heading">
 </ul>
 </section>
 <section id="id2">
-<h2>Bugs fixed<a class="headerlink" href="#id2" title="Link to this heading">¶</a></h2>
+<h2>Bugs fixed<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Fixed detection of platforms supporting <a class="reference external" href="http://www.blosc.org">Blosc</a>.</p></li>
 <li><p>Fixed a crash that occurred when one attempts to write a <a class="reference external" href="http://www.numpy.org">numpy</a> array to
@@ -270,7 +268,7 @@ <h2>Bugs fixed<a class="headerlink" href="#id2" title="Link to this heading">¶<
 </ul>
 </section>
 <section id="deprecations">
-<h2>Deprecations<a class="headerlink" href="#deprecations" title="Link to this heading">¶</a></h2>
+<h2>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h2>
 <p>Following the plan for the complete transition to the new (<a class="reference external" href="http://www.python.org/dev/peps/pep-0008">PEP8</a> compliant)
 API, all calls to the old API will raise a <code class="xref py py-exc docutils literal notranslate"><span class="pre">DeprecationWarning</span></code>.</p>
 <p>The new API has been introduced in PyTables 3.0 and is backward incompatible.
@@ -280,7 +278,7 @@ <h2>Deprecations<a class="headerlink" href="#deprecations" title="Link to this h
 <a class="reference external" href="https://github.com/PyTables/PyTables/issues/224">gh-224</a>.</p>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link to this heading">¶</a></h2>
+<h2>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
 <p>In PyTables &lt;= 3.0 file handles (objects that are returned by the
 <code class="xref py py-func docutils literal notranslate"><span class="pre">open_file()</span></code> function) were stored in an internal registry and re-used
 when possible.</p>
diff --git a/release-notes/RELEASE_NOTES_v3.2.x.html b/release-notes/RELEASE_NOTES_v3.2.x.html
index 4466150..5d54691 100644
--- a/release-notes/RELEASE_NOTES_v3.2.x.html
+++ b/release-notes/RELEASE_NOTES_v3.2.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.2 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -132,9 +130,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.2 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.2 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.2.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -145,7 +143,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-2-series">
-<h1>Release notes for PyTables 3.2 series<a class="headerlink" href="#release-notes-for-pytables-3-2-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.2 series<a class="headerlink" href="#release-notes-for-pytables-3-2-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -155,13 +153,13 @@ <h1>Release notes for PyTables 3.2 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-3-2-3-to-3-2-3-1">
-<h2>Changes from 3.2.3 to 3.2.3.1<a class="headerlink" href="#changes-from-3-2-3-to-3-2-3-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.2.3 to 3.2.3.1<a class="headerlink" href="#changes-from-3-2-3-to-3-2-3-1" title="Permalink to this heading">¶</a></h2>
 <p>Fixed issues with pip install.</p>
 </section>
 <section id="changes-from-3-2-2-to-3-2-3">
-<h2>Changes from 3.2.2 to 3.2.3<a class="headerlink" href="#changes-from-3-2-2-to-3-2-3" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.2.2 to 3.2.3<a class="headerlink" href="#changes-from-3-2-2-to-3-2-3" title="Permalink to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>It is now possible to use HDF5 with the new shared library naming scheme
 (&gt;= 1.8.10, hdf5.dll instead of hdf5dll.dll) on Windows (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/540">gh-540</a>).
@@ -172,7 +170,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Only run <cite>tables.tests.test_basics.UnicodeFilename</cite> if the filesystem
 encoding is utf-8. Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/485">gh-485</a>.</p></li>
@@ -194,16 +192,16 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this headi
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Minimum <a class="reference external" href="http://cython.org">Cython</a> version is now v0.21</p></li>
 </ul>
 </section>
 </section>
 <section id="changes-from-3-2-1-1-to-3-2-2">
-<h2>Changes from 3.2.1.1 to 3.2.2<a class="headerlink" href="#changes-from-3-2-1-1-to-3-2-2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.2.1.1 to 3.2.2<a class="headerlink" href="#changes-from-3-2-1-1-to-3-2-2" title="Permalink to this heading">¶</a></h2>
 <section id="bug-fixed">
-<h3>Bug fixed<a class="headerlink" href="#bug-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bug fixed<a class="headerlink" href="#bug-fixed" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fix AssertionError in Row.__init_loop. See <a class="reference external" href="https://github.com/PyTables/PyTables/issues/477">gh-477</a>.</p></li>
 <li><p>Fix issues with Cython 0.23. See <a class="reference external" href="https://github.com/PyTables/PyTables/issues/481">gh-481</a>.</p></li>
@@ -217,30 +215,30 @@ <h3>Bug fixed<a class="headerlink" href="#bug-fixed" title="Link to this heading
 </section>
 </section>
 <section id="changes-from-3-2-1-to-3-2-1-1">
-<h2>Changes from 3.2.1 to 3.2.1.1<a class="headerlink" href="#changes-from-3-2-1-to-3-2-1-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.2.1 to 3.2.1.1<a class="headerlink" href="#changes-from-3-2-1-to-3-2-1-1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Fix permission on distributed source distribution</p></li>
 </ul>
 <section id="id1">
-<h3>Other changes<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Minimum <a class="reference external" href="http://cython.org">Cython</a> version is now v0.21</p></li>
 </ul>
 </section>
 </section>
 <section id="changes-from-3-2-0-to-3-2-1">
-<h2>Changes from 3.2.0 to 3.2.1<a class="headerlink" href="#changes-from-3-2-0-to-3-2-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.2.0 to 3.2.1<a class="headerlink" href="#changes-from-3-2-0-to-3-2-1" title="Permalink to this heading">¶</a></h2>
 <section id="id3">
-<h3>Bug fixed<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
+<h3>Bug fixed<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fix indexesextension._keysort. Fixes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/455">gh-455</a>. Thanks to Andrew Lin.</p></li>
 </ul>
 </section>
 </section>
 <section id="changes-from-3-1-1-to-3-2-0">
-<h2>Changes from 3.1.1 to 3.2.0<a class="headerlink" href="#changes-from-3-1-1-to-3-2-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.1.1 to 3.2.0<a class="headerlink" href="#changes-from-3-1-1-to-3-2-0" title="Permalink to this heading">¶</a></h2>
 <section id="id4">
-<h3>Improvements<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>The <cite>nrowsinbuf</cite> is better computed now for EArray/CArray having
 a small <cite>chunkshape</cite> in the main dimension.  Fixes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/285">gh-285</a>.</p></li>
@@ -319,7 +317,7 @@ <h3>Improvements<a class="headerlink" href="#id4" title="Link to this heading">
 </ul>
 </section>
 <section id="id5">
-<h3>Bugs fixed<a class="headerlink" href="#id5" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id5" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed compatibility problems with numpy 1.9 and 1.10-dev
 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/362">gh-362</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/366">gh-366</a>).</p></li>
@@ -355,7 +353,7 @@ <h3>Bugs fixed<a class="headerlink" href="#id5" title="Link to this heading">¶<
 </ul>
 </section>
 <section id="id6">
-<h3>Other changes<a class="headerlink" href="#id6" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id6" title="Permalink to this heading">¶</a></h3>
 <ul>
 <li><p>Cython is not a hard dependency anymore (although developers will need it
 so as to generated the C extension code).</p></li>
diff --git a/release-notes/RELEASE_NOTES_v3.3.x.html b/release-notes/RELEASE_NOTES_v3.3.x.html
index 2a56649..ae2bec3 100644
--- a/release-notes/RELEASE_NOTES_v3.3.x.html
+++ b/release-notes/RELEASE_NOTES_v3.3.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.3 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -127,9 +125,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.3 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.3 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.3.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -140,11 +138,11 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-3-series">
-<h1>Release notes for PyTables 3.3 series<a class="headerlink" href="#release-notes-for-pytables-3-3-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.3 series<a class="headerlink" href="#release-notes-for-pytables-3-3-series" title="Permalink to this heading">¶</a></h1>
 <section id="changes-from-3-2-3-1-to-3-3-0">
-<h2>Changes from 3.2.3.1 to 3.3.0<a class="headerlink" href="#changes-from-3-2-3-1-to-3-3-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.2.3.1 to 3.3.0<a class="headerlink" href="#changes-from-3-2-3-1-to-3-3-0" title="Permalink to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Single codebase Python 2 and 3 support (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/493">gh-493</a>).</p></li>
 <li><p>Internal Blosc version updated to 1.11.1 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/541">gh-541</a>).</p></li>
@@ -165,7 +163,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>On python 3 try ‘latin1’ encoding before ‘bytes’ encoding during unpickling
 of node attributes pickled on python 2. Better fix for <a class="reference external" href="https://github.com/PyTables/PyTables/issues/560">gh-560</a>.</p></li>
diff --git a/release-notes/RELEASE_NOTES_v3.4.x.html b/release-notes/RELEASE_NOTES_v3.4.x.html
index 0158ae8..b505d97 100644
--- a/release-notes/RELEASE_NOTES_v3.4.x.html
+++ b/release-notes/RELEASE_NOTES_v3.4.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.4 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -131,9 +129,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.4 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.4 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.4.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -144,11 +142,11 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-4-series">
-<h1>Release notes for PyTables 3.4 series<a class="headerlink" href="#release-notes-for-pytables-3-4-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.4 series<a class="headerlink" href="#release-notes-for-pytables-3-4-series" title="Permalink to this heading">¶</a></h1>
 <section id="changes-from-3-4-3-to-3-4-4">
-<h2>Changes from 3.4.3 to 3.4.4<a class="headerlink" href="#changes-from-3-4-3-to-3-4-4" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.4.3 to 3.4.4<a class="headerlink" href="#changes-from-3-4-3-to-3-4-4" title="Permalink to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Environment variable to control the use of embedded libraries.
@@ -159,7 +157,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </div></blockquote>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Fixed import error with numexpr 2.6.5.dev0
@@ -175,9 +173,9 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this headi
 </section>
 </section>
 <section id="changes-from-3-4-2-to-3-4-3">
-<h2>Changes from 3.4.2 to 3.4.3<a class="headerlink" href="#changes-from-3-4-2-to-3-4-3" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.4.2 to 3.4.3<a class="headerlink" href="#changes-from-3-4-2-to-3-4-3" title="Permalink to this heading">¶</a></h2>
 <section id="id1">
-<h3>Improvements<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>On interactive python sessions, group/attribute  <cite>__dir__()</cite> method
@@ -202,7 +200,7 @@ <h3>Improvements<a class="headerlink" href="#id1" title="Link to this heading">
 </div></blockquote>
 </section>
 <section id="id2">
-<h3>Bugs fixed<a class="headerlink" href="#id2" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Fixed division by zero when using <cite>_convert_time64()</cite> with an empty
@@ -219,9 +217,9 @@ <h3>Bugs fixed<a class="headerlink" href="#id2" title="Link to this heading">¶<
 </section>
 </section>
 <section id="changes-from-3-4-1-to-3-4-2">
-<h2>Changes from 3.4.1 to 3.4.2<a class="headerlink" href="#changes-from-3-4-1-to-3-4-2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.4.1 to 3.4.2<a class="headerlink" href="#changes-from-3-4-1-to-3-4-2" title="Permalink to this heading">¶</a></h2>
 <section id="id3">
-<h3>Improvements<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>setup.py detects conda env and uses installed conda (hdf5, bzip2, lzo
@@ -230,7 +228,7 @@ <h3>Improvements<a class="headerlink" href="#id3" title="Link to this heading">
 </div></blockquote>
 </section>
 <section id="id4">
-<h3>Bugs fixed<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Linux wheels now built against built-in blosc.</p></li>
@@ -241,9 +239,9 @@ <h3>Bugs fixed<a class="headerlink" href="#id4" title="Link to this heading">¶<
 </section>
 </section>
 <section id="changes-from-3-4-0-to-3-4-1">
-<h2>Changes from 3.4.0 to 3.4.1<a class="headerlink" href="#changes-from-3-4-0-to-3-4-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.4.0 to 3.4.1<a class="headerlink" href="#changes-from-3-4-0-to-3-4-1" title="Permalink to this heading">¶</a></h2>
 <section id="id5">
-<h3>Bugs fixed<a class="headerlink" href="#id5" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id5" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Fixed bug in ptrepack</p></li>
@@ -252,9 +250,9 @@ <h3>Bugs fixed<a class="headerlink" href="#id5" title="Link to this heading">¶<
 </section>
 </section>
 <section id="changes-from-3-3-0-to-3-4-0">
-<h2>Changes from 3.3.0 to 3.4.0<a class="headerlink" href="#changes-from-3-3-0-to-3-4-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.3.0 to 3.4.0<a class="headerlink" href="#changes-from-3-3-0-to-3-4-0" title="Permalink to this heading">¶</a></h2>
 <section id="id6">
-<h3>Improvements<a class="headerlink" href="#id6" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id6" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Support for HDF5 v1.10.x (see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/582">gh-582</a>).</p></li>
@@ -268,7 +266,7 @@ <h3>Improvements<a class="headerlink" href="#id6" title="Link to this heading">
 </div></blockquote>
 </section>
 <section id="id7">
-<h3>Bugs fixed<a class="headerlink" href="#id7" title="Link to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id7" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Fix conversion of python 2 <cite>long</cite> type to <cite>six.integer_types</cite> in atom.py.
diff --git a/release-notes/RELEASE_NOTES_v3.5.x.html b/release-notes/RELEASE_NOTES_v3.5.x.html
index ad27cb0..5b31b53 100644
--- a/release-notes/RELEASE_NOTES_v3.5.x.html
+++ b/release-notes/RELEASE_NOTES_v3.5.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.5 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
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   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -129,9 +127,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.5 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.5 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.5.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -142,7 +140,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-5-series">
-<h1>Release notes for PyTables 3.5 series<a class="headerlink" href="#release-notes-for-pytables-3-5-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.5 series<a class="headerlink" href="#release-notes-for-pytables-3-5-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -152,7 +150,7 @@ <h1>Release notes for PyTables 3.5 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-3-5-1-to-3-5-2">
-<h2>Changes from 3.5.1 to 3.5.2<a class="headerlink" href="#changes-from-3-5-1-to-3-5-2" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.5.1 to 3.5.2<a class="headerlink" href="#changes-from-3-5-1-to-3-5-2" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Fixed compatibility with python 3.8: Fixed <cite>Dictionary keys changed during
 iteration</cite> RuntimeError while moving/renaming a node.
@@ -164,15 +162,15 @@ <h2>Changes from 3.5.1 to 3.5.2<a class="headerlink" href="#changes-from-3-5-1-t
 </ul>
 </section>
 <section id="changes-from-3-5-0-to-3-5-1">
-<h2>Changes from 3.5.0 to 3.5.1<a class="headerlink" href="#changes-from-3-5-0-to-3-5-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.5.0 to 3.5.1<a class="headerlink" href="#changes-from-3-5-0-to-3-5-1" title="Permalink to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>Maintenance release to fix how PyPi repo is handling wheel versions.</p></li>
 </ul>
 </section>
 <section id="changes-from-3-4-4-to-3-5-0">
-<h2>Changes from 3.4.4 to 3.5.0<a class="headerlink" href="#changes-from-3-4-4-to-3-5-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.4.4 to 3.5.0<a class="headerlink" href="#changes-from-3-4-4-to-3-5-0" title="Permalink to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>When copying data from native HDF5 files with padding in compound types,
diff --git a/release-notes/RELEASE_NOTES_v3.6.x.html b/release-notes/RELEASE_NOTES_v3.6.x.html
index 853f86b..e324a14 100644
--- a/release-notes/RELEASE_NOTES_v3.6.x.html
+++ b/release-notes/RELEASE_NOTES_v3.6.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.6 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -128,9 +126,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.6 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.6 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.6.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -141,7 +139,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-6-series">
-<h1>Release notes for PyTables 3.6 series<a class="headerlink" href="#release-notes-for-pytables-3-6-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.6 series<a class="headerlink" href="#release-notes-for-pytables-3-6-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -151,14 +149,14 @@ <h1>Release notes for PyTables 3.6 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-3-6-0-to-3-6-1">
-<h2>Changes from 3.6.0 to 3.6.1<a class="headerlink" href="#changes-from-3-6-0-to-3-6-1" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.6.0 to 3.6.1<a class="headerlink" href="#changes-from-3-6-0-to-3-6-1" title="Permalink to this heading">¶</a></h2>
 <p>Maintenance release to fix packaging issues. No new features or bugfixes.</p>
 </section>
 <section id="changes-from-3-5-3-to-3-6-0">
-<h2>Changes from 3.5.3 to 3.6.0<a class="headerlink" href="#changes-from-3-5-3-to-3-6-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.5.3 to 3.6.0<a class="headerlink" href="#changes-from-3-5-3-to-3-6-0" title="Permalink to this heading">¶</a></h2>
 <p>PyTables 3.6 no longer supports Python 2.7, see <a class="reference external" href="https://github.com/PyTables/PyTables/pull/747">gh-747</a>.</p>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Full python 3.8 support.</p></li>
 <li><p>On Windows PyTables wheels on PyPI are linked to <cite>pytables_hdf5.dll</cite> instead
@@ -172,7 +170,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </ul>
 </section>
 <section id="bugfixes">
-<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link to this heading">¶</a></h3>
+<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Bugfix for HDF5 files/types with padding. For details see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/734">gh-734</a>.</p></li>
 <li><p>More fixes for python 3.8 compatibility: Replace deprecated time.clock
diff --git a/release-notes/RELEASE_NOTES_v3.7.x.html b/release-notes/RELEASE_NOTES_v3.7.x.html
index 14a6cdf..a87d0a3 100644
--- a/release-notes/RELEASE_NOTES_v3.7.x.html
+++ b/release-notes/RELEASE_NOTES_v3.7.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.7 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
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@@ -127,9 +125,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.7 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.7 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.7.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -140,7 +138,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-7-series">
-<h1>Release notes for PyTables 3.7 series<a class="headerlink" href="#release-notes-for-pytables-3-7-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.7 series<a class="headerlink" href="#release-notes-for-pytables-3-7-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -150,9 +148,9 @@ <h1>Release notes for PyTables 3.7 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-3-6-1-to-3-7-0">
-<h2>Changes from 3.6.1 to 3.7.0<a class="headerlink" href="#changes-from-3-6-1-to-3-7-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.6.1 to 3.7.0<a class="headerlink" href="#changes-from-3-6-1-to-3-7-0" title="Permalink to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Compatibility with Python 3.10, numpy 1.21 and HDF5 1.12.</p></li>
 <li><p>Support for Python 3.5 has been dropped (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/840">gh-840</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/850">gh-850</a>).</p></li>
@@ -180,7 +178,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </ul>
 </section>
 <section id="bugfixes">
-<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link to this heading">¶</a></h3>
+<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fix <cite>pkg-config</cite> (<cite>setup.py</cite>) for Python 3.9 on Debian.
 Thanks to Marco Sulla (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/792">gh-792</a>).</p></li>
@@ -189,7 +187,7 @@ <h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link to this heading">
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Drop the deprecated <cite>hdf5Version</cite> and <cite>File.open_count</cite>.</p></li>
 <li><p>the <code class="xref py py-func docutils literal notranslate"><span class="pre">get_tables_version()</span></code> and <code class="xref py py-func docutils literal notranslate"><span class="pre">get_hdf5_version()</span></code> functions are
diff --git a/release-notes/RELEASE_NOTES_v3.8.x.html b/release-notes/RELEASE_NOTES_v3.8.x.html
index 63dbd2f..e98c05c 100644
--- a/release-notes/RELEASE_NOTES_v3.8.x.html
+++ b/release-notes/RELEASE_NOTES_v3.8.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.8 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -127,9 +125,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.8 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.8 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.8.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -140,7 +138,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-8-series">
-<h1>Release notes for PyTables 3.8 series<a class="headerlink" href="#release-notes-for-pytables-3-8-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.8 series<a class="headerlink" href="#release-notes-for-pytables-3-8-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -150,9 +148,9 @@ <h1>Release notes for PyTables 3.8 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-3-7-0-to-3-8-0">
-<h2>Changes from 3.7.0 to 3.8.0<a class="headerlink" href="#changes-from-3-7-0-to-3-8-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.7.0 to 3.8.0<a class="headerlink" href="#changes-from-3-7-0-to-3-8-0" title="Permalink to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Support for Python 3.11 has been added (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/962">gh-962</a>).</p></li>
 <li><p>Support for Python 3.6 and Python 3.7 has been dropped (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/966">gh-966</a>).</p></li>
@@ -166,7 +164,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Starting form this release, C source files generated by Cython are no
 longer included in the source distribution package.</p></li>
diff --git a/release-notes/RELEASE_NOTES_v3.9.x.html b/release-notes/RELEASE_NOTES_v3.9.x.html
index 6ca8d63..853c8f7 100644
--- a/release-notes/RELEASE_NOTES_v3.9.x.html
+++ b/release-notes/RELEASE_NOTES_v3.9.x.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Release notes for PyTables 3.9 series &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -127,9 +125,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../release_notes.html">PyTables Release Notes</a></li>
-      <li class="breadcrumb-item active">Release notes for PyTables 3.9 series</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
+      <li>Release notes for PyTables 3.9 series</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.9.x.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -140,7 +138,7 @@
            <div itemprop="articleBody">
              
   <section id="release-notes-for-pytables-3-9-series">
-<h1>Release notes for PyTables 3.9 series<a class="headerlink" href="#release-notes-for-pytables-3-9-series" title="Link to this heading">¶</a></h1>
+<h1>Release notes for PyTables 3.9 series<a class="headerlink" href="#release-notes-for-pytables-3-9-series" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -150,9 +148,9 @@ <h1>Release notes for PyTables 3.9 series<a class="headerlink" href="#release-no
 </dd>
 </dl>
 <section id="changes-from-3-8-0-to-3-9-0">
-<h2>Changes from 3.8.0 to 3.9.0<a class="headerlink" href="#changes-from-3-8-0-to-3-9-0" title="Link to this heading">¶</a></h2>
+<h2>Changes from 3.8.0 to 3.9.0<a class="headerlink" href="#changes-from-3-8-0-to-3-9-0" title="Permalink to this heading">¶</a></h2>
 <section id="new-features">
-<h3>New features<a class="headerlink" href="#new-features" title="Link to this heading">¶</a></h3>
+<h3>New features<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Apply optimized slice read to Blosc2-compressed <cite>CArray</cite> and <cite>EArray</cite>, with
 Blosc2 NDim 2-level partitioning for multidimensional arrays (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1056">gh-1056</a>).
@@ -167,7 +165,7 @@ <h3>New features<a class="headerlink" href="#new-features" title="Link to this h
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Add support for the forthcoming Python 3.12 with binary wheels and automated
 testing.</p></li>
@@ -180,7 +178,7 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Link to this
 </ul>
 </section>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Use <cite>H5Dchunk_iter</cite> (when available) to speed up walking over many chunks in
 a very large table, as well as with random reads (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/991">gh-991</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/pull/997">gh-997</a>,
@@ -216,7 +214,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Link to this h
 </ul>
 </section>
 <section id="bugfixes">
-<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link to this heading">¶</a></h3>
+<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fix crash in Blosc2 optimized path with large tables (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/995">gh-995</a> and
 <a class="reference external" href="https://github.com/PyTables/PyTables/pull/996">gh-996</a>).  Thanks to Francesc Alted.</p></li>
@@ -239,7 +237,7 @@ <h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link to this heading">
 </ul>
 </section>
 <section id="thanks">
-<h3>Thanks<a class="headerlink" href="#thanks" title="Link to this heading">¶</a></h3>
+<h3>Thanks<a class="headerlink" href="#thanks" title="Permalink to this heading">¶</a></h3>
 <p>In alphabetical order:</p>
 <ul class="simple">
 <li><p>Adrian Altenhoff</p></li>
diff --git a/release_notes.html b/release_notes.html
index dddeb9a..e01156b 100644
--- a/release_notes.html
+++ b/release_notes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables Release Notes &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="index.html">
-            
-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -133,8 +131,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">PyTables Release Notes</li>
+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>PyTables Release Notes</li>
       <li class="wy-breadcrumbs-aside">
             <a href="_sources/release_notes.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -145,9 +143,9 @@
            <div itemprop="articleBody">
              
   <section id="pytables-release-notes">
-<h1>PyTables Release Notes<a class="headerlink" href="#pytables-release-notes" title="Link to this heading">¶</a></h1>
+<h1>PyTables Release Notes<a class="headerlink" href="#pytables-release-notes" title="Permalink to this heading">¶</a></h1>
 <section id="migration">
-<h2>Migration<a class="headerlink" href="#migration" title="Link to this heading">¶</a></h2>
+<h2>Migration<a class="headerlink" href="#migration" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="MIGRATING_TO_3.x.html">Migrating from 2.x to 3.x</a></li>
@@ -156,7 +154,7 @@ <h2>Migration<a class="headerlink" href="#migration" title="Link to this heading
 </div>
 </section>
 <section id="pytables">
-<h2>PyTables<a class="headerlink" href="#pytables" title="Link to this heading">¶</a></h2>
+<h2>PyTables<a class="headerlink" href="#pytables" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
@@ -196,7 +194,7 @@ <h2>PyTables<a class="headerlink" href="#pytables" title="Link to this heading">
 </div>
 </section>
 <section id="pytables-pro">
-<h2>PyTables Pro<a class="headerlink" href="#pytables-pro" title="Link to this heading">¶</a></h2>
+<h2>PyTables Pro<a class="headerlink" href="#pytables-pro" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v2.2.x-pro.html">Release notes for PyTables 2.2 series</a></li>
@@ -206,12 +204,12 @@ <h2>PyTables Pro<a class="headerlink" href="#pytables-pro" title="Link to this h
 </div>
 </section>
 <section id="release-timeline">
-<h2>Release timeline<a class="headerlink" href="#release-timeline" title="Link to this heading">¶</a></h2>
+<h2>Release timeline<a class="headerlink" href="#release-timeline" title="Permalink to this heading">¶</a></h2>
 <table class="docutils align-default">
 <tbody>
 <tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.9.0</p></td>
-<td><p>2023-10-04</p></td>
+<td><p>2023-10-05</p></td>
 </tr>
 <tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.8.0</p></td>
diff --git a/search.html b/search.html
index 23c46f8..9c8e28d 100644
--- a/search.html
+++ b/search.html
@@ -12,9 +12,11 @@
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="_static/doctools.js?v=888ff710"></script>
-        <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
+        <script src="_static/jquery.js"></script>
+        <script src="_static/underscore.js"></script>
+        <script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="_static/doctools.js"></script>
     <script src="_static/js/theme.js"></script>
     <script src="_static/searchtools.js"></script>
     <script src="_static/language_data.js"></script>
@@ -39,19 +41,15 @@
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-              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="index.html">
+            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+    <input type="text" name="q" placeholder="Search docs" />
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@@ -83,8 +81,8 @@
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+      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
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diff --git a/searchindex.js b/searchindex.js
index cb6fa48..9460073 100644
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"contents"]], "In-memory HDF5 files": [[6, "in-memory-hdf5-files"]], "Open an existing file in memory": [[6, "open-an-existing-file-in-memory"]], "Creating a new file in memory": [[6, "creating-a-new-file-in-memory"]], "Backing store": [[6, "backing-store"]], "Memory images of HDF5 files": [[6, "memory-images-of-hdf5-files"]], "Installing PyTables when you\u2019re not root": [[7, "installing-pytables-when-you-re-not-root"]], "Installing HDF5": [[7, "installing-hdf5"]], "Installing NumPy": [[7, "installing-numpy"]], "Python wrapper script": [[7, "python-wrapper-script"]], "Installing PyTables": [[7, "installing-pytables"]], "Running Python with PyTables support": [[7, "running-python-with-pytables-support"]], "Concluding remarks": [[7, "concluding-remarks"]], "How to integrate PyTables in your application by using py2exe": [[8, "how-to-integrate-pytables-in-your-application-by-using-py2exe"]], "SimpleTable: simple wrapper around the Table object": [[9, "simpletable-simple-wrapper-around-the-table-object"]], "Tailoring atexit hooks": [[10, "tailoring-atexit-hooks"]], "Threading": [[11, "threading"]], "Background": [[11, "background"]], "A common schema for concurrency": [[11, "a-common-schema-for-concurrency"]], "Very simple solution": [[11, "very-simple-solution"]], "Monkey-patching PyTables": [[11, "monkey-patching-pytables"]], "PyTables Governance Team": [[12, "pytables-governance-team"]], "PyTables Development": [[13, "pytables-development"]], "Downloads": [[14, "downloads"]], "Stable Versions": [[14, "stable-versions"]], "Bleeding Edge Versions": [[14, "bleeding-edge-versions"]], "Welcome to PyTables\u2019 documentation!": [[15, "welcome-to-pytables-documentation"]], "Helpful Links": [[15, "helpful-links"]], "Other Material": [[16, "other-material"]], "Videos": [[16, "videos"]], "Presentations": [[16, "presentations"]], "Reports": [[16, "reports"]], "Other sources for examples": [[16, "other-sources-for-examples"]], "Project pointers": [[17, "project-pointers"]], "PyTables 0.7.1 is out!": [[18, "pytables-0-7-1-is-out"]], "What\u2019s new in PyTables 0.7.2": [[19, "what-s-new-in-pytables-0-7-2"]], "What\u2019s new in PyTables 0.8": [[20, "what-s-new-in-pytables-0-8"]], "What\u2019s new in PyTables 0.9": [[21, "what-s-new-in-pytables-0-9"]], "New features:": [[21, "new-features"]], "Improvements:": [[21, "improvements"]], "Backward-incompatible API changes:": [[21, "backward-incompatible-api-changes"]], "Bug fixes:": [[21, "bug-fixes"]], "What\u2019s new in PyTables 0.9.1": [[22, "what-s-new-in-pytables-0-9-1"]], "What\u2019s new in PyTables 1.0": [[23, "what-s-new-in-pytables-1-0"]], "API additions": [[23, "api-additions"], [24, "api-additions"], [25, "api-additions"], [26, "api-additions"], [27, "api-additions"], [28, "api-additions"], [29, "api-additions"], [30, "api-additions"], [31, "api-additions"], [32, "api-additions"], [33, "api-additions"], [34, "api-additions"], [35, "api-additions"], [36, "api-additions"]], "Backward-incompatible changes": [[23, "backward-incompatible-changes"], [24, "backward-incompatible-changes"], [25, "backward-incompatible-changes"], [26, "backward-incompatible-changes"], [27, "backward-incompatible-changes"], [28, "backward-incompatible-changes"], [29, "backward-incompatible-changes"], [30, "backward-incompatible-changes"], [31, "backward-incompatible-changes"], [32, "backward-incompatible-changes"], [33, "backward-incompatible-changes"], [34, "backward-incompatible-changes"], [35, "backward-incompatible-changes"], [36, "backward-incompatible-changes"]], "API refinements": [[23, "api-refinements"], [24, "api-refinements"], [25, "api-refinements"], [26, "api-refinements"], [27, "api-refinements"], [28, "api-refinements"], [29, "api-refinements"], [30, "api-refinements"], [31, "api-refinements"], [32, "api-refinements"], [33, "api-refinements"], [34, "api-refinements"], [35, "api-refinements"], [36, "api-refinements"]], "Bug fixes (affecting API)": [[23, "bug-fixes-affecting-api"], [24, "bug-fixes-affecting-api"], [25, "bug-fixes-affecting-api"], [26, "bug-fixes-affecting-api"], [27, "bug-fixes-affecting-api"], [28, "bug-fixes-affecting-api"], [29, "bug-fixes-affecting-api"], [30, "bug-fixes-affecting-api"], [31, "bug-fixes-affecting-api"], [32, "bug-fixes-affecting-api"], [33, "bug-fixes-affecting-api"], [34, "bug-fixes-affecting-api"]], "What\u2019s new in PyTables 1.1": [[24, "what-s-new-in-pytables-1-1"]], "What\u2019s new in PyTables 1.1.1": [[25, "what-s-new-in-pytables-1-1-1"]], "What\u2019s new in PyTables 1.2": [[26, "what-s-new-in-pytables-1-2"]], "Deprecated features": [[26, "deprecated-features"], [27, "deprecated-features"], [28, "deprecated-features"], [29, "deprecated-features"], [30, "deprecated-features"], [31, "deprecated-features"], [32, "deprecated-features"], [33, "deprecated-features"], [34, "deprecated-features"], [35, "deprecated-features"], [36, "deprecated-features"]], "What\u2019s new in PyTables 1.2.1": [[27, "what-s-new-in-pytables-1-2-1"]], "What\u2019s new in PyTables 1.2.2": [[28, "what-s-new-in-pytables-1-2-2"]], "What\u2019s new in PyTables 1.2.3": [[29, "what-s-new-in-pytables-1-2-3"]], "What\u2019s new in PyTables 1.3": [[30, "what-s-new-in-pytables-1-3"]], "What\u2019s new in PyTables 1.3.1": [[31, "what-s-new-in-pytables-1-3-1"]], "What\u2019s new in PyTables 1.3.2": [[32, "what-s-new-in-pytables-1-3-2"]], "What\u2019s new in PyTables 1.3.3": [[33, "what-s-new-in-pytables-1-3-3"]], "What\u2019s new in PyTables 1.4": [[34, "what-s-new-in-pytables-1-4"]], "Release notes for PyTables 2.0 series": [[35, "release-notes-for-pytables-2-0-series"]], "Changes from 2.0.3 to 2.0.4": [[35, "changes-from-2-0-3-to-2-0-4"], [36, "changes-from-2-0-3-to-2-0-4"]], "Changes from 2.0.2 to 2.0.3": [[35, "changes-from-2-0-2-to-2-0-3"]], "Changes from 2.0.1 to 2.0.2": [[35, "changes-from-2-0-1-to-2-0-2"], [36, "changes-from-2-0-1-to-2-0-2"]], "Changes from 2.0 to 2.0.1": [[35, "changes-from-2-0-to-2-0-1"], [36, "changes-from-2-0-to-2-0-1"]], "Changes from 2.0rc2 to 2.0": [[35, "changes-from-2-0rc2-to-2-0"], [36, "changes-from-2-0rc2-to-2-0"]], "Changes from 2.0rc1 to 2.0rc2": [[35, "changes-from-2-0rc1-to-2-0rc2"], [36, "changes-from-2-0rc1-to-2-0rc2"]], "Changes from 2.0b2 to 2.0rc1": [[35, "changes-from-2-0b2-to-2-0rc1"], [36, "changes-from-2-0b2-to-2-0rc1"]], "Changes from 2.0b1 to 2.0b2": [[35, "changes-from-2-0b1-to-2-0b2"], [36, "changes-from-2-0b1-to-2-0b2"]], "Important changes from 1.4.x to 2.0": [[35, "important-changes-from-1-4-x-to-2-0"]], "Release notes for PyTables Pro 2.0 series": [[36, "release-notes-for-pytables-pro-2-0-series"]], "Changes from 2.0.2.1 to 2.0.3": [[36, "changes-from-2-0-2-1-to-2-0-3"]], "Changes from 2.0.2 to 2.0.2.1": [[36, "changes-from-2-0-2-to-2-0-2-1"]], "Changes from 1.4.x to 2.0b1": [[36, "changes-from-1-4-x-to-2-0b1"]], "Release notes for PyTables 2.1 series": [[37, "release-notes-for-pytables-2-1-series"], [38, "release-notes-for-pytables-2-1-series"]], "Changes from 2.1.1 to 2.1.2": [[37, "changes-from-2-1-1-to-2-1-2"], [38, "changes-from-2-1-1-to-2-1-2"]], "Bug fixes": [[37, "bug-fixes"], [37, "id1"], [38, "bug-fixes"], [38, "id1"]], "Changes from 2.1 to 2.1.1": [[37, "changes-from-2-1-to-2-1-1"], [38, "changes-from-2-1-to-2-1-1"]], "Release notes for PyTables 2.2 series": [[39, "release-notes-for-pytables-2-2-series"], [40, "release-notes-for-pytables-2-2-series"]], "Changes from 2.2.1rc1 to 2.2.1": [[39, "changes-from-2-2-1rc1-to-2-2-1"], [40, "changes-from-2-2-1rc1-to-2-2-1"]], "Changes from 2.2 to 2.2.1rc1": [[39, "changes-from-2-2-to-2-2-1rc1"], [40, "changes-from-2-2-to-2-2-1rc1"]], "Changes from 2.2rc2 to 2.2 (final)": [[39, "changes-from-2-2rc2-to-2-2-final"], [40, "changes-from-2-2rc2-to-2-2-final"]], "Changes from 2.2rc1 to 2.2rc2": [[39, "changes-from-2-2rc1-to-2-2rc2"], [40, "changes-from-2-2rc1-to-2-2rc2"]], "Changes from 2.2b3 to 2.2rc1": [[39, "changes-from-2-2b3-to-2-2rc1"], [40, "changes-from-2-2b3-to-2-2rc1"]], "API changes": [[39, "api-changes"], [39, "id1"], [39, "id4"], [40, "api-changes"], [40, "id1"], [40, "id4"], [43, "api-changes"]], "Changes from 2.2b2 to 2.2b3": [[39, "changes-from-2-2b2-to-2-2b3"], [40, "changes-from-2-2b2-to-2-2b3"]], "Changes from 2.2b1 to 2.2b2": [[39, "changes-from-2-2b1-to-2-2b2"], [40, "changes-from-2-2b1-to-2-2b2"]], "Enhancements": [[39, "enhancements"], [39, "id2"], [40, "enhancements"], [40, "id2"]], "Bugs fixed": [[39, "bugs-fixed"], [39, "id3"], [40, "bugs-fixed"], [40, "id3"], [42, "bugs-fixed"], [43, "bugs-fixed"], [44, "bugs-fixed"], [44, "id2"], [45, "bugs-fixed"], [45, "id5"], [46, "bugs-fixed"], [47, "bugs-fixed"], [47, "id2"], [47, "id4"], [47, "id5"], [47, "id7"]], "Changes from 2.1.1 to 2.2b1": [[39, "changes-from-2-1-1-to-2-2b1"], [40, "changes-from-2-1-1-to-2-2b1"]], "Backward incompatible changes": [[39, "backward-incompatible-changes"], [40, "backward-incompatible-changes"], [44, "backward-incompatible-changes"]], "Release notes for PyTables 2.3 series": [[41, "release-notes-for-pytables-2-3-series"]], "Changes from 2.3 to 2.3.1": [[41, "changes-from-2-3-to-2-3-1"]], "Changes from 2.2.1 to 2.3": [[41, "changes-from-2-2-1-to-2-3"]], "Features coming from (now liberated) PyTables Pro": [[41, "features-coming-from-now-liberated-pytables-pro"]], "Deprecations": [[41, "deprecations"], [42, "deprecations"], [43, "deprecations"], [44, "deprecations"]], "Release notes for PyTables 2.4 series": [[42, "release-notes-for-pytables-2-4-series"]], "Changes from 2.3.1 to 2.4": [[42, "changes-from-2-3-1-to-2-4"]], "New features": [[42, "new-features"], [43, "new-features"], [44, "new-features"], [52, "new-features"]], "Other improvements": [[42, "other-improvements"]], "Documentation improvements": [[42, "documentation-improvements"]], "Release notes for PyTables 3.0 series": [[43, "release-notes-for-pytables-3-0-series"]], "Changes from 2.4 to 3.0": [[43, "changes-from-2-4-to-3-0"]], "Improvements": [[43, "improvements"], [44, "improvements"], [44, "id1"], [45, "improvements"], [45, "id4"], [46, "improvements"], [47, "improvements"], [47, "id1"], [47, "id3"], [47, "id6"], [48, "improvements"], [49, "improvements"], [50, "improvements"], [51, "improvements"], [52, "improvements"]], "Other possibly incompatible changes": [[43, "other-possibly-incompatible-changes"]], "Changes from 3.1.0 to 3.1.1": [[44, "changes-from-3-1-0-to-3-1-1"]], "Changes from 3.0 to 3.1.0": [[44, "changes-from-3-0-to-3-1-0"]], "Release notes for PyTables 3.2 series": [[45, "release-notes-for-pytables-3-2-series"]], "Changes from 3.2.3 to 3.2.3.1": [[45, "changes-from-3-2-3-to-3-2-3-1"]], "Changes from 3.2.2 to 3.2.3": [[45, "changes-from-3-2-2-to-3-2-3"]], "Changes from 3.2.1.1 to 3.2.2": [[45, "changes-from-3-2-1-1-to-3-2-2"]], "Bug fixed": [[45, "bug-fixed"], [45, "id3"]], "Changes from 3.2.1 to 3.2.1.1": [[45, "changes-from-3-2-1-to-3-2-1-1"]], "Changes from 3.2.0 to 3.2.1": [[45, "changes-from-3-2-0-to-3-2-1"]], "Changes from 3.1.1 to 3.2.0": [[45, "changes-from-3-1-1-to-3-2-0"]], "Release notes for PyTables 3.3 series": [[46, "release-notes-for-pytables-3-3-series"]], "Changes from 3.2.3.1 to 3.3.0": [[46, "changes-from-3-2-3-1-to-3-3-0"]], "Release notes for PyTables 3.4 series": [[47, "release-notes-for-pytables-3-4-series"]], "Changes from 3.4.3 to 3.4.4": [[47, "changes-from-3-4-3-to-3-4-4"]], "Changes from 3.4.2 to 3.4.3": [[47, "changes-from-3-4-2-to-3-4-3"]], "Changes from 3.4.1 to 3.4.2": [[47, "changes-from-3-4-1-to-3-4-2"]], "Changes from 3.4.0 to 3.4.1": [[47, "changes-from-3-4-0-to-3-4-1"]], "Changes from 3.3.0 to 3.4.0": [[47, "changes-from-3-3-0-to-3-4-0"]], "Release notes for PyTables 3.5 series": [[48, "release-notes-for-pytables-3-5-series"]], "Changes from 3.5.1 to 3.5.2": [[48, "changes-from-3-5-1-to-3-5-2"]], "Changes from 3.5.0 to 3.5.1": [[48, "changes-from-3-5-0-to-3-5-1"]], "Changes from 3.4.4 to 3.5.0": [[48, "changes-from-3-4-4-to-3-5-0"]], "Release notes for PyTables 3.6 series": [[49, "release-notes-for-pytables-3-6-series"]], "Changes from 3.6.0 to 3.6.1": [[49, "changes-from-3-6-0-to-3-6-1"]], "Changes from 3.5.3 to 3.6.0": [[49, "changes-from-3-5-3-to-3-6-0"]], "Bugfixes": [[49, "bugfixes"], [50, "bugfixes"], [52, "bugfixes"]], "Release notes for PyTables 3.7 series": [[50, "release-notes-for-pytables-3-7-series"]], "Changes from 3.6.1 to 3.7.0": [[50, "changes-from-3-6-1-to-3-7-0"]], "Release notes for PyTables 3.8 series": [[51, "release-notes-for-pytables-3-8-series"]], "Changes from 3.7.0 to 3.8.0": [[51, "changes-from-3-7-0-to-3-8-0"]], "Release notes for PyTables 3.9 series": [[52, "release-notes-for-pytables-3-9-series"]], "Changes from 3.8.0 to 3.9.0": [[52, "changes-from-3-8-0-to-3-9-0"]], "Thanks": [[52, "thanks"]], "PyTables Release Notes": [[53, "pytables-release-notes"]], "Migration": [[53, "migration"]], "PyTables": [[53, "pytables"]], "PyTables Pro": [[53, "pytables-pro"]], "Release timeline": [[53, "release-timeline"]], "Bibliography": [[54, "bibliography"]], "Condition Syntax": [[55, "condition-syntax"]], "Supported data types in PyTables": [[56, "supported-data-types-in-pytables"]], "Data types supported for array elements and tables columns in\n         PyTables.": [[56, "id10"]], "PyTables File Format": [[57, "pytables-file-format"]], "Mandatory attributes for a File": [[57, "mandatory-attributes-for-a-file"]], "Mandatory attributes for a Group": [[57, "mandatory-attributes-for-a-group"]], "Optional attributes for a Group": [[57, "optional-attributes-for-a-group"]], "Mandatory attributes, storage layout and supported data types for Leaves": [[57, "mandatory-attributes-storage-layout-and-supported-data-types-for-leaves"]], "Table format": [[57, "table-format"]], "Mandatory attributes": [[57, "mandatory-attributes"], [57, "id1"], [57, "id4"], [57, "id7"], [57, "id10"]], "Storage Layout": [[57, "storage-layout"], [57, "id2"], [57, "id5"], [57, "id8"], [57, "id11"]], "Datatypes supported": [[57, "datatypes-supported"], [57, "id3"], [57, "id6"], [57, "id9"]], "Array format": [[57, "array-format"]], "CArray format": [[57, "carray-format"]], "EArray format": [[57, "earray-format"]], "VLArray format": [[57, "vlarray-format"]], "Data types supported": [[57, "data-types-supported"]], "Optional attributes for Leaves": [[57, "optional-attributes-for-leaves"]], "filenode - simulating a filesystem with PyTables": [[58, "filenode-simulating-a-filesystem-with-pytables"]], "What is filenode?": [[58, "what-is-filenode"]], "Finding a filenode node": [[58, "finding-a-filenode-node"]], "filenode - simulating files inside PyTables": [[58, "filenode-simulating-files-inside-pytables"]], "Creating a new file node": [[58, "creating-a-new-file-node"]], "Using a file node": [[58, "using-a-file-node"]], "Opening an existing file node": [[58, "opening-an-existing-file-node"]], "Adding metadata to a file node": [[58, "adding-metadata-to-a-file-node"]], "Complementary notes": [[58, "complementary-notes"]], "Current limitations": [[58, "current-limitations"]], "PyTables User\u2019s Guide": [[59, "pytables-user-s-guide"], [76, "pytables-user-s-guide"]], "Hierarchical datasets in Python": [[59, "hierarchical-datasets-in-python"]], "Copyright Notice and Statement for PyTables User\u2019s Guide": [[59, "copyright-notice-and-statement-for-pytables-user-s-guide"]], "Installation": [[60, "installation"]], "Installation from source": [[60, "installation-from-source"]], "Prerequisites": [[60, "prerequisites"]], "PyTables package installation": [[60, "pytables-package-installation"], [60, "id1"]], "Installation with pip": [[60, "installation-with-pip"]], "Binary installation (Windows)": [[60, "binary-installation-windows"]], "Windows prerequisites": [[60, "windows-prerequisites"]], "Introduction": [[61, "introduction"]], "Main Features": [[61, "main-features"]], "The Object Tree": [[61, "the-object-tree"]], "Library Reference": [[62, "library-reference"]], "Declarative classes": [[63, "declarative-classes"]], "The Atom class and its descendants": [[63, "the-atom-class-and-its-descendants"]], "Atom properties": [[63, "atom-properties"]], "Atom methods": [[63, "atom-methods"]], "Atom factory methods": [[63, "atom-factory-methods"]], "Atom Sub-classes": [[63, "atom-sub-classes"]], "Pseudo atoms": [[63, "pseudo-atoms"]], "ObjectAtom": [[63, "objectatom"]], "VLStringAtom": [[63, "vlstringatom"]], "VLUnicodeAtom": [[63, "vlunicodeatom"]], "The Col class and its descendants": [[63, "the-col-class-and-its-descendants"]], "Col instance variables": [[63, "col-instance-variables"]], "Col factory methods": [[63, "col-factory-methods"]], "Col sub-classes": [[63, "col-sub-classes"]], "The IsDescription class": [[63, "the-isdescription-class"]], "Description helper functions": [[63, "description-helper-functions"]], "The AttributeSet class": [[63, "the-attributeset-class"]], "AttributeSet properties": 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-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Bibliography</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Bibliography</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/bibliography.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="bibliography">
-<h1>Bibliography<a class="headerlink" href="#bibliography" title="Link to this heading">¶</a></h1>
+<h1>Bibliography<a class="headerlink" href="#bibliography" title="Permalink to this heading">¶</a></h1>
 <dl class="simple" id="hdfg1">
 <dt><a class="reference internal" href="#hdfg1"><span class="std std-ref">[HDFG1]</span></a></dt><dd><p>The HDF Group. What is HDF5?. Concise description about HDF5 capabilities
 and its differences from earlier versions (HDF4).
diff --git a/usersguide/condition_syntax.html b/usersguide/condition_syntax.html
index 1053cf0..14cdc43 100644
--- a/usersguide/condition_syntax.html
+++ b/usersguide/condition_syntax.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Condition Syntax &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Condition Syntax</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Condition Syntax</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/condition_syntax.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="condition-syntax">
-<span id="id1"></span><h1>Condition Syntax<a class="headerlink" href="#condition-syntax" title="Link to this heading">¶</a></h1>
+<span id="id1"></span><h1>Condition Syntax<a class="headerlink" href="#condition-syntax" title="Permalink to this heading">¶</a></h1>
 <p>Conditions in PyTables are used in methods related with in-kernel and indexed
 searches such as <a class="reference internal" href="libref/structured_storage.html#tables.Table.where" title="tables.Table.where"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.where()</span></code></a> or <a class="reference internal" href="libref/structured_storage.html#tables.Table.read_where" title="tables.Table.read_where"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.read_where()</span></code></a>.
 They are interpreted using Numexpr, a powerful package for achieving C-speed
diff --git a/usersguide/datatypes.html b/usersguide/datatypes.html
index 2f5366c..24cda98 100644
--- a/usersguide/datatypes.html
+++ b/usersguide/datatypes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Supported data types in PyTables &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Supported data types in PyTables</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Supported data types in PyTables</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/datatypes.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="supported-data-types-in-pytables">
-<span id="datatypes"></span><h1>Supported data types in PyTables<a class="headerlink" href="#supported-data-types-in-pytables" title="Link to this heading">¶</a></h1>
+<span id="datatypes"></span><h1>Supported data types in PyTables<a class="headerlink" href="#supported-data-types-in-pytables" title="Permalink to this heading">¶</a></h1>
 <p>All PyTables datasets can handle the complete set of data types supported by
 the NumPy (see <a class="reference internal" href="bibliography.html#numpy"><span class="std std-ref">[NUMPY]</span></a>) package in Python.
 The data types for table fields can be set via instances of the Col class and
@@ -160,7 +158,7 @@
 <p>Here you have a quick reference to the complete set of supported data types:</p>
 <table class="docutils align-default" id="id10">
 <caption><span class="caption-text"><strong>Data types supported for array elements and tables columns in
-         PyTables.</strong></span><a class="headerlink" href="#id10" title="Link to this table">¶</a></caption>
+         PyTables.</strong></span><a class="headerlink" href="#id10" title="Permalink to this table">¶</a></caption>
 <thead>
 <tr class="row-odd"><th class="head"><p>Type Code</p></th>
 <th class="head"><p>Description</p></th>
diff --git a/usersguide/file_format.html b/usersguide/file_format.html
index f78bc5b..81fcad8 100644
--- a/usersguide/file_format.html
+++ b/usersguide/file_format.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables File Format &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">PyTables File Format</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>PyTables File Format</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/file_format.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="pytables-file-format">
-<h1>PyTables File Format<a class="headerlink" href="#pytables-file-format" title="Link to this heading">¶</a></h1>
+<h1>PyTables File Format<a class="headerlink" href="#pytables-file-format" title="Permalink to this heading">¶</a></h1>
 <p>PyTables has a powerful capability to deal with native HDF5 files created
 with another tools. However, there are situations were you may want to create
 truly native PyTables files with those tools while retaining fully
@@ -122,7 +120,7 @@ <h1>PyTables File Format<a class="headerlink" href="#pytables-file-format" title
 PyTables to create a new file, datasets compressed with szip can be read,
 because it is the HDF5 library which do the decompression transparently).</p>
 <section id="mandatory-attributes-for-a-file">
-<h2>Mandatory attributes for a File<a class="headerlink" href="#mandatory-attributes-for-a-file" title="Link to this heading">¶</a></h2>
+<h2>Mandatory attributes for a File<a class="headerlink" href="#mandatory-attributes-for-a-file" title="Permalink to this heading">¶</a></h2>
 <p>The File object is, in fact, an special HDF5 <em>group</em> structure that is <em>root</em>
 for the rest of the objects on the object tree. The next attributes are
 mandatory for the HDF5 <em>root group</em> structure in PyTables files:</p>
@@ -137,7 +135,7 @@ <h2>Mandatory attributes for a File<a class="headerlink" href="#mandatory-attrib
 </ul>
 </section>
 <section id="mandatory-attributes-for-a-group">
-<h2>Mandatory attributes for a Group<a class="headerlink" href="#mandatory-attributes-for-a-group" title="Link to this heading">¶</a></h2>
+<h2>Mandatory attributes for a Group<a class="headerlink" href="#mandatory-attributes-for-a-group" title="Permalink to this heading">¶</a></h2>
 <p>The next attributes are mandatory for <em>group</em> structures:</p>
 <ul class="simple">
 <li><p><em>CLASS</em>: This attribute should always be set to ‘GROUP’ for group structures.</p></li>
@@ -147,7 +145,7 @@ <h2>Mandatory attributes for a Group<a class="headerlink" href="#mandatory-attri
 </ul>
 </section>
 <section id="optional-attributes-for-a-group">
-<h2>Optional attributes for a Group<a class="headerlink" href="#optional-attributes-for-a-group" title="Link to this heading">¶</a></h2>
+<h2>Optional attributes for a Group<a class="headerlink" href="#optional-attributes-for-a-group" title="Permalink to this heading">¶</a></h2>
 <p>The next attributes are optional for <em>group</em> structures:</p>
 <ul class="simple">
 <li><p><em>FILTERS</em>: When present, this attribute contains the filter properties (a
@@ -167,12 +165,12 @@ <h2>Optional attributes for a Group<a class="headerlink" href="#optional-attribu
 </ul>
 </section>
 <section id="mandatory-attributes-storage-layout-and-supported-data-types-for-leaves">
-<h2>Mandatory attributes, storage layout and supported data types for Leaves<a class="headerlink" href="#mandatory-attributes-storage-layout-and-supported-data-types-for-leaves" title="Link to this heading">¶</a></h2>
+<h2>Mandatory attributes, storage layout and supported data types for Leaves<a class="headerlink" href="#mandatory-attributes-storage-layout-and-supported-data-types-for-leaves" title="Permalink to this heading">¶</a></h2>
 <p>This depends on the kind of Leaf. The format for each type follows.</p>
 <section id="table-format">
-<span id="tableformatdescr"></span><h3>Table format<a class="headerlink" href="#table-format" title="Link to this heading">¶</a></h3>
+<span id="tableformatdescr"></span><h3>Table format<a class="headerlink" href="#table-format" title="Permalink to this heading">¶</a></h3>
 <section id="mandatory-attributes">
-<h4>Mandatory attributes<a class="headerlink" href="#mandatory-attributes" title="Link to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#mandatory-attributes" title="Permalink to this heading">¶</a></h4>
 <p>The next attributes are mandatory for <em>table</em> structures:</p>
 <ul class="simple">
 <li><p><em>CLASS</em>: Must be set to ‘TABLE’.</p></li>
@@ -193,11 +191,11 @@ <h4>Mandatory attributes<a class="headerlink" href="#mandatory-attributes" title
 </ul>
 </section>
 <section id="storage-layout">
-<h4>Storage Layout<a class="headerlink" href="#storage-layout" title="Link to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#storage-layout" title="Permalink to this heading">¶</a></h4>
 <p>A Table has a <em>dataspace</em> with a <em>1-dimensional chunked</em> layout.</p>
 </section>
 <section id="datatypes-supported">
-<h4>Datatypes supported<a class="headerlink" href="#datatypes-supported" title="Link to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#datatypes-supported" title="Permalink to this heading">¶</a></h4>
 <p>The datatype of the elements (rows) of Table must be the H5T_COMPOUND
 <em>compound</em> data type, and each of these compound components must be built
 with only the next HDF5 data types <em>classes</em>:</p>
@@ -280,9 +278,9 @@ <h4>Datatypes supported<a class="headerlink" href="#datatypes-supported" title="
 </section>
 </section>
 <section id="array-format">
-<h3>Array format<a class="headerlink" href="#array-format" title="Link to this heading">¶</a></h3>
+<h3>Array format<a class="headerlink" href="#array-format" title="Permalink to this heading">¶</a></h3>
 <section id="id1">
-<h4>Mandatory attributes<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h4>
 <p>The next attributes are mandatory for <em>array</em> structures:</p>
 <ul class="simple">
 <li><p><em>CLASS</em>: Must be set to ‘ARRAY’.</p></li>
@@ -292,12 +290,12 @@ <h4>Mandatory attributes<a class="headerlink" href="#id1" title="Link to this he
 </ul>
 </section>
 <section id="id2">
-<h4>Storage Layout<a class="headerlink" href="#id2" title="Link to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h4>
 <p>An Array has a <em>dataspace</em> with a <em>N-dimensional contiguous</em> layout (if you
 prefer a <em>chunked</em> layout see EArray below).</p>
 </section>
 <section id="id3">
-<h4>Datatypes supported<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h4>
 <p>The elements of Array must have either HDF5 <em>atomic</em> data types or a
 <em>compound</em> data type representing a complex number. The atomic data types can
 currently be one of the next HDF5 data type <em>classes</em>: H5T_BITFIELD,
@@ -314,9 +312,9 @@ <h4>Datatypes supported<a class="headerlink" href="#id3" title="Link to this hea
 </section>
 </section>
 <section id="carray-format">
-<h3>CArray format<a class="headerlink" href="#carray-format" title="Link to this heading">¶</a></h3>
+<h3>CArray format<a class="headerlink" href="#carray-format" title="Permalink to this heading">¶</a></h3>
 <section id="id4">
-<h4>Mandatory attributes<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h4>
 <p>The next attributes are mandatory for <em>CArray</em> structures:</p>
 <ul class="simple">
 <li><p><em>CLASS</em>: Must be set to ‘CARRAY’.</p></li>
@@ -326,11 +324,11 @@ <h4>Mandatory attributes<a class="headerlink" href="#id4" title="Link to this he
 </ul>
 </section>
 <section id="id5">
-<h4>Storage Layout<a class="headerlink" href="#id5" title="Link to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id5" title="Permalink to this heading">¶</a></h4>
 <p>An CArray has a <em>dataspace</em> with a <em>N-dimensional chunked</em> layout.</p>
 </section>
 <section id="id6">
-<h4>Datatypes supported<a class="headerlink" href="#id6" title="Link to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#id6" title="Permalink to this heading">¶</a></h4>
 <p>The elements of CArray must have either HDF5 <em>atomic</em> data types or a
 <em>compound</em> data type representing a complex number. The atomic data types can
 currently be one of the next HDF5 data type <em>classes</em>: H5T_BITFIELD,
@@ -347,9 +345,9 @@ <h4>Datatypes supported<a class="headerlink" href="#id6" title="Link to this hea
 </section>
 </section>
 <section id="earray-format">
-<h3>EArray format<a class="headerlink" href="#earray-format" title="Link to this heading">¶</a></h3>
+<h3>EArray format<a class="headerlink" href="#earray-format" title="Permalink to this heading">¶</a></h3>
 <section id="id7">
-<h4>Mandatory attributes<a class="headerlink" href="#id7" title="Link to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id7" title="Permalink to this heading">¶</a></h4>
 <p>The next attributes are mandatory for <em>earray</em> structures:</p>
 <ul class="simple">
 <li><p><em>CLASS</em>: Must be set to ‘EARRAY’.</p></li>
@@ -361,11 +359,11 @@ <h4>Mandatory attributes<a class="headerlink" href="#id7" title="Link to this he
 </ul>
 </section>
 <section id="id8">
-<h4>Storage Layout<a class="headerlink" href="#id8" title="Link to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id8" title="Permalink to this heading">¶</a></h4>
 <p>An EArray has a <em>dataspace</em> with a <em>N-dimensional chunked</em> layout.</p>
 </section>
 <section id="id9">
-<h4>Datatypes supported<a class="headerlink" href="#id9" title="Link to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#id9" title="Permalink to this heading">¶</a></h4>
 <p>The elements of EArray are allowed to have the same data types as for the
 elements in the Array format. They can be one of the HDF5 <em>atomic</em> data type
 <em>classes</em>: H5T_BITFIELD, H5T_INTEGER, H5T_FLOAT, H5T_TIME or H5T_STRING, see
@@ -377,9 +375,9 @@ <h4>Datatypes supported<a class="headerlink" href="#id9" title="Link to this hea
 </section>
 </section>
 <section id="vlarray-format">
-<span id="vlarrayformatdescr"></span><h3>VLArray format<a class="headerlink" href="#vlarray-format" title="Link to this heading">¶</a></h3>
+<span id="vlarrayformatdescr"></span><h3>VLArray format<a class="headerlink" href="#vlarray-format" title="Permalink to this heading">¶</a></h3>
 <section id="id10">
-<h4>Mandatory attributes<a class="headerlink" href="#id10" title="Link to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id10" title="Permalink to this heading">¶</a></h4>
 <p>The next attributes are mandatory for <em>vlarray</em> structures:</p>
 <ul class="simple">
 <li><p><em>CLASS</em>: Must be set to ‘VLARRAY’.</p></li>
@@ -393,11 +391,11 @@ <h4>Mandatory attributes<a class="headerlink" href="#id10" title="Link to this h
 </ul>
 </section>
 <section id="id11">
-<h4>Storage Layout<a class="headerlink" href="#id11" title="Link to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id11" title="Permalink to this heading">¶</a></h4>
 <p>An VLArray has a <em>dataspace</em> with a <em>1-dimensional chunked</em> layout.</p>
 </section>
 <section id="data-types-supported">
-<h4>Data types supported<a class="headerlink" href="#data-types-supported" title="Link to this heading">¶</a></h4>
+<h4>Data types supported<a class="headerlink" href="#data-types-supported" title="Permalink to this heading">¶</a></h4>
 <p>The data type of the elements (rows) of VLArray objects must be the H5T_VLEN
 <em>variable-length</em> (or VL for short) datatype, and the base datatype specified
 for the VL datatype can be of any <em>atomic</em> HDF5 datatype that is listed in
@@ -424,7 +422,7 @@ <h4>Data types supported<a class="headerlink" href="#data-types-supported" title
 </section>
 </section>
 <section id="optional-attributes-for-leaves">
-<h2>Optional attributes for Leaves<a class="headerlink" href="#optional-attributes-for-leaves" title="Link to this heading">¶</a></h2>
+<h2>Optional attributes for Leaves<a class="headerlink" href="#optional-attributes-for-leaves" title="Permalink to this heading">¶</a></h2>
 <p>The next attributes are optional for <em>leaves</em>:</p>
 <ul>
 <li><p><em>FLAVOR</em>: This is meant to provide the information about the kind of object
diff --git a/usersguide/filenode.html b/usersguide/filenode.html
index 8d540d1..4aa7c63 100644
--- a/usersguide/filenode.html
+++ b/usersguide/filenode.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>filenode - simulating a filesystem with PyTables &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">filenode - simulating a filesystem with PyTables</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>filenode - simulating a filesystem with PyTables</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/filenode.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,9 +94,9 @@
            <div itemprop="articleBody">
              
   <section id="filenode-simulating-a-filesystem-with-pytables">
-<span id="filenode-usersguide"></span><h1>filenode - simulating a filesystem with PyTables<a class="headerlink" href="#filenode-simulating-a-filesystem-with-pytables" title="Link to this heading">¶</a></h1>
+<span id="filenode-usersguide"></span><h1>filenode - simulating a filesystem with PyTables<a class="headerlink" href="#filenode-simulating-a-filesystem-with-pytables" title="Permalink to this heading">¶</a></h1>
 <section id="what-is-filenode">
-<h2>What is filenode?<a class="headerlink" href="#what-is-filenode" title="Link to this heading">¶</a></h2>
+<h2>What is filenode?<a class="headerlink" href="#what-is-filenode" title="Permalink to this heading">¶</a></h2>
 <p>filenode is a module which enables you to create a PyTables database of nodes
 which can be used like regular opened files in Python. In other words, you
 can store a file in a PyTables database, and read and write it as you would
@@ -132,7 +130,7 @@ <h2>What is filenode?<a class="headerlink" href="#what-is-filenode" title="Link
 </ul>
 </section>
 <section id="finding-a-filenode-node">
-<h2>Finding a filenode node<a class="headerlink" href="#finding-a-filenode-node" title="Link to this heading">¶</a></h2>
+<h2>Finding a filenode node<a class="headerlink" href="#finding-a-filenode-node" title="Permalink to this heading">¶</a></h2>
 <p>filenode nodes can be recognized because they have a NODE_TYPE system
 attribute with a ‘file’ value. It is recommended that you use the
 <code class="xref py py-meth docutils literal notranslate"><span class="pre">File.get_node_attr()</span></code> method of tables.File class to get the NODE_TYPE
@@ -140,7 +138,7 @@ <h2>Finding a filenode node<a class="headerlink" href="#finding-a-filenode-node"
 not need to care about.</p>
 </section>
 <section id="filenode-simulating-files-inside-pytables">
-<h2>filenode - simulating files inside PyTables<a class="headerlink" href="#filenode-simulating-files-inside-pytables" title="Link to this heading">¶</a></h2>
+<h2>filenode - simulating files inside PyTables<a class="headerlink" href="#filenode-simulating-files-inside-pytables" title="Permalink to this heading">¶</a></h2>
 <p>The filenode module is part of the nodes sub-package of PyTables. The
 recommended way to import the module is:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">tables.nodes</span> <span class="kn">import</span> <span class="n">filenode</span>
@@ -167,7 +165,7 @@ <h2>filenode - simulating files inside PyTables<a class="headerlink" href="#file
 </pre></div>
 </div>
 <section id="creating-a-new-file-node">
-<h3>Creating a new file node<a class="headerlink" href="#creating-a-new-file-node" title="Link to this heading">¶</a></h3>
+<h3>Creating a new file node<a class="headerlink" href="#creating-a-new-file-node" title="Permalink to this heading">¶</a></h3>
 <p>Creation of a new file node is achieved with the new_node() call. You must
 tell it in which PyTables file you want to create it, where in the PyTables
 hierarchy you want to create the node and which will be its name. The
@@ -198,16 +196,16 @@ <h3>Creating a new file node<a class="headerlink" href="#creating-a-new-file-nod
 </div>
 </section>
 <section id="using-a-file-node">
-<h3>Using a file node<a class="headerlink" href="#using-a-file-node" title="Link to this heading">¶</a></h3>
+<h3>Using a file node<a class="headerlink" href="#using-a-file-node" title="Permalink to this heading">¶</a></h3>
 <p>As stated above, you can use the new node file as any other opened file. Let
 us try to write some text in and read it:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="s2">&quot;This is a test text line.&quot;</span><span class="p">,</span> <span class="n">file</span><span class="o">=</span><span class="n">fnode</span><span class="p">)</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="s2">&quot;And this is another one.&quot;</span><span class="p">,</span> <span class="n">file</span><span class="o">=</span><span class="n">fnode</span><span class="p">)</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">file</span><span class="o">=</span><span class="n">fnode</span><span class="p">)</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fnode</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="s2">&quot;Of course, file methods can also be used.&quot;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fnode</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>  <span class="c1"># Go back to the beginning of file.</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="n">fnode</span><span class="p">:</span>
 <span class="gp">... </span>    <span class="nb">print</span><span class="p">(</span><span class="nb">repr</span><span class="p">(</span><span class="n">line</span><span class="p">))</span>
 <span class="go">&#39;This is a test text line.\\n&#39;</span>
@@ -232,7 +230,7 @@ <h3>Using a file node<a class="headerlink" href="#using-a-file-node" title="Link
 </div>
 </section>
 <section id="opening-an-existing-file-node">
-<h3>Opening an existing file node<a class="headerlink" href="#opening-an-existing-file-node" title="Link to this heading">¶</a></h3>
+<h3>Opening an existing file node<a class="headerlink" href="#opening-an-existing-file-node" title="Permalink to this heading">¶</a></h3>
 <p>If you have a file node that you created using new_node(), you can open it
 later by calling open_node(). Its arguments are similar to that of file() or
 open(): the first argument is the PyTables node that you want to open (i.e. a
@@ -273,7 +271,7 @@ <h3>Opening an existing file node<a class="headerlink" href="#opening-an-existin
 was positioned by the time of the appending.</p>
 </section>
 <section id="adding-metadata-to-a-file-node">
-<h3>Adding metadata to a file node<a class="headerlink" href="#adding-metadata-to-a-file-node" title="Link to this heading">¶</a></h3>
+<h3>Adding metadata to a file node<a class="headerlink" href="#adding-metadata-to-a-file-node" title="Permalink to this heading">¶</a></h3>
 <p>You can associate arbitrary metadata to any open node file, regardless of its
 mode, as long as the host PyTables file is writable. Of course, you could use
 the set_node_attr() method of tables.File to do it directly on the proper node,
@@ -300,23 +298,23 @@ <h3>Adding metadata to a file node<a class="headerlink" href="#adding-metadata-t
 </div>
 <p>You can check that these attributes get stored by running the ptdump command
 on the host PyTables file.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>-a<span class="w"> </span>fnode.h5:/fnode_test
-/fnode_test<span class="w"> </span><span class="o">(</span>EArray<span class="o">(</span><span class="m">113</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/fnode_test.attrs<span class="w"> </span><span class="o">(</span>AttributeSet<span class="o">)</span>,<span class="w"> </span><span class="m">14</span><span class="w"> </span>attributes:
-<span class="o">[</span>CLASS<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;EARRAY&#39;</span>,
-EXTDIM<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="m">0</span>,
-FLAVOR<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;numpy&#39;</span>,
-NODE_TYPE<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;file&#39;</span>,
-NODE_TYPE_VERSION<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="m">2</span>,
-TITLE<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;&#39;</span>,
-VERSION<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;1.2&#39;</span>,
-acl<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="o">{</span><span class="s1">&#39;ivan&#39;</span>:<span class="w"> </span><span class="s1">&#39;rw&#39;</span>,<span class="w"> </span><span class="s1">&#39;@users&#39;</span>:<span class="w"> </span><span class="s1">&#39;r&#39;</span><span class="o">}</span>,
-author<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;Ivan Vilata i Balaguer&#39;</span>,
-content_type<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;text/plain; charset=us-ascii&#39;</span>,
-creation_date<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;2004-10-20T13:25:25+0200&#39;</span>,
-keywords_ca<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="o">[</span><span class="s1">&#39;FileNode&#39;</span>,<span class="w"> </span><span class="s1">&#39;prova&#39;</span>,<span class="w"> </span><span class="s1">&#39;metadades&#39;</span><span class="o">]</span>,
-keywords_en<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="o">[</span><span class="s1">&#39;FileNode&#39;</span>,<span class="w"> </span><span class="s1">&#39;test&#39;</span>,<span class="w"> </span><span class="s1">&#39;metadata&#39;</span><span class="o">]</span>,
-owner<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;ivan&#39;</span><span class="o">]</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump -a fnode.h5:/fnode_test
+/fnode_test <span class="o">(</span>EArray<span class="o">(</span><span class="m">113</span>,<span class="o">))</span> <span class="s1">&#39;&#39;</span>
+/fnode_test.attrs <span class="o">(</span>AttributeSet<span class="o">)</span>, <span class="m">14</span> attributes:
+<span class="o">[</span>CLASS :<span class="o">=</span> <span class="s1">&#39;EARRAY&#39;</span>,
+EXTDIM :<span class="o">=</span> <span class="m">0</span>,
+FLAVOR :<span class="o">=</span> <span class="s1">&#39;numpy&#39;</span>,
+NODE_TYPE :<span class="o">=</span> <span class="s1">&#39;file&#39;</span>,
+NODE_TYPE_VERSION :<span class="o">=</span> <span class="m">2</span>,
+TITLE :<span class="o">=</span> <span class="s1">&#39;&#39;</span>,
+VERSION :<span class="o">=</span> <span class="s1">&#39;1.2&#39;</span>,
+acl :<span class="o">=</span> <span class="o">{</span><span class="s1">&#39;ivan&#39;</span>: <span class="s1">&#39;rw&#39;</span>, <span class="s1">&#39;@users&#39;</span>: <span class="s1">&#39;r&#39;</span><span class="o">}</span>,
+author :<span class="o">=</span> <span class="s1">&#39;Ivan Vilata i Balaguer&#39;</span>,
+content_type :<span class="o">=</span> <span class="s1">&#39;text/plain; charset=us-ascii&#39;</span>,
+creation_date :<span class="o">=</span> <span class="s1">&#39;2004-10-20T13:25:25+0200&#39;</span>,
+keywords_ca :<span class="o">=</span> <span class="o">[</span><span class="s1">&#39;FileNode&#39;</span>, <span class="s1">&#39;prova&#39;</span>, <span class="s1">&#39;metadades&#39;</span><span class="o">]</span>,
+keywords_en :<span class="o">=</span> <span class="o">[</span><span class="s1">&#39;FileNode&#39;</span>, <span class="s1">&#39;test&#39;</span>, <span class="s1">&#39;metadata&#39;</span><span class="o">]</span>,
+owner :<span class="o">=</span> <span class="s1">&#39;ivan&#39;</span><span class="o">]</span>
 </pre></div>
 </div>
 <p>Note that filenode makes no assumptions about the meaning of your metadata,
@@ -324,7 +322,7 @@ <h3>Adding metadata to a file node<a class="headerlink" href="#adding-metadata-t
 </section>
 </section>
 <section id="complementary-notes">
-<h2>Complementary notes<a class="headerlink" href="#complementary-notes" title="Link to this heading">¶</a></h2>
+<h2>Complementary notes<a class="headerlink" href="#complementary-notes" title="Permalink to this heading">¶</a></h2>
 <p>You can use file nodes and PyTables groups to mimic a filesystem with files
 and directories. Since you can store nearly anything you want as file
 metadata, this enables you to use a PyTables file as a portable compressed
@@ -339,7 +337,7 @@ <h2>Complementary notes<a class="headerlink" href="#complementary-notes" title="
 Do not hesitate to contact us!</p>
 </section>
 <section id="current-limitations">
-<h2>Current limitations<a class="headerlink" href="#current-limitations" title="Link to this heading">¶</a></h2>
+<h2>Current limitations<a class="headerlink" href="#current-limitations" title="Permalink to this heading">¶</a></h2>
 <p>filenode is still a young piece of software, so it lacks some functionality.
 This is a list of known current limitations:</p>
 <ol class="arabic simple">
diff --git a/usersguide/index.html b/usersguide/index.html
index 307913b..bd8d06e 100644
--- a/usersguide/index.html
+++ b/usersguide/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables User’s Guide &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -102,8 +100,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">PyTables User’s Guide</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>PyTables User’s Guide</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/index.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -114,9 +112,9 @@
            <div itemprop="articleBody">
              
   <section id="pytables-user-s-guide">
-<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Link to this heading">¶</a></h1>
+<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Permalink to this heading">¶</a></h1>
 <section id="hierarchical-datasets-in-python">
-<h2>Hierarchical datasets in Python<a class="headerlink" href="#hierarchical-datasets-in-python" title="Link to this heading">¶</a></h2>
+<h2>Hierarchical datasets in Python<a class="headerlink" href="#hierarchical-datasets-in-python" title="Permalink to this heading">¶</a></h2>
 <dl class="field-list">
 <dt class="field-odd">Authors<span class="colon">:</span></dt>
 <dd class="field-odd"><p><strong>Francesc Alted, Ivan Vilata, Scott Prater, Vicent Mas, Tom Hedley,
@@ -131,7 +129,7 @@ <h2>Hierarchical datasets in Python<a class="headerlink" href="#hierarchical-dat
 </dl>
 </section>
 <section id="contents">
-<h2>Contents<a class="headerlink" href="#contents" title="Link to this heading">¶</a></h2>
+<h2>Contents<a class="headerlink" href="#contents" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="introduction.html">Introduction</a></li>
@@ -150,7 +148,7 @@ <h2>Contents<a class="headerlink" href="#contents" title="Link to this heading">
 </div>
 </section>
 <section id="copyright-notice-and-statement-for-pytables-user-s-guide">
-<h2>Copyright Notice and Statement for PyTables User’s Guide<a class="headerlink" href="#copyright-notice-and-statement-for-pytables-user-s-guide" title="Link to this heading">¶</a></h2>
+<h2>Copyright Notice and Statement for PyTables User’s Guide<a class="headerlink" href="#copyright-notice-and-statement-for-pytables-user-s-guide" title="Permalink to this heading">¶</a></h2>
 <p>Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:</p>
diff --git a/usersguide/installation.html b/usersguide/installation.html
index 9f1896b..3de0559 100644
--- a/usersguide/installation.html
+++ b/usersguide/installation.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Installation &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Installation</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Installation</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/installation.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="installation">
-<h1>Installation<a class="headerlink" href="#installation" title="Link to this heading">¶</a></h1>
+<h1>Installation<a class="headerlink" href="#installation" title="Permalink to this heading">¶</a></h1>
 <blockquote class="epigraph">
 <div><p>Make things as simple as possible, but not any simpler.</p>
 <p class="attribution">—Albert Einstein</p>
@@ -112,7 +110,7 @@ <h1>Installation<a class="headerlink" href="#installation" title="Link to this h
 Finally <a class="reference external" href="http://www.lfd.uci.edu/~gohlke/pythonlibs/">Christoph Gohlke</a> also maintains an excellent suite of a variety of
 binary packages for Windows at his site.</p>
 <section id="installation-from-source">
-<h2>Installation from source<a class="headerlink" href="#installation-from-source" title="Link to this heading">¶</a></h2>
+<h2>Installation from source<a class="headerlink" href="#installation-from-source" title="Permalink to this heading">¶</a></h2>
 <p>These instructions are for both Unix/MacOS X and Windows systems. If you are
 using Windows, it is assumed that you have a recent version of MS Visual C++
 compiler installed.
@@ -126,7 +124,7 @@ <h2>Installation from source<a class="headerlink" href="#installation-from-sourc
 <a class="reference internal" href="bibliography.html#numpy"><span class="std std-ref">[NUMPY]</span></a>) and Numexpr (see <a class="reference internal" href="bibliography.html#numexpr"><span class="std std-ref">[NUMEXPR]</span></a>)
 packages.</p>
 <section id="prerequisites">
-<h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Link to this heading">¶</a></h3>
+<h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to this heading">¶</a></h3>
 <p>First, make sure that you have the following dependencies installed.
 If you don’t, fetch and install them before proceeding.</p>
 <ul class="simple">
@@ -340,7 +338,7 @@ <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Link to this
 </div></blockquote>
 </section>
 <section id="pytables-package-installation">
-<h3>PyTables package installation<a class="headerlink" href="#pytables-package-installation" title="Link to this heading">¶</a></h3>
+<h3>PyTables package installation<a class="headerlink" href="#pytables-package-installation" title="Permalink to this heading">¶</a></h3>
 <p>Once you have installed the HDF5 library and the NumPy and Numexpr packages,
 you can proceed with the PyTables package itself.</p>
 <ol class="arabic">
@@ -503,7 +501,7 @@ <h3>PyTables package installation<a class="headerlink" href="#pytables-package-i
 </section>
 </section>
 <section id="installation-with-pip">
-<h2>Installation with <strong class="program">pip</strong><a class="headerlink" href="#installation-with-pip" title="Link to this heading">¶</a></h2>
+<h2>Installation with <strong class="program">pip</strong><a class="headerlink" href="#installation-with-pip" title="Permalink to this heading">¶</a></h2>
 <p>Many users find it useful to use the <strong class="program">pip</strong> program (or similar ones)
 to install python packages.</p>
 <p>As explained in previous sections the user should in any case ensure that all
@@ -570,14 +568,14 @@ <h2>Installation with <strong class="program">pip</strong><a class="headerlink"
 </div>
 </section>
 <section id="binary-installation-windows">
-<span id="binaryinstallationdescr"></span><h2>Binary installation (Windows)<a class="headerlink" href="#binary-installation-windows" title="Link to this heading">¶</a></h2>
+<span id="binaryinstallationdescr"></span><h2>Binary installation (Windows)<a class="headerlink" href="#binary-installation-windows" title="Permalink to this heading">¶</a></h2>
 <p>This section is intended for installing precompiled binaries on Windows
 platforms. Binaries are distribution in wheel format, which can be downloaded
 and installed using pip as described above. You may also find it useful for
 instructions on how to install <em>binary prerequisites</em> even if you want to
 compile PyTables itself on Windows.</p>
 <section id="windows-prerequisites">
-<span id="prerequisitesbininst"></span><h3>Windows prerequisites<a class="headerlink" href="#windows-prerequisites" title="Link to this heading">¶</a></h3>
+<span id="prerequisitesbininst"></span><h3>Windows prerequisites<a class="headerlink" href="#windows-prerequisites" title="Permalink to this heading">¶</a></h3>
 <p>First, make sure that you have Python 3, NumPy 1.8.0 and Numexpr 2.5.2 or
 higher installed.</p>
 <p>To enable compression with the optional LZO library (see the
@@ -597,7 +595,7 @@ <h2>Installation with <strong class="program">pip</strong><a class="headerlink"
 dynamic libraries if you don’t want to.</p>
 </section>
 <section id="id1">
-<h3>PyTables package installation<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>PyTables package installation<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <p>On PyPI wheels for 32 and 64-bit versions of Windows and are usually provided. They
 are automatically found and installed using pip:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python3 -m pip install tables
diff --git a/usersguide/introduction.html b/usersguide/introduction.html
index ee6bc1f..d5f088e 100644
--- a/usersguide/introduction.html
+++ b/usersguide/introduction.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Introduction &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Introduction</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Introduction</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/introduction.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="introduction">
-<h1>Introduction<a class="headerlink" href="#introduction" title="Link to this heading">¶</a></h1>
+<h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this heading">¶</a></h1>
 <blockquote class="epigraph">
 <div><p>La sabiduría no vale la pena si no es posible servirse de ella para
 inventar una nueva manera de preparar los garbanzos.</p>
@@ -157,7 +155,7 @@ <h1>Introduction<a class="headerlink" href="#introduction" title="Link to this h
 have a different number of elements).</p>
 <p>The next section describes the most interesting capabilities of PyTables.</p>
 <section id="main-features">
-<h2>Main Features<a class="headerlink" href="#main-features" title="Link to this heading">¶</a></h2>
+<h2>Main Features<a class="headerlink" href="#main-features" title="Permalink to this heading">¶</a></h2>
 <p>PyTables takes advantage of the object orientation and introspection
 capabilities offered by Python, the powerful data management features of
 HDF5, and NumPy’s flexibility and Numexpr’s high-performance manipulation of
@@ -230,7 +228,7 @@ <h2>Main Features<a class="headerlink" href="#main-features" title="Link to this
 </ul>
 </section>
 <section id="the-object-tree">
-<span id="objecttreesection"></span><h2>The Object Tree<a class="headerlink" href="#the-object-tree" title="Link to this heading">¶</a></h2>
+<span id="objecttreesection"></span><h2>The Object Tree<a class="headerlink" href="#the-object-tree" title="Permalink to this heading">¶</a></h2>
 <p>The hierarchical model of the underlying HDF5 library allows PyTables to
 manage tables and arrays in a tree-like structure. In order to achieve this,
 an <em>object tree</em> entity is <em>dynamically</em> created imitating the HDF5 structure
@@ -348,7 +346,7 @@ <h2>Main Features<a class="headerlink" href="#main-features" title="Link to this
 <figure class="align-center" id="id9">
 <span id="objecttree-h5"></span><img alt="../_images/objecttree-h5.png" src="../_images/objecttree-h5.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 1: An HDF5 example with 2 subgroups, 2 tables and 1 array.</strong></span><a class="headerlink" href="#id9" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 1: An HDF5 example with 2 subgroups, 2 tables and 1 array.</strong></span><a class="headerlink" href="#id9" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>In <a class="reference internal" href="#objecttree"><span class="std std-ref">Figure2</span></a>, you can see an example of the object tree
@@ -359,7 +357,7 @@ <h2>Main Features<a class="headerlink" href="#main-features" title="Link to this
 <figure class="align-center" id="id10">
 <span id="objecttree"></span><a class="reference internal image-reference" href="../_images/objecttree.png"><img alt="../_images/objecttree.png" src="../_images/objecttree.png" style="width: 100%;" /></a>
 <figcaption>
-<p><span class="caption-text"><strong>Figure 2: A PyTables object tree example.</strong></span><a class="headerlink" href="#id10" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 2: A PyTables object tree example.</strong></span><a class="headerlink" href="#id10" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <hr class="docutils" />
diff --git a/usersguide/libref.html b/usersguide/libref.html
index 352c591..621295e 100644
--- a/usersguide/libref.html
+++ b/usersguide/libref.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Library Reference &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Library Reference</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Library Reference</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/libref.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="library-reference">
-<span id="id1"></span><h1>Library Reference<a class="headerlink" href="#library-reference" title="Link to this heading">¶</a></h1>
+<span id="id1"></span><h1>Library Reference<a class="headerlink" href="#library-reference" title="Permalink to this heading">¶</a></h1>
 <p>PyTables implements several classes to represent the different nodes in the
 object tree. They are named File, Group, Leaf, Table, Array, CArray, EArray,
 VLArray and UnImplemented. Another one allows the user to complement the
diff --git a/usersguide/libref/declarative_classes.html b/usersguide/libref/declarative_classes.html
index 8598a6a..237b7df 100644
--- a/usersguide/libref/declarative_classes.html
+++ b/usersguide/libref/declarative_classes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Declarative classes &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Declarative classes</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Declarative classes</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/declarative_classes.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,15 +95,15 @@
            <div itemprop="articleBody">
              
   <section id="declarative-classes">
-<h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="Link to this heading">¶</a></h1>
+<h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="Permalink to this heading">¶</a></h1>
 <p>In this section a series of classes that are meant to
 <em>declare</em> datatypes that are required for creating
 primary PyTables datasets are described.</p>
 <section id="the-atom-class-and-its-descendants">
-<span id="atomclassdescr"></span><h2>The Atom class and its descendants<a class="headerlink" href="#the-atom-class-and-its-descendants" title="Link to this heading">¶</a></h2>
+<span id="atomclassdescr"></span><h2>The Atom class and its descendants<a class="headerlink" href="#the-atom-class-and-its-descendants" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nptype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nptype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines the type of atomic cells stored in a dataset.</p>
 <p>The meaning of <em>atomic</em> is that individual elements of a cell can
 not be extracted directly by indexing (i.e.  __getitem__()) the
@@ -129,7 +127,7 @@ <h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="
 <li><p><strong>shape</strong> (<em>tuple</em>) – Sets the shape of the atom. An integer shape of
 N is equivalent to the tuple (N,).</p></li>
 <li><p><strong>dflt</strong> – Sets the default value for the atom.</p></li>
-<li><p><strong>class.</strong> (<em>The following are the public methods and attributes</em><em> of </em><em>the Atom</em>) – </p></li>
+<li><p><strong>class.</strong> (<em>The following are the public methods and attributes of the Atom</em>) – </p></li>
 </ul>
 </dd>
 </dl>
@@ -142,7 +140,7 @@ <h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="
 <p class="rubric">Atom attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.dflt">
-<span class="sig-name descname"><span class="pre">dflt</span></span><a class="headerlink" href="#tables.Atom.dflt" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">dflt</span></span><a class="headerlink" href="#tables.Atom.dflt" title="Permalink to this definition">¶</a></dt>
 <dd><p>The default value of the atom.</p>
 <p>If the user does not supply a value for an element while
 filling a dataset, this default value will be written to disk.
@@ -155,32 +153,32 @@ <h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.dtype">
-<span class="sig-name descname"><span class="pre">dtype</span></span><a class="headerlink" href="#tables.Atom.dtype" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">dtype</span></span><a class="headerlink" href="#tables.Atom.dtype" title="Permalink to this definition">¶</a></dt>
 <dd><p>The NumPy dtype that most closely matches this atom.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.itemsize">
-<span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.Atom.itemsize" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.Atom.itemsize" title="Permalink to this definition">¶</a></dt>
 <dd><p>Size in bytes of a single item in the atom.
 Specially useful for atoms of the string kind.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.kind">
-<span class="sig-name descname"><span class="pre">kind</span></span><a class="headerlink" href="#tables.Atom.kind" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">kind</span></span><a class="headerlink" href="#tables.Atom.kind" title="Permalink to this definition">¶</a></dt>
 <dd><p>The PyTables kind of the atom (a string).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.shape">
-<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Atom.shape" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Atom.shape" title="Permalink to this definition">¶</a></dt>
 <dd><p>The shape of the atom (a tuple for scalar atoms).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.type">
-<span class="sig-name descname"><span class="pre">type</span></span><a class="headerlink" href="#tables.Atom.type" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">type</span></span><a class="headerlink" href="#tables.Atom.type" title="Permalink to this definition">¶</a></dt>
 <dd><p>The PyTables type of the atom (a string).</p>
 <p>Atoms can be compared with atoms and other objects for
 strict (in)equality without having to compare individual
@@ -205,10 +203,10 @@ <h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="
 </dd></dl>
 
 <section id="atom-properties">
-<h3>Atom properties<a class="headerlink" href="#atom-properties" title="Link to this heading">¶</a></h3>
+<h3>Atom properties<a class="headerlink" href="#atom-properties" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.ndim">
-<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">ndim</span></span><a class="headerlink" href="#tables.Atom.ndim" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">ndim</span></span><a class="headerlink" href="#tables.Atom.ndim" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of dimensions of the atom.</p>
 <div class="versionadded">
 <p><span class="versionmodified added">New in version 2.4.</span></p>
@@ -217,22 +215,22 @@ <h3>Atom properties<a class="headerlink" href="#atom-properties" title="Link to
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.recarrtype">
-<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">recarrtype</span></span><a class="headerlink" href="#tables.Atom.recarrtype" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">recarrtype</span></span><a class="headerlink" href="#tables.Atom.recarrtype" title="Permalink to this definition">¶</a></dt>
 <dd><p>String type to be used in numpy.rec.array().</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Atom.size">
-<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">size</span></span><a class="headerlink" href="#tables.Atom.size" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">size</span></span><a class="headerlink" href="#tables.Atom.size" title="Permalink to this definition">¶</a></dt>
 <dd><p>Total size in bytes of the atom.</p>
 </dd></dl>
 
 </section>
 <section id="atom-methods">
-<h3>Atom methods<a class="headerlink" href="#atom-methods" title="Link to this heading">¶</a></h3>
+<h3>Atom methods<a class="headerlink" href="#atom-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Atom.copy">
-<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">override</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">override</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a copy of the atom, possibly overriding some arguments.</p>
 <p>Constructor arguments to be overridden must be passed as
 keyword arguments:</p>
@@ -257,10 +255,10 @@ <h3>Atom methods<a class="headerlink" href="#atom-methods" title="Link to this h
 
 </section>
 <section id="atom-factory-methods">
-<h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title="Link to this heading">¶</a></h3>
+<h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Atom.from_dtype">
-<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_dtype</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dtype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_dtype"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_dtype" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_dtype</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dtype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_dtype"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_dtype" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create an Atom from a NumPy dtype.</p>
 <p>An optional default value may be specified as the dflt
 argument. Information in the dtype not represented in an Atom is
@@ -286,7 +284,7 @@ <h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Atom.from_kind">
-<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_kind</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">kind</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_kind"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_kind" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_kind</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">kind</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_kind"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_kind" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create an Atom from a PyTables kind.</p>
 <p>Optional item size, shape and default value may be
 specified as the itemsize, shape and dflt
@@ -321,7 +319,7 @@ <h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Atom.from_sctype">
-<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_sctype</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sctype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_sctype"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_sctype" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_sctype</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sctype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_sctype"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_sctype" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create an Atom from a NumPy scalar type sctype.</p>
 <p>Optional shape and default value may be specified as the
 shape and dflt
@@ -342,7 +340,7 @@ <h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Atom.from_type">
-<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_type</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">type</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_type"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_type" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Atom.</span></span><span class="sig-name descname"><span class="pre">from_type</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">type</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Atom.from_type"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Atom.from_type" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create an Atom from a PyTables type.</p>
 <p>Optional shape and default value may be specified as the
 shape and dflt arguments, respectively:</p>
@@ -364,15 +362,15 @@ <h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title
 
 </section>
 <section id="atom-sub-classes">
-<h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Link to this heading">¶</a></h3>
+<h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Permalink to this heading">¶</a></h3>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.StringAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">StringAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">b''</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#StringAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.StringAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">StringAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">b''</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#StringAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.StringAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type string.</p>
 <p>The item size is the <em>maximum</em> length in characters of strings.</p>
 <dl class="py property">
 <dt class="sig sig-object py" id="tables.StringAtom.itemsize">
-<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.StringAtom.itemsize" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.StringAtom.itemsize" title="Permalink to this definition">¶</a></dt>
 <dd><p>Size in bytes of a sigle item in the atom.</p>
 </dd></dl>
 
@@ -380,98 +378,98 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Link t
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.BoolAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">BoolAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#BoolAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.BoolAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">BoolAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#BoolAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.BoolAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type bool.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.IntAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">IntAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">4</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#IntAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.IntAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">IntAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">4</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#IntAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.IntAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of a signed integral type (int kind).</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int8Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int8Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int8Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int8Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int8Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">int8</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int16Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int16Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int16Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int16Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int16Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">int16</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int32Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int32Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int32Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">int32</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int64Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int64Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int64Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">int64</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UIntAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UIntAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">4</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#UIntAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UIntAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UIntAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">4</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#UIntAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UIntAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of an unsigned integral type (uint kind).</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt8Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt8Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt8Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt8Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt8Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">uint8</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt16Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt16Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt16Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt16Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt16Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">uint16</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt32Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt32Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt32Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">uint32</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt64Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt64Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt64Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">uint64</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.FloatAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FloatAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">8</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#FloatAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FloatAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FloatAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">8</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#FloatAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FloatAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of a floating point type (float kind).</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Float32Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float32Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float32Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">float32</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Float64Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float64Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float64Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">float64</span></code>.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.ComplexAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ComplexAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0j</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#ComplexAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ComplexAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ComplexAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">itemsize</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0j</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#ComplexAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ComplexAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of kind complex.</p>
 <p>Allowed item sizes are 8 (single precision) and 16 (double precision). This
 class must be used instead of more concrete ones to avoid confusions with
 numarray-like precision specifications used in PyTables 1.X.</p>
 <dl class="py property">
 <dt class="sig sig-object py" id="tables.ComplexAtom.itemsize">
-<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.ComplexAtom.itemsize" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.ComplexAtom.itemsize" title="Permalink to this definition">¶</a></dt>
 <dd><p>Size in bytes of a sigle item in the atom.</p>
 </dd></dl>
 
@@ -479,19 +477,19 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Link t
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Time32Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Time32Atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Time32Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time32Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Time32Atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Time32Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type time32.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Time64Atom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Time64Atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Time64Atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time64Atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#Time64Atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Time64Atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type time64.</p>
 </dd></dl>
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.EnumAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">EnumAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">enum</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">base</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#EnumAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.EnumAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">EnumAtom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">enum</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">base</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">()</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#EnumAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.EnumAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Description of an atom of an enumerated type.</p>
 <p>Instances of this class describe the atom type used to store enumerated
 values. Those values belong to an enumerated type, defined by the first
@@ -567,7 +565,7 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Link t
 <p>for 3x2 arrays of uint32.</p>
 <dl class="py property">
 <dt class="sig sig-object py" id="tables.EnumAtom.itemsize">
-<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.EnumAtom.itemsize" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">itemsize</span></span><a class="headerlink" href="#tables.EnumAtom.itemsize" title="Permalink to this definition">¶</a></dt>
 <dd><p>Size in bytes of a single item in the atom.</p>
 </dd></dl>
 
@@ -575,7 +573,7 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Link t
 
 </section>
 <section id="pseudo-atoms">
-<h3>Pseudo atoms<a class="headerlink" href="#pseudo-atoms" title="Link to this heading">¶</a></h3>
+<h3>Pseudo atoms<a class="headerlink" href="#pseudo-atoms" title="Permalink to this heading">¶</a></h3>
 <p>Now, there come three special classes, ObjectAtom, VLStringAtom and
 VLUnicodeAtom, that actually do not descend from Atom, but which goal is so
 similar that they should be described here. Pseudo-atoms can only be used with
@@ -588,10 +586,10 @@ <h3>Pseudo atoms<a class="headerlink" href="#pseudo-atoms" title="Link to this h
 examples on VLArray datasets, including object serialization and string
 management.</p>
 <section id="objectatom">
-<h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this heading">¶</a></h4>
+<h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this heading">¶</a></h4>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.ObjectAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ObjectAtom</span></span><a class="reference internal" href="../../_modules/tables/atom.html#ObjectAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ObjectAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ObjectAtom</span></span><a class="reference internal" href="../../_modules/tables/atom.html#ObjectAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ObjectAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type object.</p>
 <p>This class is meant to fit <em>any</em> kind of Python object in a row of a
 VLArray dataset by using pickle behind the scenes. Due to the fact that
@@ -604,7 +602,7 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this headi
 save an arbitrary number of generic Python objects in a VLArray dataset.</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.ObjectAtom.fromarray">
-<span class="sig-name descname"><span class="pre">fromarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">array</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#ObjectAtom.fromarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ObjectAtom.fromarray" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">fromarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">array</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#ObjectAtom.fromarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ObjectAtom.fromarray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Convert an <cite>array</cite> of base atoms into an object.</p>
 </dd></dl>
 
@@ -612,10 +610,10 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this headi
 
 </section>
 <section id="vlstringatom">
-<span id="id1"></span><h4>VLStringAtom<a class="headerlink" href="#vlstringatom" title="Link to this heading">¶</a></h4>
+<span id="id1"></span><h4>VLStringAtom<a class="headerlink" href="#vlstringatom" title="Permalink to this heading">¶</a></h4>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.VLStringAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">VLStringAtom</span></span><a class="reference internal" href="../../_modules/tables/atom.html#VLStringAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLStringAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">VLStringAtom</span></span><a class="reference internal" href="../../_modules/tables/atom.html#VLStringAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLStringAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type <code class="docutils literal notranslate"><span class="pre">vlstring</span></code>.</p>
 <p>This class describes a <em>row</em> of the VLArray class, rather than an atom. It
 differs from the StringAtom class in that you can only add <em>one instance of
@@ -637,7 +635,7 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this headi
 atoms as an easy way to save generic variable length strings.</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLStringAtom.fromarray">
-<span class="sig-name descname"><span class="pre">fromarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">array</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#VLStringAtom.fromarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLStringAtom.fromarray" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">fromarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">array</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#VLStringAtom.fromarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLStringAtom.fromarray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Convert an <cite>array</cite> of base atoms into an object.</p>
 </dd></dl>
 
@@ -645,10 +643,10 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this headi
 
 </section>
 <section id="vlunicodeatom">
-<span id="id2"></span><h4>VLUnicodeAtom<a class="headerlink" href="#vlunicodeatom" title="Link to this heading">¶</a></h4>
+<span id="id2"></span><h4>VLUnicodeAtom<a class="headerlink" href="#vlunicodeatom" title="Permalink to this heading">¶</a></h4>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.VLUnicodeAtom">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">VLUnicodeAtom</span></span><a class="reference internal" href="../../_modules/tables/atom.html#VLUnicodeAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLUnicodeAtom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">VLUnicodeAtom</span></span><a class="reference internal" href="../../_modules/tables/atom.html#VLUnicodeAtom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLUnicodeAtom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines an atom of type vlunicode.</p>
 <p>This class describes a <em>row</em> of the VLArray class, rather than an atom.  It
 is very similar to VLStringAtom (see <a class="reference internal" href="#vlstringatom"><span class="std std-ref">VLStringAtom</span></a>), but it stores
@@ -663,13 +661,13 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this headi
 vlunicode atoms as an easy way to save variable length Unicode strings.</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLUnicodeAtom.fromarray">
-<span class="sig-name descname"><span class="pre">fromarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">array</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#VLUnicodeAtom.fromarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLUnicodeAtom.fromarray" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">fromarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">array</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#VLUnicodeAtom.fromarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLUnicodeAtom.fromarray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Convert an <cite>array</cite> of base atoms into an object.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLUnicodeAtom.toarray">
-<span class="sig-name descname"><span class="pre">toarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">object_</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#VLUnicodeAtom.toarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLUnicodeAtom.toarray" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">toarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">object_</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#VLUnicodeAtom.toarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLUnicodeAtom.toarray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Convert an <cite>object_</cite> into an array of base atoms.</p>
 </dd></dl>
 
@@ -679,10 +677,10 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this headi
 </section>
 </section>
 <section id="the-col-class-and-its-descendants">
-<span id="colclassdescr"></span><h2>The Col class and its descendants<a class="headerlink" href="#the-col-class-and-its-descendants" title="Link to this heading">¶</a></h2>
+<span id="colclassdescr"></span><h2>The Col class and its descendants<a class="headerlink" href="#the-col-class-and-its-descendants" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nptype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Col"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nptype</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dflt</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Col"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column.</p>
 <p>Col instances are used as a means to declare the different properties of a
 non-nested column in a table or nested column.  Col classes are descendants
@@ -719,38 +717,38 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link to this headi
 </dd></dl>
 
 <section id="col-instance-variables">
-<h3>Col instance variables<a class="headerlink" href="#col-instance-variables" title="Link to this heading">¶</a></h3>
+<h3>Col instance variables<a class="headerlink" href="#col-instance-variables" title="Permalink to this heading">¶</a></h3>
 <p>In addition to the variables that they inherit from the Atom class, Col
 instances have the following attributes.</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Col._v_pos">
-<span class="sig-prename descclassname"><span class="pre">Col.</span></span><span class="sig-name descname"><span class="pre">_v_pos</span></span><a class="headerlink" href="#tables.Col._v_pos" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Col.</span></span><span class="sig-name descname"><span class="pre">_v_pos</span></span><a class="headerlink" href="#tables.Col._v_pos" title="Permalink to this definition">¶</a></dt>
 <dd><p>The <em>relative</em> position of this column with regard to its column
 siblings.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Col._v_col_attrs">
-<span class="sig-prename descclassname"><span class="pre">Col.</span></span><span class="sig-name descname"><span class="pre">_v_col_attrs</span></span><a class="headerlink" href="#tables.Col._v_col_attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Col.</span></span><span class="sig-name descname"><span class="pre">_v_col_attrs</span></span><a class="headerlink" href="#tables.Col._v_col_attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>Additional metadata information. See <a class="reference internal" href="#attributesetclassdescr"><span class="std std-ref">The AttributeSet class</span></a>.</p>
 </dd></dl>
 
 </section>
 <section id="col-factory-methods">
-<h3>Col factory methods<a class="headerlink" href="#col-factory-methods" title="Link to this heading">¶</a></h3>
+<h3>Col factory methods<a class="headerlink" href="#col-factory-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Col.from_atom">
-<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Col.</span></span><span class="sig-name descname"><span class="pre">from_atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">atom</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pos</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_offset</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Col.from_atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Col.from_atom" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Col.</span></span><span class="sig-name descname"><span class="pre">from_atom</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">atom</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">pos</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_offset</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Col.from_atom"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Col.from_atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a Col definition from a PyTables atom.</p>
 <p>An optional position may be specified as the pos argument.</p>
 </dd></dl>
 
 </section>
 <section id="col-sub-classes">
-<h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to this heading">¶</a></h3>
+<h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Permalink to this heading">¶</a></h3>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.StringCol">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">StringCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.StringCol" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">StringCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.StringCol" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -762,7 +760,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.BoolCol">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">BoolCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.BoolCol" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">BoolCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.BoolCol" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -774,7 +772,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.IntCol">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">IntCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.IntCol" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">IntCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.IntCol" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -786,7 +784,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int8Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int8Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int8Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int8Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int8Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -798,7 +796,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int16Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int16Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int16Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int16Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int16Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -810,7 +808,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int32Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int32Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int32Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -822,7 +820,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Int64Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int64Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Int64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Int64Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -834,7 +832,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UIntCol">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UIntCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UIntCol" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UIntCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UIntCol" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -846,7 +844,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt8Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt8Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt8Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt8Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt8Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -858,7 +856,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt16Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt16Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt16Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt16Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt16Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -870,7 +868,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt32Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt32Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt32Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -882,7 +880,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UInt64Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt64Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UInt64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.UInt64Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -894,7 +892,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Float32Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float32Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float32Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -906,7 +904,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Float64Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float64Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Float64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Float64Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -918,7 +916,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.ComplexCol">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ComplexCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.ComplexCol" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ComplexCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.ComplexCol" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -930,7 +928,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.TimeCol">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">TimeCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.TimeCol" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">TimeCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.TimeCol" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -942,7 +940,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Time32Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Time32Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time32Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Time32Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -954,7 +952,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Time64Col">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Time64Col" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Time64Col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.Time64Col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -966,7 +964,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.EnumCol">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">EnumCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.EnumCol" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">EnumCol</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.EnumCol" title="Permalink to this definition">¶</a></dt>
 <dd><p>Defines a non-nested column of a particular type.</p>
 <p>The constructor accepts the same arguments as the equivalent
 <cite>Atom</cite> class, plus an additional <code class="docutils literal notranslate"><span class="pre">pos</span></code> argument for
@@ -979,10 +977,10 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 </section>
 </section>
 <section id="the-isdescription-class">
-<span id="isdescriptionclassdescr"></span><h2>The IsDescription class<a class="headerlink" href="#the-isdescription-class" title="Link to this heading">¶</a></h2>
+<span id="isdescriptionclassdescr"></span><h2>The IsDescription class<a class="headerlink" href="#the-isdescription-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.IsDescription">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">IsDescription</span></span><a class="reference internal" href="../../_modules/tables/description.html#IsDescription"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.IsDescription" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">IsDescription</span></span><a class="reference internal" href="../../_modules/tables/description.html#IsDescription"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.IsDescription" title="Permalink to this definition">¶</a></dt>
 <dd><p>Description of the structure of a table or nested column.</p>
 <p>This class is designed to be used as an easy, yet meaningful way to
 describe the structure of new Table (see <a class="reference internal" href="structured_storage.html#tableclassdescr"><span class="std std-ref">The Table class</span></a>) datasets
@@ -1007,7 +1005,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 <p class="rubric">IsDescription attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.IsDescription._v_pos">
-<span class="sig-name descname"><span class="pre">_v_pos</span></span><a class="headerlink" href="#tables.IsDescription._v_pos" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_pos</span></span><a class="headerlink" href="#tables.IsDescription._v_pos" title="Permalink to this definition">¶</a></dt>
 <dd><p>Sets the position of a possible nested column description among its
 sibling columns.  This attribute can be specified <em>when declaring</em>
 an IsDescription subclass to complement its <em>metadata</em>.</p>
@@ -1015,7 +1013,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.IsDescription.columns">
-<span class="sig-name descname"><span class="pre">columns</span></span><a class="headerlink" href="#tables.IsDescription.columns" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">columns</span></span><a class="headerlink" href="#tables.IsDescription.columns" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maps the name of each column in the description to its own descriptive
 object. This attribute is <em>automatically created</em> when an IsDescription
 subclass is declared.  Please note that declared columns can no longer
@@ -1026,16 +1024,16 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link to
 
 </section>
 <section id="description-helper-functions">
-<h2>Description helper functions<a class="headerlink" href="#description-helper-functions" title="Link to this heading">¶</a></h2>
+<h2>Description helper functions<a class="headerlink" href="#description-helper-functions" title="Permalink to this heading">¶</a></h2>
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.description.descr_from_dtype">
-<span class="sig-prename descclassname"><span class="pre">tables.description.</span></span><span class="sig-name descname"><span class="pre">descr_from_dtype</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dtype_</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ptparams</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#descr_from_dtype"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.description.descr_from_dtype" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.description.</span></span><span class="sig-name descname"><span class="pre">descr_from_dtype</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dtype_</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ptparams</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#descr_from_dtype"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.description.descr_from_dtype" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a description instance and byteorder from a (nested) NumPy dtype.</p>
 </dd></dl>
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.description.dtype_from_descr">
-<span class="sig-prename descclassname"><span class="pre">tables.description.</span></span><span class="sig-name descname"><span class="pre">dtype_from_descr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">descr</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ptparams</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#dtype_from_descr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.description.dtype_from_descr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.description.</span></span><span class="sig-name descname"><span class="pre">dtype_from_descr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">descr</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ptparams</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#dtype_from_descr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.description.dtype_from_descr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a (nested) NumPy dtype from a description instance and byteorder.</p>
 <p>The descr parameter can be a Description or IsDescription
 instance, sub-class of IsDescription or a dictionary.</p>
@@ -1043,10 +1041,10 @@ <h2>Description helper functions<a class="headerlink" href="#description-helper-
 
 </section>
 <section id="the-attributeset-class">
-<span id="attributesetclassdescr"></span><h2>The AttributeSet class<a class="headerlink" href="#the-attributeset-class" title="Link to this heading">¶</a></h2>
+<span id="attributesetclassdescr"></span><h2>The AttributeSet class<a class="headerlink" href="#the-attributeset-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.attributeset.</span></span><span class="sig-name descname"><span class="pre">AttributeSet</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.attributeset.</span></span><span class="sig-name descname"><span class="pre">AttributeSet</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet" title="Permalink to this definition">¶</a></dt>
 <dd><p>Container for the HDF5 attributes of a Node.</p>
 <p>This class provides methods to create new HDF5 node attributes,
 and to get, rename or delete existing ones.</p>
@@ -1086,7 +1084,7 @@ <h2>Description helper functions<a class="headerlink" href="#description-helper-
 get an idea of where things went wrong, as shown in this example:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">os</span><span class="o">,</span> <span class="nn">tempfile</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">tables</span> <span class="k">as</span> <span class="nn">tb</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="k">class</span> <span class="nc">MyClass</span><span class="p">:</span>
 <span class="gp">... </span>    <span class="n">foo</span> <span class="o">=</span> <span class="s1">&#39;bar&#39;</span>
 <span class="gp">...</span>
@@ -1097,7 +1095,7 @@ <h2>Description helper functions<a class="headerlink" href="#description-helper-
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">h5f</span><span class="o">.</span><span class="n">root</span><span class="o">.</span><span class="n">_v_attrs</span><span class="o">.</span><span class="n">obj</span><span class="o">.</span><span class="n">foo</span><span class="p">)</span>  <span class="c1"># retrieve it</span>
 <span class="go">bar</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">h5f</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="k">del</span> <span class="n">MyClass</span><span class="p">,</span> <span class="n">myObject</span>  <span class="c1"># delete class of object and reopen file</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">h5f</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">open_file</span><span class="p">(</span><span class="n">h5fname</span><span class="p">,</span> <span class="s1">&#39;r&#39;</span><span class="p">)</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="nb">repr</span><span class="p">(</span><span class="n">h5f</span><span class="o">.</span><span class="n">root</span><span class="o">.</span><span class="n">_v_attrs</span><span class="o">.</span><span class="n">obj</span><span class="p">))</span>
@@ -1141,44 +1139,44 @@ <h2>Description helper functions<a class="headerlink" href="#description-helper-
 <p class="rubric">AttributeSet attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._v_attrnames">
-<span class="sig-name descname"><span class="pre">_v_attrnames</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_attrnames" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_attrnames</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_attrnames" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list with all attribute names.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._v_attrnamessys">
-<span class="sig-name descname"><span class="pre">_v_attrnamessys</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_attrnamessys" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_attrnamessys</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_attrnamessys" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list with system attribute names.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._v_attrnamesuser">
-<span class="sig-name descname"><span class="pre">_v_attrnamesuser</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_attrnamesuser" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_attrnamesuser</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_attrnamesuser" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list with user attribute names.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._v_unimplemented">
-<span class="sig-name descname"><span class="pre">_v_unimplemented</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_unimplemented" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_unimplemented</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_unimplemented" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list of attribute names with unimplemented native HDF5 types.</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="attributeset-properties">
-<h3>AttributeSet properties<a class="headerlink" href="#attributeset-properties" title="Link to this heading">¶</a></h3>
+<h3>AttributeSet properties<a class="headerlink" href="#attributeset-properties" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._v_node">
-<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_v_node</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_v_node</span></span><a class="headerlink" href="#tables.attributeset.AttributeSet._v_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>The <code class="xref py py-class docutils literal notranslate"><span class="pre">Node</span></code> instance this attribute set is associated with.</p>
 </dd></dl>
 
 </section>
 <section id="attributeset-methods">
-<h3>AttributeSet methods<a class="headerlink" href="#attributeset-methods" title="Link to this heading">¶</a></h3>
+<h3>AttributeSet methods<a class="headerlink" href="#attributeset-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._f_copy">
-<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_f_copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet._f_copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet._f_copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_f_copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet._f_copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet._f_copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy attributes to the where node.</p>
 <p>Copies all user and certain system attributes to the given where
 node (a Node instance - see <a class="reference internal" href="hierarchy_classes.html#nodeclassdescr"><span class="std std-ref">The Node class</span></a>), replacing
@@ -1187,7 +1185,7 @@ <h3>AttributeSet methods<a class="headerlink" href="#attributeset-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._f_list">
-<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_f_list</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">attrset</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'user'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet._f_list"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet._f_list" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_f_list</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">attrset</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'user'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet._f_list"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet._f_list" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a list of attribute names.</p>
 <p>The attrset string selects the attribute set to be used.  A
 ‘user’ value returns only user attributes (this is the default).
@@ -1197,13 +1195,13 @@ <h3>AttributeSet methods<a class="headerlink" href="#attributeset-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet._f_rename">
-<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_f_rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">oldattrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newattrname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet._f_rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet._f_rename" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">_f_rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">oldattrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newattrname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet._f_rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet._f_rename" title="Permalink to this definition">¶</a></dt>
 <dd><p>Rename an attribute from oldattrname to newattrname.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.attributeset.AttributeSet.__contains__">
-<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet.__contains__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">AttributeSet.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/attributeset.html#AttributeSet.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.attributeset.AttributeSet.__contains__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is there an attribute with that name?</p>
 <p>A true value is returned if the attribute set has an attribute
 with the given name, false otherwise.</p>
diff --git a/usersguide/libref/expr_class.html b/usersguide/libref/expr_class.html
index f9a701b..fd276d0 100644
--- a/usersguide/libref/expr_class.html
+++ b/usersguide/libref/expr_class.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>General purpose expression evaluator class &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">General purpose expression evaluator class</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>General purpose expression evaluator class</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/expr_class.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,12 +95,12 @@
            <div itemprop="articleBody">
              
   <section id="general-purpose-expression-evaluator-class">
-<h1>General purpose expression evaluator class<a class="headerlink" href="#general-purpose-expression-evaluator-class" title="Link to this heading">¶</a></h1>
+<h1>General purpose expression evaluator class<a class="headerlink" href="#general-purpose-expression-evaluator-class" title="Permalink to this heading">¶</a></h1>
 <section id="the-expr-class">
-<h2>The Expr class<a class="headerlink" href="#the-expr-class" title="Link to this heading">¶</a></h2>
+<h2>The Expr class<a class="headerlink" href="#the-expr-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Expr">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Expr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">expr</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">uservars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Expr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">expr</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">uservars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr" title="Permalink to this definition">¶</a></dt>
 <dd><p>A class for evaluating expressions with arbitrary array-like objects.</p>
 <p>Expr is a class for evaluating expressions containing array-like objects.
 With it, you can evaluate expressions (like “3 * a + 4 * b”) that
@@ -174,65 +172,65 @@ <h2>The Expr class<a class="headerlink" href="#the-expr-class" title="Link to th
 <p class="rubric">Expr attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.append_mode">
-<span class="sig-name descname"><span class="pre">append_mode</span></span><a class="headerlink" href="#tables.Expr.append_mode" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">append_mode</span></span><a class="headerlink" href="#tables.Expr.append_mode" title="Permalink to this definition">¶</a></dt>
 <dd><p>The append mode for user-provided output containers.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.maindim">
-<span class="sig-name descname"><span class="pre">maindim</span></span><a class="headerlink" href="#tables.Expr.maindim" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">maindim</span></span><a class="headerlink" href="#tables.Expr.maindim" title="Permalink to this definition">¶</a></dt>
 <dd><p>Common main dimension for inputs in expression.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.names">
-<span class="sig-name descname"><span class="pre">names</span></span><a class="headerlink" href="#tables.Expr.names" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">names</span></span><a class="headerlink" href="#tables.Expr.names" title="Permalink to this definition">¶</a></dt>
 <dd><p>The names of variables in expression (list).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.out">
-<span class="sig-name descname"><span class="pre">out</span></span><a class="headerlink" href="#tables.Expr.out" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">out</span></span><a class="headerlink" href="#tables.Expr.out" title="Permalink to this definition">¶</a></dt>
 <dd><p>The user-provided container (if any) for the expression outcome.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.o_start">
-<span class="sig-name descname"><span class="pre">o_start</span></span><a class="headerlink" href="#tables.Expr.o_start" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">o_start</span></span><a class="headerlink" href="#tables.Expr.o_start" title="Permalink to this definition">¶</a></dt>
 <dd><p>The start range selection for the user-provided output.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.o_stop">
-<span class="sig-name descname"><span class="pre">o_stop</span></span><a class="headerlink" href="#tables.Expr.o_stop" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">o_stop</span></span><a class="headerlink" href="#tables.Expr.o_stop" title="Permalink to this definition">¶</a></dt>
 <dd><p>The stop range selection for the user-provided output.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.o_step">
-<span class="sig-name descname"><span class="pre">o_step</span></span><a class="headerlink" href="#tables.Expr.o_step" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">o_step</span></span><a class="headerlink" href="#tables.Expr.o_step" title="Permalink to this definition">¶</a></dt>
 <dd><p>The step range selection for the user-provided output.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.shape">
-<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Expr.shape" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Expr.shape" title="Permalink to this definition">¶</a></dt>
 <dd><p>Common shape for the arrays in expression.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Expr.values">
-<span class="sig-name descname"><span class="pre">values</span></span><a class="headerlink" href="#tables.Expr.values" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">values</span></span><a class="headerlink" href="#tables.Expr.values" title="Permalink to this definition">¶</a></dt>
 <dd><p>The values of variables in expression (list).</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="expr-methods">
-<h3>Expr methods<a class="headerlink" href="#expr-methods" title="Link to this heading">¶</a></h3>
+<h3>Expr methods<a class="headerlink" href="#expr-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Expr.eval">
-<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">eval</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.eval"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.eval" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">eval</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.eval"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.eval" title="Permalink to this definition">¶</a></dt>
 <dd><p>Evaluate the expression and return the outcome.</p>
 <p>Because of performance reasons, the computation order tries to go along
 the common main dimension of all inputs.  If not such a common main
@@ -261,7 +259,7 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Expr.set_inputs_range">
-<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">set_inputs_range</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.set_inputs_range"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.set_inputs_range" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">set_inputs_range</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.set_inputs_range"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.set_inputs_range" title="Permalink to this definition">¶</a></dt>
 <dd><p>Define a range for all inputs in expression.</p>
 <p>The computation will only take place for the range defined by
 the start, stop and step parameters in the main dimension of
@@ -273,7 +271,7 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Expr.set_output">
-<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">set_output</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">out</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">append_mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.set_output"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.set_output" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">set_output</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">out</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">append_mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.set_output"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.set_output" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set out as container for output as well as the append_mode.</p>
 <p>The out must be a container that is meant to keep the outcome of
 the expression.  It should be an homogeneous type container and
@@ -292,7 +290,7 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Expr.set_output_range">
-<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">set_output_range</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.set_output_range"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.set_output_range" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">set_output_range</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.set_output_range"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.set_output_range" title="Permalink to this definition">¶</a></dt>
 <dd><p>Define a range for user-provided output object.</p>
 <p>The output object will only be modified in the range specified by the
 start, stop and step parameters in the main dimension of output (or the
@@ -302,10 +300,10 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Link to this h
 
 </section>
 <section id="expr-special-methods">
-<h3>Expr special methods<a class="headerlink" href="#expr-special-methods" title="Link to this heading">¶</a></h3>
+<h3>Expr special methods<a class="headerlink" href="#expr-special-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Expr.__iter__">
-<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.__iter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Expr.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/expression.html#Expr.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Expr.__iter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the rows of the outcome of the expression.</p>
 <p>This iterator always returns rows as NumPy objects, so a possible out
 container specified in <a class="reference internal" href="#tables.Expr.set_output" title="tables.Expr.set_output"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Expr.set_output()</span></code></a> method is ignored here.</p>
diff --git a/usersguide/libref/file_class.html b/usersguide/libref/file_class.html
index 319bce9..3f7600e 100644
--- a/usersguide/libref/file_class.html
+++ b/usersguide/libref/file_class.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>File manipulation class &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">File manipulation class</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>File manipulation class</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/file_class.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,12 +95,12 @@
            <div itemprop="articleBody">
              
   <section id="file-manipulation-class">
-<h1>File manipulation class<a class="headerlink" href="#file-manipulation-class" title="Link to this heading">¶</a></h1>
+<h1>File manipulation class<a class="headerlink" href="#file-manipulation-class" title="Permalink to this heading">¶</a></h1>
 <section id="the-file-class">
-<span id="fileclassdescr"></span><h2>The File Class<a class="headerlink" href="#the-file-class" title="Link to this heading">¶</a></h2>
+<span id="fileclassdescr"></span><h2>The File Class<a class="headerlink" href="#the-file-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.File">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">File</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'r'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">root_uep</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">File</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'r'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">root_uep</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File" title="Permalink to this definition">¶</a></dt>
 <dd><p>The in-memory representation of a PyTables file.</p>
 <p>An instance of this class is returned when a PyTables file is
 opened with the <a class="reference internal" href="top_level.html#tables.open_file" title="tables.open_file"><code class="xref py py-func docutils literal notranslate"><span class="pre">tables.open_file()</span></code></a> function. It offers methods
@@ -187,37 +185,37 @@ <h1>File manipulation class<a class="headerlink" href="#file-manipulation-class"
 <p class="rubric">File attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.filename">
-<span class="sig-name descname"><span class="pre">filename</span></span><a class="headerlink" href="#tables.File.filename" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">filename</span></span><a class="headerlink" href="#tables.File.filename" title="Permalink to this definition">¶</a></dt>
 <dd><p>The name of the opened file.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.format_version">
-<span class="sig-name descname"><span class="pre">format_version</span></span><a class="headerlink" href="#tables.File.format_version" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">format_version</span></span><a class="headerlink" href="#tables.File.format_version" title="Permalink to this definition">¶</a></dt>
 <dd><p>The PyTables version number of this file.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.isopen">
-<span class="sig-name descname"><span class="pre">isopen</span></span><a class="headerlink" href="#tables.File.isopen" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">isopen</span></span><a class="headerlink" href="#tables.File.isopen" title="Permalink to this definition">¶</a></dt>
 <dd><p>True if the underlying file is open, false otherwise.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.mode">
-<span class="sig-name descname"><span class="pre">mode</span></span><a class="headerlink" href="#tables.File.mode" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">mode</span></span><a class="headerlink" href="#tables.File.mode" title="Permalink to this definition">¶</a></dt>
 <dd><p>The mode in which the file was opened.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.root">
-<span class="sig-name descname"><span class="pre">root</span></span><a class="headerlink" href="#tables.File.root" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">root</span></span><a class="headerlink" href="#tables.File.root" title="Permalink to this definition">¶</a></dt>
 <dd><p>The <em>root</em> of the object tree hierarchy (a Group instance).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.root_uep">
-<span class="sig-name descname"><span class="pre">root_uep</span></span><a class="headerlink" href="#tables.File.root_uep" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">root_uep</span></span><a class="headerlink" href="#tables.File.root_uep" title="Permalink to this definition">¶</a></dt>
 <dd><p>The UEP (user entry point) group name in the file (see
 the <a class="reference internal" href="top_level.html#tables.open_file" title="tables.open_file"><code class="xref py py-func docutils literal notranslate"><span class="pre">open_file()</span></code></a> function).</p>
 <div class="versionchanged">
@@ -228,32 +226,32 @@ <h1>File manipulation class<a class="headerlink" href="#file-manipulation-class"
 </dd></dl>
 
 <section id="file-properties">
-<h3>File properties<a class="headerlink" href="#file-properties" title="Link to this heading">¶</a></h3>
+<h3>File properties<a class="headerlink" href="#file-properties" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.title">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">title</span></span><a class="headerlink" href="#tables.File.title" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">title</span></span><a class="headerlink" href="#tables.File.title" title="Permalink to this definition">¶</a></dt>
 <dd><p>The title of the root group in the file.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.File.filters">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">filters</span></span><a class="headerlink" href="#tables.File.filters" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">filters</span></span><a class="headerlink" href="#tables.File.filters" title="Permalink to this definition">¶</a></dt>
 <dd><p>Default filter properties for the root group
 (see <a class="reference internal" href="helper_classes.html#filtersclassdescr"><span class="std std-ref">The Filters class</span></a>).</p>
 </dd></dl>
 
 </section>
 <section id="file-methods-file-handling">
-<h3>File methods - file handling<a class="headerlink" href="#file-methods-file-handling" title="Link to this heading">¶</a></h3>
+<h3>File methods - file handling<a class="headerlink" href="#file-methods-file-handling" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.close">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush all the alive leaves in object tree and close the file.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.copy_file">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dstfilename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_file"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_file" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dstfilename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_file"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy the contents of this file to dstfilename.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -286,13 +284,13 @@ <h3>File methods - file handling<a class="headerlink" href="#file-methods-file-h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.flush">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.flush"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.flush" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.flush"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.flush" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush all the alive leaves in the object tree.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.fileno">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.fileno" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.fileno" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the underlying OS integer file descriptor.</p>
 <p>This is needed for lower-level file interfaces, such as the <code class="docutils literal notranslate"><span class="pre">fcntl</span></code>
 module.</p>
@@ -300,19 +298,19 @@ <h3>File methods - file handling<a class="headerlink" href="#file-methods-file-h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.__enter__">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__enter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__enter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__enter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__enter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__enter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__enter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Enter a context and return the same file.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.__exit__">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__exit__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">exc_info</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__exit__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__exit__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__exit__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">exc_info</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__exit__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__exit__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Exit a context and close the file.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.__str__">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__str__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__str__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a short string representation of the object tree.</p>
 <p class="rubric">Examples</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">tables</span>
@@ -335,13 +333,13 @@ <h3>File methods - file handling<a class="headerlink" href="#file-methods-file-h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.__repr__">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__repr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__repr__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__repr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__repr__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a detailed string representation of the object tree.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.get_file_image">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_file_image</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.get_file_image" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_file_image</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.get_file_image" title="Permalink to this definition">¶</a></dt>
 <dd><p>Retrieves an in-memory image of an existing, open HDF5 file.</p>
 <div class="admonition note">
 <p class="admonition-title">Note</p>
@@ -354,7 +352,7 @@ <h3>File methods - file handling<a class="headerlink" href="#file-methods-file-h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.get_filesize">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_filesize</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.get_filesize" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_filesize</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.get_filesize" title="Permalink to this definition">¶</a></dt>
 <dd><p>Returns the size of an HDF5 file.</p>
 <p>The returned size is that of the entire file, as opposed to only
 the HDF5 portion of the file. I.e., size includes the user block,
@@ -367,7 +365,7 @@ <h3>File methods - file handling<a class="headerlink" href="#file-methods-file-h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.get_userblock_size">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_userblock_size</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.get_userblock_size" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_userblock_size</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.File.get_userblock_size" title="Permalink to this definition">¶</a></dt>
 <dd><p>Retrieves the size of a user block.</p>
 <div class="versionadded">
 <p><span class="versionmodified added">New in version 3.0.</span></p>
@@ -376,10 +374,10 @@ <h3>File methods - file handling<a class="headerlink" href="#file-methods-file-h
 
 </section>
 <section id="file-methods-hierarchy-manipulation">
-<h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-methods-hierarchy-manipulation" title="Link to this heading">¶</a></h3>
+<h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-methods-hierarchy-manipulation" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.copy_children">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_children</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">srcgroup</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dstgroup</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_children"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_children" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_children</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">srcgroup</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dstgroup</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_children"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_children" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy the children of a group into another group.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -402,7 +400,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.copy_node">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy the node specified by where and name to newparent/newname.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -445,7 +443,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_array">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_array"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_array" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_array"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_array" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a new array.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -480,7 +478,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 <p><span class="versionmodified added">New in version 3.0.</span></p>
 </div>
 </p></li>
-<li><p><strong>shape</strong> (<em>tuple</em><em> of </em><em>ints</em>) – <p>The shape of the stored array.</p>
+<li><p><strong>shape</strong> (<em>tuple of ints</em>) – <p>The shape of the stored array.</p>
 <div class="versionadded">
 <p><span class="versionmodified added">New in version 3.0.</span></p>
 </div>
@@ -511,7 +509,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_carray">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_carray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_carray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_carray" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_carray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_carray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_carray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a new chunked array.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -589,7 +587,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_earray">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_earray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">1000</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_earray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_earray" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_earray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">1000</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_earray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_earray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a new enlargeable array.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -670,7 +668,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_external_link">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_external_link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_external_link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_external_link" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_external_link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_external_link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_external_link" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create an external link.</p>
 <p>Create an external link to a <em>target</em> node with the given <em>name</em>
 in <em>where</em> location.  <em>target</em> can be a node object in another
@@ -682,7 +680,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_group">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_group</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_group"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_group" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_group</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_group"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_group" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a new group.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -715,7 +713,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_hard_link">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_hard_link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_hard_link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_hard_link" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_hard_link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_hard_link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_hard_link" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a hard link.</p>
 <p>Create a hard link to a <cite>target</cite> node with the given <cite>name</cite> in
 <cite>where</cite> location.  <cite>target</cite> can be a node object or a path
@@ -727,7 +725,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_soft_link">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_soft_link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_soft_link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_soft_link" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_soft_link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_soft_link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_soft_link" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a soft link (aka symbolic link) to a <cite>target</cite> node.</p>
 <p>Create a soft link (aka symbolic link) to a <cite>target</cite> nodewith
 the given <cite>name</cite> in <cite>where</cite> location.  <cite>target</cite> can be a node
@@ -741,7 +739,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_table">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_table</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">description</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">10000</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_table"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_table" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_table</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">description</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">10000</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_table"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_table" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a new table with the given name in where location.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -832,7 +830,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.create_vlarray">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_vlarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_vlarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_vlarray" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">create_vlarray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.create_vlarray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.create_vlarray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a new variable-length array.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -864,7 +862,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 <p><span class="versionmodified added">New in version 3.0.</span></p>
 </div>
 </p></li>
-<li><p><strong>chunkshape</strong> (<em>int</em><em> or </em><em>tuple</em><em> of </em><em>int</em><em>, </em><em>optional</em>) – The shape of the data chunk to be read or written in a
+<li><p><strong>chunkshape</strong> (<em>int</em><em> or </em><em>tuple of int</em><em>, </em><em>optional</em>) – The shape of the data chunk to be read or written in a
 single HDF5 I/O operation. Filters are applied to those
 chunks of data. The dimensionality of chunkshape must be 1.
 If None, a sensible value is calculated (which is recommended).</p></li>
@@ -912,7 +910,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.move_node">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">move_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.move_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.move_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">move_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.move_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.move_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Move the node specified by where and name to newparent/newname.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -938,7 +936,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.remove_node">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">remove_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.remove_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.remove_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">remove_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.remove_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.remove_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Remove the object node <em>name</em> under <em>where</em> location.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -959,7 +957,7 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.rename_node">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">rename_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.rename_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.rename_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">rename_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.rename_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.rename_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Change the name of the node specified by where and name to newname.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -978,10 +976,10 @@ <h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-metho
 
 </section>
 <section id="file-methods-tree-traversal">
-<h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-traversal" title="Link to this heading">¶</a></h3>
+<h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-traversal" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.get_node">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.get_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.get_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.get_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.get_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the node under where with the given name.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -1014,14 +1012,14 @@ <h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.is_visible_node">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">is_visible_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">path</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.is_visible_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.is_visible_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">is_visible_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">path</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.is_visible_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.is_visible_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is the node under <cite>path</cite> visible?</p>
 <p>If the node does not exist, a NoSuchNodeError is raised.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.iter_nodes">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">iter_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.iter_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.iter_nodes" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">iter_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.iter_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.iter_nodes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over children nodes hanging from where.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -1041,14 +1039,14 @@ <h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.list_nodes">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">list_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.list_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.list_nodes" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">list_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.list_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.list_nodes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a <em>list</em> with children nodes hanging from where.</p>
 <p>This is a list-returning version of <a class="reference internal" href="#tables.File.iter_nodes" title="tables.File.iter_nodes"><code class="xref py py-meth docutils literal notranslate"><span class="pre">File.iter_nodes()</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.walk_groups">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">walk_groups</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.walk_groups"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.walk_groups" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">walk_groups</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.walk_groups"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.walk_groups" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recursively iterate over groups (not leaves) hanging from where.</p>
 <p>The where group itself is listed first (preorder), then each of its
 child groups (following an alphanumerical order) is also traversed,
@@ -1060,7 +1058,7 @@ <h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.walk_nodes">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">walk_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.walk_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.walk_nodes" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">walk_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.walk_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.walk_nodes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recursively iterate over nodes hanging from where.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -1089,7 +1087,7 @@ <h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.__contains__">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">path</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__contains__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">path</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__contains__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is there a node with that path?</p>
 <p>Returns True if the file has a node with the given path (a
 string), False otherwise.</p>
@@ -1097,7 +1095,7 @@ <h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.__iter__">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__iter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.__iter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recursively iterate over the nodes in the tree.</p>
 <p>This is equivalent to calling <a class="reference internal" href="#tables.File.walk_nodes" title="tables.File.walk_nodes"><code class="xref py py-meth docutils literal notranslate"><span class="pre">File.walk_nodes()</span></code></a> with no
 arguments.</p>
@@ -1113,10 +1111,10 @@ <h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-
 
 </section>
 <section id="file-methods-undo-redo-support">
-<h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-undo-redo-support" title="Link to this heading">¶</a></h3>
+<h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-undo-redo-support" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.disable_undo">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">disable_undo</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.disable_undo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.disable_undo" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">disable_undo</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.disable_undo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.disable_undo" title="Permalink to this definition">¶</a></dt>
 <dd><p>Disable the Undo/Redo mechanism.</p>
 <p>Disabling the Undo/Redo mechanism leaves the database in the
 current state and forgets past and future database states. This
@@ -1128,7 +1126,7 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.enable_undo">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">enable_undo</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">Filters(complevel=1,</span> <span class="pre">complib='zlib',</span> <span class="pre">shuffle=True,</span> <span class="pre">bitshuffle=False,</span> <span class="pre">fletcher32=False,</span> <span class="pre">least_significant_digit=None)</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.enable_undo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.enable_undo" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">enable_undo</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">Filters(complevel=1,</span> <span class="pre">complib='zlib',</span> <span class="pre">shuffle=True,</span> <span class="pre">bitshuffle=False,</span> <span class="pre">fletcher32=False,</span> <span class="pre">least_significant_digit=None)</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.enable_undo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.enable_undo" title="Permalink to this definition">¶</a></dt>
 <dd><p>Enable the Undo/Redo mechanism.</p>
 <p>This operation prepares the database for undoing and redoing
 modifications in the node hierarchy. This
@@ -1146,7 +1144,7 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.get_current_mark">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_current_mark</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.get_current_mark"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.get_current_mark" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_current_mark</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.get_current_mark"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.get_current_mark" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the identifier of the current mark.</p>
 <p>Returns the identifier of the current mark. This can be used
 to know the state of a database after an application crash, or to
@@ -1159,7 +1157,7 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.goto">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">goto</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mark</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.goto"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.goto" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">goto</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mark</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.goto"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.goto" title="Permalink to this definition">¶</a></dt>
 <dd><p>Go to a specific mark of the database.</p>
 <p>Returns the database to the state associated with the specified mark.
 Both the identifier of a mark and its name can be used.</p>
@@ -1169,7 +1167,7 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.is_undo_enabled">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">is_undo_enabled</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.is_undo_enabled"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.is_undo_enabled" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">is_undo_enabled</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.is_undo_enabled"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.is_undo_enabled" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is the Undo/Redo mechanism enabled?</p>
 <p>Returns True if the Undo/Redo mechanism has been enabled for
 this file, False otherwise. Please note that this mechanism is
@@ -1179,7 +1177,7 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.mark">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">mark</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.mark"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.mark" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">mark</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.mark"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.mark" title="Permalink to this definition">¶</a></dt>
 <dd><p>Mark the state of the database.</p>
 <p>Creates a mark for the current state of the database. A unique (and
 immutable) identifier for the mark is returned. An optional name (a
@@ -1193,7 +1191,7 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.redo">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">redo</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mark</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.redo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.redo" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">redo</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mark</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.redo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.redo" title="Permalink to this definition">¶</a></dt>
 <dd><p>Go to a future state of the database.</p>
 <p>Returns the database to the state associated with the specified
 mark.  Both the identifier of a mark and its name can be used.
@@ -1206,7 +1204,7 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.undo">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">undo</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mark</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.undo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.undo" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">undo</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">mark</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.undo"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.undo" title="Permalink to this definition">¶</a></dt>
 <dd><p>Go to a past state of the database.</p>
 <p>Returns the database to the state associated with the specified mark.
 Both the identifier of a mark and its name can be used. If the mark is
@@ -1220,10 +1218,10 @@ <h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-un
 
 </section>
 <section id="file-methods-attribute-handling">
-<h3>File methods - attribute handling<a class="headerlink" href="#file-methods-attribute-handling" title="Link to this heading">¶</a></h3>
+<h3>File methods - attribute handling<a class="headerlink" href="#file-methods-attribute-handling" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.copy_node_attrs">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_node_attrs</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dstnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_node_attrs"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_node_attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">copy_node_attrs</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dstnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.copy_node_attrs"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.copy_node_attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy PyTables attributes from one node to another.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -1241,7 +1239,7 @@ <h3>File methods - attribute handling<a class="headerlink" href="#file-methods-a
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.del_node_attr">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">del_node_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.del_node_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.del_node_attr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">del_node_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.del_node_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.del_node_attr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Delete a PyTables attribute from the given node.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -1259,7 +1257,7 @@ <h3>File methods - attribute handling<a class="headerlink" href="#file-methods-a
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.get_node_attr">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_node_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.get_node_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.get_node_attr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">get_node_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.get_node_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.get_node_attr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a PyTables attribute from the given node.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -1277,7 +1275,7 @@ <h3>File methods - attribute handling<a class="headerlink" href="#file-methods-a
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.File.set_node_attr">
-<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">set_node_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrvalue</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.set_node_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.set_node_attr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">File.</span></span><span class="sig-name descname"><span class="pre">set_node_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">attrvalue</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#File.set_node_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.File.set_node_attr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a PyTables attribute for the given node.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
diff --git a/usersguide/libref/filenode_classes.html b/usersguide/libref/filenode_classes.html
index 3e908a4..6ee4d61 100644
--- a/usersguide/libref/filenode_classes.html
+++ b/usersguide/libref/filenode_classes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Filenode Module &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Filenode Module</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Filenode Module</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/filenode_classes.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,7 +95,7 @@
            <div itemprop="articleBody">
              
   <section id="module-tables.nodes.filenode">
-<span id="filenode-module"></span><span id="filenode-classes"></span><h1>Filenode Module<a class="headerlink" href="#module-tables.nodes.filenode" title="Link to this heading">¶</a></h1>
+<span id="filenode-module"></span><span id="filenode-classes"></span><h1>Filenode Module<a class="headerlink" href="#module-tables.nodes.filenode" title="Permalink to this heading">¶</a></h1>
 <p>A file interface to nodes for PyTables databases.</p>
 <p>The FileNode module provides a file interface for using inside of
 PyTables database files.  Use the new_node() function to create a brand
@@ -113,25 +111,25 @@
 compliant with the interfaces defined in the <code class="xref py py-mod docutils literal notranslate"><span class="pre">io</span></code> module.</p>
 </div>
 <section id="module-constants">
-<h2>Module constants<a class="headerlink" href="#module-constants" title="Link to this heading">¶</a></h2>
+<h2>Module constants<a class="headerlink" href="#module-constants" title="Permalink to this heading">¶</a></h2>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.nodes.filenode.NodeType">
-<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">NodeType</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'file'</span></em><a class="headerlink" href="#tables.nodes.filenode.NodeType" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">NodeType</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'file'</span></em><a class="headerlink" href="#tables.nodes.filenode.NodeType" title="Permalink to this definition">¶</a></dt>
 <dd><p>Value for NODE_TYPE node system attribute.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.nodes.filenode.NodeTypeVersions">
-<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">NodeTypeVersions</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">[1,</span> <span class="pre">2]</span></em><a class="headerlink" href="#tables.nodes.filenode.NodeTypeVersions" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">NodeTypeVersions</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">[1,</span> <span class="pre">2]</span></em><a class="headerlink" href="#tables.nodes.filenode.NodeTypeVersions" title="Permalink to this definition">¶</a></dt>
 <dd><p>Supported values for NODE_TYPE_VERSION node system attribute.</p>
 </dd></dl>
 
 </section>
 <section id="module-functions">
-<h2>Module functions<a class="headerlink" href="#module-functions" title="Link to this heading">¶</a></h2>
+<h2>Module functions<a class="headerlink" href="#module-functions" title="Permalink to this heading">¶</a></h2>
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.nodes.filenode.new_node">
-<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">new_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#new_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.new_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">new_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#new_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.new_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Creates a new file node object in the specified PyTables file object.</p>
 <p>Additional named arguments where and name must be passed to specify where
 the file node is to be created. Other named arguments such as title and
@@ -142,7 +140,7 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.nodes.filenode.open_node">
-<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">open_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'r'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#open_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.open_node" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">open_node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'r'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#open_node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.open_node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Opens an existing file node.</p>
 <p>Returns a file node object from the existing specified PyTables
 node. If mode is not specified or it is ‘r’, the file can only be
@@ -153,7 +151,7 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.nodes.filenode.read_from_filenode">
-<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">read_from_filenode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">create_target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#read_from_filenode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.read_from_filenode" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">read_from_filenode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">create_target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#read_from_filenode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.read_from_filenode" title="Permalink to this definition">¶</a></dt>
 <dd><p>Read a filenode from a PyTables file and write its contents to a file.</p>
 <div class="versionadded">
 <p><span class="versionmodified added">New in version 3.2.</span></p>
@@ -185,7 +183,7 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.nodes.filenode.save_to_filenode">
-<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">save_to_filenode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#save_to_filenode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.save_to_filenode" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">save_to_filenode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">where</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#save_to_filenode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.save_to_filenode" title="Permalink to this definition">¶</a></dt>
 <dd><p>Save a file’s contents to a filenode inside a PyTables file.</p>
 <div class="versionadded">
 <p><span class="versionmodified added">New in version 3.2.</span></p>
@@ -226,33 +224,33 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Link t
 
 </section>
 <section id="the-rawpytablesio-base-class">
-<h2>The RawPyTablesIO base class<a class="headerlink" href="#the-rawpytablesio-base-class" title="Link to this heading">¶</a></h2>
+<h2>The RawPyTablesIO base class<a class="headerlink" href="#the-rawpytablesio-base-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">RawPyTablesIO</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">RawPyTablesIO</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO" title="Permalink to this definition">¶</a></dt>
 <dd><p>Base class for raw binary I/O on HDF5 files using PyTables.</p>
 </dd></dl>
 
 <section id="rawpytablesio-attributes">
-<h3>RawPyTablesIO attributes<a class="headerlink" href="#rawpytablesio-attributes" title="Link to this heading">¶</a></h3>
+<h3>RawPyTablesIO attributes<a class="headerlink" href="#rawpytablesio-attributes" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.mode">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">mode</span></span><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.mode" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">mode</span></span><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.mode" title="Permalink to this definition">¶</a></dt>
 <dd><p>File mode.</p>
 </dd></dl>
 
 </section>
 <section id="rawpytablesio-methods">
-<h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" title="Link to this heading">¶</a></h3>
+<h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.tell">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">tell</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.tell"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.tell" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">tell</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.tell"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.tell" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return current stream position.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.seek">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">seek</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">whence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.seek"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.seek" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">seek</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">whence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.seek"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.seek" title="Permalink to this definition">¶</a></dt>
 <dd><p>Change stream position.</p>
 <p>Change the stream position to byte offset offset. offset is
 interpreted relative to the position indicated by whence.  Values
@@ -267,7 +265,7 @@ <h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.seekable">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">seekable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.seekable"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.seekable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">seekable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.seekable"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.seekable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object supports random access.</p>
 <p>If False, seek(), tell() and truncate() will raise IOError. This
 method may need to do a test seek().</p>
@@ -275,7 +273,7 @@ <h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.fileno">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.fileno"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.fileno" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.fileno"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.fileno" title="Permalink to this definition">¶</a></dt>
 <dd><p>Returns underlying file descriptor if one exists.</p>
 <p>An IOError is raised if the IO object does not use a file
 descriptor.</p>
@@ -283,21 +281,21 @@ <h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.close">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush and close the IO object.</p>
 <p>This method has no effect if the file is already closed.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.flush">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.flush"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.flush" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.flush"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.flush" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush write buffers, if applicable.</p>
 <p>This is not implemented for read-only and non-blocking streams.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.truncate">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">truncate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.truncate"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.truncate" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">truncate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.truncate"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.truncate" title="Permalink to this definition">¶</a></dt>
 <dd><p>Truncate file to size bytes.</p>
 <p>Size defaults to the current IO position as reported by tell().
 Return the new size.</p>
@@ -307,21 +305,21 @@ <h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.readable">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">readable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.readable"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.readable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">readable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.readable"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.readable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object was opened for reading.</p>
 <p>If False, read() will raise IOError.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.writable">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">writable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.writable"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.writable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">writable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.writable"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.writable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object was opened for writing.</p>
 <p>If False, write() and truncate() will raise IOError.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.readinto">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">readinto</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">b</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.readinto"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.readinto" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">readinto</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">b</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.readinto"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.readinto" title="Permalink to this definition">¶</a></dt>
 <dd><p>Read up to len(b) bytes into b.</p>
 <p>Returns number of bytes read (0 for EOF), or None if the object
 is set not to block as has no data to read.</p>
@@ -329,7 +327,7 @@ <h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.readline">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">readline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">limit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.readline"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.readline" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">readline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">limit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.readline"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.readline" title="Permalink to this definition">¶</a></dt>
 <dd><p>Read and return a line from the stream.</p>
 <p>If limit is specified, at most limit bytes will be read.</p>
 <p>The line terminator is always <code class="docutils literal notranslate"><span class="pre">\n</span></code> for binary files; for text
@@ -339,7 +337,7 @@ <h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RawPyTablesIO.write">
-<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">write</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">b</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.write"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.write" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RawPyTablesIO.</span></span><span class="sig-name descname"><span class="pre">write</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">b</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RawPyTablesIO.write"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RawPyTablesIO.write" title="Permalink to this definition">¶</a></dt>
 <dd><p>Write the given buffer to the IO stream.</p>
 <p>Returns the number of bytes written, which may be less than
 len(b).</p>
@@ -348,10 +346,10 @@ <h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" tit
 </section>
 </section>
 <section id="the-rofilenode-class">
-<h2>The ROFileNode class<a class="headerlink" href="#the-rofilenode-class" title="Link to this heading">¶</a></h2>
+<h2>The ROFileNode class<a class="headerlink" href="#the-rofilenode-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">ROFileNode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#ROFileNode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.ROFileNode" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">ROFileNode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#ROFileNode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.ROFileNode" title="Permalink to this definition">¶</a></dt>
 <dd><p>Creates a new read-only file node.</p>
 <p>Creates a new read-only file node associated with the specified
 PyTables node, providing a standard Python file interface to it.
@@ -381,31 +379,31 @@ <h2>The ROFileNode class<a class="headerlink" href="#the-rofilenode-class" title
 </dd></dl>
 
 <section id="rofilenode-attributes">
-<h3>ROFileNode attributes<a class="headerlink" href="#rofilenode-attributes" title="Link to this heading">¶</a></h3>
+<h3>ROFileNode attributes<a class="headerlink" href="#rofilenode-attributes" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.attrs">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>A property pointing to the attribute set of the file node.</p>
 </dd></dl>
 
 </section>
 <section id="rofilenode-methods">
-<h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Link to this heading">¶</a></h3>
+<h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.flush">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.flush" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.flush" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush write buffers, if applicable.</p>
 <p>This is not implemented for read-only and non-blocking streams.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.read">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">size</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.read" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">size</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.read" title="Permalink to this definition">¶</a></dt>
 <dd></dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.readline">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">readline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">limit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.readline" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">readline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">limit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.readline" title="Permalink to this definition">¶</a></dt>
 <dd><p>Read and return a line from the stream.</p>
 <p>If limit is specified, at most limit bytes will be read.</p>
 <p>The line terminator is always <code class="docutils literal notranslate"><span class="pre">\n</span></code> for binary files; for text
@@ -415,7 +413,7 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.readlines">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">readlines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">hint</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.readlines" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">readlines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">hint</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.readlines" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a list of lines from the stream.</p>
 <p>hint can be specified to control the number of lines read: no more
 lines will be read if the total size (in bytes/characters) of all
@@ -424,14 +422,14 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.close">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush and close the IO object.</p>
 <p>This method has no effect if the file is already closed.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.seek">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">seek</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">whence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.seek" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">seek</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">whence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.seek" title="Permalink to this definition">¶</a></dt>
 <dd><p>Change stream position.</p>
 <p>Change the stream position to byte offset offset. offset is
 interpreted relative to the position indicated by whence.  Values
@@ -446,27 +444,27 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.tell">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">tell</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.tell" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">tell</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.tell" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return current stream position.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.readable">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">readable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.readable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">readable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.readable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object was opened for reading.</p>
 <p>If False, read() will raise IOError.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.writable">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">writable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.writable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">writable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.writable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object was opened for writing.</p>
 <p>If False, write() and truncate() will raise IOError.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.seekable">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">seekable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.seekable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">seekable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.seekable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object supports random access.</p>
 <p>If False, seek(), tell() and truncate() will raise IOError. This
 method may need to do a test seek().</p>
@@ -474,7 +472,7 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.ROFileNode.fileno">
-<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.fileno" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ROFileNode.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.ROFileNode.fileno" title="Permalink to this definition">¶</a></dt>
 <dd><p>Returns underlying file descriptor if one exists.</p>
 <p>An IOError is raised if the IO object does not use a file
 descriptor.</p>
@@ -483,10 +481,10 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Li
 </section>
 </section>
 <section id="the-rafilenode-class">
-<h2>The RAFileNode class<a class="headerlink" href="#the-rafilenode-class" title="Link to this heading">¶</a></h2>
+<h2>The RAFileNode class<a class="headerlink" href="#the-rafilenode-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">RAFileNode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RAFileNode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RAFileNode" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.nodes.filenode.</span></span><span class="sig-name descname"><span class="pre">RAFileNode</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">node</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">h5file</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/nodes/filenode.html#RAFileNode"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.nodes.filenode.RAFileNode" title="Permalink to this definition">¶</a></dt>
 <dd><p>Creates a new read-write file node.</p>
 <p>The first syntax opens the specified PyTables node, while the
 second one creates a new node in the specified PyTables file.
@@ -520,31 +518,31 @@ <h2>The RAFileNode class<a class="headerlink" href="#the-rafilenode-class" title
 </dd></dl>
 
 <section id="rafilenode-attributes">
-<h3>RAFileNode attributes<a class="headerlink" href="#rafilenode-attributes" title="Link to this heading">¶</a></h3>
+<h3>RAFileNode attributes<a class="headerlink" href="#rafilenode-attributes" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.attrs">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>A property pointing to the attribute set of the file node.</p>
 </dd></dl>
 
 </section>
 <section id="rafilenode-methods">
-<h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Link to this heading">¶</a></h3>
+<h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.flush">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.flush" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.flush" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush write buffers, if applicable.</p>
 <p>This is not implemented for read-only and non-blocking streams.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.read">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">size</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.read" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">size</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.read" title="Permalink to this definition">¶</a></dt>
 <dd></dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.readline">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">readline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">limit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.readline" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">readline</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">limit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.readline" title="Permalink to this definition">¶</a></dt>
 <dd><p>Read and return a line from the stream.</p>
 <p>If limit is specified, at most limit bytes will be read.</p>
 <p>The line terminator is always <code class="docutils literal notranslate"><span class="pre">\n</span></code> for binary files; for text
@@ -554,7 +552,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.readlines">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">readlines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">hint</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.readlines" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">readlines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">hint</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.readlines" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a list of lines from the stream.</p>
 <p>hint can be specified to control the number of lines read: no more
 lines will be read if the total size (in bytes/characters) of all
@@ -563,7 +561,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.truncate">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">truncate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.truncate" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">truncate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.truncate" title="Permalink to this definition">¶</a></dt>
 <dd><p>Truncate file to size bytes.</p>
 <p>Size defaults to the current IO position as reported by tell().
 Return the new size.</p>
@@ -573,7 +571,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.write">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">write</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">b</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.write" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">write</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">b</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.write" title="Permalink to this definition">¶</a></dt>
 <dd><p>Write the given buffer to the IO stream.</p>
 <p>Returns the number of bytes written, which may be less than
 len(b).</p>
@@ -581,7 +579,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.writelines">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">writelines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">lines</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.writelines" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">writelines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">lines</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">/</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.writelines" title="Permalink to this definition">¶</a></dt>
 <dd><p>Write a list of lines to stream.</p>
 <p>Line separators are not added, so it is usual for each of the
 lines provided to have a line separator at the end.</p>
@@ -589,14 +587,14 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.close">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush and close the IO object.</p>
 <p>This method has no effect if the file is already closed.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.seek">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">seek</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">whence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.seek" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">seek</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pos</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">whence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.seek" title="Permalink to this definition">¶</a></dt>
 <dd><p>Change stream position.</p>
 <p>Change the stream position to byte offset offset. offset is
 interpreted relative to the position indicated by whence.  Values
@@ -611,27 +609,27 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.tell">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">tell</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.tell" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">tell</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.tell" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return current stream position.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.readable">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">readable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.readable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">readable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.readable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object was opened for reading.</p>
 <p>If False, read() will raise IOError.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.writable">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">writable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.writable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">writable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.writable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object was opened for writing.</p>
 <p>If False, write() and truncate() will raise IOError.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.seekable">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">seekable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.seekable" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">seekable</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.seekable" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return whether object supports random access.</p>
 <p>If False, seek(), tell() and truncate() will raise IOError. This
 method may need to do a test seek().</p>
@@ -639,7 +637,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Li
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.nodes.filenode.RAFileNode.fileno">
-<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.fileno" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">RAFileNode.</span></span><span class="sig-name descname"><span class="pre">fileno</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.nodes.filenode.RAFileNode.fileno" title="Permalink to this definition">¶</a></dt>
 <dd><p>Returns underlying file descriptor if one exists.</p>
 <p>An IOError is raised if the IO object does not use a file
 descriptor.</p>
diff --git a/usersguide/libref/helper_classes.html b/usersguide/libref/helper_classes.html
index ae775d0..7461b1f 100644
--- a/usersguide/libref/helper_classes.html
+++ b/usersguide/libref/helper_classes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Helper classes &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Helper classes</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Helper classes</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/helper_classes.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,14 +95,14 @@
            <div itemprop="articleBody">
              
   <section id="helper-classes">
-<h1>Helper classes<a class="headerlink" href="#helper-classes" title="Link to this heading">¶</a></h1>
+<h1>Helper classes<a class="headerlink" href="#helper-classes" title="Permalink to this heading">¶</a></h1>
 <p>This section describes some classes that do not fit in any other
 section and that mainly serve for ancillary purposes.</p>
 <section id="the-filters-class">
-<span id="filtersclassdescr"></span><h2>The Filters class<a class="headerlink" href="#the-filters-class" title="Link to this heading">¶</a></h2>
+<span id="filtersclassdescr"></span><h2>The Filters class<a class="headerlink" href="#the-filters-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Filters">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Filters</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">complevel</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">complib</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'zlib'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shuffle</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">bitshuffle</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fletcher32</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">least_significant_digit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/filters.html#Filters"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Filters" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Filters</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">complevel</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">complib</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'zlib'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shuffle</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">bitshuffle</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fletcher32</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">least_significant_digit</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/filters.html#Filters"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Filters" title="Permalink to this definition">¶</a></dt>
 <dd><p>Container for filter properties.</p>
 <p>This class is meant to serve as a container that keeps information about
 the filter properties associated with the chunked leaves, that is Table,
@@ -197,42 +195,42 @@ <h1>Helper classes<a class="headerlink" href="#helper-classes" title="Link to th
 <p class="rubric">Filters attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Filters.fletcher32">
-<span class="sig-name descname"><span class="pre">fletcher32</span></span><a class="headerlink" href="#tables.Filters.fletcher32" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">fletcher32</span></span><a class="headerlink" href="#tables.Filters.fletcher32" title="Permalink to this definition">¶</a></dt>
 <dd><p>Whether the <em>Fletcher32</em> filter is active or not.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Filters.complevel">
-<span class="sig-name descname"><span class="pre">complevel</span></span><a class="headerlink" href="#tables.Filters.complevel" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">complevel</span></span><a class="headerlink" href="#tables.Filters.complevel" title="Permalink to this definition">¶</a></dt>
 <dd><p>The compression level (0 disables compression).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Filters.complib">
-<span class="sig-name descname"><span class="pre">complib</span></span><a class="headerlink" href="#tables.Filters.complib" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">complib</span></span><a class="headerlink" href="#tables.Filters.complib" title="Permalink to this definition">¶</a></dt>
 <dd><p>The compression filter used (irrelevant when compression is not
 enabled).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Filters.shuffle">
-<span class="sig-name descname"><span class="pre">shuffle</span></span><a class="headerlink" href="#tables.Filters.shuffle" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">shuffle</span></span><a class="headerlink" href="#tables.Filters.shuffle" title="Permalink to this definition">¶</a></dt>
 <dd><p>Whether the <em>Shuffle</em> filter is active or not.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Filters.bitshuffle">
-<span class="sig-name descname"><span class="pre">bitshuffle</span></span><a class="headerlink" href="#tables.Filters.bitshuffle" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">bitshuffle</span></span><a class="headerlink" href="#tables.Filters.bitshuffle" title="Permalink to this definition">¶</a></dt>
 <dd><p>Whether the <em>BitShuffle</em> filter is active or not (Blosc/Blosc2 only).</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="filters-methods">
-<h3>Filters methods<a class="headerlink" href="#filters-methods" title="Link to this heading">¶</a></h3>
+<h3>Filters methods<a class="headerlink" href="#filters-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Filters.copy">
-<span class="sig-prename descclassname"><span class="pre">Filters.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">override</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/filters.html#Filters.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Filters.copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Filters.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">override</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/filters.html#Filters.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Filters.copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a copy of the filters, possibly overriding some arguments.</p>
 <p>Constructor arguments to be overridden must be passed as keyword
 arguments.</p>
@@ -265,10 +263,10 @@ <h3>Filters methods<a class="headerlink" href="#filters-methods" title="Link to
 </section>
 </section>
 <section id="the-index-class">
-<span id="indexclassdescr"></span><h2>The Index class<a class="headerlink" href="#the-index-class" title="Link to this heading">¶</a></h2>
+<span id="indexclassdescr"></span><h2>The Index class<a class="headerlink" href="#the-index-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.index.Index">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.index.</span></span><span class="sig-name descname"><span class="pre">Index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">kind</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">optlevel</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tmp_dir</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">blocksizes</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.index.</span></span><span class="sig-name descname"><span class="pre">Index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">kind</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">optlevel</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tmp_dir</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">blocksizes</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index" title="Permalink to this definition">¶</a></dt>
 <dd><p>Represents the index of a column in a table.</p>
 <p>This class is used to keep the indexing information for columns in a Table
 dataset (see <a class="reference internal" href="structured_storage.html#tableclassdescr"><span class="std std-ref">The Table class</span></a>). It is actually a descendant of the
@@ -311,17 +309,17 @@ <h3>Filters methods<a class="headerlink" href="#filters-methods" title="Link to
 </dd></dl>
 
 <section id="index-instance-variables">
-<h3>Index instance variables<a class="headerlink" href="#index-instance-variables" title="Link to this heading">¶</a></h3>
+<h3>Index instance variables<a class="headerlink" href="#index-instance-variables" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.index.Index.column">
-<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">column</span></span><a class="headerlink" href="#tables.index.Index.column" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">column</span></span><a class="headerlink" href="#tables.index.Index.column" title="Permalink to this definition">¶</a></dt>
 <dd><p>The Column (see <a class="reference internal" href="structured_storage.html#columnclassdescr"><span class="std std-ref">The Column class</span></a>) instance for the indexed
 column.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.index.Index.dirty">
-<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">dirty</span></span><a class="headerlink" href="#tables.index.Index.dirty" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">dirty</span></span><a class="headerlink" href="#tables.index.Index.dirty" title="Permalink to this definition">¶</a></dt>
 <dd><p>Whether the index is dirty or not.
 Dirty indexes are out of sync with column data, so they exist but they
 are not usable.</p>
@@ -329,14 +327,14 @@ <h3>Index instance variables<a class="headerlink" href="#index-instance-variable
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.index.Index.filters">
-<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">filters</span></span><a class="headerlink" href="#tables.index.Index.filters" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">filters</span></span><a class="headerlink" href="#tables.index.Index.filters" title="Permalink to this definition">¶</a></dt>
 <dd><p>Filter properties for this index - see Filters in
 <a class="reference internal" href="#filtersclassdescr"><span class="std std-ref">The Filters class</span></a>.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.index.Index.is_csi">
-<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">is_csi</span></span><a class="headerlink" href="#tables.index.Index.is_csi" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">is_csi</span></span><a class="headerlink" href="#tables.index.Index.is_csi" title="Permalink to this definition">¶</a></dt>
 <dd><p>Whether the index is completely sorted or not.</p>
 <div class="versionchanged">
 <p><span class="versionmodified changed">Changed in version 3.0: </span>The <em>is_CSI</em> property has been renamed into <em>is_csi</em>.</p>
@@ -345,16 +343,16 @@ <h3>Index instance variables<a class="headerlink" href="#index-instance-variable
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.tables.index.Index.nelements">
-<span class="sig-prename descclassname"><span class="pre">tables.index.Index.</span></span><span class="sig-name descname"><span class="pre">nelements</span></span><a class="headerlink" href="#tables.tables.index.Index.nelements" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.index.Index.</span></span><span class="sig-name descname"><span class="pre">nelements</span></span><a class="headerlink" href="#tables.tables.index.Index.nelements" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of currently indexed rows for this column.</p>
 </dd></dl>
 
 </section>
 <section id="index-methods">
-<h3>Index methods<a class="headerlink" href="#index-methods" title="Link to this heading">¶</a></h3>
+<h3>Index methods<a class="headerlink" href="#index-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.index.Index.read_sorted">
-<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">read_sorted</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index.read_sorted"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index.read_sorted" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">read_sorted</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index.read_sorted"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index.read_sorted" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the sorted values of index in the specified range.</p>
 <p>The meaning of the start, stop and step arguments is the same as in
 <code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.read_sorted()</span></code>.</p>
@@ -362,7 +360,7 @@ <h3>Index methods<a class="headerlink" href="#index-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.index.Index.read_indices">
-<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">read_indices</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index.read_indices"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index.read_indices" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">read_indices</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index.read_indices"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index.read_indices" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the indices values of index in the specified range.</p>
 <p>The meaning of the start, stop and step arguments is the same as in
 <code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.read_sorted()</span></code>.</p>
@@ -370,10 +368,10 @@ <h3>Index methods<a class="headerlink" href="#index-methods" title="Link to this
 
 </section>
 <section id="index-special-methods">
-<h3>Index special methods<a class="headerlink" href="#index-special-methods" title="Link to this heading">¶</a></h3>
+<h3>Index special methods<a class="headerlink" href="#index-special-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.index.Index.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Index.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/index.html#Index.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.index.Index.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the indices values of index in the specified range.</p>
 <p>If key argument is an integer, the corresponding index is returned.  If
 key is a slice, the range of indices determined by it is returned.  A
@@ -385,10 +383,10 @@ <h3>Index special methods<a class="headerlink" href="#index-special-methods" tit
 </section>
 </section>
 <section id="the-indexarray-class">
-<h2>The IndexArray class<a class="headerlink" href="#the-indexarray-class" title="Link to this heading">¶</a></h2>
+<h2>The IndexArray class<a class="headerlink" href="#the-indexarray-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.indexes.IndexArray">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.indexes.</span></span><span class="sig-name descname"><span class="pre">IndexArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/indexes.html#IndexArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.indexes.IndexArray" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.indexes.</span></span><span class="sig-name descname"><span class="pre">IndexArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/indexes.html#IndexArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.indexes.IndexArray" title="Permalink to this definition">¶</a></dt>
 <dd><p>Represent the index (sorted or reverse index) dataset in HDF5 file.</p>
 <p>All NumPy typecodes are supported except for complex datatypes.</p>
 <dl class="field-list simple">
@@ -411,13 +409,13 @@ <h2>The IndexArray class<a class="headerlink" href="#the-indexarray-class" title
 </dl>
 <dl class="py property">
 <dt class="sig sig-object py" id="tables.indexes.IndexArray.chunksize">
-<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">chunksize</span></span><a class="headerlink" href="#tables.indexes.IndexArray.chunksize" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">chunksize</span></span><a class="headerlink" href="#tables.indexes.IndexArray.chunksize" title="Permalink to this definition">¶</a></dt>
 <dd><p>The chunksize for this object.</p>
 </dd></dl>
 
 <dl class="py property">
 <dt class="sig sig-object py" id="tables.indexes.IndexArray.slicesize">
-<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">slicesize</span></span><a class="headerlink" href="#tables.indexes.IndexArray.slicesize" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">slicesize</span></span><a class="headerlink" href="#tables.indexes.IndexArray.slicesize" title="Permalink to this definition">¶</a></dt>
 <dd><p>The slicesize for this object.</p>
 </dd></dl>
 
@@ -425,10 +423,10 @@ <h2>The IndexArray class<a class="headerlink" href="#the-indexarray-class" title
 
 </section>
 <section id="the-enum-class">
-<span id="enumclassdescr"></span><h2>The Enum class<a class="headerlink" href="#the-enum-class" title="Link to this heading">¶</a></h2>
+<span id="enumclassdescr"></span><h2>The Enum class<a class="headerlink" href="#the-enum-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.misc.enum.Enum">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.misc.enum.</span></span><span class="sig-name descname"><span class="pre">Enum</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">enum</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.misc.enum.Enum" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.misc.enum.</span></span><span class="sig-name descname"><span class="pre">Enum</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">enum</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.misc.enum.Enum" title="Permalink to this definition">¶</a></dt>
 <dd><p>Enumerated type.</p>
 <p>Each instance of this class represents an enumerated type. The
 values of the type must be declared
@@ -510,10 +508,10 @@ <h2>The IndexArray class<a class="headerlink" href="#the-indexarray-class" title
 </dd></dl>
 
 <section id="enum-special-methods">
-<h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title="Link to this heading">¶</a></h3>
+<h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__call__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__call__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">value</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">default</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__call__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__call__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__call__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">value</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">default</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__call__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__call__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the name of the enumerated value with that concrete value.</p>
 <p>If there is no value with that concrete value in the enumeration and a
 second argument is given as a default, this is returned. Else, a
@@ -532,7 +530,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 <span class="go">True</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">enum</span><span class="p">(</span><span class="mi">42</span><span class="p">)</span>
 <span class="gt">Traceback (most recent call last):</span>
-<span class="w">  </span><span class="c">...</span>
+  <span class="c">...</span>
 <span class="gr">ValueError</span>: <span class="n">no enumerated value with that concrete value: 42</span>
 </pre></div>
 </div>
@@ -540,7 +538,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__contains__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__contains__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__contains__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is there an enumerated value with that name in the type?</p>
 <p>If the enumerated type has an enumerated value with that name, True is
 returned.  Otherwise, False is returned. The name must be a string.</p>
@@ -558,11 +556,11 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 <span class="go">False</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="mi">0</span> <span class="ow">in</span> <span class="n">enum</span>
 <span class="gt">Traceback (most recent call last):</span>
-<span class="w">  </span><span class="c">...</span>
+  <span class="c">...</span>
 <span class="gr">TypeError</span>: <span class="n">name of enumerated value is not a string: 0</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">enum</span><span class="o">.</span><span class="n">T1</span> <span class="ow">in</span> <span class="n">enum</span>  <span class="c1"># Be careful with this!</span>
 <span class="gt">Traceback (most recent call last):</span>
-<span class="w">  </span><span class="c">...</span>
+  <span class="c">...</span>
 <span class="gr">TypeError</span>: <span class="n">name of enumerated value is not a string: 2</span>
 </pre></div>
 </div>
@@ -570,7 +568,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__eq__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__eq__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">other</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__eq__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__eq__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__eq__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">other</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__eq__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__eq__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is the other enumerated type equivalent to this one?</p>
 <p>Two enumerated types are equivalent if they have exactly the same
 enumerated values (i.e. with the same names and concrete values).</p>
@@ -611,7 +609,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__getattr__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__getattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__getattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__getattr__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__getattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__getattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__getattr__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the concrete value of the enumerated value with that name.</p>
 <p>The name of the enumerated value must be a string. If there is no value
 with that name in the enumeration, an AttributeError is raised.</p>
@@ -625,7 +623,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 <span class="go">2</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">enum</span><span class="o">.</span><span class="n">foo</span>
 <span class="gt">Traceback (most recent call last):</span>
-<span class="w">  </span><span class="c">...</span>
+  <span class="c">...</span>
 <span class="gr">AttributeError</span>: <span class="n">no enumerated value with that name: &#39;foo&#39;</span>
 </pre></div>
 </div>
@@ -633,7 +631,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the concrete value of the enumerated value with that name.</p>
 <p>The name of the enumerated value must be a string. If there is no value
 with that name in the enumeration, a KeyError is raised.</p>
@@ -647,7 +645,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 <span class="go">2</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">enum</span><span class="p">[</span><span class="s1">&#39;foo&#39;</span><span class="p">]</span>
 <span class="gt">Traceback (most recent call last):</span>
-<span class="w">  </span><span class="c">...</span>
+  <span class="c">...</span>
 <span class="gr">KeyError</span>: <span class="n">&quot;no enumerated value with that name: &#39;foo&#39;&quot;</span>
 </pre></div>
 </div>
@@ -655,7 +653,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__iter__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__iter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__iter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the enumerated values.</p>
 <p>Enumerated values are returned as (name, value) pairs <em>in no particular
 order</em>.</p>
@@ -671,7 +669,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__len__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__len__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__len__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the number of enumerated values in the enumerated type.</p>
 <p class="rubric">Examples</p>
 <div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="nb">len</span><span class="p">(</span><span class="n">Enum</span><span class="p">([</span><span class="s1">&#39;e</span><span class="si">%d</span><span class="s1">&#39;</span> <span class="o">%</span> <span class="n">i</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">10</span><span class="p">)]))</span>
@@ -682,7 +680,7 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Enum.__repr__">
-<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__repr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__repr__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Enum.</span></span><span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/misc/enum.html#Enum.__repr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Enum.__repr__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the canonical string representation of the enumeration. The
 output of this method can be evaluated to give a new enumeration object
 that will compare equal to this one.</p>
@@ -696,10 +694,10 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 </section>
 </section>
 <section id="the-unimplemented-class">
-<span id="unimplementedclassdescr"></span><h2>The UnImplemented class<a class="headerlink" href="#the-unimplemented-class" title="Link to this heading">¶</a></h2>
+<span id="unimplementedclassdescr"></span><h2>The UnImplemented class<a class="headerlink" href="#the-unimplemented-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.UnImplemented">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UnImplemented</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/unimplemented.html#UnImplemented"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UnImplemented" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UnImplemented</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/unimplemented.html#UnImplemented"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UnImplemented" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents datasets not supported by PyTables in an HDF5
 file.</p>
 <p>When reading a generic HDF5 file (i.e. one that has not been created with
@@ -720,20 +718,20 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 those inherited from the Leaf class (see <a class="reference internal" href="hierarchy_classes.html#leafclassdescr"><span class="std std-ref">The Leaf class</span></a>).</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.UnImplemented.byteorder">
-<span class="sig-name descname"><span class="pre">byteorder</span></span><a class="headerlink" href="#tables.UnImplemented.byteorder" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">byteorder</span></span><a class="headerlink" href="#tables.UnImplemented.byteorder" title="Permalink to this definition">¶</a></dt>
 <dd><p>The endianness of data in memory (‘big’, ‘little’ or
 ‘irrelevant’).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.UnImplemented.nrows">
-<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.UnImplemented.nrows" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.UnImplemented.nrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>The length of the first dimension of the data.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.UnImplemented.shape">
-<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.UnImplemented.shape" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.UnImplemented.shape" title="Permalink to this definition">¶</a></dt>
 <dd><p>The shape of the stored data.</p>
 </dd></dl>
 
@@ -741,10 +739,10 @@ <h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title
 
 </section>
 <section id="the-unknown-class">
-<h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link to this heading">¶</a></h2>
+<h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Unknown">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Unknown</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/unimplemented.html#Unknown"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Unknown" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Unknown</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/unimplemented.html#Unknown"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Unknown" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents nodes reported as <em>unknown</em> by the underlying
 HDF5 library.</p>
 <p>This class does not have any public instance variables or methods, except
@@ -753,12 +751,12 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 </section>
 <section id="exceptions-module">
-<span id="exceptionsdescr"></span><h2>Exceptions module<a class="headerlink" href="#exceptions-module" title="Link to this heading">¶</a></h2>
+<span id="exceptionsdescr"></span><h2>Exceptions module<a class="headerlink" href="#exceptions-module" title="Permalink to this heading">¶</a></h2>
 <p>In the <code class="xref py py-mod docutils literal notranslate"><span class="pre">exceptions</span></code> module exceptions and warnings that are specific
 to PyTables are declared.</p>
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.HDF5ExtError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">HDF5ExtError</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/exceptions.html#HDF5ExtError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.HDF5ExtError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">HDF5ExtError</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/exceptions.html#HDF5ExtError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.HDF5ExtError" title="Permalink to this definition">¶</a></dt>
 <dd><p>A low level HDF5 operation failed.</p>
 <p>This exception is raised the low level PyTables components used for
 accessing HDF5 files.  It usually signals that something is not
@@ -794,7 +792,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 </dl>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.HDF5ExtError.format_h5_backtrace">
-<span class="sig-name descname"><span class="pre">format_h5_backtrace</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">backtrace</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/exceptions.html#HDF5ExtError.format_h5_backtrace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.HDF5ExtError.format_h5_backtrace" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">format_h5_backtrace</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">backtrace</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/exceptions.html#HDF5ExtError.format_h5_backtrace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.HDF5ExtError.format_h5_backtrace" title="Permalink to this definition">¶</a></dt>
 <dd><p>Convert the HDF5 trace back represented as a list of tuples.
 (see <a class="reference internal" href="#tables.HDF5ExtError.h5backtrace" title="tables.HDF5ExtError.h5backtrace"><code class="xref py py-attr docutils literal notranslate"><span class="pre">HDF5ExtError.h5backtrace</span></code></a>) into a string.</p>
 <div class="versionadded">
@@ -804,7 +802,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY">
-<span class="sig-name descname"><span class="pre">DEFAULT_H5_BACKTRACE_POLICY</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'VERBOSE'</span></em><a class="headerlink" href="#tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">DEFAULT_H5_BACKTRACE_POLICY</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'VERBOSE'</span></em><a class="headerlink" href="#tables.HDF5ExtError.DEFAULT_H5_BACKTRACE_POLICY" title="Permalink to this definition">¶</a></dt>
 <dd><p>Default policy for HDF5 backtrace handling</p>
 <ul class="simple">
 <li><p>if set to False the HDF5 back trace is ignored and the
@@ -830,7 +828,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.HDF5ExtError.h5backtrace">
-<span class="sig-name descname"><span class="pre">h5backtrace</span></span><a class="headerlink" href="#tables.HDF5ExtError.h5backtrace" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">h5backtrace</span></span><a class="headerlink" href="#tables.HDF5ExtError.h5backtrace" title="Permalink to this definition">¶</a></dt>
 <dd><p>HDF5 back trace.</p>
 <p>Contains the HDF5 back trace as a (possibly empty) list of
 tuples.  Each tuple has the following format:</p>
@@ -859,14 +857,14 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.ClosedNodeError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ClosedNodeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#ClosedNodeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ClosedNodeError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ClosedNodeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#ClosedNodeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ClosedNodeError" title="Permalink to this definition">¶</a></dt>
 <dd><p>The operation can not be completed because the node is closed.</p>
 <p>For instance, listing the children of a closed group is not allowed.</p>
 </dd></dl>
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.ClosedFileError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ClosedFileError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#ClosedFileError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ClosedFileError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ClosedFileError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#ClosedFileError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ClosedFileError" title="Permalink to this definition">¶</a></dt>
 <dd><p>The operation can not be completed because the hosting file is closed.</p>
 <p>For instance, getting an existing node from a closed file is not
 allowed.</p>
@@ -874,7 +872,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.FileModeError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FileModeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FileModeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FileModeError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FileModeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FileModeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FileModeError" title="Permalink to this definition">¶</a></dt>
 <dd><p>The operation can not be carried out because the mode in which the
 hosting file is opened is not adequate.</p>
 <p>For instance, removing an existing leaf from a read-only file is not
@@ -883,7 +881,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.NodeError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">NodeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#NodeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.NodeError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">NodeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#NodeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.NodeError" title="Permalink to this definition">¶</a></dt>
 <dd><p>Invalid hierarchy manipulation operation requested.</p>
 <p>This exception is raised when the user requests an operation on the
 hierarchy which can not be run because of the current layout of the
@@ -899,7 +897,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.NoSuchNodeError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">NoSuchNodeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#NoSuchNodeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.NoSuchNodeError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">NoSuchNodeError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#NoSuchNodeError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.NoSuchNodeError" title="Permalink to this definition">¶</a></dt>
 <dd><p>An operation was requested on a node that does not exist.</p>
 <p>This exception is raised when an operation gets a path name or a
 <code class="docutils literal notranslate"><span class="pre">(where,</span> <span class="pre">name)</span></code> pair leading to a nonexistent node.</p>
@@ -907,7 +905,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.UndoRedoError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UndoRedoError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#UndoRedoError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UndoRedoError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UndoRedoError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#UndoRedoError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UndoRedoError" title="Permalink to this definition">¶</a></dt>
 <dd><p>Problems with doing/redoing actions with Undo/Redo feature.</p>
 <p>This exception indicates a problem related to the Undo/Redo
 mechanism, such as trying to undo or redo actions with this
@@ -916,14 +914,14 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.UndoRedoWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UndoRedoWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#UndoRedoWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UndoRedoWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">UndoRedoWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#UndoRedoWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.UndoRedoWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Issued when an action not supporting Undo/Redo is run.</p>
 <p>This warning is only shown when the Undo/Redo mechanism is enabled.</p>
 </dd></dl>
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.NaturalNameWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">NaturalNameWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#NaturalNameWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.NaturalNameWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">NaturalNameWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#NaturalNameWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.NaturalNameWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Issued when a non-pythonic name is given for a node.</p>
 <p>This is not an error and may even be very useful in certain
 contexts, but one should be aware that such nodes cannot be
@@ -933,7 +931,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.PerformanceWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">PerformanceWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#PerformanceWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.PerformanceWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">PerformanceWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#PerformanceWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.PerformanceWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Warning for operations which may cause a performance drop.</p>
 <p>This warning is issued when an operation is made on the database
 which may cause it to slow down on future operations (i.e. making
@@ -942,7 +940,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.FlavorError">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FlavorError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FlavorError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FlavorError" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FlavorError</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FlavorError"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FlavorError" title="Permalink to this definition">¶</a></dt>
 <dd><p>Unsupported or unavailable flavor or flavor conversion.</p>
 <p>This exception is raised when an unsupported or unavailable flavor
 is given to a dataset, or when a conversion of data between two
@@ -951,7 +949,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.FlavorWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FlavorWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FlavorWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FlavorWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FlavorWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FlavorWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FlavorWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Unsupported or unavailable flavor conversion.</p>
 <p>This warning is issued when a conversion of data between two given
 flavors is not supported nor available, and raising an error would
@@ -962,7 +960,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.FiltersWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FiltersWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FiltersWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FiltersWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">FiltersWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#FiltersWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.FiltersWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Unavailable filters.</p>
 <p>This warning is issued when a valid filter is specified but it is
 not available in the system.  It may mean that an available default
@@ -971,7 +969,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.OldIndexWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">OldIndexWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#OldIndexWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.OldIndexWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">OldIndexWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#OldIndexWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.OldIndexWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Unsupported index format.</p>
 <p>This warning is issued when an index in an unsupported format is
 found.  The index will be marked as invalid and will behave as if
@@ -980,7 +978,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.DataTypeWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">DataTypeWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#DataTypeWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.DataTypeWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">DataTypeWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#DataTypeWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.DataTypeWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Unsupported data type.</p>
 <p>This warning is issued when an unsupported HDF5 data type is found
 (normally in a file created with other tool than PyTables).</p>
@@ -988,7 +986,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link
 
 <dl class="py exception">
 <dt class="sig sig-object py" id="tables.ExperimentalFeatureWarning">
-<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ExperimentalFeatureWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#ExperimentalFeatureWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ExperimentalFeatureWarning" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">ExperimentalFeatureWarning</span></span><a class="reference internal" href="../../_modules/tables/exceptions.html#ExperimentalFeatureWarning"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.ExperimentalFeatureWarning" title="Permalink to this definition">¶</a></dt>
 <dd><p>Generic warning for experimental features.</p>
 <p>This warning is issued when using a functionality that is still
 experimental and that users have to use with care.</p>
diff --git a/usersguide/libref/hierarchy_classes.html b/usersguide/libref/hierarchy_classes.html
index fccbb82..c7bdcc0 100644
--- a/usersguide/libref/hierarchy_classes.html
+++ b/usersguide/libref/hierarchy_classes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Hierarchy definition classes &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Hierarchy definition classes</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Hierarchy definition classes</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/hierarchy_classes.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,12 +95,12 @@
            <div itemprop="articleBody">
              
   <section id="hierarchy-definition-classes">
-<h1>Hierarchy definition classes<a class="headerlink" href="#hierarchy-definition-classes" title="Link to this heading">¶</a></h1>
+<h1>Hierarchy definition classes<a class="headerlink" href="#hierarchy-definition-classes" title="Permalink to this heading">¶</a></h1>
 <section id="the-node-class">
-<span id="nodeclassdescr"></span><h2>The Node class<a class="headerlink" href="#the-node-class" title="Link to this heading">¶</a></h2>
+<span id="nodeclassdescr"></span><h2>The Node class<a class="headerlink" href="#the-node-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Node">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Node</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node" title="Permalink to this definition">¶</a></dt>
 <dd><p>Abstract base class for all PyTables nodes.</p>
 <p>This is the base class for <em>all</em> nodes in a PyTables hierarchy. It is an
 abstract class, i.e. it may not be directly instantiated; however, every
@@ -127,31 +125,31 @@ <h1>Hierarchy definition classes<a class="headerlink" href="#hierarchy-definitio
 <p class="rubric">Node attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_depth">
-<span class="sig-name descname"><span class="pre">_v_depth</span></span><a class="headerlink" href="#tables.Node._v_depth" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_depth</span></span><a class="headerlink" href="#tables.Node._v_depth" title="Permalink to this definition">¶</a></dt>
 <dd><p>The depth of this node in the tree (an non-negative integer value).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_file">
-<span class="sig-name descname"><span class="pre">_v_file</span></span><a class="headerlink" href="#tables.Node._v_file" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_file</span></span><a class="headerlink" href="#tables.Node._v_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>The hosting File instance (see <a class="reference internal" href="file_class.html#fileclassdescr"><span class="std std-ref">The File Class</span></a>).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_name">
-<span class="sig-name descname"><span class="pre">_v_name</span></span><a class="headerlink" href="#tables.Node._v_name" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_name</span></span><a class="headerlink" href="#tables.Node._v_name" title="Permalink to this definition">¶</a></dt>
 <dd><p>The name of this node in its parent group (a string).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_pathname">
-<span class="sig-name descname"><span class="pre">_v_pathname</span></span><a class="headerlink" href="#tables.Node._v_pathname" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_pathname</span></span><a class="headerlink" href="#tables.Node._v_pathname" title="Permalink to this definition">¶</a></dt>
 <dd><p>The path of this node in the tree (a string).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_objectid">
-<span class="sig-name descname"><span class="pre">_v_objectid</span></span><a class="headerlink" href="#tables.Node._v_objectid" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_objectid</span></span><a class="headerlink" href="#tables.Node._v_objectid" title="Permalink to this definition">¶</a></dt>
 <dd><p>A node identifier (may change from run to run).</p>
 <div class="versionchanged">
 <p><span class="versionmodified changed">Changed in version 3.0: </span>The <em>_v_objectID</em> attribute has been renamed into <em>_v_object_id</em>.</p>
@@ -161,19 +159,19 @@ <h1>Hierarchy definition classes<a class="headerlink" href="#hierarchy-definitio
 </dd></dl>
 
 <section id="node-instance-variables-location-dependent">
-<h3>Node instance variables - location dependent<a class="headerlink" href="#node-instance-variables-location-dependent" title="Link to this heading">¶</a></h3>
+<h3>Node instance variables - location dependent<a class="headerlink" href="#node-instance-variables-location-dependent" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_parent">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_parent</span></span><a class="headerlink" href="#tables.Node._v_parent" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_parent</span></span><a class="headerlink" href="#tables.Node._v_parent" title="Permalink to this definition">¶</a></dt>
 <dd><p>The parent <a class="reference internal" href="#tables.Group" title="tables.Group"><code class="xref py py-class docutils literal notranslate"><span class="pre">Group</span></code></a> instance</p>
 </dd></dl>
 
 </section>
 <section id="node-instance-variables-location-independent">
-<h3>Node instance variables - location independent<a class="headerlink" href="#node-instance-variables-location-independent" title="Link to this heading">¶</a></h3>
+<h3>Node instance variables - location independent<a class="headerlink" href="#node-instance-variables-location-independent" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_attrs">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_attrs</span></span><a class="headerlink" href="#tables.Node._v_attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_attrs</span></span><a class="headerlink" href="#tables.Node._v_attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>The associated <cite>AttributeSet</cite> instance.</p>
 <div class="admonition seealso">
 <p class="admonition-title">See also</p>
@@ -186,25 +184,25 @@ <h3>Node instance variables - location independent<a class="headerlink" href="#n
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_isopen">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_isopen</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">False</span></em><a class="headerlink" href="#tables.Node._v_isopen" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_isopen</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">False</span></em><a class="headerlink" href="#tables.Node._v_isopen" title="Permalink to this definition">¶</a></dt>
 <dd><p>Whether this node is open or not.</p>
 </dd></dl>
 
 </section>
 <section id="node-instance-variables-attribute-shorthands">
-<h3>Node instance variables - attribute shorthands<a class="headerlink" href="#node-instance-variables-attribute-shorthands" title="Link to this heading">¶</a></h3>
+<h3>Node instance variables - attribute shorthands<a class="headerlink" href="#node-instance-variables-attribute-shorthands" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Node._v_title">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_title</span></span><a class="headerlink" href="#tables.Node._v_title" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_v_title</span></span><a class="headerlink" href="#tables.Node._v_title" title="Permalink to this definition">¶</a></dt>
 <dd><p>A description of this node. A shorthand for TITLE attribute.</p>
 </dd></dl>
 
 </section>
 <section id="node-methods-hierarchy-manipulation">
-<h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-methods-hierarchy-manipulation" title="Link to this heading">¶</a></h3>
+<h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-methods-hierarchy-manipulation" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_close">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Close this node in the tree.</p>
 <p>This releases all resources held by the node, so it should not
 be used again.  On nodes with data, it may be flushed to disk.</p>
@@ -215,7 +213,7 @@ <h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_copy">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy this node and return the new node.</p>
 <p>Creates and returns a copy of the node, maybe in a different place in
 the hierarchy. newparent can be a Group object (see
@@ -244,13 +242,13 @@ <h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_isvisible">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_isvisible</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_isvisible"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_isvisible" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_isvisible</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_isvisible"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_isvisible" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is this node visible?</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_move">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_move</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_move"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_move" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_move</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_move"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_move" title="Permalink to this definition">¶</a></dt>
 <dd><p>Move or rename this node.</p>
 <p>Moves a node into a new parent group, or changes the name of the
 node. newparent can be a Group object (see <a class="reference internal" href="#groupclassdescr"><span class="std std-ref">The Group class</span></a>) or a
@@ -272,7 +270,7 @@ <h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_remove">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_remove</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">force</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_remove"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_remove" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_remove</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">force</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_remove"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_remove" title="Permalink to this definition">¶</a></dt>
 <dd><p>Remove this node from the hierarchy.</p>
 <p>If the node has children, recursive removal must be stated by giving
 recursive a true value; otherwise, a NodeError will be raised.</p>
@@ -282,7 +280,7 @@ <h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-metho
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_rename">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_rename" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_rename" title="Permalink to this definition">¶</a></dt>
 <dd><p>Rename this node in place.</p>
 <p>Changes the name of a node to <em>newname</em> (a string).  If a node with the
 same newname already exists and overwrite is true, recursively remove
@@ -291,10 +289,10 @@ <h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-metho
 
 </section>
 <section id="node-methods-attribute-handling">
-<h3>Node methods - attribute handling<a class="headerlink" href="#node-methods-attribute-handling" title="Link to this heading">¶</a></h3>
+<h3>Node methods - attribute handling<a class="headerlink" href="#node-methods-attribute-handling" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_delattr">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_delattr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_delattr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_delattr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_delattr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_delattr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_delattr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Delete a PyTables attribute from this node.</p>
 <p>If the named attribute does not exist, an AttributeError is
 raised.</p>
@@ -302,7 +300,7 @@ <h3>Node methods - attribute handling<a class="headerlink" href="#node-methods-a
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_getattr">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_getattr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_getattr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_getattr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_getattr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_getattr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_getattr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a PyTables attribute from this node.</p>
 <p>If the named attribute does not exist, an AttributeError is
 raised.</p>
@@ -310,7 +308,7 @@ <h3>Node methods - attribute handling<a class="headerlink" href="#node-methods-a
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Node._f_setattr">
-<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_setattr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_setattr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_setattr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Node.</span></span><span class="sig-name descname"><span class="pre">_f_setattr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/node.html#Node._f_setattr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Node._f_setattr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a PyTables attribute for this node.</p>
 <p>If the node already has a large number of attributes, a
 PerformanceWarning is issued.</p>
@@ -319,10 +317,10 @@ <h3>Node methods - attribute handling<a class="headerlink" href="#node-methods-a
 </section>
 </section>
 <section id="the-group-class">
-<span id="groupclassdescr"></span><h2>The Group class<a class="headerlink" href="#the-group-class" title="Link to this heading">¶</a></h2>
+<span id="groupclassdescr"></span><h2>The Group class<a class="headerlink" href="#the-group-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Group">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Group</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Group</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group" title="Permalink to this definition">¶</a></dt>
 <dd><p>Basic PyTables grouping structure.</p>
 <p>Instances of this class are grouping structures containing <em>child</em>
 instances of zero or more groups or leaves, together with
@@ -399,53 +397,53 @@ <h3>Node methods - attribute handling<a class="headerlink" href="#node-methods-a
 in Node (see <a class="reference internal" href="#nodeclassdescr"><span class="std std-ref">The Node class</span></a>):</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_children">
-<span class="sig-name descname"><span class="pre">_v_children</span></span><a class="headerlink" href="#tables.Group._v_children" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_children</span></span><a class="headerlink" href="#tables.Group._v_children" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dictionary with all nodes hanging from this group.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_groups">
-<span class="sig-name descname"><span class="pre">_v_groups</span></span><a class="headerlink" href="#tables.Group._v_groups" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_groups</span></span><a class="headerlink" href="#tables.Group._v_groups" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dictionary with all groups hanging from this group.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_hidden">
-<span class="sig-name descname"><span class="pre">_v_hidden</span></span><a class="headerlink" href="#tables.Group._v_hidden" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_hidden</span></span><a class="headerlink" href="#tables.Group._v_hidden" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dictionary with all hidden nodes hanging from this group.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_leaves">
-<span class="sig-name descname"><span class="pre">_v_leaves</span></span><a class="headerlink" href="#tables.Group._v_leaves" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_leaves</span></span><a class="headerlink" href="#tables.Group._v_leaves" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dictionary with all leaves hanging from this group.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_links">
-<span class="sig-name descname"><span class="pre">_v_links</span></span><a class="headerlink" href="#tables.Group._v_links" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_links</span></span><a class="headerlink" href="#tables.Group._v_links" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dictionary with all links hanging from this group.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_unknown">
-<span class="sig-name descname"><span class="pre">_v_unknown</span></span><a class="headerlink" href="#tables.Group._v_unknown" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_unknown</span></span><a class="headerlink" href="#tables.Group._v_unknown" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dictionary with all unknown nodes hanging from this group.</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="group-properties">
-<h3>Group properties<a class="headerlink" href="#group-properties" title="Link to this heading">¶</a></h3>
+<h3>Group properties<a class="headerlink" href="#group-properties" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_nchildren">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_v_nchildren</span></span><a class="headerlink" href="#tables.Group._v_nchildren" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_v_nchildren</span></span><a class="headerlink" href="#tables.Group._v_nchildren" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of children hanging from this group.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Group._v_filters">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_v_filters</span></span><a class="headerlink" href="#tables.Group._v_filters" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_v_filters</span></span><a class="headerlink" href="#tables.Group._v_filters" title="Permalink to this definition">¶</a></dt>
 <dd><p>Default filter properties for child nodes.</p>
 <p>You can (and are encouraged to) use this property to get, set and
 delete the FILTERS HDF5 attribute of the group, which stores a Filters
@@ -455,7 +453,7 @@ <h3>Group properties<a class="headerlink" href="#group-properties" title="Link t
 
 </section>
 <section id="group-methods">
-<h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this heading">¶</a></h3>
+<h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to this heading">¶</a></h3>
 <div class="admonition important">
 <p class="admonition-title">Important</p>
 <p><em>Caveat:</em> The following methods are documented for completeness, and they
@@ -468,7 +466,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 Node (see <a class="reference internal" href="#nodeclassdescr"><span class="std std-ref">The Node class</span></a>):</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_close">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Close this group and all its descendents.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_close" title="tables.Node._f_close"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_close()</span></code></a>.
 It should be noted that this operation closes all the nodes
@@ -480,7 +478,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_copy">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy this node and return the new one.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_copy" title="tables.Node._f_copy"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_copy()</span></code></a>.
 In addition, it recognizes the following keyword arguments:</p>
@@ -509,7 +507,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_copy_children">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_copy_children</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dstgroup</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_copy_children"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_copy_children" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_copy_children</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dstgroup</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">recursive</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_copy_children"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_copy_children" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy the children of this group into another group.</p>
 <p>Children hanging directly from this group are copied into dstgroup,
 which can be a Group (see <a class="reference internal" href="#groupclassdescr"><span class="std std-ref">The Group class</span></a>) object or its
@@ -533,7 +531,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_get_child">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_get_child</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">childname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_get_child"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_get_child" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_get_child</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">childname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_get_child"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_get_child" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the child called childname of this group.</p>
 <p>If the child exists (be it visible or not), it is returned.  Else, a
 NoSuchNodeError is raised.</p>
@@ -544,7 +542,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_iter_nodes">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_iter_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_iter_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_iter_nodes" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_iter_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_iter_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_iter_nodes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over children nodes.</p>
 <p>Child nodes are yielded alphanumerically sorted by node name.  If the
 name of a class derived from Node (see <a class="reference internal" href="#nodeclassdescr"><span class="std std-ref">The Node class</span></a>) is
@@ -555,14 +553,14 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_list_nodes">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_list_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_list_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_list_nodes" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_list_nodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_list_nodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_list_nodes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a <em>list</em> with children nodes.</p>
 <p>This is a list-returning version of <a class="reference internal" href="#tables.Group._f_iter_nodes" title="tables.Group._f_iter_nodes"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Group._f_iter_nodes()</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_walk_groups">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_walk_groups</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_walk_groups"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_walk_groups" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_walk_groups</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_walk_groups"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_walk_groups" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recursively iterate over descendent groups (not leaves).</p>
 <p>This method starts by yielding <em>self</em>, and then it goes on to
 recursively iterate over all child groups in alphanumerical order, top
@@ -571,7 +569,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group._f_walknodes">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_walknodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_walknodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_walknodes" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">_f_walknodes</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group._f_walknodes"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group._f_walknodes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over descendant nodes.</p>
 <p>This method recursively walks <em>self</em> top to bottom (preorder),
 iterating over child groups in alphanumerical order, and yielding
@@ -591,7 +589,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Link to this
 
 </section>
 <section id="group-special-methods">
-<h3>Group special methods<a class="headerlink" href="#group-special-methods" title="Link to this heading">¶</a></h3>
+<h3>Group special methods<a class="headerlink" href="#group-special-methods" title="Permalink to this heading">¶</a></h3>
 <p>Following are described the methods that automatically trigger actions when a
 Group instance is accessed in a special way.</p>
 <p>This class defines the <code class="xref py py-meth docutils literal notranslate"><span class="pre">__setattr__()</span></code>, <code class="xref py py-meth docutils literal notranslate"><span class="pre">__getattr__()</span></code> and
@@ -617,7 +615,7 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 </div>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group.__contains__">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__contains__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__contains__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__contains__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is there a child with that <cite>name</cite>?</p>
 <p>Returns a true value if the group has a child node (visible or
 hidden) with the given <cite>name</cite> (a string), false otherwise.</p>
@@ -625,7 +623,7 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group.__delattr__">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__delattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__delattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__delattr__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__delattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__delattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__delattr__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Delete a Python attribute called name.</p>
 <p>This method only provides a extra warning in case the user
 tries to delete a children node using __delattr__.</p>
@@ -639,7 +637,7 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group.__getattr__">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__getattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__getattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__getattr__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__getattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__getattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__getattr__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a Python attribute or child node called name.
 If the node has a child node called name it is returned,
 else an AttributeError is raised.</p>
@@ -647,7 +645,7 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group.__iter__">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__iter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__iter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the child nodes hanging directly from the group.</p>
 <p>This iterator is <em>not</em> recursive.</p>
 <p class="rubric">Examples</p>
@@ -661,7 +659,7 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group.__repr__">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__repr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__repr__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__repr__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__repr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__repr__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a detailed string representation of the group.</p>
 <p class="rubric">Examples</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">tables</span>
@@ -676,7 +674,7 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group.__setattr__">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__setattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__setattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__setattr__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__setattr__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__setattr__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__setattr__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a Python attribute called name with the given value.</p>
 <p>This method stores an <em>ordinary Python attribute</em> in the object. It
 does <em>not</em> store new children nodes under this group; for that, use the
@@ -694,7 +692,7 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Group.__str__">
-<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__str__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Group.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/group.html#Group.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Group.__str__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a short string representation of the group.</p>
 <p class="rubric">Examples</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">tables</span>
@@ -709,10 +707,10 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 </section>
 </section>
 <section id="the-leaf-class">
-<span id="leafclassdescr"></span><h2>The Leaf class<a class="headerlink" href="#the-leaf-class" title="Link to this heading">¶</a></h2>
+<span id="leafclassdescr"></span><h2>The Leaf class<a class="headerlink" href="#the-leaf-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Leaf">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Leaf</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Leaf</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">new</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf" title="Permalink to this definition">¶</a></dt>
 <dd><p>Abstract base class for all PyTables leaves.</p>
 <p>A leaf is a node (see the Node class in <a class="reference internal" href="#tables.Node" title="tables.Node"><code class="xref py py-class docutils literal notranslate"><span class="pre">Node</span></code></a>) which hangs from a
 group (see the Group class in <a class="reference internal" href="#tables.Group" title="tables.Group"><code class="xref py py-class docutils literal notranslate"><span class="pre">Group</span></code></a>) but, unlike a group, it can
@@ -729,32 +727,32 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 (see <a class="reference internal" href="#nodeclassdescr"><span class="std std-ref">The Node class</span></a>):</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.byteorder">
-<span class="sig-name descname"><span class="pre">byteorder</span></span><a class="headerlink" href="#tables.Leaf.byteorder" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">byteorder</span></span><a class="headerlink" href="#tables.Leaf.byteorder" title="Permalink to this definition">¶</a></dt>
 <dd><p>The byte ordering of the leaf data <em>on disk</em>.  It will be either
 <code class="docutils literal notranslate"><span class="pre">little</span></code> or <code class="docutils literal notranslate"><span class="pre">big</span></code>.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.dtype">
-<span class="sig-name descname"><span class="pre">dtype</span></span><a class="headerlink" href="#tables.Leaf.dtype" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">dtype</span></span><a class="headerlink" href="#tables.Leaf.dtype" title="Permalink to this definition">¶</a></dt>
 <dd><p>The NumPy dtype that most closely matches this leaf type.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.extdim">
-<span class="sig-name descname"><span class="pre">extdim</span></span><a class="headerlink" href="#tables.Leaf.extdim" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">extdim</span></span><a class="headerlink" href="#tables.Leaf.extdim" title="Permalink to this definition">¶</a></dt>
 <dd><p>The index of the enlargeable dimension (-1 if none).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.nrows">
-<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.Leaf.nrows" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.Leaf.nrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>The length of the main dimension of the leaf data.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.nrowsinbuf">
-<span class="sig-name descname"><span class="pre">nrowsinbuf</span></span><a class="headerlink" href="#tables.Leaf.nrowsinbuf" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">nrowsinbuf</span></span><a class="headerlink" href="#tables.Leaf.nrowsinbuf" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of rows that fit in internal input buffers.</p>
 <p>You can change this to fine-tune the speed or memory
 requirements of your application.</p>
@@ -762,17 +760,17 @@ <h3>Group special methods<a class="headerlink" href="#group-special-methods" tit
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.shape">
-<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Leaf.shape" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Leaf.shape" title="Permalink to this definition">¶</a></dt>
 <dd><p>The shape of data in the leaf.</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="leaf-properties">
-<h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Link to this heading">¶</a></h3>
+<h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.chunkshape">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">chunkshape</span></span><a class="headerlink" href="#tables.Leaf.chunkshape" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">chunkshape</span></span><a class="headerlink" href="#tables.Leaf.chunkshape" title="Permalink to this definition">¶</a></dt>
 <dd><p>The HDF5 chunk size for chunked leaves (a tuple).</p>
 <p>This is read-only because you cannot change the chunk size of a
 leaf once it has been created.</p>
@@ -780,13 +778,13 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Link to
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.ndim">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">ndim</span></span><a class="headerlink" href="#tables.Leaf.ndim" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">ndim</span></span><a class="headerlink" href="#tables.Leaf.ndim" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of dimensions of the leaf data.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.filters">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">filters</span></span><a class="headerlink" href="#tables.Leaf.filters" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">filters</span></span><a class="headerlink" href="#tables.Leaf.filters" title="Permalink to this definition">¶</a></dt>
 <dd><p>Filter properties for this leaf.</p>
 <div class="admonition seealso">
 <p class="admonition-title">See also</p>
@@ -796,7 +794,7 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Link to
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.maindim">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">maindim</span></span><a class="headerlink" href="#tables.Leaf.maindim" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">maindim</span></span><a class="headerlink" href="#tables.Leaf.maindim" title="Permalink to this definition">¶</a></dt>
 <dd><p>The dimension along which iterators work.</p>
 <p>Its value is 0 (i.e. the first dimension) when the dataset is not
 extendable, and self.extdim (where available) for extendable ones.</p>
@@ -804,7 +802,7 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Link to
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.flavor">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">flavor</span></span><a class="headerlink" href="#tables.Leaf.flavor" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">flavor</span></span><a class="headerlink" href="#tables.Leaf.flavor" title="Permalink to this definition">¶</a></dt>
 <dd><p>The type of data object read from this leaf.</p>
 <p>It can be any of ‘numpy’ or ‘python’.</p>
 <p>You can (and are encouraged to) use this property to get, set
@@ -814,14 +812,14 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Link to
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.size_in_memory">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">size_in_memory</span></span><a class="headerlink" href="#tables.Leaf.size_in_memory" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">size_in_memory</span></span><a class="headerlink" href="#tables.Leaf.size_in_memory" title="Permalink to this definition">¶</a></dt>
 <dd><p>The size of this leaf’s data in bytes when it is fully loaded into
 memory.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.size_on_disk">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">size_on_disk</span></span><a class="headerlink" href="#tables.Leaf.size_on_disk" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">size_on_disk</span></span><a class="headerlink" href="#tables.Leaf.size_on_disk" title="Permalink to this definition">¶</a></dt>
 <dd><p>The size of this leaf’s data in bytes as it is stored on disk.  If the
 data is compressed, this shows the compressed size.  In the case of
 uncompressed, chunked data, this may be slightly larger than the amount
@@ -830,26 +828,26 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Link to
 
 </section>
 <section id="leaf-instance-variables-aliases">
-<h3>Leaf instance variables - aliases<a class="headerlink" href="#leaf-instance-variables-aliases" title="Link to this heading">¶</a></h3>
+<h3>Leaf instance variables - aliases<a class="headerlink" href="#leaf-instance-variables-aliases" title="Permalink to this heading">¶</a></h3>
 <p>The following are just easier-to-write aliases to their Node (see
 <a class="reference internal" href="#nodeclassdescr"><span class="std std-ref">The Node class</span></a>) counterparts (indicated between parentheses):</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.attrs">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.Leaf.attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.Leaf.attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>The associated AttributeSet instance - see <a class="reference internal" href="declarative_classes.html#attributesetclassdescr"><span class="std std-ref">The AttributeSet class</span></a>
 (This is an easier-to-write alias of <a class="reference internal" href="#tables.Node._v_attrs" title="tables.Node._v_attrs"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Node._v_attrs</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.name">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">name</span></span><a class="headerlink" href="#tables.Leaf.name" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">name</span></span><a class="headerlink" href="#tables.Leaf.name" title="Permalink to this definition">¶</a></dt>
 <dd><p>The name of this node in its parent group (This is an
 easier-to-write alias of <a class="reference internal" href="#tables.Node._v_name" title="tables.Node._v_name"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Node._v_name</span></code></a>).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.object_id">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">object_id</span></span><a class="headerlink" href="#tables.Leaf.object_id" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">object_id</span></span><a class="headerlink" href="#tables.Leaf.object_id" title="Permalink to this definition">¶</a></dt>
 <dd><p>A node identifier, which may change from run to run.
 (This is an easier-to-write alias of <a class="reference internal" href="#tables.Node._v_objectid" title="tables.Node._v_objectid"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Node._v_objectid</span></code></a>).</p>
 <div class="versionchanged">
@@ -859,24 +857,24 @@ <h3>Leaf instance variables - aliases<a class="headerlink" href="#leaf-instance-
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Leaf.title">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">title</span></span><a class="headerlink" href="#tables.Leaf.title" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">title</span></span><a class="headerlink" href="#tables.Leaf.title" title="Permalink to this definition">¶</a></dt>
 <dd><p>A description for this node
 (This is an easier-to-write alias of <a class="reference internal" href="#tables.Node._v_title" title="tables.Node._v_title"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Node._v_title</span></code></a>).</p>
 </dd></dl>
 
 </section>
 <section id="leaf-methods">
-<h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Link to this heading">¶</a></h3>
+<h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.close">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">flush</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">flush</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Close this node in the tree.</p>
 <p>This method is completely equivalent to <a class="reference internal" href="#tables.Leaf._f_close" title="tables.Leaf._f_close"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Leaf._f_close()</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.copy">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy this node and return the new one.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_copy" title="tables.Node._f_copy"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_copy()</span></code></a>. Please
 note that there is no recursive flag since leaves do not have child
@@ -924,7 +922,7 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.flush">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.flush"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.flush" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">flush</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.flush"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.flush" title="Permalink to this definition">¶</a></dt>
 <dd><p>Flush pending data to disk.</p>
 <p>Saves whatever remaining buffered data to disk. It also releases
 I/O buffers, so if you are filling many datasets in the same
@@ -934,28 +932,28 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.isvisible">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">isvisible</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.isvisible"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.isvisible" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">isvisible</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.isvisible"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.isvisible" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is this node visible?</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_isvisible" title="tables.Node._f_isvisible"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_isvisible()</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.move">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">move</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.move"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.move" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">move</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.move"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.move" title="Permalink to this definition">¶</a></dt>
 <dd><p>Move or rename this node.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_move" title="tables.Node._f_move"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_move()</span></code></a></p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.rename">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.rename" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.rename" title="Permalink to this definition">¶</a></dt>
 <dd><p>Rename this node in place.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_rename" title="tables.Node._f_rename"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_rename()</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.remove">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">remove</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.remove"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.remove" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">remove</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.remove"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.remove" title="Permalink to this definition">¶</a></dt>
 <dd><p>Remove this node from the hierarchy.</p>
 <p>This method has the behavior described
 in <a class="reference internal" href="#tables.Node._f_remove" title="tables.Node._f_remove"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_remove()</span></code></a>. Please note that there is no recursive flag
@@ -964,28 +962,28 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.get_attr">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">get_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.get_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.get_attr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">get_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.get_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.get_attr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a PyTables attribute from this node.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_getattr" title="tables.Node._f_getattr"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_getattr()</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.set_attr">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">set_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.set_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.set_attr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">set_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.set_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.set_attr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a PyTables attribute for this node.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_setattr" title="tables.Node._f_setattr"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_setattr()</span></code></a>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.del_attr">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">del_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.del_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.del_attr" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">del_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.del_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.del_attr" title="Permalink to this definition">¶</a></dt>
 <dd><p>Delete a PyTables attribute from this node.</p>
 <p>This method has the behavior described in <code class="xref py py-meth docutils literal notranslate"><span class="pre">Node_f_delAttr()</span></code>.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.truncate">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">truncate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">size</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.truncate"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.truncate" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">truncate</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">size</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.truncate"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.truncate" title="Permalink to this definition">¶</a></dt>
 <dd><p>Truncate the main dimension to be size rows.</p>
 <p>If the main dimension previously was larger than this size, the extra
 data is lost.  If the main dimension previously was shorter, it is
@@ -996,7 +994,7 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf.__len__">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.__len__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf.__len__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the length of the main dimension of the leaf data.</p>
 <p>Please note that this may raise an OverflowError on 32-bit platforms
 for datasets having more than 2**31-1 rows.  This is a limitation of
@@ -1005,7 +1003,7 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Leaf._f_close">
-<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">_f_close</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">flush</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf._f_close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf._f_close" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Leaf.</span></span><span class="sig-name descname"><span class="pre">_f_close</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">flush</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/leaf.html#Leaf._f_close"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Leaf._f_close" title="Permalink to this definition">¶</a></dt>
 <dd><p>Close this node in the tree.</p>
 <p>This method has the behavior described in <a class="reference internal" href="#tables.Node._f_close" title="tables.Node._f_close"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_close()</span></code></a>.
 Besides that, the optional argument flush tells whether to flush
diff --git a/usersguide/libref/homogenous_storage.html b/usersguide/libref/homogenous_storage.html
index 7658ea0..15ccf67 100644
--- a/usersguide/libref/homogenous_storage.html
+++ b/usersguide/libref/homogenous_storage.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Homogenous storage classes &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Homogenous storage classes</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Homogenous storage classes</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/homogenous_storage.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,12 +95,12 @@
            <div itemprop="articleBody">
              
   <section id="homogenous-storage-classes">
-<h1>Homogenous storage classes<a class="headerlink" href="#homogenous-storage-classes" title="Link to this heading">¶</a></h1>
+<h1>Homogenous storage classes<a class="headerlink" href="#homogenous-storage-classes" title="Permalink to this heading">¶</a></h1>
 <section id="the-array-class">
-<span id="arrayclassdescr"></span><h2>The Array class<a class="headerlink" href="#the-array-class" title="Link to this heading">¶</a></h2>
+<span id="arrayclassdescr"></span><h2>The Array class<a class="headerlink" href="#the-array-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Array">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Array</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">obj</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents homogeneous datasets in an HDF5 file.</p>
 <p>This class provides methods to write or read data to or from array objects
 in the file. This class does not allow you neither to enlarge nor compress
@@ -157,39 +155,39 @@ <h1>Homogenous storage classes<a class="headerlink" href="#homogenous-storage-cl
 </dd></dl>
 
 <section id="array-instance-variables">
-<h3>Array instance variables<a class="headerlink" href="#array-instance-variables" title="Link to this heading">¶</a></h3>
+<h3>Array instance variables<a class="headerlink" href="#array-instance-variables" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Array.atom">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">atom</span></span><a class="headerlink" href="#tables.Array.atom" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">atom</span></span><a class="headerlink" href="#tables.Array.atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>An Atom (see <a class="reference internal" href="declarative_classes.html#atomclassdescr"><span class="std std-ref">The Atom class and its descendants</span></a>) instance representing the <em>type</em>
 and <em>shape</em> of the atomic objects to be saved.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Array.rowsize">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">rowsize</span></span><a class="headerlink" href="#tables.Array.rowsize" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">rowsize</span></span><a class="headerlink" href="#tables.Array.rowsize" title="Permalink to this definition">¶</a></dt>
 <dd><p>The size of the rows in bytes in dimensions orthogonal to
 <em>maindim</em>.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Array.nrow">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">nrow</span></span><a class="headerlink" href="#tables.Array.nrow" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">nrow</span></span><a class="headerlink" href="#tables.Array.nrow" title="Permalink to this definition">¶</a></dt>
 <dd><p>On iterators, this is the index of the current row.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Array.nrows">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.Array.nrows" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.Array.nrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of rows in the array.</p>
 </dd></dl>
 
 </section>
 <section id="array-methods">
-<h3>Array methods<a class="headerlink" href="#array-methods" title="Link to this heading">¶</a></h3>
+<h3>Array methods<a class="headerlink" href="#array-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Array.get_enum">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">get_enum</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.get_enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.get_enum" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">get_enum</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.get_enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.get_enum" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the enumerated type associated with this array.</p>
 <p>If this array is of an enumerated type, the corresponding Enum instance
 (see <a class="reference internal" href="helper_classes.html#enumclassdescr"><span class="std std-ref">The Enum class</span></a>) is returned. If it is not of an enumerated
@@ -198,7 +196,7 @@ <h3>Array methods<a class="headerlink" href="#array-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Array.iterrows">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">iterrows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.iterrows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.iterrows" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">iterrows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.iterrows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.iterrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the rows of the array.</p>
 <p>This method returns an iterator yielding an object of the current
 flavor for each selected row in the array.  The returned rows are taken
@@ -220,14 +218,14 @@ <h3>Array methods<a class="headerlink" href="#array-methods" title="Link to this
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Array.__next__">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__next__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__next__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__next__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__next__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__next__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__next__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the next element of the array during an iteration.</p>
 <p>The element is returned as an object of the current flavor.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Array.read">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.read"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.read" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.read"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.read" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get data in the array as an object of the current flavor.</p>
 <p>The start, stop and step parameters can be used to select only a
 <em>range of rows</em> in the array.  Their meanings are the same as in
@@ -254,14 +252,14 @@ <h3>Array methods<a class="headerlink" href="#array-methods" title="Link to this
 
 </section>
 <section id="array-special-methods">
-<h3>Array special methods<a class="headerlink" href="#array-special-methods" title="Link to this heading">¶</a></h3>
+<h3>Array special methods<a class="headerlink" href="#array-special-methods" title="Permalink to this heading">¶</a></h3>
 <p>The following methods automatically trigger actions when an <a class="reference internal" href="#tables.Array" title="tables.Array"><code class="xref py py-class docutils literal notranslate"><span class="pre">Array</span></code></a>
 instance is accessed in a special way (e.g. <code class="docutils literal notranslate"><span class="pre">array[2:3,...,::2]</span></code> will be
 equivalent to a call to
 <code class="docutils literal notranslate"><span class="pre">array.__getitem__((slice(2,</span> <span class="pre">3,</span> <span class="pre">None),</span> <span class="pre">Ellipsis,</span> <span class="pre">slice(None,</span> <span class="pre">None,</span> <span class="pre">2))))</span></code>.</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Array.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a row, a range of rows or a slice from the array.</p>
 <p>The set of tokens allowed for the key is the same as that for extended
 slicing in Python (including the Ellipsis or … token).  The result is
@@ -284,7 +282,7 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Array.__iter__">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__iter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__iter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the rows of the array.</p>
 <p>This is equivalent to calling <a class="reference internal" href="#tables.Array.iterrows" title="tables.Array.iterrows"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Array.iterrows()</span></code></a> with default
 arguments, i.e. it iterates over <em>all the rows</em> in the array.</p>
@@ -300,7 +298,7 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Array.__setitem__">
-<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__setitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Array.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/array.html#Array.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Array.__setitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a row, a range of rows or a slice in the array.</p>
 <p>It takes different actions depending on the type of the key parameter:
 if it is an integer, the corresponding array row is set to value (the
@@ -333,10 +331,10 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 </section>
 </section>
 <section id="the-carray-class">
-<span id="carrayclassdescr"></span><h2>The CArray class<a class="headerlink" href="#the-carray-class" title="Link to this heading">¶</a></h2>
+<span id="carrayclassdescr"></span><h2>The CArray class<a class="headerlink" href="#the-carray-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.CArray">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">CArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/carray.html#CArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.CArray" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">CArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/carray.html#CArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.CArray" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents homogeneous datasets in an HDF5 file.</p>
 <p>The difference between a CArray and a normal Array (see
 <a class="reference internal" href="#arrayclassdescr"><span class="std std-ref">The Array class</span></a>), from which it inherits, is that a CArray
@@ -426,10 +424,10 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 
 </section>
 <section id="the-earray-class">
-<span id="earrayclassdescr"></span><h2>The EArray class<a class="headerlink" href="#the-earray-class" title="Link to this heading">¶</a></h2>
+<span id="earrayclassdescr"></span><h2>The EArray class<a class="headerlink" href="#the-earray-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.EArray">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">EArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/earray.html#EArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.EArray" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">EArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/earray.html#EArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.EArray" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents extendable, homogeneous datasets in an HDF5 file.</p>
 <p>The main difference between an EArray and a CArray (see
 <a class="reference internal" href="#carrayclassdescr"><span class="std std-ref">The CArray class</span></a>), from which it inherits, is that the former
@@ -522,10 +520,10 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 </dd></dl>
 
 <section id="earray-methods">
-<span id="earraymethodsdescr"></span><h3>EArray methods<a class="headerlink" href="#earray-methods" title="Link to this heading">¶</a></h3>
+<span id="earraymethodsdescr"></span><h3>EArray methods<a class="headerlink" href="#earray-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.EArray.append">
-<span class="sig-prename descclassname"><span class="pre">EArray.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sequence</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/earray.html#EArray.append"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.EArray.append" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">EArray.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sequence</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/earray.html#EArray.append"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.EArray.append" title="Permalink to this definition">¶</a></dt>
 <dd><p>Add a sequence of data to the end of the dataset.</p>
 <p>The sequence must have the same type as the array; otherwise a
 TypeError is raised. In the same way, the dimensions of the
@@ -538,10 +536,10 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 </section>
 </section>
 <section id="the-vlarray-class">
-<span id="vlarrayclassdescr"></span><h2>The VLArray class<a class="headerlink" href="#the-vlarray-class" title="Link to this heading">¶</a></h2>
+<span id="vlarrayclassdescr"></span><h2>The VLArray class<a class="headerlink" href="#the-vlarray-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.VLArray">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">VLArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">VLArray</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">atom</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents variable length (ragged) arrays in an HDF5 file.</p>
 <p>Instances of this class represent array objects in the object tree
 with the property that their rows can have a <em>variable</em> number of
@@ -677,7 +675,7 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 Leaf (see <a class="reference internal" href="hierarchy_classes.html#leafclassdescr"><span class="std std-ref">The Leaf class</span></a>).</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.VLArray.atom">
-<span class="sig-name descname"><span class="pre">atom</span></span><a class="headerlink" href="#tables.VLArray.atom" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">atom</span></span><a class="headerlink" href="#tables.VLArray.atom" title="Permalink to this definition">¶</a></dt>
 <dd><p>An Atom (see <a class="reference internal" href="declarative_classes.html#atomclassdescr"><span class="std std-ref">The Atom class and its descendants</span></a>)
 instance representing the <em>type</em> and
 <em>shape</em> of the atomic objects to be
@@ -687,7 +685,7 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.VLArray.flavor">
-<span class="sig-name descname"><span class="pre">flavor</span></span><a class="headerlink" href="#tables.VLArray.flavor" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">flavor</span></span><a class="headerlink" href="#tables.VLArray.flavor" title="Permalink to this definition">¶</a></dt>
 <dd><p>The type of data object read from this leaf.</p>
 <p>Please note that when reading several rows of VLArray data,
 the flavor only applies to the <em>components</em> of the returned
@@ -696,29 +694,29 @@ <h3>Array special methods<a class="headerlink" href="#array-special-methods" tit
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.VLArray.nrow">
-<span class="sig-name descname"><span class="pre">nrow</span></span><a class="headerlink" href="#tables.VLArray.nrow" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">nrow</span></span><a class="headerlink" href="#tables.VLArray.nrow" title="Permalink to this definition">¶</a></dt>
 <dd><p>On iterators, this is the index of the current row.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.VLArray.nrows">
-<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.VLArray.nrows" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.VLArray.nrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>The current number of rows in the array.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.VLArray.extdim">
-<span class="sig-name descname"><span class="pre">extdim</span></span><a class="headerlink" href="#tables.VLArray.extdim" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">extdim</span></span><a class="headerlink" href="#tables.VLArray.extdim" title="Permalink to this definition">¶</a></dt>
 <dd><p>The index of the enlargeable dimension (always 0 for vlarrays).</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="vlarray-properties">
-<h3>VLArray properties<a class="headerlink" href="#vlarray-properties" title="Link to this heading">¶</a></h3>
+<h3>VLArray properties<a class="headerlink" href="#vlarray-properties" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.VLArray.size_on_disk">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">size_on_disk</span></span><a class="headerlink" href="#tables.VLArray.size_on_disk" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">size_on_disk</span></span><a class="headerlink" href="#tables.VLArray.size_on_disk" title="Permalink to this definition">¶</a></dt>
 <dd><p>The HDF5 library does not include a function to determine size_on_disk
 for variable-length arrays.  Accessing this attribute will raise a
 NotImplementedError.</p>
@@ -726,7 +724,7 @@ <h3>VLArray properties<a class="headerlink" href="#vlarray-properties" title="Li
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.VLArray.size_in_memory">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">size_in_memory</span></span><a class="headerlink" href="#tables.VLArray.size_in_memory" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">size_in_memory</span></span><a class="headerlink" href="#tables.VLArray.size_in_memory" title="Permalink to this definition">¶</a></dt>
 <dd><p>The size of this array’s data in bytes when it is fully loaded
 into memory.</p>
 <div class="admonition note">
@@ -743,10 +741,10 @@ <h3>VLArray properties<a class="headerlink" href="#vlarray-properties" title="Li
 
 </section>
 <section id="vlarray-methods">
-<h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Link to this heading">¶</a></h3>
+<h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.append">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sequence</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.append"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.append" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sequence</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.append"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.append" title="Permalink to this definition">¶</a></dt>
 <dd><p>Add a sequence of data to the end of the dataset.</p>
 <p>This method appends the objects in the sequence to a <em>single row</em> in
 this array. The type and shape of individual objects must be compliant
@@ -757,7 +755,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Link to
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.get_enum">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">get_enum</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.get_enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.get_enum" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">get_enum</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.get_enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.get_enum" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the enumerated type associated with this array.</p>
 <p>If this array is of an enumerated type, the corresponding Enum instance
 (see <a class="reference internal" href="helper_classes.html#enumclassdescr"><span class="std std-ref">The Enum class</span></a>) is returned. If it is not of an enumerated
@@ -766,7 +764,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Link to
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.iterrows">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">iterrows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.iterrows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.iterrows" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">iterrows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.iterrows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.iterrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the rows of the array.</p>
 <p>This method returns an iterator yielding an object of the current
 flavor for each selected row in the array.</p>
@@ -788,7 +786,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Link to
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.__next__">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__next__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__next__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__next__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__next__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__next__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__next__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the next element of the array during an iteration.</p>
 <p>The element is returned as a list of objects of the current
 flavor.</p>
@@ -796,7 +794,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Link to
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.read">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.read"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.read" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">1</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.read"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.read" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get data in the array as a list of objects of the current flavor.</p>
 <p>Please note that, as the lengths of the different rows are variable,
 the returned value is a <em>Python list</em> (not an array of the current
@@ -812,19 +810,19 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Link to
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.get_row_size">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">get_row_size</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">row</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.VLArray.get_row_size" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">get_row_size</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">row</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.VLArray.get_row_size" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return the total size in bytes of all the elements contained in a given row.</p>
 </dd></dl>
 
 </section>
 <section id="vlarray-special-methods">
-<h3>VLArray special methods<a class="headerlink" href="#vlarray-special-methods" title="Link to this heading">¶</a></h3>
+<h3>VLArray special methods<a class="headerlink" href="#vlarray-special-methods" title="Permalink to this heading">¶</a></h3>
 <p>The following methods automatically trigger actions when a <a class="reference internal" href="#tables.VLArray" title="tables.VLArray"><code class="xref py py-class docutils literal notranslate"><span class="pre">VLArray</span></code></a>
 instance is accessed in a special way (e.g., vlarray[2:5] will be equivalent
 to a call to vlarray.__getitem__(slice(2, 5, None)).</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a row or a range of rows from the array.</p>
 <p>If key argument is an integer, the corresponding array row is returned
 as an object of the current flavor.  If key is a slice, the range of
@@ -848,7 +846,7 @@ <h3>VLArray special methods<a class="headerlink" href="#vlarray-special-methods"
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.__iter__">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__iter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__iter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the rows of the array.</p>
 <p>This is equivalent to calling <a class="reference internal" href="#tables.VLArray.iterrows" title="tables.VLArray.iterrows"><code class="xref py py-meth docutils literal notranslate"><span class="pre">VLArray.iterrows()</span></code></a> with default
 arguments, i.e. it iterates over <em>all the rows</em> in the array.</p>
@@ -864,7 +862,7 @@ <h3>VLArray special methods<a class="headerlink" href="#vlarray-special-methods"
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.VLArray.__setitem__">
-<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__setitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">VLArray.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/vlarray.html#VLArray.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.VLArray.__setitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a row, or set of rows, in the array.</p>
 <p>It takes different actions depending on the type of the <em>key</em>
 parameter: if it is an integer, the corresponding table row is
diff --git a/usersguide/libref/link_classes.html b/usersguide/libref/link_classes.html
index 3c06d46..ed3f8a9 100644
--- a/usersguide/libref/link_classes.html
+++ b/usersguide/libref/link_classes.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Link classes &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Link classes</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Link classes</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/link_classes.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,12 +95,12 @@
            <div itemprop="articleBody">
              
   <section id="link-classes">
-<h1>Link classes<a class="headerlink" href="#link-classes" title="Link to this heading">¶</a></h1>
+<h1>Link classes<a class="headerlink" href="#link-classes" title="Permalink to this heading">¶</a></h1>
 <section id="the-link-class">
-<span id="linkclassdescr"></span><h2>The Link class<a class="headerlink" href="#the-link-class" title="Link to this heading">¶</a></h2>
+<span id="linkclassdescr"></span><h2>The Link class<a class="headerlink" href="#the-link-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.link.Link">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.link.</span></span><span class="sig-name descname"><span class="pre">Link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.link.</span></span><span class="sig-name descname"><span class="pre">Link</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link" title="Permalink to this definition">¶</a></dt>
 <dd><p>Abstract base class for all PyTables links.</p>
 <p>A link is a node that refers to another node.  The Link class inherits from
 Node class and the links that inherits from Link are SoftLink and
@@ -114,17 +112,17 @@ <h1>Link classes<a class="headerlink" href="#link-classes" title="Link to this h
 <p class="rubric">Link attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.link.Link.target">
-<span class="sig-name descname"><span class="pre">target</span></span><a class="headerlink" href="#tables.link.Link.target" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">target</span></span><a class="headerlink" href="#tables.link.Link.target" title="Permalink to this definition">¶</a></dt>
 <dd><p>The path string to the pointed node.</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="link-instance-variables">
-<h3>Link instance variables<a class="headerlink" href="#link-instance-variables" title="Link to this heading">¶</a></h3>
+<h3>Link instance variables<a class="headerlink" href="#link-instance-variables" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.link.Link._v_attrs">
-<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">_v_attrs</span></span><a class="headerlink" href="#tables.link.Link._v_attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">_v_attrs</span></span><a class="headerlink" href="#tables.link.Link._v_attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>A <em>NoAttrs</em> instance replacing the typical <em>AttributeSet</em> instance of
 other node objects.  The purpose of <em>NoAttrs</em> is to make clear that
 HDF5 attributes are not supported in link nodes.</p>
@@ -132,12 +130,12 @@ <h3>Link instance variables<a class="headerlink" href="#link-instance-variables"
 
 </section>
 <section id="link-methods">
-<h3>Link methods<a class="headerlink" href="#link-methods" title="Link to this heading">¶</a></h3>
+<h3>Link methods<a class="headerlink" href="#link-methods" title="Permalink to this heading">¶</a></h3>
 <p>The following methods are useful for copying, moving, renaming and removing
 links.</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.Link.copy">
-<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy this link and return the new one.</p>
 <p>See <code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_copy()</span></code> for a complete explanation of the arguments.
 Please note that there is no recursive flag since links do not have
@@ -146,20 +144,20 @@ <h3>Link methods<a class="headerlink" href="#link-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.Link.move">
-<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">move</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.move"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.move" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">move</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.move"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.move" title="Permalink to this definition">¶</a></dt>
 <dd><p>Move or rename this link.</p>
 <p>See <code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_move()</span></code> for a complete explanation of the arguments.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.Link.remove">
-<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">remove</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.remove"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.remove" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">remove</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.remove"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.remove" title="Permalink to this definition">¶</a></dt>
 <dd><p>Remove this link from the hierarchy.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.Link.rename">
-<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.rename" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Link.</span></span><span class="sig-name descname"><span class="pre">rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#Link.rename"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.Link.rename" title="Permalink to this definition">¶</a></dt>
 <dd><p>Rename this link in place.</p>
 <p>See <code class="xref py py-meth docutils literal notranslate"><span class="pre">Node._f_rename()</span></code> for a complete explanation of the arguments.</p>
 </dd></dl>
@@ -167,10 +165,10 @@ <h3>Link methods<a class="headerlink" href="#link-methods" title="Link to this h
 </section>
 </section>
 <section id="the-softlink-class">
-<span id="softlinkclassdescr"></span><h2>The SoftLink class<a class="headerlink" href="#the-softlink-class" title="Link to this heading">¶</a></h2>
+<span id="softlinkclassdescr"></span><h2>The SoftLink class<a class="headerlink" href="#the-softlink-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.link.SoftLink">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.link.</span></span><span class="sig-name descname"><span class="pre">SoftLink</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#SoftLink"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.SoftLink" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.link.</span></span><span class="sig-name descname"><span class="pre">SoftLink</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#SoftLink"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.SoftLink" title="Permalink to this definition">¶</a></dt>
 <dd><p>Represents a soft link (aka symbolic link).</p>
 <p>A soft link is a reference to another node in the <em>same</em> file hierarchy.
 Provided that the target node exists, its attributes and methods can be
@@ -219,12 +217,12 @@ <h3>Link methods<a class="headerlink" href="#link-methods" title="Link to this h
 </dd></dl>
 
 <section id="softlink-special-methods">
-<h3>SoftLink special methods<a class="headerlink" href="#softlink-special-methods" title="Link to this heading">¶</a></h3>
+<h3>SoftLink special methods<a class="headerlink" href="#softlink-special-methods" title="Permalink to this heading">¶</a></h3>
 <p>The following methods are specific for dereferencing and representing soft
 links.</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.SoftLink.__call__">
-<span class="sig-prename descclassname"><span class="pre">SoftLink.</span></span><span class="sig-name descname"><span class="pre">__call__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#SoftLink.__call__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.SoftLink.__call__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">SoftLink.</span></span><span class="sig-name descname"><span class="pre">__call__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#SoftLink.__call__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.SoftLink.__call__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dereference <cite>self.target</cite> and return the object.</p>
 <p class="rubric">Examples</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">f</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">open_file</span><span class="p">(</span><span class="s1">&#39;tables/tests/slink.h5&#39;</span><span class="p">)</span>
@@ -239,7 +237,7 @@ <h3>SoftLink special methods<a class="headerlink" href="#softlink-special-method
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.SoftLink.__str__">
-<span class="sig-prename descclassname"><span class="pre">SoftLink.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#SoftLink.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.SoftLink.__str__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">SoftLink.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#SoftLink.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.SoftLink.__str__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a short string representation of the link.</p>
 <p class="rubric">Examples</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">f</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">open_file</span><span class="p">(</span><span class="s1">&#39;tables/tests/slink.h5&#39;</span><span class="p">)</span>
@@ -253,10 +251,10 @@ <h3>SoftLink special methods<a class="headerlink" href="#softlink-special-method
 </section>
 </section>
 <section id="the-externallink-class">
-<h2>The ExternalLink class<a class="headerlink" href="#the-externallink-class" title="Link to this heading">¶</a></h2>
+<h2>The ExternalLink class<a class="headerlink" href="#the-externallink-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.link.ExternalLink">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.link.</span></span><span class="sig-name descname"><span class="pre">ExternalLink</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.link.</span></span><span class="sig-name descname"><span class="pre">ExternalLink</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">target</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink" title="Permalink to this definition">¶</a></dt>
 <dd><p>Represents an external link.</p>
 <p>An external link is a reference to a node in <em>another</em> file.
 Getting access to the pointed node (this action is called
@@ -265,7 +263,7 @@ <h2>The ExternalLink class<a class="headerlink" href="#the-externallink-class" t
 <p class="rubric">ExternalLink attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.link.ExternalLink.extfile">
-<span class="sig-name descname"><span class="pre">extfile</span></span><a class="headerlink" href="#tables.link.ExternalLink.extfile" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">extfile</span></span><a class="headerlink" href="#tables.link.ExternalLink.extfile" title="Permalink to this definition">¶</a></dt>
 <dd><p>The external file handler, if the link has been dereferenced.
 In case the link has not been dereferenced yet, its value is
 None.</p>
@@ -274,21 +272,21 @@ <h2>The ExternalLink class<a class="headerlink" href="#the-externallink-class" t
 </dd></dl>
 
 <section id="externallink-methods">
-<h3>ExternalLink methods<a class="headerlink" href="#externallink-methods" title="Link to this heading">¶</a></h3>
+<h3>ExternalLink methods<a class="headerlink" href="#externallink-methods" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.ExternalLink.umount">
-<span class="sig-prename descclassname"><span class="pre">ExternalLink.</span></span><span class="sig-name descname"><span class="pre">umount</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink.umount"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink.umount" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ExternalLink.</span></span><span class="sig-name descname"><span class="pre">umount</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink.umount"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink.umount" title="Permalink to this definition">¶</a></dt>
 <dd><p>Safely unmount self.extfile, if opened.</p>
 </dd></dl>
 
 </section>
 <section id="externallink-special-methods">
-<h3>ExternalLink special methods<a class="headerlink" href="#externallink-special-methods" title="Link to this heading">¶</a></h3>
+<h3>ExternalLink special methods<a class="headerlink" href="#externallink-special-methods" title="Permalink to this heading">¶</a></h3>
 <p>The following methods are specific for dereferencing and representing
 external links.</p>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.ExternalLink.__call__">
-<span class="sig-prename descclassname"><span class="pre">ExternalLink.</span></span><span class="sig-name descname"><span class="pre">__call__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink.__call__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink.__call__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ExternalLink.</span></span><span class="sig-name descname"><span class="pre">__call__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink.__call__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink.__call__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Dereference self.target and return the object.</p>
 <p>You can pass all the arguments supported by the <code class="xref py py-func docutils literal notranslate"><span class="pre">open_file()</span></code>
 function (except filename, of course) so as to open the referenced
@@ -309,7 +307,7 @@ <h3>ExternalLink special methods<a class="headerlink" href="#externallink-specia
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.link.ExternalLink.__str__">
-<span class="sig-prename descclassname"><span class="pre">ExternalLink.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink.__str__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">ExternalLink.</span></span><span class="sig-name descname"><span class="pre">__str__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/link.html#ExternalLink.__str__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.link.ExternalLink.__str__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Return a short string representation of the link.</p>
 <p class="rubric">Examples</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">f</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">open_file</span><span class="p">(</span><span class="s1">&#39;tables/tests/elink.h5&#39;</span><span class="p">)</span>
diff --git a/usersguide/libref/structured_storage.html b/usersguide/libref/structured_storage.html
index 742b4c8..41d9f01 100644
--- a/usersguide/libref/structured_storage.html
+++ b/usersguide/libref/structured_storage.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Structured storage classes &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Structured storage classes</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Structured storage classes</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/structured_storage.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,12 +95,12 @@
            <div itemprop="articleBody">
              
   <section id="structured-storage-classes">
-<h1>Structured storage classes<a class="headerlink" href="#structured-storage-classes" title="Link to this heading">¶</a></h1>
+<h1>Structured storage classes<a class="headerlink" href="#structured-storage-classes" title="Permalink to this heading">¶</a></h1>
 <section id="the-table-class">
-<span id="tableclassdescr"></span><h2>The Table class<a class="headerlink" href="#the-table-class" title="Link to this heading">¶</a></h2>
+<span id="tableclassdescr"></span><h2>The Table class<a class="headerlink" href="#the-table-class" title="Permalink to this heading">¶</a></h2>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Table">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Table</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">description</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Table</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">parentnode</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">description</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expectedrows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">chunkshape</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">byteorder</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_log</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">track_times</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents heterogeneous datasets in an HDF5 file.</p>
 <p>Tables are leaves (see the Leaf class in <a class="reference internal" href="hierarchy_classes.html#leafclassdescr"><span class="std std-ref">The Leaf class</span></a>) whose data
 consists of a unidimensional sequence of <em>rows</em>, where each row contains
@@ -187,32 +185,32 @@ <h1>Structured storage classes<a class="headerlink" href="#structured-storage-cl
 <p class="rubric">Table attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.coldescrs">
-<span class="sig-name descname"><span class="pre">coldescrs</span></span><a class="headerlink" href="#tables.Table.coldescrs" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">coldescrs</span></span><a class="headerlink" href="#tables.Table.coldescrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maps the name of a column to its Col description (see
 <a class="reference internal" href="declarative_classes.html#colclassdescr"><span class="std std-ref">The Col class and its descendants</span></a>).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.coldflts">
-<span class="sig-name descname"><span class="pre">coldflts</span></span><a class="headerlink" href="#tables.Table.coldflts" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">coldflts</span></span><a class="headerlink" href="#tables.Table.coldflts" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maps the name of a column to its default value.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.coldtypes">
-<span class="sig-name descname"><span class="pre">coldtypes</span></span><a class="headerlink" href="#tables.Table.coldtypes" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">coldtypes</span></span><a class="headerlink" href="#tables.Table.coldtypes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maps the name of a column to its NumPy data type.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.colindexed">
-<span class="sig-name descname"><span class="pre">colindexed</span></span><a class="headerlink" href="#tables.Table.colindexed" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">colindexed</span></span><a class="headerlink" href="#tables.Table.colindexed" title="Permalink to this definition">¶</a></dt>
 <dd><p>Is the column which name is used as a key indexed?</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.colinstances">
-<span class="sig-name descname"><span class="pre">colinstances</span></span><a class="headerlink" href="#tables.Table.colinstances" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">colinstances</span></span><a class="headerlink" href="#tables.Table.colinstances" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maps the name of a column to its Column (see
 <a class="reference internal" href="#columnclassdescr"><span class="std std-ref">The Column class</span></a>) or Cols (see <a class="reference internal" href="#colsclassdescr"><span class="std std-ref">The Cols class</span></a>)
 instance.</p>
@@ -220,13 +218,13 @@ <h1>Structured storage classes<a class="headerlink" href="#structured-storage-cl
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.colnames">
-<span class="sig-name descname"><span class="pre">colnames</span></span><a class="headerlink" href="#tables.Table.colnames" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">colnames</span></span><a class="headerlink" href="#tables.Table.colnames" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list containing the names of <em>top-level</em> columns in the table.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.colpathnames">
-<span class="sig-name descname"><span class="pre">colpathnames</span></span><a class="headerlink" href="#tables.Table.colpathnames" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">colpathnames</span></span><a class="headerlink" href="#tables.Table.colpathnames" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list containing the pathnames of <em>bottom-level</em> columns in
 the table.</p>
 <p>These are the leaf columns obtained when walking the table
@@ -237,7 +235,7 @@ <h1>Structured storage classes<a class="headerlink" href="#structured-storage-cl
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.cols">
-<span class="sig-name descname"><span class="pre">cols</span></span><a class="headerlink" href="#tables.Table.cols" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">cols</span></span><a class="headerlink" href="#tables.Table.cols" title="Permalink to this definition">¶</a></dt>
 <dd><p>A Cols instance that provides <em>natural naming</em> access to
 non-nested (Column, see <a class="reference internal" href="#columnclassdescr"><span class="std std-ref">The Column class</span></a>) and nested
 (Cols, see <a class="reference internal" href="#colsclassdescr"><span class="std std-ref">The Cols class</span></a>) columns.</p>
@@ -245,42 +243,42 @@ <h1>Structured storage classes<a class="headerlink" href="#structured-storage-cl
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.coltypes">
-<span class="sig-name descname"><span class="pre">coltypes</span></span><a class="headerlink" href="#tables.Table.coltypes" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">coltypes</span></span><a class="headerlink" href="#tables.Table.coltypes" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maps the name of a column to its PyTables data type.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.description">
-<span class="sig-name descname"><span class="pre">description</span></span><a class="headerlink" href="#tables.Table.description" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">description</span></span><a class="headerlink" href="#tables.Table.description" title="Permalink to this definition">¶</a></dt>
 <dd><p>A Description instance (see <a class="reference internal" href="#descriptionclassdescr"><span class="std std-ref">The Description class</span></a>)
 reflecting the structure of the table.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.extdim">
-<span class="sig-name descname"><span class="pre">extdim</span></span><a class="headerlink" href="#tables.Table.extdim" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">extdim</span></span><a class="headerlink" href="#tables.Table.extdim" title="Permalink to this definition">¶</a></dt>
 <dd><p>The index of the enlargeable dimension (always 0 for tables).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.indexed">
-<span class="sig-name descname"><span class="pre">indexed</span></span><a class="headerlink" href="#tables.Table.indexed" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">indexed</span></span><a class="headerlink" href="#tables.Table.indexed" title="Permalink to this definition">¶</a></dt>
 <dd><p>Does this table have any indexed columns?</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.nrows">
-<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.Table.nrows" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">nrows</span></span><a class="headerlink" href="#tables.Table.nrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>The current number of rows in the table.</p>
 </dd></dl>
 
 </dd></dl>
 
 <section id="table-properties">
-<h3>Table properties<a class="headerlink" href="#table-properties" title="Link to this heading">¶</a></h3>
+<h3>Table properties<a class="headerlink" href="#table-properties" title="Permalink to this heading">¶</a></h3>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.autoindex">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">autoindex</span></span><a class="headerlink" href="#tables.Table.autoindex" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">autoindex</span></span><a class="headerlink" href="#tables.Table.autoindex" title="Permalink to this definition">¶</a></dt>
 <dd><p>Automatically keep column indexes up to date?</p>
 <p>Setting this value states whether existing indexes should be
 automatically updated after an append operation or recomputed
@@ -298,34 +296,34 @@ <h3>Table properties<a class="headerlink" href="#table-properties" title="Link t
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.colindexes">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">colindexes</span></span><a class="headerlink" href="#tables.Table.colindexes" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">colindexes</span></span><a class="headerlink" href="#tables.Table.colindexes" title="Permalink to this definition">¶</a></dt>
 <dd><p>A dictionary with the indexes of the indexed columns.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.indexedcolpathnames">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">indexedcolpathnames</span></span><a class="headerlink" href="#tables.Table.indexedcolpathnames" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">indexedcolpathnames</span></span><a class="headerlink" href="#tables.Table.indexedcolpathnames" title="Permalink to this definition">¶</a></dt>
 <dd><p>List of pathnames of indexed columns in the table.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.row">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">row</span></span><a class="headerlink" href="#tables.Table.row" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">row</span></span><a class="headerlink" href="#tables.Table.row" title="Permalink to this definition">¶</a></dt>
 <dd><p>The associated Row instance (see <a class="reference internal" href="#rowclassdescr"><span class="std std-ref">The Row class</span></a>).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Table.rowsize">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">rowsize</span></span><a class="headerlink" href="#tables.Table.rowsize" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">rowsize</span></span><a class="headerlink" href="#tables.Table.rowsize" title="Permalink to this definition">¶</a></dt>
 <dd><p>The size in bytes of each row in the table.</p>
 </dd></dl>
 
 </section>
 <section id="table-methods-reading">
-<h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" title="Link to this heading">¶</a></h3>
+<h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.col">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.col"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.col" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.col"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a column from the table.</p>
 <p>If a column called name exists in the table, it is read and returned as
 a NumPy object. If it does not exist, a KeyError is raised.</p>
@@ -343,7 +341,7 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.iterrows">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">iterrows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.iterrows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.iterrows" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">iterrows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.iterrows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.iterrows" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the table using a Row instance.</p>
 <p>If a range is not supplied, <em>all the rows</em> in the table are iterated
 upon - you can also use the <a class="reference internal" href="#tables.Table.__iter__" title="tables.Table.__iter__"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.__iter__()</span></code></a> special method for
@@ -377,13 +375,13 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.itersequence">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">itersequence</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sequence</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.itersequence"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.itersequence" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">itersequence</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sequence</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.itersequence"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.itersequence" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over a sequence of row coordinates.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.itersorted">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">itersorted</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sortby</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">checkCSI</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.itersorted"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.itersorted" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">itersorted</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sortby</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">checkCSI</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.itersorted"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.itersorted" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate table data following the order of the index of sortby
 column.</p>
 <p>The sortby column must have associated a full index.  If you want to
@@ -401,7 +399,7 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.read">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">out</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get data in the table as a (record) array.</p>
 <p>The start, stop and step parameters can be used to select only
 a <em>range of rows</em> in the table. Their meanings are the same as
@@ -451,7 +449,7 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.read_coordinates">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read_coordinates</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">coords</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read_coordinates"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read_coordinates" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read_coordinates</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">coords</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read_coordinates"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read_coordinates" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a set of rows given their indexes as a (record) array.</p>
 <p>This method works much like the <a class="reference internal" href="#tables.Table.read" title="tables.Table.read"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.read()</span></code></a> method, but it uses
 a sequence (coords) of row indexes to select the wanted columns,
@@ -462,7 +460,7 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.read_sorted">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read_sorted</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sortby</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">checkCSI</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read_sorted"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read_sorted" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read_sorted</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">sortby</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">checkCSI</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read_sorted"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read_sorted" title="Permalink to this definition">¶</a></dt>
 <dd><p>Read table data following the order of the index of sortby column.</p>
 <p>The sortby column must have associated a full index.  If you want to
 ensure a fully sorted order, the index must be a CSI one.  You may want
@@ -482,7 +480,7 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a row or a range of rows from the table.</p>
 <p>If key argument is an integer, the corresponding table row is returned
 as a record of the current flavor. If key is a slice, the range of rows
@@ -514,7 +512,7 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.__iter__">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.__iter__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">__iter__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.__iter__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.__iter__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over the table using a Row instance.</p>
 <p>This is equivalent to calling <a class="reference internal" href="#tables.Table.iterrows" title="tables.Table.iterrows"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.iterrows()</span></code></a> with default
 arguments, i.e. it iterates over <em>all the rows</em> in the table.</p>
@@ -538,10 +536,10 @@ <h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" t
 
 </section>
 <section id="table-methods-writing">
-<h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" title="Link to this heading">¶</a></h3>
+<h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.append">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">rows</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.append"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.append" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">rows</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.append"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.append" title="Permalink to this definition">¶</a></dt>
 <dd><p>Append a sequence of rows to the end of the table.</p>
 <p>The rows argument may be any object which can be converted to
 a structured array compliant with the table structure
@@ -573,7 +571,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.modify_column">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_column</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">column</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">colname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_column"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_column" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_column</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">column</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">colname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_column"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_column" title="Permalink to this definition">¶</a></dt>
 <dd><p>Modify one single column in the row slice [start:stop:step].</p>
 <p>The colname argument specifies the name of the column in the
 table to be modified with the data given in column.  This
@@ -589,7 +587,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.modify_columns">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_columns</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">columns</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">names</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_columns"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_columns" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_columns</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">columns</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">names</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_columns"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_columns" title="Permalink to this definition">¶</a></dt>
 <dd><p>Modify a series of columns in the row slice [start:stop:step].</p>
 <p>The names argument specifies the names of the columns in the
 table to be modified with the data given in columns.  This
@@ -605,7 +603,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.modify_coordinates">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_coordinates</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">coords</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rows</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_coordinates"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_coordinates" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_coordinates</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">coords</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rows</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_coordinates"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_coordinates" title="Permalink to this definition">¶</a></dt>
 <dd><p>Modify a series of rows in positions specified in coords.</p>
 <p>The values in the selected rows will be modified with the data given in
 rows.  This method returns the number of rows modified.</p>
@@ -615,7 +613,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.modify_rows">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_rows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_rows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_rows" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">modify_rows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rows</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.modify_rows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.modify_rows" title="Permalink to this definition">¶</a></dt>
 <dd><p>Modify a series of rows in the slice [start:stop:step].</p>
 <p>The values in the selected rows will be modified with the data given in
 rows.  This method returns the number of rows modified.  Should the
@@ -627,7 +625,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.remove_rows">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">remove_rows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.remove_rows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.remove_rows" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">remove_rows</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.remove_rows"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.remove_rows" title="Permalink to this definition">¶</a></dt>
 <dd><p>Remove a range of rows in the table.</p>
 <p>If only start is supplied, that row and all following will be deleted.
 If a range is supplied, i.e. both the start and stop parameters are
@@ -678,7 +676,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.remove_row">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">remove_row</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">n</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.remove_row"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.remove_row" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">remove_row</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">n</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.remove_row"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.remove_row" title="Permalink to this definition">¶</a></dt>
 <dd><p>Removes a row from the table.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -708,7 +706,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.__setitem__">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.__setitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.__setitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a row or a range of rows in the table.</p>
 <p>It takes different actions depending on the type of the <em>key</em>
 parameter: if it is an integer, the corresponding table row is
@@ -752,10 +750,10 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 </section>
 <section id="table-methods-querying">
-<span id="tablemethods-querying"></span><h3>Table methods - querying<a class="headerlink" href="#table-methods-querying" title="Link to this heading">¶</a></h3>
+<span id="tablemethods-querying"></span><h3>Table methods - querying<a class="headerlink" href="#table-methods-querying" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.get_where_list">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">get_where_list</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">sort</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.get_where_list"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.get_where_list" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">get_where_list</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">sort</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.get_where_list"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.get_where_list" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the row coordinates fulfilling the given condition.</p>
 <p>The coordinates are returned as a list of the current flavor.  sort
 means that you want to retrieve the coordinates ordered. The default is
@@ -766,7 +764,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.read_where">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read_where</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read_where"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read_where" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">read_where</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">field</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.read_where"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.read_where" title="Permalink to this definition">¶</a></dt>
 <dd><p>Read table data fulfilling the given <em>condition</em>.</p>
 <p>This method is similar to <a class="reference internal" href="#tables.Table.read" title="tables.Table.read"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.read()</span></code></a>, having their common
 arguments and return values the same meanings. However, only the rows
@@ -777,7 +775,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.where">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">where</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.where"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.where" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">where</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.where"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.where" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over values fulfilling a condition.</p>
 <p>This method returns a Row iterator (see <a class="reference internal" href="#rowclassdescr"><span class="std std-ref">The Row class</span></a>) which
 only selects rows in the table that satisfy the given condition (an
@@ -857,7 +855,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.append_where">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">append_where</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dstTable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condition</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.append_where"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.append_where" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">append_where</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dstTable</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condition</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">start</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">stop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">step</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.append_where"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.append_where" title="Permalink to this definition">¶</a></dt>
 <dd><p>Append rows fulfilling the condition to the dstTable table.</p>
 <p>dstTable must be capable of taking the rows resulting from the query,
 i.e. it must have columns with the expected names and compatible
@@ -871,7 +869,7 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.will_query_use_indexing">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">will_query_use_indexing</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.will_query_use_indexing"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.will_query_use_indexing" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">will_query_use_indexing</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">condition</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">condvars</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.will_query_use_indexing"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.will_query_use_indexing" title="Permalink to this definition">¶</a></dt>
 <dd><p>Will a query for the condition use indexing?</p>
 <p>The meaning of the condition and <em>condvars</em> arguments is the same as in
 the <a class="reference internal" href="#tables.Table.where" title="tables.Table.where"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.where()</span></code></a> method. If condition can use indexing, this
@@ -884,10 +882,10 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 
 </section>
 <section id="table-methods-other">
-<h3>Table methods - other<a class="headerlink" href="#table-methods-other" title="Link to this heading">¶</a></h3>
+<h3>Table methods - other<a class="headerlink" href="#table-methods-other" title="Permalink to this heading">¶</a></h3>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.copy">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.copy" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">copy</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">newparent</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">newname</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">createparents</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.copy"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.copy" title="Permalink to this definition">¶</a></dt>
 <dd><p>Copy this table and return the new one.</p>
 <p>This method has the behavior and keywords described in
 <a class="reference internal" href="hierarchy_classes.html#tables.Leaf.copy" title="tables.Leaf.copy"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Leaf.copy()</span></code></a>.  Moreover, it recognises the following additional
@@ -915,7 +913,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.flush_rows_to_index">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">flush_rows_to_index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">_lastrow</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.flush_rows_to_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.flush_rows_to_index" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">flush_rows_to_index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">_lastrow</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.flush_rows_to_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.flush_rows_to_index" title="Permalink to this definition">¶</a></dt>
 <dd><p>Add remaining rows in buffers to non-dirty indexes.</p>
 <p>This can be useful when you have chosen non-automatic indexing
 for the table (see the <a class="reference internal" href="#tables.Table.autoindex" title="tables.Table.autoindex"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Table.autoindex</span></code></a> property in
@@ -924,7 +922,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.get_enum">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">get_enum</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">colname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.get_enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.get_enum" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">get_enum</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">colname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.get_enum"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.get_enum" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the enumerated type associated with the named column.</p>
 <p>If the column named colname (a string) exists and is of an enumerated
 type, the corresponding Enum instance (see <a class="reference internal" href="helper_classes.html#enumclassdescr"><span class="std std-ref">The Enum class</span></a>) is
@@ -934,7 +932,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.reindex">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">reindex</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.reindex"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.reindex" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">reindex</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.reindex"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.reindex" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recompute all the existing indexes in the table.</p>
 <p>This can be useful when you suspect that, for any reason, the
 index information for columns is no longer valid and want to
@@ -943,7 +941,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Table.reindex_dirty">
-<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">reindex_dirty</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.reindex_dirty"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.reindex_dirty" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Table.</span></span><span class="sig-name descname"><span class="pre">reindex_dirty</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Table.reindex_dirty"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Table.reindex_dirty" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recompute the existing indexes in table, <em>if</em> they are dirty.</p>
 <p>This can be useful when you have set <a class="reference internal" href="#tables.Table.autoindex" title="tables.Table.autoindex"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Table.autoindex</span></code></a>
 (see <a class="reference internal" href="#tables.Table" title="tables.Table"><code class="xref py py-class docutils literal notranslate"><span class="pre">Table</span></code></a>) to false for the table and you want to
@@ -953,10 +951,10 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 </section>
 <section id="the-description-class">
-<span id="descriptionclassdescr"></span><h3>The Description class<a class="headerlink" href="#the-description-class" title="Link to this heading">¶</a></h3>
+<span id="descriptionclassdescr"></span><h3>The Description class<a class="headerlink" href="#the-description-class" title="Permalink to this heading">¶</a></h3>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Description">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Description</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classdict</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">nestedlvl</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">validate</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ptparams</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Description"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Description" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Description</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">classdict</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">nestedlvl</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">-1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">validate</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">ptparams</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Description"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Description" title="Permalink to this definition">¶</a></dt>
 <dd><p>This class represents descriptions of the structure of tables.</p>
 <p>An instance of this class is automatically bound to Table (see
 <a class="reference internal" href="#tableclassdescr"><span class="std std-ref">The Table class</span></a>) objects when they are created.  It provides a
@@ -972,7 +970,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 <p class="rubric">Description attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_colobjects">
-<span class="sig-name descname"><span class="pre">_v_colobjects</span></span><a class="headerlink" href="#tables.Description._v_colobjects" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_colobjects</span></span><a class="headerlink" href="#tables.Description._v_colobjects" title="Permalink to this definition">¶</a></dt>
 <dd><p>A dictionary mapping the names of the columns hanging
 directly from the associated table or nested column to their
 respective descriptions (Col - see <a class="reference internal" href="declarative_classes.html#colclassdescr"><span class="std std-ref">The Col class and its descendants</span></a> or
@@ -985,7 +983,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_dflts">
-<span class="sig-name descname"><span class="pre">_v_dflts</span></span><a class="headerlink" href="#tables.Description._v_dflts" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_dflts</span></span><a class="headerlink" href="#tables.Description._v_dflts" title="Permalink to this definition">¶</a></dt>
 <dd><p>A dictionary mapping the names of non-nested columns
 hanging directly from the associated table or nested column
 to their respective default values.</p>
@@ -993,7 +991,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_dtype">
-<span class="sig-name descname"><span class="pre">_v_dtype</span></span><a class="headerlink" href="#tables.Description._v_dtype" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_dtype</span></span><a class="headerlink" href="#tables.Description._v_dtype" title="Permalink to this definition">¶</a></dt>
 <dd><p>The NumPy type which reflects the structure of this
 table or nested column.  You can use this as the
 dtype argument of NumPy array factories.</p>
@@ -1001,7 +999,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_dtypes">
-<span class="sig-name descname"><span class="pre">_v_dtypes</span></span><a class="headerlink" href="#tables.Description._v_dtypes" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_dtypes</span></span><a class="headerlink" href="#tables.Description._v_dtypes" title="Permalink to this definition">¶</a></dt>
 <dd><p>A dictionary mapping the names of non-nested columns
 hanging directly from the associated table or nested column
 to their respective NumPy types.</p>
@@ -1009,27 +1007,27 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_is_nested">
-<span class="sig-name descname"><span class="pre">_v_is_nested</span></span><a class="headerlink" href="#tables.Description._v_is_nested" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_is_nested</span></span><a class="headerlink" href="#tables.Description._v_is_nested" title="Permalink to this definition">¶</a></dt>
 <dd><p>Whether the associated table or nested column contains
 further nested columns or not.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_itemsize">
-<span class="sig-name descname"><span class="pre">_v_itemsize</span></span><a class="headerlink" href="#tables.Description._v_itemsize" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_itemsize</span></span><a class="headerlink" href="#tables.Description._v_itemsize" title="Permalink to this definition">¶</a></dt>
 <dd><p>The size in bytes of an item in this table or nested column.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_name">
-<span class="sig-name descname"><span class="pre">_v_name</span></span><a class="headerlink" href="#tables.Description._v_name" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_name</span></span><a class="headerlink" href="#tables.Description._v_name" title="Permalink to this definition">¶</a></dt>
 <dd><p>The name of this description group. The name of the
 root group is ‘/’.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_names">
-<span class="sig-name descname"><span class="pre">_v_names</span></span><a class="headerlink" href="#tables.Description._v_names" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_names</span></span><a class="headerlink" href="#tables.Description._v_names" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list of the names of the columns hanging directly
 from the associated table or nested column. The order of the
 names matches the order of their respective columns in the
@@ -1038,7 +1036,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_nested_descr">
-<span class="sig-name descname"><span class="pre">_v_nested_descr</span></span><a class="headerlink" href="#tables.Description._v_nested_descr" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_nested_descr</span></span><a class="headerlink" href="#tables.Description._v_nested_descr" title="Permalink to this definition">¶</a></dt>
 <dd><p>A nested list of pairs of (name, format) tuples for all the columns
 under this table or nested column. You can use this as the dtype and
 descr arguments of NumPy array factories.</p>
@@ -1050,7 +1048,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_nested_formats">
-<span class="sig-name descname"><span class="pre">_v_nested_formats</span></span><a class="headerlink" href="#tables.Description._v_nested_formats" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_nested_formats</span></span><a class="headerlink" href="#tables.Description._v_nested_formats" title="Permalink to this definition">¶</a></dt>
 <dd><p>A nested list of the NumPy string formats (and shapes) of all the
 columns under this table or nested column. You can use this as the
 formats argument of NumPy array factories.</p>
@@ -1062,14 +1060,14 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_nestedlvl">
-<span class="sig-name descname"><span class="pre">_v_nestedlvl</span></span><a class="headerlink" href="#tables.Description._v_nestedlvl" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_nestedlvl</span></span><a class="headerlink" href="#tables.Description._v_nestedlvl" title="Permalink to this definition">¶</a></dt>
 <dd><p>The level of the associated table or nested column in the nested
 datatype.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_nested_names">
-<span class="sig-name descname"><span class="pre">_v_nested_names</span></span><a class="headerlink" href="#tables.Description._v_nested_names" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_nested_names</span></span><a class="headerlink" href="#tables.Description._v_nested_names" title="Permalink to this definition">¶</a></dt>
 <dd><p>A nested list of the names of all the columns under this table or
 nested column. You can use this as the names argument of NumPy array
 factories.</p>
@@ -1081,13 +1079,13 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_pathname">
-<span class="sig-name descname"><span class="pre">_v_pathname</span></span><a class="headerlink" href="#tables.Description._v_pathname" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_pathname</span></span><a class="headerlink" href="#tables.Description._v_pathname" title="Permalink to this definition">¶</a></dt>
 <dd><p>Pathname of the table or nested column.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_pathnames">
-<span class="sig-name descname"><span class="pre">_v_pathnames</span></span><a class="headerlink" href="#tables.Description._v_pathnames" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_pathnames</span></span><a class="headerlink" href="#tables.Description._v_pathnames" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list of the pathnames of all the columns under this table or nested
 column (in preorder).  If it does not contain nested columns, this is
 exactly the same as the <a class="reference internal" href="#tables.Description._v_names" title="tables.Description._v_names"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Description._v_names</span></code></a> attribute.</p>
@@ -1095,7 +1093,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_types">
-<span class="sig-name descname"><span class="pre">_v_types</span></span><a class="headerlink" href="#tables.Description._v_types" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_types</span></span><a class="headerlink" href="#tables.Description._v_types" title="Permalink to this definition">¶</a></dt>
 <dd><p>A dictionary mapping the names of non-nested columns hanging directly
 from the associated table or nested column to their respective PyTables
 types.</p>
@@ -1103,7 +1101,7 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Description._v_offsets">
-<span class="sig-name descname"><span class="pre">_v_offsets</span></span><a class="headerlink" href="#tables.Description._v_offsets" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_offsets</span></span><a class="headerlink" href="#tables.Description._v_offsets" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list of offsets for all the columns.  If the list is empty, means
 that there are no padding in the data structure.  However, the support
 for offsets is currently limited to flat tables; for nested tables, the
@@ -1121,10 +1119,10 @@ <h3>Table methods - other<a class="headerlink" href="#table-methods-other" title
 </dd></dl>
 
 <section id="description-methods">
-<h4>Description methods<a class="headerlink" href="#description-methods" title="Link to this heading">¶</a></h4>
+<h4>Description methods<a class="headerlink" href="#description-methods" title="Permalink to this heading">¶</a></h4>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Description._f_walk">
-<span class="sig-prename descclassname"><span class="pre">Description.</span></span><span class="sig-name descname"><span class="pre">_f_walk</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">type</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'All'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Description._f_walk"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Description._f_walk" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Description.</span></span><span class="sig-name descname"><span class="pre">_f_walk</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">type</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'All'</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/description.html#Description._f_walk"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Description._f_walk" title="Permalink to this definition">¶</a></dt>
 <dd><p>Iterate over nested columns.</p>
 <p>If type is ‘All’ (the default), all column description objects (Col and
 Description instances) are yielded in top-to-bottom order (preorder).</p>
@@ -1135,10 +1133,10 @@ <h4>Description methods<a class="headerlink" href="#description-methods" title="
 </section>
 </section>
 <section id="the-row-class">
-<span id="rowclassdescr"></span><h3>The Row class<a class="headerlink" href="#the-row-class" title="Link to this heading">¶</a></h3>
+<span id="rowclassdescr"></span><h3>The Row class<a class="headerlink" href="#the-row-class" title="Permalink to this heading">¶</a></h3>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.tableextension.Row">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.tableextension.</span></span><span class="sig-name descname"><span class="pre">Row</span></span><a class="headerlink" href="#tables.tableextension.Row" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.tableextension.</span></span><span class="sig-name descname"><span class="pre">Row</span></span><a class="headerlink" href="#tables.tableextension.Row" title="Permalink to this definition">¶</a></dt>
 <dd><p>Table row iterator and field accessor.</p>
 <p>Instances of this class are used to fetch and set the values
 of individual table fields.  It works very much like a dictionary,
@@ -1152,7 +1150,7 @@ <h4>Description methods<a class="headerlink" href="#description-methods" title="
 <p class="rubric">Row attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.tableextension.Row.nrow">
-<span class="sig-name descname"><span class="pre">nrow</span></span><a class="headerlink" href="#tables.tableextension.Row.nrow" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">nrow</span></span><a class="headerlink" href="#tables.tableextension.Row.nrow" title="Permalink to this definition">¶</a></dt>
 <dd><p>The current row number.</p>
 <p>This property is useful for knowing which row is being dealt with in the
 middle of a loop or iterator.</p>
@@ -1161,10 +1159,10 @@ <h4>Description methods<a class="headerlink" href="#description-methods" title="
 </dd></dl>
 
 <section id="row-methods">
-<h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this heading">¶</a></h4>
+<h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to this heading">¶</a></h4>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.tableextension.Row.append">
-<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.append" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">append</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.append" title="Permalink to this definition">¶</a></dt>
 <dd><p>Add a new row of data to the end of the dataset.</p>
 <p>Once you have filled the proper fields for the current
 row, calling this method actually appends the new data to the
@@ -1192,7 +1190,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.tableextension.Row.fetch_all_fields">
-<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">fetch_all_fields</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.fetch_all_fields" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">fetch_all_fields</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.fetch_all_fields" title="Permalink to this definition">¶</a></dt>
 <dd><p>Retrieve all the fields in the current row.</p>
 <p>Contrarily to row[:] (see <a class="reference internal" href="#rowspecialmethods"><span class="std std-ref">Row special methods</span></a>), this returns row
 data as a NumPy void scalar.  For instance:</p>
@@ -1205,7 +1203,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.tableextension.Row.update">
-<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">update</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.update" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">update</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.update" title="Permalink to this definition">¶</a></dt>
 <dd><p>Change the data of the current row in the dataset.</p>
 <p>This method allows you to modify values in a table when you are in the
 middle of a table iterator like <code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.iterrows()</span></code> or
@@ -1245,17 +1243,17 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 
 </section>
 <section id="row-special-methods">
-<span id="rowspecialmethods"></span><h4>Row special methods<a class="headerlink" href="#row-special-methods" title="Link to this heading">¶</a></h4>
+<span id="rowspecialmethods"></span><h4>Row special methods<a class="headerlink" href="#row-special-methods" title="Permalink to this heading">¶</a></h4>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.tableextension.Row.__contains__">
-<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">item</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.__contains__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">__contains__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">item</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.__contains__" title="Permalink to this definition">¶</a></dt>
 <dd><p>A true value is returned if item is found in current row, false
 otherwise.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.tableextension.Row.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the row field specified by the <cite>key</cite>.</p>
 <p>The key can be a string (the name of the field), an integer (the
 position of the field) or a slice (the range of field positions). When
@@ -1286,7 +1284,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.tableextension.Row.__setitem__">
-<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.__setitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Row.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.tableextension.Row.__setitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set the key row field to the specified value.</p>
 <p>Differently from its __getitem__() counterpart, in this case key can
 only be a string (the name of the field). The changes done via
@@ -1307,10 +1305,10 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 </section>
 </section>
 <section id="the-cols-class">
-<span id="colsclassdescr"></span><h3>The Cols class<a class="headerlink" href="#the-cols-class" title="Link to this heading">¶</a></h3>
+<span id="colsclassdescr"></span><h3>The Cols class<a class="headerlink" href="#the-cols-class" title="Permalink to this heading">¶</a></h3>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Cols">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Cols</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">table</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">desc</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Cols</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">table</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">desc</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols" title="Permalink to this definition">¶</a></dt>
 <dd><p>Container for columns in a table or nested column.</p>
 <p>This class is used as an <em>accessor</em> to the columns in a table or nested
 column.  It supports the <em>natural naming</em> convention, so that you can
@@ -1326,7 +1324,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 <p class="rubric">Cols attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Cols._v_colnames">
-<span class="sig-name descname"><span class="pre">_v_colnames</span></span><a class="headerlink" href="#tables.Cols._v_colnames" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_colnames</span></span><a class="headerlink" href="#tables.Cols._v_colnames" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list of the names of the columns hanging directly
 from the associated table or nested column.  The order of
 the names matches the order of their respective columns in
@@ -1335,7 +1333,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Cols._v_colpathnames">
-<span class="sig-name descname"><span class="pre">_v_colpathnames</span></span><a class="headerlink" href="#tables.Cols._v_colpathnames" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_colpathnames</span></span><a class="headerlink" href="#tables.Cols._v_colpathnames" title="Permalink to this definition">¶</a></dt>
 <dd><p>A list of the pathnames of all the columns under the
 associated table or nested column (in preorder).  If it does
 not contain nested columns, this is exactly the same as the
@@ -1344,7 +1342,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Cols._v_desc">
-<span class="sig-name descname"><span class="pre">_v_desc</span></span><a class="headerlink" href="#tables.Cols._v_desc" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">_v_desc</span></span><a class="headerlink" href="#tables.Cols._v_desc" title="Permalink to this definition">¶</a></dt>
 <dd><p>The associated Description instance (see
 <a class="reference internal" href="#descriptionclassdescr"><span class="std std-ref">The Description class</span></a>).</p>
 </dd></dl>
@@ -1352,19 +1350,19 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Link to this hea
 </dd></dl>
 
 <section id="cols-properties">
-<h4>Cols properties<a class="headerlink" href="#cols-properties" title="Link to this heading">¶</a></h4>
+<h4>Cols properties<a class="headerlink" href="#cols-properties" title="Permalink to this heading">¶</a></h4>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Cols._v_table">
-<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">_v_table</span></span><a class="headerlink" href="#tables.Cols._v_table" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">_v_table</span></span><a class="headerlink" href="#tables.Cols._v_table" title="Permalink to this definition">¶</a></dt>
 <dd><p>The parent Table instance (see <a class="reference internal" href="#tableclassdescr"><span class="std std-ref">The Table class</span></a>).</p>
 </dd></dl>
 
 </section>
 <section id="cols-methods">
-<h4>Cols methods<a class="headerlink" href="#cols-methods" title="Link to this heading">¶</a></h4>
+<h4>Cols methods<a class="headerlink" href="#cols-methods" title="Permalink to this heading">¶</a></h4>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Cols._f_col">
-<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">_f_col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">colname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols._f_col"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols._f_col" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">_f_col</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">colname</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols._f_col"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols._f_col" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get an accessor to the column colname.</p>
 <p>This method returns a Column instance (see <a class="reference internal" href="#columnclassdescr"><span class="std std-ref">The Column class</span></a>) if
 the requested column is not nested, and a Cols instance (see
@@ -1378,7 +1376,7 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Cols.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a row or a range of rows from a table or nested column.</p>
 <p>If key argument is an integer, the corresponding nested type row is
 returned as a record of the current flavor. If key is a slice, the
@@ -1400,13 +1398,13 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Link to this h
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Cols.__len__">
-<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols.__len__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols.__len__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the number of top level columns in table.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Cols.__setitem__">
-<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols.__setitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Cols.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Cols.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Cols.__setitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a row or a range of rows in a table or nested column.</p>
 <p>If key argument is an integer, the corresponding row is set to
 value. If key is a slice, the range of rows determined by it is set to
@@ -1429,10 +1427,10 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Link to this h
 </section>
 </section>
 <section id="the-column-class">
-<span id="columnclassdescr"></span><h3>The Column class<a class="headerlink" href="#the-column-class" title="Link to this heading">¶</a></h3>
+<span id="columnclassdescr"></span><h3>The Column class<a class="headerlink" href="#the-column-class" title="Permalink to this heading">¶</a></h3>
 <dl class="py class">
 <dt class="sig sig-object py" id="tables.Column">
-<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Column</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">table</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">descr</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column" title="Link to this definition">¶</a></dt>
+<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">Column</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">table</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">descr</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column" title="Permalink to this definition">¶</a></dt>
 <dd><p>Accessor for a non-nested column in a table.</p>
 <p>Each instance of this class is associated with one <em>non-nested</em> column of a
 table. These instances are mainly used to read and write data from the
@@ -1442,27 +1440,27 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Link to this h
 <p class="rubric">Column attributes</p>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.descr">
-<span class="sig-name descname"><span class="pre">descr</span></span><a class="headerlink" href="#tables.Column.descr" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">descr</span></span><a class="headerlink" href="#tables.Column.descr" title="Permalink to this definition">¶</a></dt>
 <dd><p>The Description (see <a class="reference internal" href="#descriptionclassdescr"><span class="std std-ref">The Description class</span></a>) instance of the
 parent table or nested column.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.name">
-<span class="sig-name descname"><span class="pre">name</span></span><a class="headerlink" href="#tables.Column.name" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">name</span></span><a class="headerlink" href="#tables.Column.name" title="Permalink to this definition">¶</a></dt>
 <dd><p>The name of the associated column.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.pathname">
-<span class="sig-name descname"><span class="pre">pathname</span></span><a class="headerlink" href="#tables.Column.pathname" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">pathname</span></span><a class="headerlink" href="#tables.Column.pathname" title="Permalink to this definition">¶</a></dt>
 <dd><p>The complete pathname of the associated column (the same as
 Column.name if the column is not inside a nested column).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.attrs">
-<span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.Column.attrs" title="Link to this definition">¶</a></dt>
+<span class="sig-name descname"><span class="pre">attrs</span></span><a class="headerlink" href="#tables.Column.attrs" title="Permalink to this definition">¶</a></dt>
 <dd><p>Column attributes (see <a class="reference internal" href="declarative_classes.html#colclassdescr"><span class="std std-ref">The Col class and its descendants</span></a>).</p>
 </dd></dl>
 
@@ -1478,57 +1476,57 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Link to this h
 </dd></dl>
 
 <section id="column-instance-variables">
-<h4>Column instance variables<a class="headerlink" href="#column-instance-variables" title="Link to this heading">¶</a></h4>
+<h4>Column instance variables<a class="headerlink" href="#column-instance-variables" title="Permalink to this heading">¶</a></h4>
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.dtype">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">dtype</span></span><a class="headerlink" href="#tables.Column.dtype" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">dtype</span></span><a class="headerlink" href="#tables.Column.dtype" title="Permalink to this definition">¶</a></dt>
 <dd><p>The NumPy dtype that most closely matches this column.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.index">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">index</span></span><a class="headerlink" href="#tables.Column.index" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">index</span></span><a class="headerlink" href="#tables.Column.index" title="Permalink to this definition">¶</a></dt>
 <dd><p>The Index instance (see <a class="reference internal" href="helper_classes.html#indexclassdescr"><span class="std std-ref">The Index class</span></a>) associated with this
 column (None if the column is not indexed).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.is_indexed">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">is_indexed</span></span><a class="headerlink" href="#tables.Column.is_indexed" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">is_indexed</span></span><a class="headerlink" href="#tables.Column.is_indexed" title="Permalink to this definition">¶</a></dt>
 <dd><p>True if the column is indexed, false otherwise.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.maindim">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">maindim</span></span><a class="headerlink" href="#tables.Column.maindim" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">maindim</span></span><a class="headerlink" href="#tables.Column.maindim" title="Permalink to this definition">¶</a></dt>
 <dd><p>“The dimension along which iterators work. Its value is 0 (i.e. the
 first dimension).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.shape">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Column.shape" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">shape</span></span><a class="headerlink" href="#tables.Column.shape" title="Permalink to this definition">¶</a></dt>
 <dd><p>The shape of this column.</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.table">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">table</span></span><a class="headerlink" href="#tables.Column.table" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">table</span></span><a class="headerlink" href="#tables.Column.table" title="Permalink to this definition">¶</a></dt>
 <dd><p>The parent Table instance (see <a class="reference internal" href="#tableclassdescr"><span class="std std-ref">The Table class</span></a>).</p>
 </dd></dl>
 
 <dl class="py attribute">
 <dt class="sig sig-object py" id="tables.Column.type">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">type</span></span><a class="headerlink" href="#tables.Column.type" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">type</span></span><a class="headerlink" href="#tables.Column.type" title="Permalink to this definition">¶</a></dt>
 <dd><p>The PyTables type of the column (a string).</p>
 </dd></dl>
 
 </section>
 <section id="column-methods">
-<h4>Column methods<a class="headerlink" href="#column-methods" title="Link to this heading">¶</a></h4>
+<h4>Column methods<a class="headerlink" href="#column-methods" title="Permalink to this heading">¶</a></h4>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.create_index">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">create_index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">optlevel</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">6</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">kind</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'medium'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tmp_dir</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_blocksizes</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_testmode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_verbose</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.create_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.create_index" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">create_index</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">optlevel</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">6</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">kind</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'medium'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tmp_dir</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_blocksizes</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_testmode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_verbose</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.create_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.create_index" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create an index for this column.</p>
 <div class="admonition warning">
 <p class="admonition-title">Warning</p>
@@ -1573,7 +1571,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Link to th
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.create_csindex">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">create_csindex</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tmp_dir</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_blocksizes</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_testmode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_verbose</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.create_csindex"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.create_csindex" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">create_csindex</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">tmp_dir</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_blocksizes</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_testmode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">_verbose</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.create_csindex"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.create_csindex" title="Permalink to this definition">¶</a></dt>
 <dd><p>Create a completely sorted index (CSI) for this column.</p>
 <p>This method guarantees the creation of an index with zero entropy, that
 is, a completely sorted index (CSI) – provided that the number of rows
@@ -1590,7 +1588,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Link to th
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.reindex">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">reindex</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.reindex"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.reindex" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">reindex</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.reindex"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.reindex" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recompute the index associated with this column.</p>
 <p>This can be useful when you suspect that, for any reason,
 the index information is no longer valid and you want to rebuild it.</p>
@@ -1599,7 +1597,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Link to th
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.reindex_dirty">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">reindex_dirty</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.reindex_dirty"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.reindex_dirty" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">reindex_dirty</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.reindex_dirty"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.reindex_dirty" title="Permalink to this definition">¶</a></dt>
 <dd><p>Recompute the associated index only if it is dirty.</p>
 <p>This can be useful when you have set <a class="reference internal" href="#tables.Table.autoindex" title="tables.Table.autoindex"><code class="xref py py-attr docutils literal notranslate"><span class="pre">Table.autoindex</span></code></a> to false
 for the table and you want to update the column’s index after an
@@ -1609,7 +1607,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Link to th
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.remove_index">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">remove_index</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.remove_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.remove_index" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">remove_index</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.remove_index"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.remove_index" title="Permalink to this definition">¶</a></dt>
 <dd><p>Remove the index associated with this column.</p>
 <p>This method does nothing if the column is not indexed. The removed
 index can be created again by calling the <a class="reference internal" href="#tables.Column.create_index" title="tables.Column.create_index"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Column.create_index()</span></code></a>
@@ -1618,10 +1616,10 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Link to th
 
 </section>
 <section id="column-special-methods">
-<h4>Column special methods<a class="headerlink" href="#column-special-methods" title="Link to this heading">¶</a></h4>
+<h4>Column special methods<a class="headerlink" href="#column-special-methods" title="Permalink to this heading">¶</a></h4>
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.__getitem__">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.__getitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">__getitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.__getitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.__getitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get a row or a range of rows from a column.</p>
 <p>If key argument is an integer, the corresponding element in the column
 is returned as an object of the current flavor.  If key is a slice, the
@@ -1660,14 +1658,14 @@ <h4>Column special methods<a class="headerlink" href="#column-special-methods" t
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.__len__">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.__len__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">__len__</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.__len__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.__len__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get the number of elements in the column.</p>
 <p>This matches the length in rows of the parent table.</p>
 </dd></dl>
 
 <dl class="py method">
 <dt class="sig sig-object py" id="tables.Column.__setitem__">
-<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.__setitem__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">Column.</span></span><span class="sig-name descname"><span class="pre">__setitem__</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">key</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">value</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/table.html#Column.__setitem__"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.Column.__setitem__" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set a row or a range of rows in a column.</p>
 <p>If key argument is an integer, the corresponding element is set to
 value.  If key is a slice, the range of elements determined by it is
diff --git a/usersguide/libref/top_level.html b/usersguide/libref/top_level.html
index fa984a9..fcc6ccd 100644
--- a/usersguide/libref/top_level.html
+++ b/usersguide/libref/top_level.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Top-level variables and functions &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../../_static/doctools.js?v=888ff710"></script>
-        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
+        <script src="../../_static/jquery.js"></script>
+        <script src="../../_static/underscore.js"></script>
+        <script src="../../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../../_static/doctools.js"></script>
     <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../../index.html">
-            
-              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../../index.html">
+            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,10 +81,10 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="../index.html">PyTables User’s Guide</a></li>
-          <li class="breadcrumb-item"><a href="../libref.html">Library Reference</a></li>
-      <li class="breadcrumb-item active">Top-level variables and functions</li>
+      <li><a href="../../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="../index.html">PyTables User’s Guide</a> &raquo;</li>
+          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
+      <li>Top-level variables and functions</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../../_sources/usersguide/libref/top_level.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -97,12 +95,12 @@
            <div itemprop="articleBody">
              
   <section id="top-level-variables-and-functions">
-<h1>Top-level variables and functions<a class="headerlink" href="#top-level-variables-and-functions" title="Link to this heading">¶</a></h1>
+<h1>Top-level variables and functions<a class="headerlink" href="#top-level-variables-and-functions" title="Permalink to this heading">¶</a></h1>
 <section id="global-variables">
-<h2>Global variables<a class="headerlink" href="#global-variables" title="Link to this heading">¶</a></h2>
+<h2>Global variables<a class="headerlink" href="#global-variables" title="Permalink to this heading">¶</a></h2>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.__version__">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">__version__</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'3.9.0'</span></em><a class="headerlink" href="#tables.__version__" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">__version__</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'3.9.0'</span></em><a class="headerlink" href="#tables.__version__" title="Permalink to this definition">¶</a></dt>
 <dd><p>str(object=’’) -&gt; str
 str(bytes_or_buffer[, encoding[, errors]]) -&gt; str</p>
 <p>Create a new string object from the given object. If encoding or
@@ -116,7 +114,7 @@ <h2>Global variables<a class="headerlink" href="#global-variables" title="Link t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.hdf5_version">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">hdf5_version</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'1.10.7'</span></em><a class="headerlink" href="#tables.hdf5_version" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">hdf5_version</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'1.14.0'</span></em><a class="headerlink" href="#tables.hdf5_version" title="Permalink to this definition">¶</a></dt>
 <dd><p>The underlying HDF5 library version number.</p>
 <div class="versionadded">
 <p><span class="versionmodified added">New in version 3.0.</span></p>
@@ -125,10 +123,10 @@ <h2>Global variables<a class="headerlink" href="#global-variables" title="Link t
 
 </section>
 <section id="global-functions">
-<h2>Global functions<a class="headerlink" href="#global-functions" title="Link to this heading">¶</a></h2>
+<h2>Global functions<a class="headerlink" href="#global-functions" title="Permalink to this heading">¶</a></h2>
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.copy_file">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">copy_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">srcfilename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dstfilename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#copy_file"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.copy_file" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">copy_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">srcfilename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dstfilename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">overwrite</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#copy_file"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.copy_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>An easy way of copying one PyTables file to another.</p>
 <p>This function allows you to copy an existing PyTables file named
 srcfilename to another file called dstfilename. The source file
@@ -144,7 +142,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.is_hdf5_file">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">is_hdf5_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.is_hdf5_file" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">is_hdf5_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.is_hdf5_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>Determine whether a file is in the HDF5 format.</p>
 <p>When successful, it returns a true value if the file is an HDF5
 file, false otherwise.  If there were problems identifying the file,
@@ -153,7 +151,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.is_pytables_file">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">is_pytables_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.is_pytables_file" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">is_pytables_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.is_pytables_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>Determine whether a file is in the PyTables format.</p>
 <p>When successful, it returns the format version string if the file is a
 PyTables file, None otherwise.  If there were problems identifying the
@@ -162,7 +160,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.open_file">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">open_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'r'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">root_uep</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#open_file"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.open_file" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">open_file</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">mode</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'r'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">title</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">root_uep</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'/'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">filters</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/file.html#open_file"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.open_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>Open a PyTables (or generic HDF5) file and return a File object.</p>
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
@@ -223,7 +221,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.set_blosc_max_threads">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">set_blosc_max_threads</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nthreads</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.set_blosc_max_threads" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">set_blosc_max_threads</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nthreads</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.set_blosc_max_threads" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set the maximum number of threads that Blosc can use.</p>
 <p>This actually overrides the <a class="reference internal" href="../parameter_files.html#tables.parameters.MAX_BLOSC_THREADS" title="tables.parameters.MAX_BLOSC_THREADS"><code class="xref py py-data docutils literal notranslate"><span class="pre">tables.parameters.MAX_BLOSC_THREADS</span></code></a>
 setting in <code class="xref py py-mod docutils literal notranslate"><span class="pre">tables.parameters</span></code>, so the new value will be effective until
@@ -234,7 +232,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.set_blosc2_max_threads">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">set_blosc2_max_threads</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nthreads</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.set_blosc2_max_threads" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">set_blosc2_max_threads</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">nthreads</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.set_blosc2_max_threads" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set the maximum number of threads that Blosc2 can use.</p>
 <p>This actually overrides the <a class="reference internal" href="../parameter_files.html#tables.parameters.MAX_BLOSC_THREADS" title="tables.parameters.MAX_BLOSC_THREADS"><code class="xref py py-data docutils literal notranslate"><span class="pre">tables.parameters.MAX_BLOSC_THREADS</span></code></a>
 setting in <code class="xref py py-mod docutils literal notranslate"><span class="pre">tables.parameters</span></code>, so the new value will be effective until
@@ -245,13 +243,13 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.print_versions">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">print_versions</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/tests/common.html#print_versions"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.print_versions" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">print_versions</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/tests/common.html#print_versions"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.print_versions" title="Permalink to this definition">¶</a></dt>
 <dd><p>Print all the versions of software that PyTables relies on.</p>
 </dd></dl>
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.restrict_flavors">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">restrict_flavors</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">keep</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">('python',)</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/flavor.html#restrict_flavors"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.restrict_flavors" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">restrict_flavors</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">keep</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">('python',)</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/flavor.html#restrict_flavors"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.restrict_flavors" title="Permalink to this definition">¶</a></dt>
 <dd><p>Disable all flavors except those in keep.</p>
 <p>Providing an empty keep sequence implies disabling all flavors (but the
 internal one).  If the sequence is not specified, only optional flavors are
@@ -264,7 +262,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.split_type">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">split_type</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">type</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#split_type"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.split_type" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">split_type</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">type</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/atom.html#split_type"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.split_type" title="Permalink to this definition">¶</a></dt>
 <dd><p>Split a PyTables type into a PyTables kind and an item size.</p>
 <p>Returns a tuple of (kind, itemsize). If no item size is present in the type
 (in the form of a precision), the returned item size is None:</p>
@@ -286,7 +284,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.test">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">test</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">verbose</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">heavy</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/tests/test_suite.html#test"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.test" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">test</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">verbose</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">heavy</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">False</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/tables/tests/test_suite.html#test"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#tables.test" title="Permalink to this definition">¶</a></dt>
 <dd><p>Run all the tests in the test suite.</p>
 <p>If <em>verbose</em> is set, the test suite will emit messages with full
 verbosity (not recommended unless you are looking into a certain
@@ -299,7 +297,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.which_lib_version">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">which_lib_version</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.which_lib_version" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">which_lib_version</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.which_lib_version" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get version information about a C library.</p>
 <p>If the library indicated by name is available, this function returns a
 3-tuple containing the major library version as an integer, its full version
@@ -311,7 +309,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Link t
 
 <dl class="py function">
 <dt class="sig sig-object py" id="tables.silence_hdf5_messages">
-<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">silence_hdf5_messages</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">silence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.silence_hdf5_messages" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.</span></span><span class="sig-name descname"><span class="pre">silence_hdf5_messages</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">silence</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">True</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#tables.silence_hdf5_messages" title="Permalink to this definition">¶</a></dt>
 <dd><p>Silence (or re-enable) messages from the HDF5 C library.</p>
 <p>The <em>silence</em> parameter can be used control the behaviour and reset
 the standard HDF5 logging.</p>
diff --git a/usersguide/optimization.html b/usersguide/optimization.html
index 9d19680..82081e8 100644
--- a/usersguide/optimization.html
+++ b/usersguide/optimization.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Optimization tips &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Optimization tips</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Optimization tips</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/optimization.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="optimization-tips">
-<h1>Optimization tips<a class="headerlink" href="#optimization-tips" title="Link to this heading">¶</a></h1>
+<h1>Optimization tips<a class="headerlink" href="#optimization-tips" title="Permalink to this heading">¶</a></h1>
 <blockquote class="epigraph">
 <div><p>… durch planmässiges Tattonieren.</p>
 <p>[… through systematic, palpable experimentation.]</p>
@@ -112,7 +110,7 @@ <h1>Optimization tips<a class="headerlink" href="#optimization-tips" title="Link
 those sizes (although you may want to adjust them further anyway).  At any
 rate, reading this chapter will help you in your life with PyTables.</p>
 <section id="understanding-chunking">
-<h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" title="Link to this heading">¶</a></h2>
+<h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" title="Permalink to this heading">¶</a></h2>
 <p>The underlying HDF5 library that is used by PyTables allows for certain
 datasets (the so-called <em>chunked</em> datasets) to take the data in bunches of a
 certain length, named <em>chunks</em>, and write them on disk as a whole, i.e. the
@@ -135,7 +133,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 implications and let you quickly start with the fine-tuning of this important
 parameter.</p>
 <section id="informing-pytables-about-expected-number-of-rows-in-tables-or-arrays">
-<span id="expectedrowsoptim"></span><h3>Informing PyTables about expected number of rows in tables or arrays<a class="headerlink" href="#informing-pytables-about-expected-number-of-rows-in-tables-or-arrays" title="Link to this heading">¶</a></h3>
+<span id="expectedrowsoptim"></span><h3>Informing PyTables about expected number of rows in tables or arrays<a class="headerlink" href="#informing-pytables-about-expected-number-of-rows-in-tables-or-arrays" title="Permalink to this heading">¶</a></h3>
 <p>PyTables can determine a sensible chunk size to your dataset size if you
 help it by providing an estimation of the final number of rows for an
 extensible leaf <a class="footnote-reference brackets" href="#id4" id="id1" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a>.  You should provide this information at leaf creation
@@ -150,7 +148,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 amounts of memory. You have been warned!</p>
 </section>
 <section id="fine-tuning-the-chunksize">
-<span id="chunksizefinetune"></span><h3>Fine-tuning the chunksize<a class="headerlink" href="#fine-tuning-the-chunksize" title="Link to this heading">¶</a></h3>
+<span id="chunksizefinetune"></span><h3>Fine-tuning the chunksize<a class="headerlink" href="#fine-tuning-the-chunksize" title="Permalink to this heading">¶</a></h3>
 <div class="admonition warning">
 <p class="admonition-title">Warning</p>
 <p>This section is mostly meant for experts.  If you are a beginner, you
@@ -197,27 +195,27 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <span id="createtime-chunksize"></span><img alt="../_images/create-chunksize-15GB.png" src="../_images/create-chunksize-15GB.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 1. Creation time per element for a 15 GB EArray and different
-chunksizes.</strong></span><a class="headerlink" href="#id7" title="Link to this image">¶</a></p>
+chunksizes.</strong></span><a class="headerlink" href="#id7" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id8">
 <span id="filesizes-chunksize"></span><img alt="../_images/filesizes-chunksize-15GB.png" src="../_images/filesizes-chunksize-15GB.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 2. File sizes for a 15 GB EArray and different chunksizes.</strong></span><a class="headerlink" href="#id8" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 2. File sizes for a 15 GB EArray and different chunksizes.</strong></span><a class="headerlink" href="#id8" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id9">
 <span id="seqtime-chunksize"></span><img alt="../_images/seq-chunksize-15GB.png" src="../_images/seq-chunksize-15GB.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 3. Sequential access time per element for a 15 GB EArray and
-different chunksizes.</strong></span><a class="headerlink" href="#id9" title="Link to this image">¶</a></p>
+different chunksizes.</strong></span><a class="headerlink" href="#id9" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id10">
 <span id="randomtime-chunksize"></span><img alt="../_images/random-chunksize-15GB.png" src="../_images/random-chunksize-15GB.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 4. Random access time per element for a 15 GB EArray and
-different chunksizes.</strong></span><a class="headerlink" href="#id10" title="Link to this image">¶</a></p>
+different chunksizes.</strong></span><a class="headerlink" href="#id10" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Finally, it is worth noting that adjusting the chunksize can be specially
@@ -228,7 +226,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 application into production is your best ally.</p>
 </section>
 <section id="multidimensional-slicing-and-chunk-block-sizes">
-<span id="multidimslicing"></span><h3>Multidimensional slicing and chunk/block sizes<a class="headerlink" href="#multidimensional-slicing-and-chunk-block-sizes" title="Link to this heading">¶</a></h3>
+<span id="multidimslicing"></span><h3>Multidimensional slicing and chunk/block sizes<a class="headerlink" href="#multidimensional-slicing-and-chunk-block-sizes" title="Permalink to this heading">¶</a></h3>
 <p>When working with multidimensional arrays, you may find yourself accessing
 array slices smaller than chunks.  In that case, reducing the chunksize to
 match your slices may result in too many chunks and large B-trees in memory,
@@ -266,7 +264,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <figcaption>
 <p><span class="caption-text"><strong>Throughput for slicing a Blosc2-compressed array along its 4 dimensions
 with PyTables filter, PyTables b2nd (optimized) and h5py, all using a
-small chunk.</strong></span><a class="headerlink" href="#id11" title="Link to this image">¶</a></p>
+small chunk.</strong></span><a class="headerlink" href="#id11" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>The optimized b2nd slicing of PyTables already provided some sizable speedups
@@ -280,7 +278,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <figcaption>
 <p><span class="caption-text"><strong>Throughput for slicing a Blosc2-compressed array along its 4 dimensions
 with PyTables filter, PyTables b2nd (optimized) and h5py, all using a big
-chunk.</strong></span><a class="headerlink" href="#id12" title="Link to this image">¶</a></p>
+chunk.</strong></span><a class="headerlink" href="#id12" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Choosing a better chunkshape not just provided up to 5x speedup for the
@@ -294,7 +292,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 </section>
 </section>
 <section id="accelerating-your-searches">
-<span id="searchoptim"></span><h2>Accelerating your searches<a class="headerlink" href="#accelerating-your-searches" title="Link to this heading">¶</a></h2>
+<span id="searchoptim"></span><h2>Accelerating your searches<a class="headerlink" href="#accelerating-your-searches" title="Permalink to this heading">¶</a></h2>
 <div class="admonition note">
 <p class="admonition-title">Note</p>
 <p>Many of the explanations and plots in this section and the forthcoming
@@ -346,14 +344,14 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 So, if you want to see how to greatly improve the time taken to run queries
 like this, keep reading.</p>
 <section id="in-kernel-searches">
-<span id="inkernelsearch"></span><h3>In-kernel searches<a class="headerlink" href="#in-kernel-searches" title="Link to this heading">¶</a></h3>
+<span id="inkernelsearch"></span><h3>In-kernel searches<a class="headerlink" href="#in-kernel-searches" title="Permalink to this heading">¶</a></h3>
 <p>PyTables provides a way to accelerate data selections inside of a single
 table, through the use of the <a class="reference internal" href="libref/structured_storage.html#tablemethods-querying"><span class="std std-ref">Table methods - querying</span></a> iterator and
 related query methods. This mode of selecting data is called <em>in-kernel</em>.
 Let’s see an example of an <em>in-kernel</em> query based on the <em>regular</em> one
 mentioned above:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">result</span> <span class="o">=</span> <span class="p">[</span><span class="n">row</span><span class="p">[</span><span class="s1">&#39;col2&#39;</span><span class="p">]</span> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">table</span><span class="o">.</span><span class="n">where</span><span class="p">(</span>
-<span class="w">            </span><span class="sd">&#39;&#39;&#39;(((col4 &gt;= lim1) &amp; (col4 &lt; lim2)) |</span>
+            <span class="sd">&#39;&#39;&#39;(((col4 &gt;= lim1) &amp; (col4 &lt; lim2)) |</span>
 <span class="sd">               ((col2 &gt; lim3) &amp; (col2 &lt; lim4)) &amp;</span>
 <span class="sd">               ((col1+3.1*col2+col3*col4) &gt; lim5))&#39;&#39;&#39;</span><span class="p">)]</span>
 </pre></div>
@@ -366,7 +364,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <span id="sequentialtimes-10m"></span><img alt="../_images/Q7-10m-noidx.png" src="../_images/Q7-10m-noidx.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 5. Times for non-indexed complex queries in a small table with
-10 millions of rows: the data fits in memory.</strong></span><a class="headerlink" href="#id13" title="Link to this image">¶</a></p>
+10 millions of rows: the data fits in memory.</strong></span><a class="headerlink" href="#id13" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>By looking at <a class="reference internal" href="#sequentialtimes-10m"><span class="std std-ref">Figure 5</span></a> you can see how in the
@@ -415,7 +413,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <span id="sequentialtimes-1g"></span><img alt="../_images/Q8-1g-noidx.png" src="../_images/Q8-1g-noidx.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 6. Times for non-indexed complex queries in a large table with 1
-billion of rows: the data does not fit in memory.</strong></span><a class="headerlink" href="#id14" title="Link to this image">¶</a></p>
+billion of rows: the data does not fit in memory.</strong></span><a class="headerlink" href="#id14" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Furthermore, you can mix the <em>in-kernel</em> and <em>regular</em> selection modes for
@@ -448,7 +446,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <span id="inkernelperformance-zlib-blosc-blosc2"></span><img alt="../_images/inkernel-zlib-blosc-blosc2.png" src="../_images/inkernel-zlib-blosc-blosc2.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Times for 6 complex queries in a large table with 100 million rows.
-Data comes from an actual set of meteorological measurements.</strong></span><a class="headerlink" href="#id15" title="Link to this image">¶</a></p>
+Data comes from an actual set of meteorological measurements.</strong></span><a class="headerlink" href="#id15" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>As you can see, Blosc, but specially Blosc2, can get much better performance
@@ -476,7 +474,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <span id="compressionratio-zlib-blosc-blosc2"></span><img alt="../_images/cratio-zlib-blosc-blosc2.png" src="../_images/cratio-zlib-blosc-blosc2.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Compression ratio for different codecs and the 100 million rows table.
-Data comes from an actual set of meteorological measurements.</strong></span><a class="headerlink" href="#id16" title="Link to this image">¶</a></p>
+Data comes from an actual set of meteorological measurements.</strong></span><a class="headerlink" href="#id16" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Furthermore, and despite that the dataset is 3.1 GB in size, the memory
@@ -495,7 +493,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <span id="inkernelperformance-vs-pandas"></span><img alt="../_images/inkernel-vs-pandas.png" src="../_images/inkernel-vs-pandas.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Performance for 6 complex queries in a large table with 100 million rows.
-Both PyTables and pandas use the numexpr engine behind the scenes.</strong></span><a class="headerlink" href="#id17" title="Link to this image">¶</a></p>
+Both PyTables and pandas use the numexpr engine behind the scenes.</strong></span><a class="headerlink" href="#id17" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>You can see more info about Blosc2 and how it collaborates with HDF5 for
@@ -503,7 +501,7 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 <a class="reference external" href="https://www.blosc.org/posts/blosc2-pytables-perf/">https://www.blosc.org/posts/blosc2-pytables-perf/</a></p>
 </section>
 <section id="indexed-searches">
-<h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Link to this heading">¶</a></h3>
+<h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Permalink to this heading">¶</a></h3>
 <p>When you need more speed than <em>in-kernel</em> selections can offer you, PyTables
 offers a third selection method, the so-called <em>indexed</em> mode (based on the
 highly efficient OPSI indexing engine ).  In this mode, you have to decide
@@ -574,13 +572,13 @@ <h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Link t
 <figure class="align-center" id="id18">
 <span id="createindextimes"></span><img alt="../_images/create-index-time-int32-float64.png" src="../_images/create-index-time-int32-float64.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 7. Times for indexing an Int32 and Float64 column.</strong></span><a class="headerlink" href="#id18" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 7. Times for indexing an Int32 and Float64 column.</strong></span><a class="headerlink" href="#id18" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id19">
 <span id="indexsizes"></span><img alt="../_images/indexes-sizes2.png" src="../_images/indexes-sizes2.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 8. Sizes for an index of a Float64 column with 1 billion of rows.</strong></span><a class="headerlink" href="#id19" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 8. Sizes for an index of a Float64 column with 1 billion of rows.</strong></span><a class="headerlink" href="#id19" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>The user can select the index quality by passing the desired optlevel and
@@ -594,7 +592,7 @@ <h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Link t
 <span id="querytimes-indexed-optlevels"></span><img alt="../_images/Q8-1g-idx-optlevels.png" src="../_images/Q8-1g-idx-optlevels.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 9. Times for complex queries with a cold cache (mean of 5 first
-random queries) for different optimization levels. Benchmark made on a machine with Intel Core2 (64-bit) &#64; 3 GHz processor with RAID-0 disk storage.</strong></span><a class="headerlink" href="#id20" title="Link to this image">¶</a></p>
+random queries) for different optimization levels. Benchmark made on a machine with Intel Core2 (64-bit) &#64; 3 GHz processor with RAID-0 disk storage.</strong></span><a class="headerlink" href="#id20" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Of course, compression also has an effect when doing indexed queries,
@@ -607,14 +605,14 @@ <h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Link t
 <span id="querytimes-indexed-compress"></span><img alt="../_images/Q8-1g-idx-compress.png" src="../_images/Q8-1g-idx-compress.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 10. Times for complex queries with a cold cache (mean of 5 first
-random queries) for different compressors.</strong></span><a class="headerlink" href="#id21" title="Link to this image">¶</a></p>
+random queries) for different compressors.</strong></span><a class="headerlink" href="#id21" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>You can find a more complete description and benchmarks about OPSI, the
 indexing system of PyTables (&gt;= 2.3) in <a class="reference internal" href="bibliography.html#opsi"><span class="std std-ref">[OPSI]</span></a>.</p>
 </section>
 <section id="indexing-and-solid-state-disks-ssd">
-<h3>Indexing and Solid State Disks (SSD)<a class="headerlink" href="#indexing-and-solid-state-disks-ssd" title="Link to this heading">¶</a></h3>
+<h3>Indexing and Solid State Disks (SSD)<a class="headerlink" href="#indexing-and-solid-state-disks-ssd" title="Permalink to this heading">¶</a></h3>
 <p>Lately, the long promised Solid State Disks (SSD for brevity) with decent
 capacities and affordable prices have finally hit the market and will
 probably stay in coexistence with the traditional spinning disks for the
@@ -642,7 +640,7 @@ <h3>Indexing and Solid State Disks (SSD)<a class="headerlink" href="#indexing-an
 <span id="querytimes-indexed-ssd"></span><img alt="../_images/Q8-1g-idx-SSD.png" src="../_images/Q8-1g-idx-SSD.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 11. Times for complex queries with a cold cache (mean of 5 first
-random queries) for different disk storage (SSD vs spinning disks).</strong></span><a class="headerlink" href="#id22" title="Link to this image">¶</a></p>
+random queries) for different disk storage (SSD vs spinning disks).</strong></span><a class="headerlink" href="#id22" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Finally, we should remark that SSD can’t compete with traditional spinning
@@ -662,7 +660,7 @@ <h3>Indexing and Solid State Disks (SSD)<a class="headerlink" href="#indexing-an
 selectivity queries) and 10x (for high selectivity queries).</p>
 </section>
 <section id="achieving-ultimate-speed-sorted-tables-and-beyond">
-<h3>Achieving ultimate speed: sorted tables and beyond<a class="headerlink" href="#achieving-ultimate-speed-sorted-tables-and-beyond" title="Link to this heading">¶</a></h3>
+<h3>Achieving ultimate speed: sorted tables and beyond<a class="headerlink" href="#achieving-ultimate-speed-sorted-tables-and-beyond" title="Permalink to this heading">¶</a></h3>
 <div class="admonition warning">
 <p class="admonition-title">Warning</p>
 <p>Sorting a large table is a costly operation.  The next procedure should
@@ -678,7 +676,7 @@ <h3>Achieving ultimate speed: sorted tables and beyond<a class="headerlink" href
 to confirm this guess.</p>
 <p>For the case of the query that we have been using in the previous sections:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">result</span> <span class="o">=</span> <span class="p">[</span><span class="n">row</span><span class="p">[</span><span class="s1">&#39;col2&#39;</span><span class="p">]</span> <span class="k">for</span> <span class="n">row</span> <span class="ow">in</span> <span class="n">table</span><span class="o">.</span><span class="n">where</span><span class="p">(</span>
-<span class="w">            </span><span class="sd">&#39;&#39;&#39;(((col4 &gt;= lim1) &amp; (col4 &lt; lim2)) |</span>
+            <span class="sd">&#39;&#39;&#39;(((col4 &gt;= lim1) &amp; (col4 &lt; lim2)) |</span>
 <span class="sd">               ((col2 &gt; lim3) &amp; (col2 &lt; lim4)) &amp;</span>
 <span class="sd">               ((col1+3.1*col2+col3*col4) &gt; lim5))&#39;&#39;&#39;</span><span class="p">)]</span>
 </pre></div>
@@ -701,7 +699,7 @@ <h3>Achieving ultimate speed: sorted tables and beyond<a class="headerlink" href
 <span id="querytimes-indexed-sorted"></span><img alt="../_images/Q8-1g-idx-sorted.png" src="../_images/Q8-1g-idx-sorted.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 12. Times for complex queries with a cold cache (mean of 5 first
-random queries) for unsorted and sorted tables.</strong></span><a class="headerlink" href="#id23" title="Link to this image">¶</a></p>
+random queries) for unsorted and sorted tables.</strong></span><a class="headerlink" href="#id23" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Even though we have shown many ways to improve query times that should
@@ -717,7 +715,7 @@ <h3>Achieving ultimate speed: sorted tables and beyond<a class="headerlink" href
 </section>
 </section>
 <section id="compression-issues">
-<span id="compressionissues"></span><h2>Compression issues<a class="headerlink" href="#compression-issues" title="Link to this heading">¶</a></h2>
+<span id="compressionissues"></span><h2>Compression issues<a class="headerlink" href="#compression-issues" title="Permalink to this heading">¶</a></h2>
 <p>One of the beauties of PyTables is that it supports compression on tables and
 arrays <a class="footnote-reference brackets" href="#id5" id="id2" role="doc-noteref"><span class="fn-bracket">[</span>2<span class="fn-bracket">]</span></a>, although it is not used by default. Compression of big amounts
 of data might be a bit controversial feature, because it has a legend of
@@ -726,7 +724,7 @@ <h3>Achieving ultimate speed: sorted tables and beyond<a class="headerlink" href
 but <em>also</em> by improving I/O efficiency, specially when dealing with very
 large datasets, keep reading.</p>
 <section id="a-study-on-supported-compression-libraries">
-<h3>A study on supported compression libraries<a class="headerlink" href="#a-study-on-supported-compression-libraries" title="Link to this heading">¶</a></h3>
+<h3>A study on supported compression libraries<a class="headerlink" href="#a-study-on-supported-compression-libraries" title="Permalink to this heading">¶</a></h3>
 <p>The compression library used by default is the <em>Zlib</em> (see
 <a class="reference internal" href="bibliography.html#zlib"><span class="std std-ref">[ZLIB]</span></a>). Since HDF5 <em>requires</em> it, you can safely use it and
 expect that your HDF5 files will be readable on any other platform that has
@@ -780,7 +778,7 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 <figure class="align-center" id="id24">
 <span id="comprtblcomparison"></span><img alt="../_images/compressed-recordsize.png" src="../_images/compressed-recordsize.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 13. Comparison between different compression libraries.</strong></span><a class="headerlink" href="#id24" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 13. Comparison between different compression libraries.</strong></span><a class="headerlink" href="#id24" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Also, PyTables lets you select different compression levels for Zlib and
@@ -794,7 +792,7 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 <figure class="align-center" id="id25">
 <span id="comprzlibcomparison"></span><img alt="../_images/compressed-recordsize-zlib.png" src="../_images/compressed-recordsize-zlib.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 14. Comparison between different compression levels of Zlib.</strong></span><a class="headerlink" href="#id25" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 14. Comparison between different compression levels of Zlib.</strong></span><a class="headerlink" href="#id25" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Have also a look at <a class="reference internal" href="#comprwritecomparison"><span class="std std-ref">Figure 15</span></a>. It shows how the
@@ -804,7 +802,7 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 <figure class="align-center" id="id26">
 <span id="comprwritecomparison"></span><img alt="../_images/compressed-writing.png" src="../_images/compressed-writing.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 15. Writing tables with several compressors.</strong></span><a class="headerlink" href="#id26" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 15. Writing tables with several compressors.</strong></span><a class="headerlink" href="#id26" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>In <a class="reference internal" href="#comprreadnocachecomparison"><span class="std std-ref">Figure 16</span></a> you can see how compression
@@ -836,14 +834,14 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 <span id="comprreadnocachecomparison"></span><img alt="../_images/compressed-select-nocache.png" src="../_images/compressed-select-nocache.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 16. Selecting values in tables with several compressors.
-The file is not in the OS cache.</strong></span><a class="headerlink" href="#id27" title="Link to this image">¶</a></p>
+The file is not in the OS cache.</strong></span><a class="headerlink" href="#id27" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id28">
 <span id="comprreadcachecomparison"></span><img alt="../_images/compressed-select-cache.png" src="../_images/compressed-select-cache.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 17. Selecting values in tables with several compressors.
-The file is in the OS cache.</strong></span><a class="headerlink" href="#id28" title="Link to this image">¶</a></p>
+The file is in the OS cache.</strong></span><a class="headerlink" href="#id28" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>So, generally speaking and looking at the experiments above, you can expect
@@ -885,19 +883,19 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 <figure class="align-center" id="id29">
 <span id="comprwritezlibcomparison"></span><img alt="../_images/compressed-writing-zlib.png" src="../_images/compressed-writing-zlib.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 18. Writing in tables with different levels of compression.</strong></span><a class="headerlink" href="#id29" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 18. Writing in tables with different levels of compression.</strong></span><a class="headerlink" href="#id29" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id30">
 <span id="comprreadzlibcomparison"></span><img alt="../_images/compressed-select-cache-zlib.png" src="../_images/compressed-select-cache-zlib.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 19. Selecting values in tables with different levels of
-compression. The file is in the OS cache.</strong></span><a class="headerlink" href="#id30" title="Link to this image">¶</a></p>
+compression. The file is in the OS cache.</strong></span><a class="headerlink" href="#id30" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 </section>
 <section id="shuffling-or-how-to-make-the-compression-process-more-effective">
-<span id="shufflingoptim"></span><h3>Shuffling (or how to make the compression process more effective)<a class="headerlink" href="#shuffling-or-how-to-make-the-compression-process-more-effective" title="Link to this heading">¶</a></h3>
+<span id="shufflingoptim"></span><h3>Shuffling (or how to make the compression process more effective)<a class="headerlink" href="#shuffling-or-how-to-make-the-compression-process-more-effective" title="Permalink to this heading">¶</a></h3>
 <p>The HDF5 library provides an interesting filter that can leverage the results
 of your favorite compressor. Its name is <em>shuffle</em>, and because it can
 greatly benefit compression and it does not take many CPU resources (see
@@ -940,7 +938,7 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 <span id="comprshufflecomparison"></span><img alt="../_images/compressed-recordsize-shuffle.png" src="../_images/compressed-recordsize-shuffle.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 20. Comparison between different compression libraries with and
-without the shuffle filter.</strong></span><a class="headerlink" href="#id31" title="Link to this image">¶</a></p>
+without the shuffle filter.</strong></span><a class="headerlink" href="#id31" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>At any rate, the most remarkable fact about the <em>shuffle</em> filter is the
@@ -967,21 +965,21 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 <span id="comprwriteshufflecomparison"></span><img alt="../_images/compressed-writing-shuffle.png" src="../_images/compressed-writing-shuffle.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 21. Writing with different compression libraries with and
-without the shuffle filter.</strong></span><a class="headerlink" href="#id32" title="Link to this image">¶</a></p>
+without the shuffle filter.</strong></span><a class="headerlink" href="#id32" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id33">
 <span id="comprreadnocacheshufflecomparison"></span><img alt="../_images/compressed-select-nocache-shuffle-only.png" src="../_images/compressed-select-nocache-shuffle-only.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 22. Reading with different compression libraries with the
-shuffle filter. The file is not in OS cache.</strong></span><a class="headerlink" href="#id33" title="Link to this image">¶</a></p>
+shuffle filter. The file is not in OS cache.</strong></span><a class="headerlink" href="#id33" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id34">
 <span id="comprreadcacheshufflecomparison"></span><img alt="../_images/compressed-select-cache-shuffle.png" src="../_images/compressed-select-cache-shuffle.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 23. Reading with different compression libraries with and
-without the shuffle filter. The file is in OS cache.</strong></span><a class="headerlink" href="#id34" title="Link to this image">¶</a></p>
+without the shuffle filter. The file is in OS cache.</strong></span><a class="headerlink" href="#id34" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>You may wonder why introducing another filter in the write/read pipelines
@@ -999,7 +997,7 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 </section>
 </section>
 <section id="getting-the-most-from-the-node-lru-cache">
-<span id="lruoptim"></span><h2>Getting the most from the node LRU cache<a class="headerlink" href="#getting-the-most-from-the-node-lru-cache" title="Link to this heading">¶</a></h2>
+<span id="lruoptim"></span><h2>Getting the most from the node LRU cache<a class="headerlink" href="#getting-the-most-from-the-node-lru-cache" title="Permalink to this heading">¶</a></h2>
 <p>One limitation of the initial versions of PyTables was that they needed to
 load all nodes in a file completely before being ready to deal with them,
 making the opening times for files with a lot of nodes very high and
@@ -1046,7 +1044,7 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 specifically 256 and 1024. You can see the results in
 <a class="reference internal" href="#optimization-table-1"><span class="std std-ref">table</span></a>.</p>
 <span id="optimization-table-1"></span><table class="docutils align-default" id="id35">
-<caption><span class="caption-text"><strong>Retrieval speed and memory consumption depending on the number of nodes in LRU cache.</strong></span><a class="headerlink" href="#id35" title="Link to this table">¶</a></caption>
+<caption><span class="caption-text"><strong>Retrieval speed and memory consumption depending on the number of nodes in LRU cache.</strong></span><a class="headerlink" href="#id35" title="Permalink to this table">¶</a></caption>
 <thead>
 <tr class="row-odd"><th class="head" colspan="2"><p>Number:</p></th>
 <th class="head" colspan="4"><p>100 nodes</p></th>
@@ -1134,7 +1132,7 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 </div>
 </section>
 <section id="compacting-your-pytables-files">
-<h2>Compacting your PyTables files<a class="headerlink" href="#compacting-your-pytables-files" title="Link to this heading">¶</a></h2>
+<h2>Compacting your PyTables files<a class="headerlink" href="#compacting-your-pytables-files" title="Permalink to this heading">¶</a></h2>
 <p>Let’s suppose that you have a file where you have made a lot of row deletions
 on one or more tables, or deleted many leaves or even entire subtrees. These
 operations might leave <em>holes</em> (i.e. space that is not used anymore) in your
diff --git a/usersguide/parameter_files.html b/usersguide/parameter_files.html
index 5783b67..78c3f4d 100644
--- a/usersguide/parameter_files.html
+++ b/usersguide/parameter_files.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables parameter files &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">PyTables parameter files</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>PyTables parameter files</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/parameter_files.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="pytables-parameter-files">
-<span id="parameter-files"></span><h1>PyTables parameter files<a class="headerlink" href="#pytables-parameter-files" title="Link to this heading">¶</a></h1>
+<span id="parameter-files"></span><h1>PyTables parameter files<a class="headerlink" href="#pytables-parameter-files" title="Permalink to this heading">¶</a></h1>
 <p>PyTables issues warnings when certain limits are exceeded.  Those limits are
 not intrinsic limitations of the underlying software, but rather are
 proactive measures to avoid large resource consumptions.  The default limits
@@ -127,12 +125,12 @@
 <p>Please be careful when touching these!</p>
 </div>
 <section id="tunable-parameters-in-parameters-py">
-<h2>Tunable parameters in parameters.py<a class="headerlink" href="#tunable-parameters-in-parameters-py" title="Link to this heading">¶</a></h2>
+<h2>Tunable parameters in parameters.py<a class="headerlink" href="#tunable-parameters-in-parameters-py" title="Permalink to this heading">¶</a></h2>
 <section id="recommended-maximum-values">
-<h3>Recommended maximum values<a class="headerlink" href="#recommended-maximum-values" title="Link to this heading">¶</a></h3>
+<h3>Recommended maximum values<a class="headerlink" href="#recommended-maximum-values" title="Permalink to this heading">¶</a></h3>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.MAX_COLUMNS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_COLUMNS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">512</span></em><a class="headerlink" href="#tables.parameters.MAX_COLUMNS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_COLUMNS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">512</span></em><a class="headerlink" href="#tables.parameters.MAX_COLUMNS" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maximum number of columns in <a class="reference internal" href="libref/structured_storage.html#tables.Table" title="tables.Table"><code class="xref py py-class docutils literal notranslate"><span class="pre">tables.Table</span></code></a> objects before a
 <a class="reference internal" href="libref/helper_classes.html#tables.PerformanceWarning" title="tables.PerformanceWarning"><code class="xref py py-exc docutils literal notranslate"><span class="pre">tables.PerformanceWarning</span></code></a> is issued.  This limit is somewhat
 arbitrary and can be increased.</p>
@@ -140,40 +138,40 @@ <h3>Recommended maximum values<a class="headerlink" href="#recommended-maximum-v
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.MAX_NODE_ATTRS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_NODE_ATTRS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">4096</span></em><a class="headerlink" href="#tables.parameters.MAX_NODE_ATTRS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_NODE_ATTRS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">4096</span></em><a class="headerlink" href="#tables.parameters.MAX_NODE_ATTRS" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maximum allowed number of attributes in a node.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.MAX_GROUP_WIDTH">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_GROUP_WIDTH</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">16384</span></em><a class="headerlink" href="#tables.parameters.MAX_GROUP_WIDTH" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_GROUP_WIDTH</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">16384</span></em><a class="headerlink" href="#tables.parameters.MAX_GROUP_WIDTH" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maximum allowed number of children hanging from a group.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.MAX_TREE_DEPTH">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_TREE_DEPTH</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">2048</span></em><a class="headerlink" href="#tables.parameters.MAX_TREE_DEPTH" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_TREE_DEPTH</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">2048</span></em><a class="headerlink" href="#tables.parameters.MAX_TREE_DEPTH" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maximum depth in object tree allowed.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.MAX_UNDO_PATH_LENGTH">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_UNDO_PATH_LENGTH</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">10240</span></em><a class="headerlink" href="#tables.parameters.MAX_UNDO_PATH_LENGTH" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_UNDO_PATH_LENGTH</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">10240</span></em><a class="headerlink" href="#tables.parameters.MAX_UNDO_PATH_LENGTH" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maximum length of paths allowed in undo/redo operations.</p>
 </dd></dl>
 
 </section>
 <section id="cache-limits">
-<h3>Cache limits<a class="headerlink" href="#cache-limits" title="Link to this heading">¶</a></h3>
+<h3>Cache limits<a class="headerlink" href="#cache-limits" title="Permalink to this heading">¶</a></h3>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.CHUNK_CACHE_NELMTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">CHUNK_CACHE_NELMTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">521</span></em><a class="headerlink" href="#tables.parameters.CHUNK_CACHE_NELMTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">CHUNK_CACHE_NELMTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">521</span></em><a class="headerlink" href="#tables.parameters.CHUNK_CACHE_NELMTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>Number of elements for HDF5 chunk cache.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.CHUNK_CACHE_PREEMPT">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">CHUNK_CACHE_PREEMPT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0.0</span></em><a class="headerlink" href="#tables.parameters.CHUNK_CACHE_PREEMPT" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">CHUNK_CACHE_PREEMPT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0.0</span></em><a class="headerlink" href="#tables.parameters.CHUNK_CACHE_PREEMPT" title="Permalink to this definition">¶</a></dt>
 <dd><p>Chunk preemption policy.  This value should be between 0 and 1
 inclusive and indicates how much chunks that have been fully read are
 favored for preemption. A value of zero means fully read chunks are
@@ -184,25 +182,25 @@ <h3>Cache limits<a class="headerlink" href="#cache-limits" title="Link to this h
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.CHUNK_CACHE_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">CHUNK_CACHE_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">16777216</span></em><a class="headerlink" href="#tables.parameters.CHUNK_CACHE_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">CHUNK_CACHE_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">16777216</span></em><a class="headerlink" href="#tables.parameters.CHUNK_CACHE_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>Size (in bytes) for HDF5 chunk cache.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.COND_CACHE_SLOTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">COND_CACHE_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">128</span></em><a class="headerlink" href="#tables.parameters.COND_CACHE_SLOTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">COND_CACHE_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">128</span></em><a class="headerlink" href="#tables.parameters.COND_CACHE_SLOTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maximum number of conditions for table queries to be kept in memory.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.METADATA_CACHE_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">METADATA_CACHE_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.METADATA_CACHE_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">METADATA_CACHE_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.METADATA_CACHE_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>Size (in bytes) of the HDF5 metadata cache.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.NODE_CACHE_SLOTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">NODE_CACHE_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">32</span></em><a class="headerlink" href="#tables.parameters.NODE_CACHE_SLOTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">NODE_CACHE_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">32</span></em><a class="headerlink" href="#tables.parameters.NODE_CACHE_SLOTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>Maximum number of nodes to be kept in the metadata cache.</p>
 <p>It is the number of nodes to be kept in the metadata cache. Least recently
 used nodes are unloaded from memory when this number of loaded nodes is
@@ -220,40 +218,40 @@ <h3>Cache limits<a class="headerlink" href="#cache-limits" title="Link to this h
 
 </section>
 <section id="parameters-for-the-different-internal-caches">
-<h3>Parameters for the different internal caches<a class="headerlink" href="#parameters-for-the-different-internal-caches" title="Link to this heading">¶</a></h3>
+<h3>Parameters for the different internal caches<a class="headerlink" href="#parameters-for-the-different-internal-caches" title="Permalink to this heading">¶</a></h3>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.BOUNDS_MAX_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">BOUNDS_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.BOUNDS_MAX_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">BOUNDS_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.BOUNDS_MAX_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum size for bounds values cached during index lookups.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.BOUNDS_MAX_SLOTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">BOUNDS_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">4096</span></em><a class="headerlink" href="#tables.parameters.BOUNDS_MAX_SLOTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">BOUNDS_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">4096</span></em><a class="headerlink" href="#tables.parameters.BOUNDS_MAX_SLOTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum number of slots for the BOUNDS cache.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.ITERSEQ_MAX_ELEMENTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ITERSEQ_MAX_ELEMENTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1024</span></em><a class="headerlink" href="#tables.parameters.ITERSEQ_MAX_ELEMENTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ITERSEQ_MAX_ELEMENTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1024</span></em><a class="headerlink" href="#tables.parameters.ITERSEQ_MAX_ELEMENTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum number of iterator elements cached in data lookups.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.ITERSEQ_MAX_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ITERSEQ_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.ITERSEQ_MAX_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ITERSEQ_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.ITERSEQ_MAX_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum space that will take ITERSEQ cache (in bytes).</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.ITERSEQ_MAX_SLOTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ITERSEQ_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">128</span></em><a class="headerlink" href="#tables.parameters.ITERSEQ_MAX_SLOTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ITERSEQ_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">128</span></em><a class="headerlink" href="#tables.parameters.ITERSEQ_MAX_SLOTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum number of slots in ITERSEQ cache.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.LIMBOUNDS_MAX_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">LIMBOUNDS_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">262144</span></em><a class="headerlink" href="#tables.parameters.LIMBOUNDS_MAX_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">LIMBOUNDS_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">262144</span></em><a class="headerlink" href="#tables.parameters.LIMBOUNDS_MAX_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum size for the query limits (for example, <code class="docutils literal notranslate"><span class="pre">(lim1,</span> <span class="pre">lim2)</span></code>
 in conditions like <code class="docutils literal notranslate"><span class="pre">lim1</span> <span class="pre">&lt;=</span> <span class="pre">col</span> <span class="pre">&lt;</span> <span class="pre">lim2</span></code>) cached during index lookups
 (in bytes).</p>
@@ -261,38 +259,38 @@ <h3>Parameters for the different internal caches<a class="headerlink" href="#par
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.LIMBOUNDS_MAX_SLOTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">LIMBOUNDS_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">128</span></em><a class="headerlink" href="#tables.parameters.LIMBOUNDS_MAX_SLOTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">LIMBOUNDS_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">128</span></em><a class="headerlink" href="#tables.parameters.LIMBOUNDS_MAX_SLOTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum number of slots for LIMBOUNDS cache.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.TABLE_MAX_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">TABLE_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.TABLE_MAX_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">TABLE_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.TABLE_MAX_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum size for table chunks cached during index queries.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.SORTED_MAX_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">SORTED_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.SORTED_MAX_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">SORTED_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1048576</span></em><a class="headerlink" href="#tables.parameters.SORTED_MAX_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum size for sorted values cached during index lookups.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.SORTEDLR_MAX_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">SORTEDLR_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">8388608</span></em><a class="headerlink" href="#tables.parameters.SORTEDLR_MAX_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">SORTEDLR_MAX_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">8388608</span></em><a class="headerlink" href="#tables.parameters.SORTEDLR_MAX_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum size for chunks in last row cached in index lookups (in
 bytes).</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.SORTEDLR_MAX_SLOTS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">SORTEDLR_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1024</span></em><a class="headerlink" href="#tables.parameters.SORTEDLR_MAX_SLOTS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">SORTEDLR_MAX_SLOTS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1024</span></em><a class="headerlink" href="#tables.parameters.SORTEDLR_MAX_SLOTS" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum number of chunks for SORTEDLR cache.</p>
 </dd></dl>
 
 </section>
 <section id="parameters-for-general-cache-behaviour">
-<h3>Parameters for general cache behaviour<a class="headerlink" href="#parameters-for-general-cache-behaviour" title="Link to this heading">¶</a></h3>
+<h3>Parameters for general cache behaviour<a class="headerlink" href="#parameters-for-general-cache-behaviour" title="Permalink to this heading">¶</a></h3>
 <div class="admonition warning">
 <p class="admonition-title">Warning</p>
 <p>The next parameters will not take any effect if passed to the open_file()
@@ -302,7 +300,7 @@ <h3>Parameters for general cache behaviour<a class="headerlink" href="#parameter
 </div>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DISABLE_EVERY_CYCLES">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DISABLE_EVERY_CYCLES</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">10</span></em><a class="headerlink" href="#tables.parameters.DISABLE_EVERY_CYCLES" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DISABLE_EVERY_CYCLES</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">10</span></em><a class="headerlink" href="#tables.parameters.DISABLE_EVERY_CYCLES" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of cycles in which a cache will be forced to be disabled
 if the hit ratio is lower than the LOWEST_HIT_RATIO (see below).  This
 value should provide time enough to check whether the cache is being
@@ -311,7 +309,7 @@ <h3>Parameters for general cache behaviour<a class="headerlink" href="#parameter
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.ENABLE_EVERY_CYCLES">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ENABLE_EVERY_CYCLES</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">50</span></em><a class="headerlink" href="#tables.parameters.ENABLE_EVERY_CYCLES" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ENABLE_EVERY_CYCLES</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">50</span></em><a class="headerlink" href="#tables.parameters.ENABLE_EVERY_CYCLES" title="Permalink to this definition">¶</a></dt>
 <dd><p>The number of cycles in which a cache will be forced to be
 (re-)enabled, irregardingly of the hit ratio. This will provide a chance
 for checking if we are in a better scenario for doing caching again.</p>
@@ -319,46 +317,46 @@ <h3>Parameters for general cache behaviour<a class="headerlink" href="#parameter
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.LOWEST_HIT_RATIO">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">LOWEST_HIT_RATIO</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0.6</span></em><a class="headerlink" href="#tables.parameters.LOWEST_HIT_RATIO" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">LOWEST_HIT_RATIO</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0.6</span></em><a class="headerlink" href="#tables.parameters.LOWEST_HIT_RATIO" title="Permalink to this definition">¶</a></dt>
 <dd><p>The minimum acceptable hit ratio for a cache to avoid disabling (and
 freeing) it.</p>
 </dd></dl>
 
 </section>
 <section id="parameters-for-the-i-o-buffer-in-leaf-objects">
-<h3>Parameters for the I/O buffer in Leaf objects<a class="headerlink" href="#parameters-for-the-i-o-buffer-in-leaf-objects" title="Link to this heading">¶</a></h3>
+<h3>Parameters for the I/O buffer in Leaf objects<a class="headerlink" href="#parameters-for-the-i-o-buffer-in-leaf-objects" title="Permalink to this heading">¶</a></h3>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.IO_BUFFER_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">IO_BUFFER_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">16777216</span></em><a class="headerlink" href="#tables.parameters.IO_BUFFER_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">IO_BUFFER_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">16777216</span></em><a class="headerlink" href="#tables.parameters.IO_BUFFER_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>The PyTables internal buffer size for I/O purposes.  Should not
 exceed the amount of highest level cache size in your CPU.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.BUFFER_TIMES">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">BUFFER_TIMES</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">100</span></em><a class="headerlink" href="#tables.parameters.BUFFER_TIMES" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">BUFFER_TIMES</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">100</span></em><a class="headerlink" href="#tables.parameters.BUFFER_TIMES" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum buffersize/rowsize ratio before issuing a
 <a class="reference internal" href="libref/helper_classes.html#tables.PerformanceWarning" title="tables.PerformanceWarning"><code class="xref py py-exc docutils literal notranslate"><span class="pre">tables.PerformanceWarning</span></code></a>.</p>
 </dd></dl>
 
 </section>
 <section id="miscellaneous">
-<h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link to this heading">¶</a></h3>
+<h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Permalink to this heading">¶</a></h3>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.EXPECTED_ROWS_EARRAY">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">EXPECTED_ROWS_EARRAY</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1000</span></em><a class="headerlink" href="#tables.parameters.EXPECTED_ROWS_EARRAY" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">EXPECTED_ROWS_EARRAY</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1000</span></em><a class="headerlink" href="#tables.parameters.EXPECTED_ROWS_EARRAY" title="Permalink to this definition">¶</a></dt>
 <dd><p>Default expected number of rows for <code class="xref py py-class docutils literal notranslate"><span class="pre">EArray</span></code> objects.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.EXPECTED_ROWS_TABLE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">EXPECTED_ROWS_TABLE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">10000</span></em><a class="headerlink" href="#tables.parameters.EXPECTED_ROWS_TABLE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">EXPECTED_ROWS_TABLE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">10000</span></em><a class="headerlink" href="#tables.parameters.EXPECTED_ROWS_TABLE" title="Permalink to this definition">¶</a></dt>
 <dd><p>Default expected number of rows for <code class="xref py py-class docutils literal notranslate"><span class="pre">Table</span></code> objects.</p>
 </dd></dl>
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.PYTABLES_SYS_ATTRS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">PYTABLES_SYS_ATTRS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">True</span></em><a class="headerlink" href="#tables.parameters.PYTABLES_SYS_ATTRS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">PYTABLES_SYS_ATTRS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">True</span></em><a class="headerlink" href="#tables.parameters.PYTABLES_SYS_ATTRS" title="Permalink to this definition">¶</a></dt>
 <dd><p>Set this to <code class="docutils literal notranslate"><span class="pre">False</span></code> if you don’t want to create PyTables system
 attributes in datasets.  Also, if set to <code class="docutils literal notranslate"><span class="pre">False</span></code> the possible existing
 system attributes are not considered for guessing the class of the node
@@ -368,7 +366,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link to this
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.MAX_NUMEXPR_THREADS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_NUMEXPR_THREADS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">4</span></em><a class="headerlink" href="#tables.parameters.MAX_NUMEXPR_THREADS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_NUMEXPR_THREADS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">4</span></em><a class="headerlink" href="#tables.parameters.MAX_NUMEXPR_THREADS" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum number of threads that PyTables should use internally in
 Numexpr.  If <cite>None</cite>, it is automatically set to the number of cores in
 your machine. In general, it is a good idea to set this to the number of
@@ -378,7 +376,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link to this
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.MAX_BLOSC_THREADS">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_BLOSC_THREADS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1</span></em><a class="headerlink" href="#tables.parameters.MAX_BLOSC_THREADS" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">MAX_BLOSC_THREADS</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1</span></em><a class="headerlink" href="#tables.parameters.MAX_BLOSC_THREADS" title="Permalink to this definition">¶</a></dt>
 <dd><p>The maximum number of threads that PyTables should use internally in
 Blosc.  If <cite>None</cite>, it is automatically set to the number of cores in
 your machine.  For applications that use several PyTables instances
@@ -388,7 +386,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link to this
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.USER_BLOCK_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">USER_BLOCK_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.USER_BLOCK_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">USER_BLOCK_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.USER_BLOCK_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>Sets the user block size of a file.</p>
 <p>The default user block size is 0; it may be set to any power of 2 equal
 to 512 or greater (512, 1024, 2048, etc.).</p>
@@ -399,7 +397,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link to this
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.ALLOW_PADDING">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ALLOW_PADDING</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">True</span></em><a class="headerlink" href="#tables.parameters.ALLOW_PADDING" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">ALLOW_PADDING</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">True</span></em><a class="headerlink" href="#tables.parameters.ALLOW_PADDING" title="Permalink to this definition">¶</a></dt>
 <dd><p>Allow padding in compound data types.</p>
 <p>Starting on version 3.5 padding is honored during copies, or when tables
 are created from NumPy structured arrays with padding (e.g. <cite>align=True</cite>).
@@ -412,10 +410,10 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link to this
 
 </section>
 <section id="hdf5-driver-management">
-<h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" title="Link to this heading">¶</a></h3>
+<h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" title="Permalink to this heading">¶</a></h3>
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">None</span></em><a class="headerlink" href="#tables.parameters.DRIVER" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">None</span></em><a class="headerlink" href="#tables.parameters.DRIVER" title="Permalink to this definition">¶</a></dt>
 <dd><p>The HDF5 driver that should be used for reading/writing to the file.</p>
 <p>Following drivers are supported:</p>
 <blockquote>
@@ -484,7 +482,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_DIRECT_ALIGNMENT">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_DIRECT_ALIGNMENT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.DRIVER_DIRECT_ALIGNMENT" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_DIRECT_ALIGNMENT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.DRIVER_DIRECT_ALIGNMENT" title="Permalink to this definition">¶</a></dt>
 <dd><p>Specifies the required alignment boundary in memory.</p>
 <p>A value of 0 (zero) means to use HDF5 Library’s default value.</p>
 <div class="versionadded">
@@ -494,7 +492,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_DIRECT_BLOCK_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_DIRECT_BLOCK_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.DRIVER_DIRECT_BLOCK_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_DIRECT_BLOCK_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.DRIVER_DIRECT_BLOCK_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>Specifies the file system block size.</p>
 <p>A value of 0 (zero) means to use HDF5 Library’s default value of 4KB.</p>
 <div class="versionadded">
@@ -504,7 +502,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_DIRECT_CBUF_SIZE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_DIRECT_CBUF_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.DRIVER_DIRECT_CBUF_SIZE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_DIRECT_CBUF_SIZE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">0</span></em><a class="headerlink" href="#tables.parameters.DRIVER_DIRECT_CBUF_SIZE" title="Permalink to this definition">¶</a></dt>
 <dd><p>Specifies the copy buffer size.</p>
 <p>A value of 0 (zero) means to use HDF5 Library’s default value.</p>
 <div class="versionadded">
@@ -514,7 +512,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_CORE_INCREMENT">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_CORE_INCREMENT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">65536</span></em><a class="headerlink" href="#tables.parameters.DRIVER_CORE_INCREMENT" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_CORE_INCREMENT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">65536</span></em><a class="headerlink" href="#tables.parameters.DRIVER_CORE_INCREMENT" title="Permalink to this definition">¶</a></dt>
 <dd><p>Core driver memory increment.</p>
 <p>Specifies the increment by which allocated memory is to be increased
 each time more memory is required.</p>
@@ -525,7 +523,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_CORE_BACKING_STORE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_CORE_BACKING_STORE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1</span></em><a class="headerlink" href="#tables.parameters.DRIVER_CORE_BACKING_STORE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_CORE_BACKING_STORE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">1</span></em><a class="headerlink" href="#tables.parameters.DRIVER_CORE_BACKING_STORE" title="Permalink to this definition">¶</a></dt>
 <dd><p>Enables backing store for the core driver.</p>
 <p>With the H5FD_CORE driver, if the DRIVER_CORE_BACKING_STORE is set
 to 1 (True), the file contents are flushed to a file with the same name
@@ -547,7 +545,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_CORE_IMAGE">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_CORE_IMAGE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">None</span></em><a class="headerlink" href="#tables.parameters.DRIVER_CORE_IMAGE" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_CORE_IMAGE</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">None</span></em><a class="headerlink" href="#tables.parameters.DRIVER_CORE_IMAGE" title="Permalink to this definition">¶</a></dt>
 <dd><p>String containing an HDF5 file image.</p>
 <p>If this option is passed to the <a class="reference internal" href="libref/top_level.html#tables.open_file" title="tables.open_file"><code class="xref py py-func docutils literal notranslate"><span class="pre">tables.open_file()</span></code></a> function then the
 returned file object is set up using the specified image.</p>
@@ -564,7 +562,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_SPLIT_META_EXT">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_SPLIT_META_EXT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'-m.h5'</span></em><a class="headerlink" href="#tables.parameters.DRIVER_SPLIT_META_EXT" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_SPLIT_META_EXT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'-m.h5'</span></em><a class="headerlink" href="#tables.parameters.DRIVER_SPLIT_META_EXT" title="Permalink to this definition">¶</a></dt>
 <dd><p>The extension for the metadata file used by the H5FD_SPLIT driver.</p>
 <p>If this option is passed to the <code class="xref py py-func docutils literal notranslate"><span class="pre">tables.openFile()</span></code> function along
 with driver=’H5FD_SPLIT’, the extension is appended to the name passed
@@ -578,7 +576,7 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 <dl class="py data">
 <dt class="sig sig-object py" id="tables.parameters.DRIVER_SPLIT_RAW_EXT">
-<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_SPLIT_RAW_EXT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'-r.h5'</span></em><a class="headerlink" href="#tables.parameters.DRIVER_SPLIT_RAW_EXT" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">tables.parameters.</span></span><span class="sig-name descname"><span class="pre">DRIVER_SPLIT_RAW_EXT</span></span><em class="property"><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="pre">'-r.h5'</span></em><a class="headerlink" href="#tables.parameters.DRIVER_SPLIT_RAW_EXT" title="Permalink to this definition">¶</a></dt>
 <dd><p>The extension for the raw data file used by the H5FD_SPLIT driver.</p>
 <p>If this option is passed to the <code class="xref py py-func docutils literal notranslate"><span class="pre">tables.openFile()</span></code> function along
 with driver=’H5FD_SPLIT’, the extension is appended to the name passed
diff --git a/usersguide/tutorials.html b/usersguide/tutorials.html
index 943be00..7180223 100644
--- a/usersguide/tutorials.html
+++ b/usersguide/tutorials.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Tutorials &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Tutorials</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Tutorials</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/tutorials.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="tutorials">
-<h1>Tutorials<a class="headerlink" href="#tutorials" title="Link to this heading">¶</a></h1>
+<h1>Tutorials<a class="headerlink" href="#tutorials" title="Permalink to this heading">¶</a></h1>
 <blockquote class="epigraph">
 <div><p>Seràs la clau que obre tots els panys,
 seràs la llum, la llum il.limitada,
@@ -114,7 +112,7 @@ <h1>Tutorials<a class="headerlink" href="#tutorials" title="Link to this heading
 <p>Please note that throughout this document the terms <em>column</em> and <em>field</em>
 will be used interchangeably, as will the terms <em>row</em> and <em>record</em>.</p>
 <section id="getting-started">
-<h2>Getting started<a class="headerlink" href="#getting-started" title="Link to this heading">¶</a></h2>
+<h2>Getting started<a class="headerlink" href="#getting-started" title="Permalink to this heading">¶</a></h2>
 <p>In this section, we will see how to define our own records in Python and save
 collections of them (i.e. a <em>table</em>) into a file. Then we will select some of
 the data in the table using Python cuts and create NumPy arrays to store this
@@ -125,7 +123,7 @@ <h2>Getting started<a class="headerlink" href="#getting-started" title="Link to
 parallel testing and inspect the created objects (variables, docs, children
 objects, etc.) during the course of the tutorial!</p>
 <section id="importing-tables-objects">
-<h3>Importing tables objects<a class="headerlink" href="#importing-tables-objects" title="Link to this heading">¶</a></h3>
+<h3>Importing tables objects<a class="headerlink" href="#importing-tables-objects" title="Permalink to this heading">¶</a></h3>
 <p>Before starting you need to import the public objects in the tables package.
 You normally do that by executing:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">tables</span>
@@ -146,7 +144,7 @@ <h3>Importing tables objects<a class="headerlink" href="#importing-tables-object
 </div>
 </section>
 <section id="declaring-a-column-descriptor">
-<h3>Declaring a Column Descriptor<a class="headerlink" href="#declaring-a-column-descriptor" title="Link to this heading">¶</a></h3>
+<h3>Declaring a Column Descriptor<a class="headerlink" href="#declaring-a-column-descriptor" title="Permalink to this heading">¶</a></h3>
 <p>Now, imagine that we have a particle detector and we want to create a table
 object in order to save data retrieved from it. You need first to define the
 table, the number of columns it has, what kind of object is contained in each
@@ -176,7 +174,7 @@ <h3>Declaring a Column Descriptor<a class="headerlink" href="#declaring-a-column
 <span class="gp">... </span>    <span class="n">grid_j</span>    <span class="o">=</span> <span class="n">Int32Col</span><span class="p">()</span>      <span class="c1"># 32-bit integer</span>
 <span class="gp">... </span>    <span class="n">pressure</span>  <span class="o">=</span> <span class="n">Float32Col</span><span class="p">()</span>    <span class="c1"># float  (single-precision)</span>
 <span class="gp">... </span>    <span class="n">energy</span>    <span class="o">=</span> <span class="n">Float64Col</span><span class="p">()</span>    <span class="c1"># double (double-precision)</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>This definition class is self-explanatory. Basically, you declare a class
@@ -191,7 +189,7 @@ <h3>Declaring a Column Descriptor<a class="headerlink" href="#declaring-a-column
 our table will be saved.</p>
 </section>
 <section id="creating-a-pytables-file-from-scratch">
-<h3>Creating a PyTables file from scratch<a class="headerlink" href="#creating-a-pytables-file-from-scratch" title="Link to this heading">¶</a></h3>
+<h3>Creating a PyTables file from scratch<a class="headerlink" href="#creating-a-pytables-file-from-scratch" title="Permalink to this heading">¶</a></h3>
 <p>Use the top-level <a class="reference internal" href="libref/top_level.html#tables.open_file" title="tables.open_file"><code class="xref py py-func docutils literal notranslate"><span class="pre">open_file()</span></code></a> function to create a PyTables file:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">h5file</span> <span class="o">=</span> <span class="n">open_file</span><span class="p">(</span><span class="s2">&quot;tutorial1.h5&quot;</span><span class="p">,</span> <span class="n">mode</span><span class="o">=</span><span class="s2">&quot;w&quot;</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;Test file&quot;</span><span class="p">)</span>
 </pre></div>
@@ -205,7 +203,7 @@ <h3>Creating a PyTables file from scratch<a class="headerlink" href="#creating-a
 tree is specified in the instance’s root attribute.</p>
 </section>
 <section id="creating-a-new-group">
-<h3>Creating a new group<a class="headerlink" href="#creating-a-new-group" title="Link to this heading">¶</a></h3>
+<h3>Creating a new group<a class="headerlink" href="#creating-a-new-group" title="Permalink to this heading">¶</a></h3>
 <p>Now, to better organize our data, we will create a group called <em>detector</em>
 that branches from the root node. We will save our particle data table in
 this group:</p>
@@ -219,7 +217,7 @@ <h3>Creating a new group<a class="headerlink" href="#creating-a-new-group" title
 object instance that will be assigned to the variable group.</p>
 </section>
 <section id="creating-a-new-table">
-<h3>Creating a new table<a class="headerlink" href="#creating-a-new-table" title="Link to this heading">¶</a></h3>
+<h3>Creating a new table<a class="headerlink" href="#creating-a-new-table" title="Permalink to this heading">¶</a></h3>
 <p>Let’s now create a Table (see <a class="reference internal" href="libref/structured_storage.html#tableclassdescr"><span class="std std-ref">The Table class</span></a>) object as a branch off
 the newly-created group. We do that by calling the <a class="reference internal" href="libref/file_class.html#tables.File.create_table" title="tables.File.create_table"><code class="xref py py-meth docutils literal notranslate"><span class="pre">File.create_table()</span></code></a>
 method of the h5file object:</p>
@@ -291,7 +289,7 @@ <h3>Creating a new table<a class="headerlink" href="#creating-a-new-table" title
 <span class="gp">... </span>    <span class="n">particle</span><span class="p">[</span><span class="s1">&#39;idnumber&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">i</span> <span class="o">*</span> <span class="p">(</span><span class="mi">2</span> <span class="o">**</span> <span class="mi">34</span><span class="p">)</span>
 <span class="gp">... </span>    <span class="c1"># Insert a new particle record</span>
 <span class="gp">... </span>    <span class="n">particle</span><span class="o">.</span><span class="n">append</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>This code should be easy to understand. The lines inside the loop just assign
@@ -310,7 +308,7 @@ <h3>Creating a new table<a class="headerlink" href="#creating-a-new-table" title
 things.</p>
 </section>
 <section id="reading-and-selecting-data-in-a-table">
-<span id="readingandselectingusage"></span><h3>Reading (and selecting) data in a table<a class="headerlink" href="#reading-and-selecting-data-in-a-table" title="Link to this heading">¶</a></h3>
+<span id="readingandselectingusage"></span><h3>Reading (and selecting) data in a table<a class="headerlink" href="#reading-and-selecting-data-in-a-table" title="Permalink to this heading">¶</a></h3>
 <p>Ok. We have our data on disk, and now we need to access it and select from
 specific columns the values we are interested in. See the example below:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">table</span> <span class="o">=</span> <span class="n">h5file</span><span class="o">.</span><span class="n">root</span><span class="o">.</span><span class="n">detector</span><span class="o">.</span><span class="n">readout</span>
@@ -380,7 +378,7 @@ <h3>Creating a new table<a class="headerlink" href="#creating-a-new-table" title
 save these selected results to a file.</p>
 </section>
 <section id="creating-new-array-objects">
-<h3>Creating new array objects<a class="headerlink" href="#creating-new-array-objects" title="Link to this heading">¶</a></h3>
+<h3>Creating new array objects<a class="headerlink" href="#creating-new-array-objects" title="Permalink to this heading">¶</a></h3>
 <p>In order to separate the selected data from the mass of detector data, we
 will create a new group columns branching off the root group. Afterwards,
 under this group, we will create two arrays that will contain the selected
@@ -442,7 +440,7 @@ <h3>Creating new array objects<a class="headerlink" href="#creating-new-array-ob
 </div>
 </section>
 <section id="closing-the-file-and-looking-at-its-content">
-<h3>Closing the file and looking at its content<a class="headerlink" href="#closing-the-file-and-looking-at-its-content" title="Link to this heading">¶</a></h3>
+<h3>Closing the file and looking at its content<a class="headerlink" href="#closing-the-file-and-looking-at-its-content" title="Permalink to this heading">¶</a></h3>
 <p>To finish this first tutorial, we use the close method of the h5file File
 object to close the file before exiting Python:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">h5file</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
@@ -453,38 +451,38 @@ <h3>Closing the file and looking at its content<a class="headerlink" href="#clos
 <p>You have now created your first PyTables file with a table and two arrays.
 You can examine it with any generic HDF5 tool, such as h5dump or h5ls. Here is
 what the tutorial1.h5 looks like when read with the h5ls program.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>h5ls<span class="w"> </span>-rd<span class="w"> </span>tutorial1.h5
-/columns<span class="w">                 </span>Group
-/columns/name<span class="w">            </span>Dataset<span class="w"> </span><span class="o">{</span><span class="m">3</span><span class="o">}</span>
-<span class="w">    </span>Data:
-<span class="w">        </span><span class="o">(</span><span class="m">0</span><span class="o">)</span><span class="w"> </span><span class="s2">&quot;Particle:      5&quot;</span>,<span class="w"> </span><span class="s2">&quot;Particle:      6&quot;</span>,<span class="w"> </span><span class="s2">&quot;Particle:      7&quot;</span>
-/columns/pressure<span class="w">        </span>Dataset<span class="w"> </span><span class="o">{</span><span class="m">3</span><span class="o">}</span>
-<span class="w">    </span>Data:
-<span class="w">        </span><span class="o">(</span><span class="m">0</span><span class="o">)</span><span class="w"> </span><span class="m">25</span>,<span class="w"> </span><span class="m">36</span>,<span class="w"> </span><span class="m">49</span>
-/detector<span class="w">                </span>Group
-/detector/readout<span class="w">        </span>Dataset<span class="w"> </span><span class="o">{</span><span class="m">10</span>/Inf<span class="o">}</span>
-<span class="w">    </span>Data:
-<span class="w">        </span><span class="o">(</span><span class="m">0</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">0</span>,<span class="w"> </span><span class="m">0</span>,<span class="w"> </span><span class="m">0</span>,<span class="w"> </span><span class="m">0</span>,<span class="w"> </span><span class="m">10</span>,<span class="w"> </span><span class="m">0</span>,<span class="w"> </span><span class="s2">&quot;Particle:      0&quot;</span>,<span class="w"> </span><span class="m">0</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">1</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">256</span>,<span class="w"> </span><span class="m">1</span>,<span class="w"> </span><span class="m">1</span>,<span class="w"> </span><span class="m">1</span>,<span class="w"> </span><span class="m">9</span>,<span class="w"> </span><span class="m">17179869184</span>,<span class="w"> </span><span class="s2">&quot;Particle:      1&quot;</span>,<span class="w"> </span><span class="m">1</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">2</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">512</span>,<span class="w"> </span><span class="m">2</span>,<span class="w"> </span><span class="m">256</span>,<span class="w"> </span><span class="m">2</span>,<span class="w"> </span><span class="m">8</span>,<span class="w"> </span><span class="m">34359738368</span>,<span class="w"> </span><span class="s2">&quot;Particle:      2&quot;</span>,<span class="w"> </span><span class="m">4</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">3</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">768</span>,<span class="w"> </span><span class="m">3</span>,<span class="w"> </span><span class="m">6561</span>,<span class="w"> </span><span class="m">3</span>,<span class="w"> </span><span class="m">7</span>,<span class="w"> </span><span class="m">51539607552</span>,<span class="w"> </span><span class="s2">&quot;Particle:      3&quot;</span>,<span class="w"> </span><span class="m">9</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">4</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">1024</span>,<span class="w"> </span><span class="m">4</span>,<span class="w"> </span><span class="m">65536</span>,<span class="w"> </span><span class="m">4</span>,<span class="w"> </span><span class="m">6</span>,<span class="w"> </span><span class="m">68719476736</span>,<span class="w"> </span><span class="s2">&quot;Particle:      4&quot;</span>,<span class="w"> </span><span class="m">16</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">5</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">1280</span>,<span class="w"> </span><span class="m">5</span>,<span class="w"> </span><span class="m">390625</span>,<span class="w"> </span><span class="m">5</span>,<span class="w"> </span><span class="m">5</span>,<span class="w"> </span><span class="m">85899345920</span>,<span class="w"> </span><span class="s2">&quot;Particle:      5&quot;</span>,<span class="w"> </span><span class="m">25</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">6</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">1536</span>,<span class="w"> </span><span class="m">6</span>,<span class="w"> </span><span class="m">1679616</span>,<span class="w"> </span><span class="m">6</span>,<span class="w"> </span><span class="m">4</span>,<span class="w"> </span><span class="m">103079215104</span>,<span class="w"> </span><span class="s2">&quot;Particle:      6&quot;</span>,<span class="w"> </span><span class="m">36</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">7</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">1792</span>,<span class="w"> </span><span class="m">7</span>,<span class="w"> </span><span class="m">5764801</span>,<span class="w"> </span><span class="m">7</span>,<span class="w"> </span><span class="m">3</span>,<span class="w"> </span><span class="m">120259084288</span>,<span class="w"> </span><span class="s2">&quot;Particle:      7&quot;</span>,<span class="w"> </span><span class="m">49</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">8</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">2048</span>,<span class="w"> </span><span class="m">8</span>,<span class="w"> </span><span class="m">16777216</span>,<span class="w"> </span><span class="m">8</span>,<span class="w"> </span><span class="m">2</span>,<span class="w"> </span><span class="m">137438953472</span>,<span class="w"> </span><span class="s2">&quot;Particle:      8&quot;</span>,<span class="w"> </span><span class="m">64</span><span class="o">}</span>,
-<span class="w">        </span><span class="o">(</span><span class="m">9</span><span class="o">)</span><span class="w"> </span><span class="o">{</span><span class="m">2304</span>,<span class="w"> </span><span class="m">9</span>,<span class="w"> </span><span class="m">43046721</span>,<span class="w"> </span><span class="m">9</span>,<span class="w"> </span><span class="m">1</span>,<span class="w"> </span><span class="m">154618822656</span>,<span class="w"> </span><span class="s2">&quot;Particle:      9&quot;</span>,<span class="w"> </span><span class="m">81</span><span class="o">}</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ h5ls -rd tutorial1.h5
+/columns                 Group
+/columns/name            Dataset <span class="o">{</span><span class="m">3</span><span class="o">}</span>
+    Data:
+        <span class="o">(</span><span class="m">0</span><span class="o">)</span> <span class="s2">&quot;Particle:      5&quot;</span>, <span class="s2">&quot;Particle:      6&quot;</span>, <span class="s2">&quot;Particle:      7&quot;</span>
+/columns/pressure        Dataset <span class="o">{</span><span class="m">3</span><span class="o">}</span>
+    Data:
+        <span class="o">(</span><span class="m">0</span><span class="o">)</span> <span class="m">25</span>, <span class="m">36</span>, <span class="m">49</span>
+/detector                Group
+/detector/readout        Dataset <span class="o">{</span><span class="m">10</span>/Inf<span class="o">}</span>
+    Data:
+        <span class="o">(</span><span class="m">0</span><span class="o">)</span> <span class="o">{</span><span class="m">0</span>, <span class="m">0</span>, <span class="m">0</span>, <span class="m">0</span>, <span class="m">10</span>, <span class="m">0</span>, <span class="s2">&quot;Particle:      0&quot;</span>, <span class="m">0</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span><span class="m">256</span>, <span class="m">1</span>, <span class="m">1</span>, <span class="m">1</span>, <span class="m">9</span>, <span class="m">17179869184</span>, <span class="s2">&quot;Particle:      1&quot;</span>, <span class="m">1</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">2</span><span class="o">)</span> <span class="o">{</span><span class="m">512</span>, <span class="m">2</span>, <span class="m">256</span>, <span class="m">2</span>, <span class="m">8</span>, <span class="m">34359738368</span>, <span class="s2">&quot;Particle:      2&quot;</span>, <span class="m">4</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">3</span><span class="o">)</span> <span class="o">{</span><span class="m">768</span>, <span class="m">3</span>, <span class="m">6561</span>, <span class="m">3</span>, <span class="m">7</span>, <span class="m">51539607552</span>, <span class="s2">&quot;Particle:      3&quot;</span>, <span class="m">9</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">4</span><span class="o">)</span> <span class="o">{</span><span class="m">1024</span>, <span class="m">4</span>, <span class="m">65536</span>, <span class="m">4</span>, <span class="m">6</span>, <span class="m">68719476736</span>, <span class="s2">&quot;Particle:      4&quot;</span>, <span class="m">16</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">5</span><span class="o">)</span> <span class="o">{</span><span class="m">1280</span>, <span class="m">5</span>, <span class="m">390625</span>, <span class="m">5</span>, <span class="m">5</span>, <span class="m">85899345920</span>, <span class="s2">&quot;Particle:      5&quot;</span>, <span class="m">25</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">6</span><span class="o">)</span> <span class="o">{</span><span class="m">1536</span>, <span class="m">6</span>, <span class="m">1679616</span>, <span class="m">6</span>, <span class="m">4</span>, <span class="m">103079215104</span>, <span class="s2">&quot;Particle:      6&quot;</span>, <span class="m">36</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">7</span><span class="o">)</span> <span class="o">{</span><span class="m">1792</span>, <span class="m">7</span>, <span class="m">5764801</span>, <span class="m">7</span>, <span class="m">3</span>, <span class="m">120259084288</span>, <span class="s2">&quot;Particle:      7&quot;</span>, <span class="m">49</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">8</span><span class="o">)</span> <span class="o">{</span><span class="m">2048</span>, <span class="m">8</span>, <span class="m">16777216</span>, <span class="m">8</span>, <span class="m">2</span>, <span class="m">137438953472</span>, <span class="s2">&quot;Particle:      8&quot;</span>, <span class="m">64</span><span class="o">}</span>,
+        <span class="o">(</span><span class="m">9</span><span class="o">)</span> <span class="o">{</span><span class="m">2304</span>, <span class="m">9</span>, <span class="m">43046721</span>, <span class="m">9</span>, <span class="m">1</span>, <span class="m">154618822656</span>, <span class="s2">&quot;Particle:      9&quot;</span>, <span class="m">81</span><span class="o">}</span>
 </pre></div>
 </div>
 <p>Here’s the output as displayed by the “ptdump” PyTables utility (located in
 utils/ directory).</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>tutorial1.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;Test file&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;Pressure and Name&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
-/detector<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;Detector information&#39;</span>
-/detector/readout<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Readout example&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump tutorial1.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;Test file&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;Pressure and Name&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
+/detector <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;Detector information&#39;</span>
+/detector/readout <span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span> <span class="s1">&#39;Readout example&#39;</span>
 </pre></div>
 </div>
 <p>You can pass the <cite>-v</cite> or <cite>-d</cite> options to ptdump if you want
@@ -496,20 +494,20 @@ <h3>Closing the file and looking at its content<a class="headerlink" href="#clos
 <span id="tutorial1-1-tableview"></span><img alt="../_images/tutorial1-1-tableview.png" src="../_images/tutorial1-1-tableview.png" />
 <figcaption>
 <p><span class="caption-text"><strong>Figure 1. The initial version of the data file for tutorial 1, with a
-view of the data objects.</strong></span><a class="headerlink" href="#id9" title="Link to this image">¶</a></p>
+view of the data objects.</strong></span><a class="headerlink" href="#id9" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 </section>
 </section>
 <section id="browsing-the-object-tree">
-<h2>Browsing the <em>object tree</em><a class="headerlink" href="#browsing-the-object-tree" title="Link to this heading">¶</a></h2>
+<h2>Browsing the <em>object tree</em><a class="headerlink" href="#browsing-the-object-tree" title="Permalink to this heading">¶</a></h2>
 <p>In this section, we will learn how to browse the tree and retrieve data and
 also meta-information about the actual data.</p>
 <p>In <em>examples/tutorial1-2.py</em> you will find the working version of all the
 code in this section. As before, you are encouraged to use a python shell and
 inspect the object tree during the course of the tutorial.</p>
 <section id="traversing-the-object-tree">
-<h3>Traversing the object tree<a class="headerlink" href="#traversing-the-object-tree" title="Link to this heading">¶</a></h3>
+<h3>Traversing the object tree<a class="headerlink" href="#traversing-the-object-tree" title="Permalink to this heading">¶</a></h3>
 <p>Let’s start by opening the file we created in last tutorial section:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">h5file</span> <span class="o">=</span> <span class="n">open_file</span><span class="p">(</span><span class="s2">&quot;tutorial1.h5&quot;</span><span class="p">,</span> <span class="s2">&quot;a&quot;</span><span class="p">)</span>
 </pre></div>
@@ -595,7 +593,7 @@ <h3>Traversing the object tree<a class="headerlink" href="#traversing-the-object
 instance variables.</p>
 </section>
 <section id="setting-and-getting-user-attributes">
-<h3>Setting and getting user attributes<a class="headerlink" href="#setting-and-getting-user-attributes" title="Link to this heading">¶</a></h3>
+<h3>Setting and getting user attributes<a class="headerlink" href="#setting-and-getting-user-attributes" title="Permalink to this heading">¶</a></h3>
 <p>PyTables provides an easy and concise way to complement the meaning of your
 node objects on the tree by using the AttributeSet class (see
 <a class="reference internal" href="libref/declarative_classes.html#attributesetclassdescr"><span class="std std-ref">The AttributeSet class</span></a>). You can access this object through the
@@ -693,9 +691,9 @@ <h3>Setting and getting user attributes<a class="headerlink" href="#setting-and-
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">table</span><span class="o">.</span><span class="n">attrs</span><span class="o">.</span><span class="n">_f_rename</span><span class="p">(</span><span class="s2">&quot;VERSION&quot;</span><span class="p">,</span> <span class="s2">&quot;version&quot;</span><span class="p">)</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">table</span><span class="o">.</span><span class="n">attrs</span><span class="o">.</span><span class="n">VERSION</span>
 <span class="gt">Traceback (most recent call last):</span>
-<span class="w">    </span><span class="n">File</span> <span class="s2">&quot;&lt;stdin&gt;&quot;</span><span class="p">,</span> <span class="n">line</span> <span class="mi">1</span><span class="p">,</span> <span class="ow">in</span> <span class="o">&lt;</span><span class="n">module</span><span class="o">&gt;</span>
-<span class="w">    </span><span class="n">File</span> <span class="s2">&quot;tables/attributeset.py&quot;</span><span class="p">,</span> <span class="n">line</span> <span class="mi">222</span><span class="p">,</span> <span class="ow">in</span> <span class="fm">__getattr__</span>
-<span class="w">    </span>    <span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v__nodepath</span><span class="p">)</span>
+    <span class="n">File</span> <span class="s2">&quot;&lt;stdin&gt;&quot;</span><span class="p">,</span> <span class="n">line</span> <span class="mi">1</span><span class="p">,</span> <span class="ow">in</span> <span class="o">&lt;</span><span class="n">module</span><span class="o">&gt;</span>
+    <span class="n">File</span> <span class="s2">&quot;tables/attributeset.py&quot;</span><span class="p">,</span> <span class="n">line</span> <span class="mi">222</span><span class="p">,</span> <span class="ow">in</span> <span class="fm">__getattr__</span>
+        <span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v__nodepath</span><span class="p">)</span>
 <span class="gr">AttributeError</span>: <span class="n">Attribute &#39;VERSION&#39; does not exist in node: &#39;/detector/readout&#39;</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">table</span><span class="o">.</span><span class="n">attrs</span><span class="o">.</span><span class="n">version</span>
 <span class="go">&#39;2.6&#39;</span>
@@ -714,69 +712,69 @@ <h3>Setting and getting user attributes<a class="headerlink" href="#setting-and-
 <p>Ok, that’s better. If you would terminate your session now, you would be able
 to use the h5ls command to read the /detector/readout attributes from the
 file written to disk.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>h5ls<span class="w"> </span>-vr<span class="w"> </span>tutorial1.h5/detector/readout
-Opened<span class="w"> </span><span class="s2">&quot;tutorial1.h5&quot;</span><span class="w"> </span>with<span class="w"> </span>sec2<span class="w"> </span>driver.
-/detector/readout<span class="w">        </span>Dataset<span class="w"> </span><span class="o">{</span><span class="m">10</span>/Inf<span class="o">}</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>CLASS<span class="w">     </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">6</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;TABLE&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>VERSION<span class="w">   </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">4</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;2.6&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>TITLE<span class="w">     </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">16</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;Readout example&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>NROWS<span class="w">     </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span>native<span class="w"> </span>long<span class="w"> </span>long
-<span class="w">        </span>Data:<span class="w">  </span><span class="m">10</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_0_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">9</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;ADCcount&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_1_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">9</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;TDCcount&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_2_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">7</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;energy&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_3_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">7</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;grid_i&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_4_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">7</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;grid_j&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_5_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">9</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;idnumber&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_6_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">5</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;name&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FIELD_7_NAME<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">9</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;pressure&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>FLAVOR<span class="w">    </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">5</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;numpy&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>tempScale<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span><span class="m">7</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">        </span>Data:<span class="w">  </span><span class="s2">&quot;Celsius&quot;</span>
-<span class="w">    </span>Attribute:<span class="w"> </span>temperature<span class="w"> </span>scalar
-<span class="w">        </span>Type:<span class="w">      </span>native<span class="w"> </span>double
-<span class="w">        </span>Data:<span class="w">  </span><span class="m">18</span>.4
-<span class="w">    </span>Location:<span class="w">  </span><span class="m">0</span>:1:0:1952
-<span class="w">    </span>Links:<span class="w">     </span><span class="m">1</span>
-<span class="w">    </span>Modified:<span class="w">  </span><span class="m">2006</span>-12-11<span class="w"> </span><span class="m">10</span>:35:13<span class="w"> </span>CET
-<span class="w">    </span>Chunks:<span class="w">    </span><span class="o">{</span><span class="m">85</span><span class="o">}</span><span class="w"> </span><span class="m">3995</span><span class="w"> </span>bytes
-<span class="w">    </span>Storage:<span class="w">   </span><span class="m">470</span><span class="w"> </span>logical<span class="w"> </span>bytes,<span class="w"> </span><span class="m">3995</span><span class="w"> </span>allocated<span class="w"> </span>bytes,<span class="w"> </span><span class="m">11</span>.76%<span class="w"> </span>utilization
-<span class="w">    </span>Type:<span class="w">      </span>struct<span class="w"> </span><span class="o">{</span>
-<span class="w">                    </span><span class="s2">&quot;ADCcount&quot;</span><span class="w">         </span>+0<span class="w">    </span>native<span class="w"> </span>unsigned<span class="w"> </span>short
-<span class="w">                    </span><span class="s2">&quot;TDCcount&quot;</span><span class="w">         </span>+2<span class="w">    </span>native<span class="w"> </span>unsigned<span class="w"> </span>char
-<span class="w">                    </span><span class="s2">&quot;energy&quot;</span><span class="w">           </span>+3<span class="w">    </span>native<span class="w"> </span>double
-<span class="w">                    </span><span class="s2">&quot;grid_i&quot;</span><span class="w">           </span>+11<span class="w">   </span>native<span class="w"> </span>int
-<span class="w">                    </span><span class="s2">&quot;grid_j&quot;</span><span class="w">           </span>+15<span class="w">   </span>native<span class="w"> </span>int
-<span class="w">                    </span><span class="s2">&quot;idnumber&quot;</span><span class="w">         </span>+19<span class="w">   </span>native<span class="w"> </span>long<span class="w"> </span>long
-<span class="w">                    </span><span class="s2">&quot;name&quot;</span><span class="w">             </span>+27<span class="w">   </span><span class="m">16</span>-byte<span class="w"> </span>null-terminated<span class="w"> </span>ASCII<span class="w"> </span>string
-<span class="w">                    </span><span class="s2">&quot;pressure&quot;</span><span class="w">         </span>+43<span class="w">   </span>native<span class="w"> </span>float
-<span class="w">                </span><span class="o">}</span><span class="w"> </span><span class="m">47</span><span class="w"> </span>bytes
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ h5ls -vr tutorial1.h5/detector/readout
+Opened <span class="s2">&quot;tutorial1.h5&quot;</span> with sec2 driver.
+/detector/readout        Dataset <span class="o">{</span><span class="m">10</span>/Inf<span class="o">}</span>
+    Attribute: CLASS     scalar
+        Type:      <span class="m">6</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;TABLE&quot;</span>
+    Attribute: VERSION   scalar
+        Type:      <span class="m">4</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;2.6&quot;</span>
+    Attribute: TITLE     scalar
+        Type:      <span class="m">16</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;Readout example&quot;</span>
+    Attribute: NROWS     scalar
+        Type:      native long long
+        Data:  <span class="m">10</span>
+    Attribute: FIELD_0_NAME scalar
+        Type:      <span class="m">9</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;ADCcount&quot;</span>
+    Attribute: FIELD_1_NAME scalar
+        Type:      <span class="m">9</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;TDCcount&quot;</span>
+    Attribute: FIELD_2_NAME scalar
+        Type:      <span class="m">7</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;energy&quot;</span>
+    Attribute: FIELD_3_NAME scalar
+        Type:      <span class="m">7</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;grid_i&quot;</span>
+    Attribute: FIELD_4_NAME scalar
+        Type:      <span class="m">7</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;grid_j&quot;</span>
+    Attribute: FIELD_5_NAME scalar
+        Type:      <span class="m">9</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;idnumber&quot;</span>
+    Attribute: FIELD_6_NAME scalar
+        Type:      <span class="m">5</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;name&quot;</span>
+    Attribute: FIELD_7_NAME scalar
+        Type:      <span class="m">9</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;pressure&quot;</span>
+    Attribute: FLAVOR    scalar
+        Type:      <span class="m">5</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;numpy&quot;</span>
+    Attribute: tempScale scalar
+        Type:      <span class="m">7</span>-byte null-terminated ASCII string
+        Data:  <span class="s2">&quot;Celsius&quot;</span>
+    Attribute: temperature scalar
+        Type:      native double
+        Data:  <span class="m">18</span>.4
+    Location:  <span class="m">0</span>:1:0:1952
+    Links:     <span class="m">1</span>
+    Modified:  <span class="m">2006</span>-12-11 <span class="m">10</span>:35:13 CET
+    Chunks:    <span class="o">{</span><span class="m">85</span><span class="o">}</span> <span class="m">3995</span> bytes
+    Storage:   <span class="m">470</span> logical bytes, <span class="m">3995</span> allocated bytes, <span class="m">11</span>.76% utilization
+    Type:      struct <span class="o">{</span>
+                    <span class="s2">&quot;ADCcount&quot;</span>         +0    native unsigned short
+                    <span class="s2">&quot;TDCcount&quot;</span>         +2    native unsigned char
+                    <span class="s2">&quot;energy&quot;</span>           +3    native double
+                    <span class="s2">&quot;grid_i&quot;</span>           +11   native int
+                    <span class="s2">&quot;grid_j&quot;</span>           +15   native int
+                    <span class="s2">&quot;idnumber&quot;</span>         +19   native long long
+                    <span class="s2">&quot;name&quot;</span>             +27   <span class="m">16</span>-byte null-terminated ASCII string
+                    <span class="s2">&quot;pressure&quot;</span>         +43   native float
+                <span class="o">}</span> <span class="m">47</span> bytes
 </pre></div>
 </div>
 <p>Attributes are a useful mechanism to add persistent (meta) information to
@@ -788,7 +786,7 @@ <h3>Setting and getting user attributes<a class="headerlink" href="#setting-and-
 </div>
 </section>
 <section id="getting-object-metadata">
-<h3>Getting object metadata<a class="headerlink" href="#getting-object-metadata" title="Link to this heading">¶</a></h3>
+<h3>Getting object metadata<a class="headerlink" href="#getting-object-metadata" title="Permalink to this heading">¶</a></h3>
 <p>Each object in PyTables has <em>metadata</em> information about the data in the
 file. Normally this <em>meta-information</em> is accessible through the node
 instance variables. Let’s take a look at some examples:</p>
@@ -913,7 +911,7 @@ <h3>Getting object metadata<a class="headerlink" href="#getting-object-metadata"
 attribute list.</p>
 </section>
 <section id="reading-data-from-array-objects">
-<h3>Reading data from Array objects<a class="headerlink" href="#reading-data-from-array-objects" title="Link to this heading">¶</a></h3>
+<h3>Reading data from Array objects<a class="headerlink" href="#reading-data-from-array-objects" title="Permalink to this heading">¶</a></h3>
 <p>Once you have found the desired Array, use the read() method of the Array
 object to retrieve its data:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">pressureArray</span> <span class="o">=</span> <span class="n">pressureObject</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>
@@ -924,7 +922,7 @@ <h3>Reading data from Array objects<a class="headerlink" href="#reading-data-fro
 <span class="gp">&gt;&gt;&gt; </span><span class="n">nameArray</span> <span class="o">=</span> <span class="n">h5file</span><span class="o">.</span><span class="n">root</span><span class="o">.</span><span class="n">columns</span><span class="o">.</span><span class="n">name</span><span class="o">.</span><span class="n">read</span><span class="p">()</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="s2">&quot;nameArray is an object of type:&quot;</span><span class="p">,</span> <span class="nb">type</span><span class="p">(</span><span class="n">nameArray</span><span class="p">))</span>
 <span class="go">nameArray is an object of type: &lt;type &#39;list&#39;&gt;</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="s2">&quot;Data on arrays nameArray and pressureArray:&quot;</span><span class="p">)</span>
 <span class="go">Data on arrays nameArray and pressureArray:</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">pressureObject</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">0</span><span class="p">]):</span>
@@ -948,13 +946,13 @@ <h3>Reading data from Array objects<a class="headerlink" href="#reading-data-fro
 </section>
 </section>
 <section id="commiting-data-to-tables-and-arrays">
-<h2>Commiting data to tables and arrays<a class="headerlink" href="#commiting-data-to-tables-and-arrays" title="Link to this heading">¶</a></h2>
+<h2>Commiting data to tables and arrays<a class="headerlink" href="#commiting-data-to-tables-and-arrays" title="Permalink to this heading">¶</a></h2>
 <p>We have seen how to create tables and arrays and how to browse both data and
 metadata in the object tree. Let’s examine more closely now one of the most
 powerful capabilities of PyTables, namely, how to modify already created
 tables and arrays <a class="footnote-reference brackets" href="#id5" id="id1" role="doc-noteref"><span class="fn-bracket">[</span>1<span class="fn-bracket">]</span></a></p>
 <section id="appending-data-to-an-existing-table">
-<h3>Appending data to an existing table<a class="headerlink" href="#appending-data-to-an-existing-table" title="Link to this heading">¶</a></h3>
+<h3>Appending data to an existing table<a class="headerlink" href="#appending-data-to-an-existing-table" title="Permalink to this heading">¶</a></h3>
 <p>Now, let’s have a look at how we can add records to an existing table on
 disk. Let’s use our well-known <em>readout</em> Table object and append some new
 values to it:</p>
@@ -1009,7 +1007,7 @@ <h3>Appending data to an existing table<a class="headerlink" href="#appending-da
 </div>
 </section>
 <section id="modifying-data-in-tables">
-<h3>Modifying data in tables<a class="headerlink" href="#modifying-data-in-tables" title="Link to this heading">¶</a></h3>
+<h3>Modifying data in tables<a class="headerlink" href="#modifying-data-in-tables" title="Permalink to this heading">¶</a></h3>
 <p>Ok, until now, we’ve been only reading and writing (appending) values to our
 tables. But there are times that you need to modify your data once you have
 saved it on disk (this is specially true when you need to modify the real
@@ -1102,7 +1100,7 @@ <h3>Modifying data in tables<a class="headerlink" href="#modifying-data-in-table
 <code class="docutils literal notranslate"><span class="pre">row._flushModRows()</span></code> just before the <code class="docutils literal notranslate"><span class="pre">break</span></code> statement.</p>
 </section>
 <section id="modifying-data-in-arrays">
-<h3>Modifying data in arrays<a class="headerlink" href="#modifying-data-in-arrays" title="Link to this heading">¶</a></h3>
+<h3>Modifying data in arrays<a class="headerlink" href="#modifying-data-in-arrays" title="Permalink to this heading">¶</a></h3>
 <p>We are now going to see how to modify data in array objects.
 The basic way to do this is through the use of <a class="reference internal" href="libref/homogenous_storage.html#tables.Array.__setitem__" title="tables.Array.__setitem__"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Array.__setitem__()</span></code></a>
 special method. Let’s see how to modify data on the pressureObject array:</p>
@@ -1142,7 +1140,7 @@ <h3>Modifying data in arrays<a class="headerlink" href="#modifying-data-in-array
 </div>
 </section>
 <section id="and-finally-how-to-delete-rows-from-a-table">
-<h3>And finally… how to delete rows from a table<a class="headerlink" href="#and-finally-how-to-delete-rows-from-a-table" title="Link to this heading">¶</a></h3>
+<h3>And finally… how to delete rows from a table<a class="headerlink" href="#and-finally-how-to-delete-rows-from-a-table" title="Permalink to this heading">¶</a></h3>
 <p>We’ll finish this tutorial by deleting some rows from the table we have.
 Suppose that we want to delete the 5th to 9th rows (inclusive):</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">table</span><span class="o">.</span><span class="n">remove_rows</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">10</span><span class="p">)</span>
@@ -1165,19 +1163,19 @@ <h3>And finally… how to delete rows from a table<a class="headerlink" href="#a
 <figure class="align-center" id="id10">
 <span id="tutorial1-2-tableview"></span><img alt="../_images/tutorial1-2-tableview.png" src="../_images/tutorial1-2-tableview.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 2. The final version of the data file for tutorial 1.</strong></span><a class="headerlink" href="#id10" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 2. The final version of the data file for tutorial 1.</strong></span><a class="headerlink" href="#id10" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 <figure class="align-center" id="id11">
 <span id="tutorial1-general"></span><img alt="../_images/tutorial1-general.png" src="../_images/tutorial1-general.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 3. General properties of the /detector/readout table.</strong></span><a class="headerlink" href="#id11" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 3. General properties of the /detector/readout table.</strong></span><a class="headerlink" href="#id11" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 </section>
 </section>
 <section id="multidimensional-table-cells-and-automatic-sanity-checks">
-<span id="secondexample"></span><h2>Multidimensional table cells and automatic sanity checks<a class="headerlink" href="#multidimensional-table-cells-and-automatic-sanity-checks" title="Link to this heading">¶</a></h2>
+<span id="secondexample"></span><h2>Multidimensional table cells and automatic sanity checks<a class="headerlink" href="#multidimensional-table-cells-and-automatic-sanity-checks" title="Permalink to this heading">¶</a></h2>
 <p>Now it’s time for a more real-life example (i.e. with errors in the code). We
 will create two groups that branch directly from the root node, Particles and
 Events. Then, we will put three tables in each group. In Particles we will
@@ -1306,15 +1304,15 @@ <h3>And finally… how to delete rows from a table<a class="headerlink" href="#a
 </pre></div>
 </div>
 <section id="shape-checking">
-<h3>Shape checking<a class="headerlink" href="#shape-checking" title="Link to this heading">¶</a></h3>
+<h3>Shape checking<a class="headerlink" href="#shape-checking" title="Permalink to this heading">¶</a></h3>
 <p>If you look at the code carefully, you’ll see that it won’t work. You will
 get the following error.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>python3<span class="w"> </span>tutorial2.py
-Traceback<span class="w"> </span><span class="o">(</span>most<span class="w"> </span>recent<span class="w"> </span>call<span class="w"> </span>last<span class="o">)</span>:
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;tutorial2.py&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">60</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>&lt;module&gt;
-<span class="w">    </span>particle<span class="o">[</span><span class="s1">&#39;pressure&#39;</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>array<span class="o">(</span>i<span class="w"> </span>*<span class="w"> </span>arange<span class="o">(</span><span class="m">2</span><span class="w"> </span>*<span class="w"> </span><span class="m">3</span><span class="o">))</span>.reshape<span class="o">((</span><span class="m">2</span>,<span class="w"> </span><span class="m">4</span><span class="o">))</span><span class="w">  </span><span class="c1"># Incorrect</span>
-ValueError:<span class="w"> </span>total<span class="w"> </span>size<span class="w"> </span>of<span class="w"> </span>new<span class="w"> </span>array<span class="w"> </span>must<span class="w"> </span>be<span class="w"> </span>unchanged
-Closing<span class="w"> </span>remaining<span class="w"> </span>open<span class="w"> </span>files:<span class="w"> </span>tutorial2.h5...<span class="w"> </span><span class="k">done</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ python3 tutorial2.py
+Traceback <span class="o">(</span>most recent call last<span class="o">)</span>:
+  File <span class="s2">&quot;tutorial2.py&quot;</span>, line <span class="m">60</span>, <span class="k">in</span> &lt;module&gt;
+    particle<span class="o">[</span><span class="s1">&#39;pressure&#39;</span><span class="o">]</span> <span class="o">=</span> array<span class="o">(</span>i * arange<span class="o">(</span><span class="m">2</span> * <span class="m">3</span><span class="o">))</span>.reshape<span class="o">((</span><span class="m">2</span>, <span class="m">4</span><span class="o">))</span>  <span class="c1"># Incorrect</span>
+ValueError: total size of new array must be unchanged
+Closing remaining open files: tutorial2.h5... <span class="k">done</span>
 </pre></div>
 </div>
 <p>This error indicates that you are trying to assign an array with an
@@ -1333,17 +1331,17 @@ <h3>Shape checking<a class="headerlink" href="#shape-checking" title="Link to th
 <em>broadcasting</em>.</p>
 </section>
 <section id="field-name-checking">
-<h3>Field name checking<a class="headerlink" href="#field-name-checking" title="Link to this heading">¶</a></h3>
+<h3>Field name checking<a class="headerlink" href="#field-name-checking" title="Permalink to this heading">¶</a></h3>
 <p>After fixing the previous error and rerunning the program, we encounter
 another error.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>python3<span class="w"> </span>tutorial2.py
-Traceback<span class="w"> </span><span class="o">(</span>most<span class="w"> </span>recent<span class="w"> </span>call<span class="w"> </span>last<span class="o">)</span>:
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;tutorial2.py&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">73</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>?
-<span class="w">    </span>event<span class="o">[</span><span class="s1">&#39;xcoor&#39;</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>float<span class="o">(</span>i<span class="w"> </span>**<span class="w"> </span><span class="m">2</span><span class="o">)</span><span class="w">     </span><span class="c1"># Wrong spelling</span>
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;tableextension.pyx&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">1094</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>tableextension.Row.__setitem__
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;tableextension.pyx&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">127</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>tableextension.get_nested_field_cache
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;utilsextension.pyx&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">331</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>utilsextension.get_nested_field
-KeyError:<span class="w"> </span><span class="s1">&#39;no such column: xcoor&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ python3 tutorial2.py
+Traceback <span class="o">(</span>most recent call last<span class="o">)</span>:
+  File <span class="s2">&quot;tutorial2.py&quot;</span>, line <span class="m">73</span>, <span class="k">in</span> ?
+    event<span class="o">[</span><span class="s1">&#39;xcoor&#39;</span><span class="o">]</span> <span class="o">=</span> float<span class="o">(</span>i ** <span class="m">2</span><span class="o">)</span>     <span class="c1"># Wrong spelling</span>
+  File <span class="s2">&quot;tableextension.pyx&quot;</span>, line <span class="m">1094</span>, <span class="k">in</span> tableextension.Row.__setitem__
+  File <span class="s2">&quot;tableextension.pyx&quot;</span>, line <span class="m">127</span>, <span class="k">in</span> tableextension.get_nested_field_cache
+  File <span class="s2">&quot;utilsextension.pyx&quot;</span>, line <span class="m">331</span>, <span class="k">in</span> utilsextension.get_nested_field
+KeyError: <span class="s1">&#39;no such column: xcoor&#39;</span>
 </pre></div>
 </div>
 <p>This error indicates that we are attempting to assign a value to a
@@ -1356,14 +1354,14 @@ <h3>Field name checking<a class="headerlink" href="#field-name-checking" title="
 field exists and raises a KeyError if the check fails.</p>
 </section>
 <section id="data-type-checking">
-<h3>Data type checking<a class="headerlink" href="#data-type-checking" title="Link to this heading">¶</a></h3>
+<h3>Data type checking<a class="headerlink" href="#data-type-checking" title="Permalink to this heading">¶</a></h3>
 <p>Finally, the last issue which we will find here is a TypeError exception.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>python3<span class="w"> </span>tutorial2.py
-Traceback<span class="w"> </span><span class="o">(</span>most<span class="w"> </span>recent<span class="w"> </span>call<span class="w"> </span>last<span class="o">)</span>:
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;tutorial2.py&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">75</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>?
-<span class="w">    </span>event<span class="o">[</span><span class="s1">&#39;ADCcount&#39;</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">&quot;sss&quot;</span><span class="w">          </span><span class="c1"># Wrong type</span>
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;tableextension.pyx&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">1111</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>tableextension.Row.__setitem__
-TypeError:<span class="w"> </span>invalid<span class="w"> </span><span class="nb">type</span><span class="w"> </span><span class="o">(</span>&lt;<span class="nb">type</span><span class="w"> </span><span class="s1">&#39;str&#39;</span>&gt;<span class="o">)</span><span class="w"> </span><span class="k">for</span><span class="w"> </span>column<span class="w"> </span><span class="sb">``</span>ADCcount<span class="sb">``</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ python3 tutorial2.py
+Traceback <span class="o">(</span>most recent call last<span class="o">)</span>:
+  File <span class="s2">&quot;tutorial2.py&quot;</span>, line <span class="m">75</span>, <span class="k">in</span> ?
+    event<span class="o">[</span><span class="s1">&#39;ADCcount&#39;</span><span class="o">]</span> <span class="o">=</span> <span class="s2">&quot;sss&quot;</span>          <span class="c1"># Wrong type</span>
+  File <span class="s2">&quot;tableextension.pyx&quot;</span>, line <span class="m">1111</span>, <span class="k">in</span> tableextension.Row.__setitem__
+TypeError: invalid <span class="nb">type</span> <span class="o">(</span>&lt;<span class="nb">type</span> <span class="s1">&#39;str&#39;</span>&gt;<span class="o">)</span> <span class="k">for</span> column <span class="sb">``</span>ADCcount<span class="sb">``</span>
 </pre></div>
 </div>
 <p>And, if we change the affected line to read:</p>
@@ -1378,13 +1376,13 @@ <h3>Data type checking<a class="headerlink" href="#data-type-checking" title="Li
 <figure class="align-center" id="id12">
 <span id="tutorial2-tableview"></span><img alt="../_images/tutorial2-tableview.png" src="../_images/tutorial2-tableview.png" />
 <figcaption>
-<p><span class="caption-text"><strong>Figure 4. Table hierarchy for tutorial 2.</strong></span><a class="headerlink" href="#id12" title="Link to this image">¶</a></p>
+<p><span class="caption-text"><strong>Figure 4. Table hierarchy for tutorial 2.</strong></span><a class="headerlink" href="#id12" title="Permalink to this image">¶</a></p>
 </figcaption>
 </figure>
 </section>
 </section>
 <section id="using-links-for-more-convenient-access-to-nodes">
-<span id="linkstutorial"></span><h2>Using links for more convenient access to nodes<a class="headerlink" href="#using-links-for-more-convenient-access-to-nodes" title="Link to this heading">¶</a></h2>
+<span id="linkstutorial"></span><h2>Using links for more convenient access to nodes<a class="headerlink" href="#using-links-for-more-convenient-access-to-nodes" title="Permalink to this heading">¶</a></h2>
 <p>Links are special nodes that can be used to create additional paths to your
 existing nodes.  PyTables supports three kinds of links: hard links, soft
 links (aka symbolic links) and external links.</p>
@@ -1405,7 +1403,7 @@ <h3>Data type checking<a class="headerlink" href="#data-type-checking" title="Li
 file.  They are represented by the ExternalLink class and, like soft links,
 you need to dereference them in order to get access to the pointed node.</p>
 <section id="interactive-example">
-<h3>Interactive example<a class="headerlink" href="#interactive-example" title="Link to this heading">¶</a></h3>
+<h3>Interactive example<a class="headerlink" href="#interactive-example" title="Permalink to this heading">¶</a></h3>
 <p>Now we are going to learn how to deal with links. You can find the code used
 in this section in <code class="file docutils literal notranslate"><span class="pre">examples/links.py</span></code>.</p>
 <p>First, let’s create a file with some group structure:</p>
@@ -1539,7 +1537,7 @@ <h3>Interactive example<a class="headerlink" href="#interactive-example" title="
 </section>
 </section>
 <section id="exercising-the-undo-redo-feature">
-<h2>Exercising the Undo/Redo feature<a class="headerlink" href="#exercising-the-undo-redo-feature" title="Link to this heading">¶</a></h2>
+<h2>Exercising the Undo/Redo feature<a class="headerlink" href="#exercising-the-undo-redo-feature" title="Permalink to this heading">¶</a></h2>
 <p>PyTables has integrated support for undoing and/or redoing actions. This
 functionality lets you put marks in specific places of your hierarchy
 manipulation operations, so that you can make your HDF5 file pop back
@@ -1564,7 +1562,7 @@ <h2>Exercising the Undo/Redo feature<a class="headerlink" href="#exercising-the-
 devise many other scenarios where the Undo/Redo feature can be useful to you
 <a class="footnote-reference brackets" href="#id7" id="id3" role="doc-noteref"><span class="fn-bracket">[</span>3<span class="fn-bracket">]</span></a>.</p>
 <section id="a-basic-example">
-<h3>A basic example<a class="headerlink" href="#a-basic-example" title="Link to this heading">¶</a></h3>
+<h3>A basic example<a class="headerlink" href="#a-basic-example" title="Permalink to this heading">¶</a></h3>
 <p>In this section, we are going to show the basic behavior of the Undo/Redo
 feature. You can find the code used in this example in
 <code class="file docutils literal notranslate"><span class="pre">examples/tutorial3-1.py</span></code>. A somewhat more complex example will be
@@ -1696,7 +1694,7 @@ <h3>A basic example<a class="headerlink" href="#a-basic-example" title="Link to
 file.</p>
 </section>
 <section id="a-more-complete-example">
-<h3>A more complete example<a class="headerlink" href="#a-more-complete-example" title="Link to this heading">¶</a></h3>
+<h3>A more complete example<a class="headerlink" href="#a-more-complete-example" title="Permalink to this heading">¶</a></h3>
 <p>Now, time for a somewhat more sophisticated demonstration of the Undo/Redo
 feature. In it, several marks will be set in different parts of the code flow
 and we will see how to jump between these marks with just one method call.
@@ -1805,7 +1803,7 @@ <h3>A more complete example<a class="headerlink" href="#a-more-complete-example"
 </section>
 </section>
 <section id="using-enumerated-types">
-<h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" title="Link to this heading">¶</a></h2>
+<h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" title="Permalink to this heading">¶</a></h2>
 <p>PyTables includes support for handling enumerated types. Those types are
 defined by providing an exhaustive <em>set</em> or <em>list</em> of possible, named values
 for a variable of that type. Enumerated variables of the same type are
@@ -1846,9 +1844,9 @@ <h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" t
 <span class="gt">Traceback (most recent call last):</span>
   File <span class="nb">&quot;&lt;stdin&gt;&quot;</span>, line <span class="m">1</span>, in <span class="n">?</span>
   File <span class="nb">&quot;.../tables/misc/enum.py&quot;</span>, line <span class="m">230</span>, in <span class="n">__getattr__</span>
-<span class="w">    </span><span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">(</span>\<span class="o">*</span><span class="n">ke</span><span class="o">.</span><span class="n">args</span><span class="p">)</span>
+    <span class="k">raise</span> <span class="ne">AttributeError</span><span class="p">(</span>\<span class="o">*</span><span class="n">ke</span><span class="o">.</span><span class="n">args</span><span class="p">)</span>
 <span class="gr">AttributeError</span>: <span class="n">no enumerated value with that name: &#39;yellow&#39;</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="s2">&quot;Value of &#39;red&#39; and &#39;white&#39;:&quot;</span><span class="p">,</span> <span class="p">(</span><span class="n">colors</span><span class="p">[</span><span class="s1">&#39;red&#39;</span><span class="p">],</span> <span class="n">colors</span><span class="p">[</span><span class="s1">&#39;white&#39;</span><span class="p">]))</span>
 <span class="go">Value of &#39;red&#39; and &#39;white&#39;: (0, 3)</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="s2">&quot;Value of &#39;yellow&#39;:&quot;</span><span class="p">,</span> <span class="n">colors</span><span class="p">[</span><span class="s1">&#39;yellow&#39;</span><span class="p">])</span>
@@ -1856,7 +1854,7 @@ <h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" t
 <span class="gt">Traceback (most recent call last):</span>
   File <span class="nb">&quot;&lt;stdin&gt;&quot;</span>, line <span class="m">1</span>, in <span class="n">?</span>
   File <span class="nb">&quot;.../tables/misc/enum.py&quot;</span>, line <span class="m">189</span>, in <span class="n">__getitem__</span>
-<span class="w">    </span><span class="k">raise</span> <span class="ne">KeyError</span><span class="p">(</span><span class="s2">&quot;no enumerated value with that name: </span><span class="si">%r</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">,))</span>
+    <span class="k">raise</span> <span class="ne">KeyError</span><span class="p">(</span><span class="s2">&quot;no enumerated value with that name: </span><span class="si">%r</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">name</span><span class="p">,))</span>
 <span class="gr">KeyError</span>: <span class="n">&quot;no enumerated value with that name: &#39;yellow&#39;&quot;</span>
 </pre></div>
 </div>
@@ -1870,7 +1868,7 @@ <h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" t
 <span class="gt">Traceback (most recent call last):</span>
   File <span class="nb">&quot;&lt;stdin&gt;&quot;</span>, line <span class="m">1</span>, in <span class="n">?</span>
   File <span class="nb">&quot;.../tables/misc/enum.py&quot;</span>, line <span class="m">320</span>, in <span class="n">__call__</span>
-<span class="w">    </span><span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
+    <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
 <span class="gr">ValueError</span>: <span class="n">no enumerated value with that concrete value: 1234</span>
 </pre></div>
 </div>
@@ -1878,7 +1876,7 @@ <h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" t
 value into a name in the enumeration. Of course, values out of the
 enumeration can not be converted.</p>
 <section id="enumerated-columns">
-<h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Link to this heading">¶</a></h3>
+<h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Permalink to this heading">¶</a></h3>
 <p>Columns of an enumerated type can be declared by using the EnumCol (see
 <a class="reference internal" href="libref/declarative_classes.html#colclassdescr"><span class="std std-ref">The Col class and its descendants</span></a>) class. To see how this works, let us open a new
 PyTables file and create a table to collect the simulated results of a
@@ -1889,7 +1887,7 @@ <h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Li
 <span class="gp">... </span>    <span class="n">ballTime</span> <span class="o">=</span> <span class="n">tables</span><span class="o">.</span><span class="n">Time32Col</span><span class="p">()</span>
 <span class="gp">... </span>    <span class="n">ballColor</span> <span class="o">=</span> <span class="n">tables</span><span class="o">.</span><span class="n">EnumCol</span><span class="p">(</span><span class="n">colors</span><span class="p">,</span> <span class="s1">&#39;black&#39;</span><span class="p">,</span> <span class="n">base</span><span class="o">=</span><span class="s1">&#39;uint8&#39;</span><span class="p">)</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">tbl</span> <span class="o">=</span> <span class="n">h5f</span><span class="o">.</span><span class="n">create_table</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">,</span> <span class="s1">&#39;extractions&#39;</span><span class="p">,</span> <span class="n">BallExt</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="s2">&quot;Random ball extractions&quot;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>We declared the ballColor column to be of the enumerated type colors, with a
@@ -1904,7 +1902,7 @@ <h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Li
 <span class="gp">... </span>    <span class="n">row</span><span class="p">[</span><span class="s1">&#39;ballTime&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">now</span> <span class="o">+</span> <span class="n">i</span>
 <span class="gp">... </span>    <span class="n">row</span><span class="p">[</span><span class="s1">&#39;ballColor&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">colors</span><span class="p">[</span><span class="n">random</span><span class="o">.</span><span class="n">choice</span><span class="p">(</span><span class="n">colorList</span><span class="p">)]</span>  <span class="c1"># take note of this</span>
 <span class="gp">... </span>    <span class="n">row</span><span class="o">.</span><span class="n">append</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt;</span>
+<span class="go">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>Notice how we used the __getitem__() call of colors to get the concrete value
@@ -1916,7 +1914,7 @@ <h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Li
   File <span class="nb">&quot;&lt;stdin&gt;&quot;</span>, line <span class="m">1</span>, in <span class="n">&lt;module&gt;</span>
   File <span class="nb">&quot;tableextension.pyx&quot;</span>, line <span class="m">1086</span>, in <span class="n">tableextension.Row.__setitem__</span>
   File <span class="nb">&quot;.../tables/misc/enum.py&quot;</span>, line <span class="m">320</span>, in <span class="n">__call__</span>
-<span class="w">    </span><span class="s2">&quot;no enumerated value with that concrete value: </span><span class="si">%r</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">value</span><span class="p">,))</span>
+    <span class="s2">&quot;no enumerated value with that concrete value: </span><span class="si">%r</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">value</span><span class="p">,))</span>
 <span class="gr">ValueError</span>: <span class="n">no enumerated value with that concrete value: 1234</span>
 </pre></div>
 </div>
@@ -1945,7 +1943,7 @@ <h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Li
 (see <a class="reference internal" href="libref/structured_storage.html#tables.Table.get_enum" title="tables.Table.get_enum"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Table.get_enum()</span></code></a>) to get the enumeration back.</p>
 </section>
 <section id="enumerated-arrays">
-<h3>Enumerated arrays<a class="headerlink" href="#enumerated-arrays" title="Link to this heading">¶</a></h3>
+<h3>Enumerated arrays<a class="headerlink" href="#enumerated-arrays" title="Permalink to this heading">¶</a></h3>
 <p>EArray and VLArray leaves can also be declared to store enumerated values by
 means of the EnumAtom (see <a class="reference internal" href="libref/declarative_classes.html#atomclassdescr"><span class="std std-ref">The Atom class and its descendants</span></a>) class, which works very
 much like EnumCol for tables. Also, Array leaves can be used to open native
@@ -1977,13 +1975,13 @@ <h3>Enumerated arrays<a class="headerlink" href="#enumerated-arrays" title="Link
 enumerated values.</p>
 <p>Finally, we will print contents of the array:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="k">for</span> <span class="p">(</span><span class="n">d1</span><span class="p">,</span> <span class="n">d2</span><span class="p">)</span> <span class="ow">in</span> <span class="n">earr</span><span class="p">:</span>
-<span class="gp">... </span>    <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;From </span><span class="si">{</span><span class="n">wdays</span><span class="p">(</span><span class="n">d1</span><span class="p">)</span><span class="w"> </span><span class="n">to</span><span class="w"> </span><span class="p">{</span><span class="n">wdays</span><span class="p">(</span><span class="n">d2</span><span class="p">)</span><span class="w"> </span><span class="p">({</span><span class="n">d2</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">d1</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">}</span><span class="w"> </span><span class="n">days</span><span class="p">)</span><span class="o">.</span><span class="s2">&quot;)</span>
+<span class="gp">... </span>    <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;From </span><span class="si">{</span><span class="n">wdays</span><span class="p">(</span><span class="n">d1</span><span class="p">)</span> <span class="n">to</span> <span class="p">{</span><span class="n">wdays</span><span class="p">(</span><span class="n">d2</span><span class="p">)</span> <span class="p">({</span><span class="n">d2</span> <span class="o">-</span> <span class="n">d1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">}</span> <span class="n">days</span><span class="p">)</span><span class="o">.</span><span class="s2">&quot;)</span>
 <span class="go">From Mon to Fri (5 days).</span>
 <span class="go">From Wed to Fri (3 days).</span>
 <span class="gt">Traceback (most recent call last):</span>
   File <span class="nb">&quot;&lt;stdin&gt;&quot;</span>, line <span class="m">2</span>, in <span class="n">&lt;module&gt;</span>
   File <span class="nb">&quot;.../tables/misc/enum.py&quot;</span>, line <span class="m">320</span>, in <span class="n">__call__</span>
-<span class="w">    </span><span class="s2">&quot;no enumerated value with that concrete value: </span><span class="si">%r</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">value</span><span class="p">,))</span>
+    <span class="s2">&quot;no enumerated value with that concrete value: </span><span class="si">%r</span><span class="s2">&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">value</span><span class="p">,))</span>
 <span class="gr">ValueError</span>: <span class="n">no enumerated value with that concrete value: 1234</span>
 </pre></div>
 </div>
@@ -1998,7 +1996,7 @@ <h3>Enumerated arrays<a class="headerlink" href="#enumerated-arrays" title="Link
 </section>
 </section>
 <section id="nested-structures-in-tables">
-<h2>Nested structures in tables<a class="headerlink" href="#nested-structures-in-tables" title="Link to this heading">¶</a></h2>
+<h2>Nested structures in tables<a class="headerlink" href="#nested-structures-in-tables" title="Permalink to this heading">¶</a></h2>
 <p>PyTables supports handling of nested structures (or, in other words, nested datatypes)
 in table objects, allowing you to define nested columns of arbitrary depth.</p>
 <p>Why is that useful? Suppose your data has a certain structure on the column level,
@@ -2009,7 +2007,7 @@ <h2>Nested structures in tables<a class="headerlink" href="#nested-structures-in
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">tables</span> <span class="k">as</span> <span class="nn">tb</span>
 
 <span class="k">class</span> <span class="nc">Info</span><span class="p">(</span><span class="n">tb</span><span class="o">.</span><span class="n">IsDescription</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;A sub-structure of NestedDescr&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;A sub-structure of NestedDescr&quot;&quot;&quot;</span>
     <span class="n">_v_pos</span> <span class="o">=</span> <span class="mi">2</span>   <span class="c1"># The position in the whole structure</span>
     <span class="n">name</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">StringCol</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span>
     <span class="n">value</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">Float64Col</span><span class="p">(</span><span class="n">pos</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
@@ -2017,7 +2015,7 @@ <h2>Nested structures in tables<a class="headerlink" href="#nested-structures-in
 <span class="n">colors</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">Enum</span><span class="p">([</span><span class="s1">&#39;red&#39;</span><span class="p">,</span> <span class="s1">&#39;green&#39;</span><span class="p">,</span> <span class="s1">&#39;blue&#39;</span><span class="p">])</span>
 
 <span class="k">class</span> <span class="nc">NestedDescr</span><span class="p">(</span><span class="n">tb</span><span class="o">.</span><span class="n">IsDescription</span><span class="p">):</span>
-<span class="w">    </span><span class="sd">&quot;&quot;&quot;A description that has several nested columns&quot;&quot;&quot;</span>
+    <span class="sd">&quot;&quot;&quot;A description that has several nested columns&quot;&quot;&quot;</span>
     <span class="n">color</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">EnumCol</span><span class="p">(</span><span class="n">colors</span><span class="p">,</span> <span class="s1">&#39;red&#39;</span><span class="p">,</span> <span class="n">base</span><span class="o">=</span><span class="s1">&#39;uint32&#39;</span><span class="p">)</span>
     <span class="n">info1</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">Info</span><span class="p">()</span>
 
@@ -2033,7 +2031,7 @@ <h2>Nested structures in tables<a class="headerlink" href="#nested-structures-in
 </div>
 <p>NestedDescr is the root class with two <em>substructures</em> in it: info1 and info2. Note info1 is an instance of class Info which is defined prior to NestedDescr. info2 is declared within NestedDescr. Also, there is a third substructure, info3, that is in turn declared within substructure info2. You can define positions of substructures in the containing object by declaring special class attribute _v_pos.</p>
 <section id="creating-nested-tables">
-<h3>Creating nested tables<a class="headerlink" href="#creating-nested-tables" title="Link to this heading">¶</a></h3>
+<h3>Creating nested tables<a class="headerlink" href="#creating-nested-tables" title="Permalink to this heading">¶</a></h3>
 <p>Now that we have defined our nested structure, let’s create a <em>nested</em> table,
 that is a table with columns which contain subcolumns:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">fileh</span> <span class="o">=</span> <span class="n">tb</span><span class="o">.</span><span class="n">open_file</span><span class="p">(</span><span class="s2">&quot;nested-tut.h5&quot;</span><span class="p">,</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span>
@@ -2057,7 +2055,7 @@ <h3>Creating nested tables<a class="headerlink" href="#creating-nested-tables" t
 <p>As demonstrated above, substructure’s field can be accessed by specifying its full path as defined in the table hierarchy.</p>
 </section>
 <section id="reading-nested-tables">
-<h3>Reading nested tables<a class="headerlink" href="#reading-nested-tables" title="Link to this heading">¶</a></h3>
+<h3>Reading nested tables<a class="headerlink" href="#reading-nested-tables" title="Permalink to this heading">¶</a></h3>
 <p>Now, what happens if we want to read the table? What kind of data container
 would we get? Let’s find out:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">nra</span> <span class="o">=</span> <span class="n">table</span><span class="p">[::</span><span class="mi">4</span><span class="p">]</span>
@@ -2104,7 +2102,7 @@ <h3>Reading nested tables<a class="headerlink" href="#reading-nested-tables" tit
 access it.</p>
 </section>
 <section id="using-cols-accessor">
-<h3>Using Cols accessor<a class="headerlink" href="#using-cols-accessor" title="Link to this heading">¶</a></h3>
+<h3>Using Cols accessor<a class="headerlink" href="#using-cols-accessor" title="Permalink to this heading">¶</a></h3>
 <p>We can use cols attribute object (see <a class="reference internal" href="libref/structured_storage.html#colsclassdescr"><span class="std std-ref">The Cols class</span></a>) of the table
 to conveniently access data stored in a substructure:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">table</span><span class="o">.</span><span class="n">cols</span><span class="o">.</span><span class="n">info2</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="mi">5</span><span class="p">]</span>
@@ -2142,7 +2140,7 @@ <h3>Using Cols accessor<a class="headerlink" href="#using-cols-accessor" title="
 in nested tables. Don’t hesitate to use it, especially when doing interactive work.</p>
 </section>
 <section id="accessing-meta-information-of-nested-tables">
-<h3>Accessing meta-information of nested tables<a class="headerlink" href="#accessing-meta-information-of-nested-tables" title="Link to this heading">¶</a></h3>
+<h3>Accessing meta-information of nested tables<a class="headerlink" href="#accessing-meta-information-of-nested-tables" title="Permalink to this heading">¶</a></h3>
 <p>Tables have a <em>description</em> attribute, which returns an instance of
 the Description class (see <a class="reference internal" href="libref/structured_storage.html#descriptionclassdescr"><span class="std std-ref">The Description class</span></a>) with table meta-data.
 It can be helpful in understanding the table structure, including nested columns:</p>
@@ -2234,28 +2232,28 @@ <h3>Accessing meta-information of nested tables<a class="headerlink" href="#acce
 </pre></div>
 </div>
 <p>Finally, you may want to have a look at your resulting data file.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>-d<span class="w"> </span>nested-tut.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/table<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">13</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-<span class="w">  </span>Data<span class="w"> </span>dump:
-<span class="o">[</span><span class="m">0</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">0</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-0&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-0&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>0L<span class="o">)</span>
-<span class="o">[</span><span class="m">1</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">1</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-1&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-1&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>1L<span class="o">)</span>
-<span class="o">[</span><span class="m">2</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">2</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-2&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-2&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>2L<span class="o">)</span>
-<span class="o">[</span><span class="m">3</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">3</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-3&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-3&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>0L<span class="o">)</span>
-<span class="o">[</span><span class="m">4</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">4</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-4&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-4&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>1L<span class="o">)</span>
-<span class="o">[</span><span class="m">5</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">5</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-5&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-5&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>2L<span class="o">)</span>
-<span class="o">[</span><span class="m">6</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">6</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-6&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-6&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>0L<span class="o">)</span>
-<span class="o">[</span><span class="m">7</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">7</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-7&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-7&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>1L<span class="o">)</span>
-<span class="o">[</span><span class="m">8</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">8</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-8&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-8&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>2L<span class="o">)</span>
-<span class="o">[</span><span class="m">9</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">9</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-9&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-9&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>0L<span class="o">)</span>
-<span class="o">[</span><span class="m">10</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">0</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-0&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-0&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>0L<span class="o">)</span>
-<span class="o">[</span><span class="m">11</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">4</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-4&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-4&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>1L<span class="o">)</span>
-<span class="o">[</span><span class="m">12</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">8</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-8&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-8&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>2L<span class="o">)</span>
-/table2<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-<span class="w">  </span>Data<span class="w"> </span>dump:
-<span class="o">[</span><span class="m">0</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">0</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-0&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-0&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>0L<span class="o">)</span>
-<span class="o">[</span><span class="m">1</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">4</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-4&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-4&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>1L<span class="o">)</span>
-<span class="o">[</span><span class="m">2</span><span class="o">]</span><span class="w"> </span><span class="o">(((</span><span class="m">1</span>.0,<span class="w"> </span><span class="m">8</span><span class="o">)</span>,<span class="w"> </span><span class="s1">&#39;name2-8&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span><span class="o">(</span><span class="s1">&#39;name1-8&#39;</span>,<span class="w"> </span><span class="m">0</span>.0<span class="o">)</span>,<span class="w"> </span>2L<span class="o">)</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump -d nested-tut.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/table <span class="o">(</span>Table<span class="o">(</span><span class="m">13</span>,<span class="o">))</span> <span class="s1">&#39;&#39;</span>
+  Data dump:
+<span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">0</span><span class="o">)</span>, <span class="s1">&#39;name2-0&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-0&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 0L<span class="o">)</span>
+<span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">1</span><span class="o">)</span>, <span class="s1">&#39;name2-1&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-1&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 1L<span class="o">)</span>
+<span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">2</span><span class="o">)</span>, <span class="s1">&#39;name2-2&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-2&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 2L<span class="o">)</span>
+<span class="o">[</span><span class="m">3</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">3</span><span class="o">)</span>, <span class="s1">&#39;name2-3&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-3&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 0L<span class="o">)</span>
+<span class="o">[</span><span class="m">4</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">4</span><span class="o">)</span>, <span class="s1">&#39;name2-4&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-4&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 1L<span class="o">)</span>
+<span class="o">[</span><span class="m">5</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">5</span><span class="o">)</span>, <span class="s1">&#39;name2-5&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-5&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 2L<span class="o">)</span>
+<span class="o">[</span><span class="m">6</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">6</span><span class="o">)</span>, <span class="s1">&#39;name2-6&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-6&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 0L<span class="o">)</span>
+<span class="o">[</span><span class="m">7</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">7</span><span class="o">)</span>, <span class="s1">&#39;name2-7&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-7&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 1L<span class="o">)</span>
+<span class="o">[</span><span class="m">8</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">8</span><span class="o">)</span>, <span class="s1">&#39;name2-8&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-8&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 2L<span class="o">)</span>
+<span class="o">[</span><span class="m">9</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">9</span><span class="o">)</span>, <span class="s1">&#39;name2-9&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-9&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 0L<span class="o">)</span>
+<span class="o">[</span><span class="m">10</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">0</span><span class="o">)</span>, <span class="s1">&#39;name2-0&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-0&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 0L<span class="o">)</span>
+<span class="o">[</span><span class="m">11</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">4</span><span class="o">)</span>, <span class="s1">&#39;name2-4&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-4&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 1L<span class="o">)</span>
+<span class="o">[</span><span class="m">12</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">8</span><span class="o">)</span>, <span class="s1">&#39;name2-8&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-8&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 2L<span class="o">)</span>
+/table2 <span class="o">(</span>Table<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;&#39;</span>
+  Data dump:
+<span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">0</span><span class="o">)</span>, <span class="s1">&#39;name2-0&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-0&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 0L<span class="o">)</span>
+<span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">4</span><span class="o">)</span>, <span class="s1">&#39;name2-4&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-4&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 1L<span class="o">)</span>
+<span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">(((</span><span class="m">1</span>.0, <span class="m">8</span><span class="o">)</span>, <span class="s1">&#39;name2-8&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, <span class="o">(</span><span class="s1">&#39;name1-8&#39;</span>, <span class="m">0</span>.0<span class="o">)</span>, 2L<span class="o">)</span>
 </pre></div>
 </div>
 <p>Most of the code in this section is also available in
@@ -2265,7 +2263,7 @@ <h3>Accessing meta-information of nested tables<a class="headerlink" href="#acce
 </section>
 </section>
 <section id="other-examples-in-pytables-distribution">
-<h2>Other examples in PyTables distribution<a class="headerlink" href="#other-examples-in-pytables-distribution" title="Link to this heading">¶</a></h2>
+<h2>Other examples in PyTables distribution<a class="headerlink" href="#other-examples-in-pytables-distribution" title="Permalink to this heading">¶</a></h2>
 <p>Feel free to examine the rest of examples in directory <code class="file docutils literal notranslate"><span class="pre">examples/</span></code>, and
 try to understand them. We have written several practical sample scripts to
 give you an idea of the PyTables capabilities, its way of dealing with HDF5
diff --git a/usersguide/usersguide.html b/usersguide/usersguide.html
index e7ec795..9dbe2da 100644
--- a/usersguide/usersguide.html
+++ b/usersguide/usersguide.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>PyTables User’s Guide &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -37,19 +39,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -81,8 +79,8 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-      <li class="breadcrumb-item active">PyTables User’s Guide</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+      <li>PyTables User’s Guide</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/usersguide.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -93,7 +91,7 @@
            <div itemprop="articleBody">
              
   <section id="pytables-user-s-guide">
-<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Link to this heading">¶</a></h1>
+<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Permalink to this heading">¶</a></h1>
 <dl class="field-list">
 <dt class="field-odd">Authors<span class="colon">:</span></dt>
 <dd class="field-odd"><p>Francesc Alted, Ivan Vilata, Scott Prater, Vicent Mas, Tom Hedley,
@@ -106,7 +104,7 @@ <h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" t
 <p>© 2011–2023 - PyTables maintainers</p>
 </dd>
 <dt class="field-odd">Date<span class="colon">:</span></dt>
-<dd class="field-odd"><p>Oct 04, 2023</p>
+<dd class="field-odd"><p>Oct 05, 2023</p>
 </dd>
 <dt class="field-even">Version<span class="colon">:</span></dt>
 <dd class="field-even"><p>3.9.0</p>
@@ -140,7 +138,7 @@ <h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" t
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</p>
 <section id="the-pytables-core-library">
-<h2>The PyTables Core Library<a class="headerlink" href="#the-pytables-core-library" title="Link to this heading">¶</a></h2>
+<h2>The PyTables Core Library<a class="headerlink" href="#the-pytables-core-library" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="introduction.html">Introduction</a></li>
@@ -152,7 +150,7 @@ <h2>The PyTables Core Library<a class="headerlink" href="#the-pytables-core-libr
 </div>
 </section>
 <section id="complementary-modules">
-<h2>Complementary modules<a class="headerlink" href="#complementary-modules" title="Link to this heading">¶</a></h2>
+<h2>Complementary modules<a class="headerlink" href="#complementary-modules" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="filenode.html">filenode - simulating a filesystem with PyTables</a></li>
@@ -160,7 +158,7 @@ <h2>Complementary modules<a class="headerlink" href="#complementary-modules" tit
 </div>
 </section>
 <section id="appendixes">
-<h2>Appendixes<a class="headerlink" href="#appendixes" title="Link to this heading">¶</a></h2>
+<h2>Appendixes<a class="headerlink" href="#appendixes" title="Permalink to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="datatypes.html">Supported data types in PyTables</a></li>
diff --git a/usersguide/utilities.html b/usersguide/utilities.html
index 500c564..4e3526f 100644
--- a/usersguide/utilities.html
+++ b/usersguide/utilities.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Utilities &mdash; PyTables 3.9.0 documentation</title>
@@ -12,9 +12,11 @@
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
-        <script src="../_static/doctools.js?v=888ff710"></script>
-        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
+        <script src="../_static/jquery.js"></script>
+        <script src="../_static/underscore.js"></script>
+        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
+        <script src="../_static/doctools.js"></script>
     <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
@@ -39,19 +41,15 @@
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-
-          
-          
-          <a href="../index.html">
-            
-              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
+            <a href="../index.html">
+            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
               <div class="version">
                 3.9.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
@@ -83,9 +81,9 @@
         <div class="rst-content">
           <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
-          <li class="breadcrumb-item"><a href="index.html">PyTables User’s Guide</a></li>
-      <li class="breadcrumb-item active">Utilities</li>
+      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
+          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
+      <li>Utilities</li>
       <li class="wy-breadcrumbs-aside">
             <a href="../_sources/usersguide/utilities.rst.txt" rel="nofollow"> View page source</a>
       </li>
@@ -96,7 +94,7 @@
            <div itemprop="articleBody">
              
   <section id="utilities">
-<h1>Utilities<a class="headerlink" href="#utilities" title="Link to this heading">¶</a></h1>
+<h1>Utilities<a class="headerlink" href="#utilities" title="Permalink to this heading">¶</a></h1>
 <p>PyTables comes with a couple of utilities that make the life easier to the
 user. One is called ptdump and lets you see the contents of a PyTables file
 (or generic HDF5 file, if supported). The other one is named ptrepack that
@@ -108,73 +106,73 @@ <h1>Utilities<a class="headerlink" href="#utilities" title="Link to this heading
 from any place in your file system after the installation has successfully
 finished.</p>
 <section id="ptdump">
-<h2>ptdump<a class="headerlink" href="#ptdump" title="Link to this heading">¶</a></h2>
+<h2>ptdump<a class="headerlink" href="#ptdump" title="Permalink to this heading">¶</a></h2>
 <p>As has been said before, ptdump utility allows you look into the contents of
 your PyTables files. It lets you see not only the data but also the metadata
 (that is, the <em>structure</em> and additional information in the form of
 <em>attributes</em>).</p>
 <section id="usage">
-<h3>Usage<a class="headerlink" href="#usage" title="Link to this heading">¶</a></h3>
+<h3>Usage<a class="headerlink" href="#usage" title="Permalink to this heading">¶</a></h3>
 <p>For instructions on how to use it, just pass the -h flag to the command:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>-h
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump -h
 </pre></div>
 </div>
 <p>to see the message usage:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage:<span class="w"> </span>ptdump<span class="w"> </span><span class="o">[</span>-h<span class="o">]</span><span class="w"> </span><span class="o">[</span>-v<span class="o">]</span><span class="w"> </span><span class="o">[</span>-d<span class="o">]</span><span class="w"> </span><span class="o">[</span>-a<span class="o">]</span><span class="w"> </span><span class="o">[</span>-s<span class="o">]</span><span class="w"> </span><span class="o">[</span>-c<span class="o">]</span><span class="w"> </span><span class="o">[</span>-i<span class="o">]</span><span class="w"> </span><span class="o">[</span>-R<span class="w"> </span>RANGE<span class="o">]</span>
-<span class="w">              </span>filename<span class="o">[</span>:nodepath<span class="o">]</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage: ptdump <span class="o">[</span>-h<span class="o">]</span> <span class="o">[</span>-v<span class="o">]</span> <span class="o">[</span>-d<span class="o">]</span> <span class="o">[</span>-a<span class="o">]</span> <span class="o">[</span>-s<span class="o">]</span> <span class="o">[</span>-c<span class="o">]</span> <span class="o">[</span>-i<span class="o">]</span> <span class="o">[</span>-R RANGE<span class="o">]</span>
+              filename<span class="o">[</span>:nodepath<span class="o">]</span>
 
-The<span class="w"> </span>ptdump<span class="w"> </span>utility<span class="w"> </span>allows<span class="w"> </span>you<span class="w"> </span>look<span class="w"> </span>into<span class="w"> </span>the<span class="w"> </span>contents<span class="w"> </span>of<span class="w"> </span>your<span class="w"> </span>PyTables<span class="w"> </span>files.
-It<span class="w"> </span>lets<span class="w"> </span>you<span class="w"> </span>see<span class="w"> </span>not<span class="w"> </span>only<span class="w"> </span>the<span class="w"> </span>data<span class="w"> </span>but<span class="w"> </span>also<span class="w"> </span>the<span class="w"> </span>metadata<span class="w"> </span><span class="o">(</span>that<span class="w"> </span>is,<span class="w"> </span>the
-*structure*<span class="w"> </span>and<span class="w"> </span>additional<span class="w"> </span>information<span class="w"> </span><span class="k">in</span><span class="w"> </span>the<span class="w"> </span>form<span class="w"> </span>of<span class="w"> </span>*attributes*<span class="o">)</span>.
+The ptdump utility allows you look into the contents of your PyTables files.
+It lets you see not only the data but also the metadata <span class="o">(</span>that is, the
+*structure* and additional information <span class="k">in</span> the form of *attributes*<span class="o">)</span>.
 
-positional<span class="w"> </span>arguments:
-<span class="w">  </span>filename<span class="o">[</span>:nodepath<span class="o">]</span><span class="w">   </span>name<span class="w"> </span>of<span class="w"> </span>the<span class="w"> </span>HDF5<span class="w"> </span>file<span class="w"> </span>to<span class="w"> </span>dump
+positional arguments:
+  filename<span class="o">[</span>:nodepath<span class="o">]</span>   name of the HDF5 file to dump
 
-optional<span class="w"> </span>arguments:
-<span class="w">  </span>-h,<span class="w"> </span>--help<span class="w">            </span>show<span class="w"> </span>this<span class="w"> </span><span class="nb">help</span><span class="w"> </span>message<span class="w"> </span>and<span class="w"> </span><span class="nb">exit</span>
-<span class="w">  </span>-v,<span class="w"> </span>--verbose<span class="w">         </span>dump<span class="w"> </span>more<span class="w"> </span>metainformation<span class="w"> </span>on<span class="w"> </span>nodes
-<span class="w">  </span>-d,<span class="w"> </span>--dump<span class="w">            </span>dump<span class="w"> </span>data<span class="w"> </span>information<span class="w"> </span>on<span class="w"> </span>leaves
-<span class="w">  </span>-a,<span class="w"> </span>--showattrs<span class="w">       </span>show<span class="w"> </span>attributes<span class="w"> </span><span class="k">in</span><span class="w"> </span>nodes<span class="w"> </span><span class="o">(</span>only<span class="w"> </span>useful<span class="w"> </span>when<span class="w"> </span>-v<span class="w"> </span>or<span class="w"> </span>-d
-<span class="w">                        </span>are<span class="w"> </span>active<span class="o">)</span>
-<span class="w">  </span>-s,<span class="w"> </span>--sort<span class="w">            </span>sort<span class="w"> </span>output<span class="w"> </span>by<span class="w"> </span>node<span class="w"> </span>name
-<span class="w">  </span>-c,<span class="w"> </span>--colinfo<span class="w">         </span>show<span class="w"> </span>info<span class="w"> </span>of<span class="w"> </span>columns<span class="w"> </span><span class="k">in</span><span class="w"> </span>tables<span class="w"> </span><span class="o">(</span>only<span class="w"> </span>useful<span class="w"> </span>when<span class="w"> </span>-v<span class="w"> </span>or
-<span class="w">                        </span>-d<span class="w"> </span>are<span class="w"> </span>active<span class="o">)</span>
-<span class="w">  </span>-i,<span class="w"> </span>--idxinfo<span class="w">         </span>show<span class="w"> </span>info<span class="w"> </span>of<span class="w"> </span>indexed<span class="w"> </span>columns<span class="w"> </span><span class="o">(</span>only<span class="w"> </span>useful<span class="w"> </span>when<span class="w"> </span>-v<span class="w"> </span>or
-<span class="w">                        </span>-d<span class="w"> </span>are<span class="w"> </span>active<span class="o">)</span>
-<span class="w">  </span>-R<span class="w"> </span>RANGE,<span class="w"> </span>--range<span class="w"> </span>RANGE
-<span class="w">                        </span><span class="k">select</span><span class="w"> </span>a<span class="w"> </span>RANGE<span class="w"> </span>of<span class="w"> </span>rows<span class="w"> </span><span class="o">(</span><span class="k">in</span><span class="w"> </span>the<span class="w"> </span>form<span class="w"> </span><span class="s2">&quot;start,stop,step&quot;</span><span class="o">)</span>
-<span class="w">                        </span>during<span class="w"> </span>the<span class="w"> </span>copy<span class="w"> </span>of<span class="w"> </span>*all*<span class="w"> </span>the<span class="w"> </span>leaves.<span class="w"> </span>Default<span class="w"> </span>values
-<span class="w">                        </span>are<span class="w"> </span><span class="s2">&quot;None,None,1&quot;</span>,<span class="w"> </span>which<span class="w"> </span>means<span class="w"> </span>a<span class="w"> </span>copy<span class="w"> </span>of<span class="w"> </span>all<span class="w"> </span>the<span class="w"> </span>rows.
+optional arguments:
+  -h, --help            show this <span class="nb">help</span> message and <span class="nb">exit</span>
+  -v, --verbose         dump more metainformation on nodes
+  -d, --dump            dump data information on leaves
+  -a, --showattrs       show attributes <span class="k">in</span> nodes <span class="o">(</span>only useful when -v or -d
+                        are active<span class="o">)</span>
+  -s, --sort            sort output by node name
+  -c, --colinfo         show info of columns <span class="k">in</span> tables <span class="o">(</span>only useful when -v or
+                        -d are active<span class="o">)</span>
+  -i, --idxinfo         show info of indexed columns <span class="o">(</span>only useful when -v or
+                        -d are active<span class="o">)</span>
+  -R RANGE, --range RANGE
+                        <span class="k">select</span> a RANGE of rows <span class="o">(</span><span class="k">in</span> the form <span class="s2">&quot;start,stop,step&quot;</span><span class="o">)</span>
+                        during the copy of *all* the leaves. Default values
+                        are <span class="s2">&quot;None,None,1&quot;</span>, which means a copy of all the rows.
 </pre></div>
 </div>
 <p>Read on for a brief introduction to this utility.</p>
 </section>
 <section id="a-small-tutorial-on-ptdump">
-<h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-ptdump" title="Link to this heading">¶</a></h3>
+<h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-ptdump" title="Permalink to this heading">¶</a></h3>
 <p>Let’s suppose that we want to know only the <em>structure</em> of a file. In order
 to do that, just don’t pass any flag, just the file as parameter.</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>vlarray1.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/vlarray1<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>
-/vlarray2<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of strings&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump vlarray1.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/vlarray1 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of ints&#39;</span>
+/vlarray2 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of strings&#39;</span>
 </pre></div>
 </div>
 <p>we can see that the file contains just a leaf object called vlarray1, that is
 an instance of VLArray, has 4 rows, and two filters has been used in order to
 create it: shuffle and zlib (with a compression level of 1).</p>
 <p>Let’s say we want more meta-information. Just add the -v (verbose) flag:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>-v<span class="w"> </span>vlarray1.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/vlarray1<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>
-<span class="w">  </span><span class="nv">atom</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>Int32Atom<span class="o">(</span><span class="nv">shape</span><span class="o">=()</span>,<span class="w"> </span><span class="nv">dflt</span><span class="o">=</span><span class="m">0</span><span class="o">)</span>
-<span class="w">  </span><span class="nv">byteorder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;little&#39;</span>
-<span class="w">  </span><span class="nv">nrows</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">3</span>
-<span class="w">  </span><span class="nv">flavor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;numpy&#39;</span>
-/vlarray2<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of strings&#39;</span>
-<span class="w">  </span><span class="nv">atom</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>StringAtom<span class="o">(</span><span class="nv">itemsize</span><span class="o">=</span><span class="m">2</span>,<span class="w"> </span><span class="nv">shape</span><span class="o">=()</span>,<span class="w"> </span><span class="nv">dflt</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="o">)</span>
-<span class="w">  </span><span class="nv">byteorder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;irrelevant&#39;</span>
-<span class="w">  </span><span class="nv">nrows</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">3</span>
-<span class="w">  </span><span class="nv">flavor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;python&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump -v vlarray1.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/vlarray1 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of ints&#39;</span>
+  <span class="nv">atom</span> <span class="o">=</span> Int32Atom<span class="o">(</span><span class="nv">shape</span><span class="o">=()</span>, <span class="nv">dflt</span><span class="o">=</span><span class="m">0</span><span class="o">)</span>
+  <span class="nv">byteorder</span> <span class="o">=</span> <span class="s1">&#39;little&#39;</span>
+  <span class="nv">nrows</span> <span class="o">=</span> <span class="m">3</span>
+  <span class="nv">flavor</span> <span class="o">=</span> <span class="s1">&#39;numpy&#39;</span>
+/vlarray2 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of strings&#39;</span>
+  <span class="nv">atom</span> <span class="o">=</span> StringAtom<span class="o">(</span><span class="nv">itemsize</span><span class="o">=</span><span class="m">2</span>, <span class="nv">shape</span><span class="o">=()</span>, <span class="nv">dflt</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="o">)</span>
+  <span class="nv">byteorder</span> <span class="o">=</span> <span class="s1">&#39;irrelevant&#39;</span>
+  <span class="nv">nrows</span> <span class="o">=</span> <span class="m">3</span>
+  <span class="nv">flavor</span> <span class="o">=</span> <span class="s1">&#39;python&#39;</span>
 </pre></div>
 </div>
 <p>so we can see more info about the atoms that are the components of the
@@ -182,47 +180,47 @@ <h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-p
 <em>flavor</em>.</p>
 <p>If we want information about the attributes on the nodes, we must add the -a
 flag:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>-va<span class="w"> </span>vlarray1.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-<span class="w">  </span>/._v_attrs<span class="w"> </span><span class="o">(</span>AttributeSet<span class="o">)</span>,<span class="w"> </span><span class="m">4</span><span class="w"> </span>attributes:
-<span class="w">   </span><span class="o">[</span>CLASS<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;GROUP&#39;</span>,
-<span class="w">    </span>PYTABLES_FORMAT_VERSION<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;2.0&#39;</span>,
-<span class="w">    </span>TITLE<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;&#39;</span>,
-<span class="w">    </span>VERSION<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;1.0&#39;</span><span class="o">]</span>
-/vlarray1<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>
-<span class="w">  </span><span class="nv">atom</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>Int32Atom<span class="o">(</span><span class="nv">shape</span><span class="o">=()</span>,<span class="w"> </span><span class="nv">dflt</span><span class="o">=</span><span class="m">0</span><span class="o">)</span>
-<span class="w">  </span><span class="nv">byteorder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;little&#39;</span>
-<span class="w">  </span><span class="nv">nrows</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">3</span>
-<span class="w">  </span><span class="nv">flavor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;numpy&#39;</span>
-<span class="w">  </span>/vlarray1._v_attrs<span class="w"> </span><span class="o">(</span>AttributeSet<span class="o">)</span>,<span class="w"> </span><span class="m">3</span><span class="w"> </span>attributes:
-<span class="w">   </span><span class="o">[</span>CLASS<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;VLARRAY&#39;</span>,
-<span class="w">    </span>TITLE<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>,
-<span class="w">    </span>VERSION<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;1.3&#39;</span><span class="o">]</span>
-/vlarray2<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of strings&#39;</span>
-<span class="w">  </span><span class="nv">atom</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>StringAtom<span class="o">(</span><span class="nv">itemsize</span><span class="o">=</span><span class="m">2</span>,<span class="w"> </span><span class="nv">shape</span><span class="o">=()</span>,<span class="w"> </span><span class="nv">dflt</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="o">)</span>
-<span class="w">  </span><span class="nv">byteorder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;irrelevant&#39;</span>
-<span class="w">  </span><span class="nv">nrows</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">3</span>
-<span class="w">  </span><span class="nv">flavor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;python&#39;</span>
-<span class="w">  </span>/vlarray2._v_attrs<span class="w"> </span><span class="o">(</span>AttributeSet<span class="o">)</span>,<span class="w"> </span><span class="m">4</span><span class="w"> </span>attributes:
-<span class="w">   </span><span class="o">[</span>CLASS<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;VLARRAY&#39;</span>,
-<span class="w">    </span>FLAVOR<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;python&#39;</span>,
-<span class="w">    </span>TITLE<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;ragged array of strings&#39;</span>,
-<span class="w">    </span>VERSION<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;1.3&#39;</span><span class="o">]</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump -va vlarray1.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+  /._v_attrs <span class="o">(</span>AttributeSet<span class="o">)</span>, <span class="m">4</span> attributes:
+   <span class="o">[</span>CLASS :<span class="o">=</span> <span class="s1">&#39;GROUP&#39;</span>,
+    PYTABLES_FORMAT_VERSION :<span class="o">=</span> <span class="s1">&#39;2.0&#39;</span>,
+    TITLE :<span class="o">=</span> <span class="s1">&#39;&#39;</span>,
+    VERSION :<span class="o">=</span> <span class="s1">&#39;1.0&#39;</span><span class="o">]</span>
+/vlarray1 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of ints&#39;</span>
+  <span class="nv">atom</span> <span class="o">=</span> Int32Atom<span class="o">(</span><span class="nv">shape</span><span class="o">=()</span>, <span class="nv">dflt</span><span class="o">=</span><span class="m">0</span><span class="o">)</span>
+  <span class="nv">byteorder</span> <span class="o">=</span> <span class="s1">&#39;little&#39;</span>
+  <span class="nv">nrows</span> <span class="o">=</span> <span class="m">3</span>
+  <span class="nv">flavor</span> <span class="o">=</span> <span class="s1">&#39;numpy&#39;</span>
+  /vlarray1._v_attrs <span class="o">(</span>AttributeSet<span class="o">)</span>, <span class="m">3</span> attributes:
+   <span class="o">[</span>CLASS :<span class="o">=</span> <span class="s1">&#39;VLARRAY&#39;</span>,
+    TITLE :<span class="o">=</span> <span class="s1">&#39;ragged array of ints&#39;</span>,
+    VERSION :<span class="o">=</span> <span class="s1">&#39;1.3&#39;</span><span class="o">]</span>
+/vlarray2 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of strings&#39;</span>
+  <span class="nv">atom</span> <span class="o">=</span> StringAtom<span class="o">(</span><span class="nv">itemsize</span><span class="o">=</span><span class="m">2</span>, <span class="nv">shape</span><span class="o">=()</span>, <span class="nv">dflt</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="o">)</span>
+  <span class="nv">byteorder</span> <span class="o">=</span> <span class="s1">&#39;irrelevant&#39;</span>
+  <span class="nv">nrows</span> <span class="o">=</span> <span class="m">3</span>
+  <span class="nv">flavor</span> <span class="o">=</span> <span class="s1">&#39;python&#39;</span>
+  /vlarray2._v_attrs <span class="o">(</span>AttributeSet<span class="o">)</span>, <span class="m">4</span> attributes:
+   <span class="o">[</span>CLASS :<span class="o">=</span> <span class="s1">&#39;VLARRAY&#39;</span>,
+    FLAVOR :<span class="o">=</span> <span class="s1">&#39;python&#39;</span>,
+    TITLE :<span class="o">=</span> <span class="s1">&#39;ragged array of strings&#39;</span>,
+    VERSION :<span class="o">=</span> <span class="s1">&#39;1.3&#39;</span><span class="o">]</span>
 </pre></div>
 </div>
 <p>Let’s have a look at the real data:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>-d<span class="w"> </span>vlarray1.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/vlarray1<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>
-<span class="w">  </span>Data<span class="w"> </span>dump:
-<span class="o">[</span><span class="m">0</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="m">5</span><span class="w"> </span><span class="m">6</span><span class="o">]</span>
-<span class="o">[</span><span class="m">1</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="m">5</span><span class="w"> </span><span class="m">6</span><span class="w"> </span><span class="m">7</span><span class="o">]</span>
-<span class="o">[</span><span class="m">2</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="m">5</span><span class="w"> </span><span class="m">6</span><span class="w"> </span><span class="m">9</span><span class="w"> </span><span class="m">8</span><span class="o">]</span>
-/vlarray2<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of strings&#39;</span>
-<span class="w">  </span>Data<span class="w"> </span>dump:
-<span class="o">[</span><span class="m">0</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="s1">&#39;5&#39;</span>,<span class="w"> </span><span class="s1">&#39;66&#39;</span><span class="o">]</span>
-<span class="o">[</span><span class="m">1</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="s1">&#39;5&#39;</span>,<span class="w"> </span><span class="s1">&#39;6&#39;</span>,<span class="w"> </span><span class="s1">&#39;77&#39;</span><span class="o">]</span>
-<span class="o">[</span><span class="m">2</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="s1">&#39;5&#39;</span>,<span class="w"> </span><span class="s1">&#39;6&#39;</span>,<span class="w"> </span><span class="s1">&#39;9&#39;</span>,<span class="w"> </span><span class="s1">&#39;88&#39;</span><span class="o">]</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump -d vlarray1.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/vlarray1 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of ints&#39;</span>
+  Data dump:
+<span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">[</span><span class="m">5</span> <span class="m">6</span><span class="o">]</span>
+<span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">[</span><span class="m">5</span> <span class="m">6</span> <span class="m">7</span><span class="o">]</span>
+<span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">[</span><span class="m">5</span> <span class="m">6</span> <span class="m">9</span> <span class="m">8</span><span class="o">]</span>
+/vlarray2 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of strings&#39;</span>
+  Data dump:
+<span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">[</span><span class="s1">&#39;5&#39;</span>, <span class="s1">&#39;66&#39;</span><span class="o">]</span>
+<span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">[</span><span class="s1">&#39;5&#39;</span>, <span class="s1">&#39;6&#39;</span>, <span class="s1">&#39;77&#39;</span><span class="o">]</span>
+<span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">[</span><span class="s1">&#39;5&#39;</span>, <span class="s1">&#39;6&#39;</span>, <span class="s1">&#39;9&#39;</span>, <span class="s1">&#39;88&#39;</span><span class="o">]</span>
 </pre></div>
 </div>
 <p>We see here a data dump of the 4 rows in vlarray1 object, in the form of a
@@ -230,34 +228,34 @@ <h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-p
 each row.</p>
 <p>Say that we are interested only on a specific <em>row range</em> of the /vlarray1
 object:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>ptdump<span class="w"> </span>-R2,3<span class="w"> </span>-d<span class="w"> </span>vlarray1.h5:/vlarray1
-/vlarray1<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>
-<span class="w">  </span>Data<span class="w"> </span>dump:
-<span class="o">[</span><span class="m">2</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="m">5</span><span class="w"> </span><span class="m">6</span><span class="w"> </span><span class="m">9</span><span class="w"> </span><span class="m">8</span><span class="o">]</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>ptdump -R2,3 -d vlarray1.h5:/vlarray1
+/vlarray1 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of ints&#39;</span>
+  Data dump:
+<span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">[</span><span class="m">5</span> <span class="m">6</span> <span class="m">9</span> <span class="m">8</span><span class="o">]</span>
 </pre></div>
 </div>
 <p>Here, we have specified the range of rows between 2 and 4 (the upper limit
 excluded, as usual in Python). See how we have selected only the /vlarray1
 object for doing the dump (vlarray1.h5:/vlarray1).</p>
 <p>Finally, you can mix several information at once:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>-R2,3<span class="w"> </span>-vad<span class="w"> </span>vlarray1.h5:/vlarray1
-/vlarray1<span class="w"> </span><span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>
-<span class="w">  </span><span class="nv">atom</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>Int32Atom<span class="o">(</span><span class="nv">shape</span><span class="o">=()</span>,<span class="w"> </span><span class="nv">dflt</span><span class="o">=</span><span class="m">0</span><span class="o">)</span>
-<span class="w">  </span><span class="nv">byteorder</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;little&#39;</span>
-<span class="w">  </span><span class="nv">nrows</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">3</span>
-<span class="w">  </span><span class="nv">flavor</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;numpy&#39;</span>
-<span class="w">  </span>/vlarray1._v_attrs<span class="w"> </span><span class="o">(</span>AttributeSet<span class="o">)</span>,<span class="w"> </span><span class="m">3</span><span class="w"> </span>attributes:
-<span class="w">   </span><span class="o">[</span>CLASS<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;VLARRAY&#39;</span>,
-<span class="w">    </span>TITLE<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;ragged array of ints&#39;</span>,
-<span class="w">    </span>VERSION<span class="w"> </span>:<span class="o">=</span><span class="w"> </span><span class="s1">&#39;1.3&#39;</span><span class="o">]</span>
-<span class="w">  </span>Data<span class="w"> </span>dump:
-<span class="o">[</span><span class="m">2</span><span class="o">]</span><span class="w"> </span><span class="o">[</span><span class="m">5</span><span class="w"> </span><span class="m">6</span><span class="w"> </span><span class="m">9</span><span class="w"> </span><span class="m">8</span><span class="o">]</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump -R2,3 -vad vlarray1.h5:/vlarray1
+/vlarray1 <span class="o">(</span>VLArray<span class="o">(</span><span class="m">3</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;ragged array of ints&#39;</span>
+  <span class="nv">atom</span> <span class="o">=</span> Int32Atom<span class="o">(</span><span class="nv">shape</span><span class="o">=()</span>, <span class="nv">dflt</span><span class="o">=</span><span class="m">0</span><span class="o">)</span>
+  <span class="nv">byteorder</span> <span class="o">=</span> <span class="s1">&#39;little&#39;</span>
+  <span class="nv">nrows</span> <span class="o">=</span> <span class="m">3</span>
+  <span class="nv">flavor</span> <span class="o">=</span> <span class="s1">&#39;numpy&#39;</span>
+  /vlarray1._v_attrs <span class="o">(</span>AttributeSet<span class="o">)</span>, <span class="m">3</span> attributes:
+   <span class="o">[</span>CLASS :<span class="o">=</span> <span class="s1">&#39;VLARRAY&#39;</span>,
+    TITLE :<span class="o">=</span> <span class="s1">&#39;ragged array of ints&#39;</span>,
+    VERSION :<span class="o">=</span> <span class="s1">&#39;1.3&#39;</span><span class="o">]</span>
+  Data dump:
+<span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">[</span><span class="m">5</span> <span class="m">6</span> <span class="m">9</span> <span class="m">8</span><span class="o">]</span>
 </pre></div>
 </div>
 </section>
 </section>
 <section id="ptrepack">
-<span id="ptrepackdescr"></span><h2>ptrepack<a class="headerlink" href="#ptrepack" title="Link to this heading">¶</a></h2>
+<span id="ptrepackdescr"></span><h2>ptrepack<a class="headerlink" href="#ptrepack" title="Permalink to this heading">¶</a></h2>
 <p>This utility is a very powerful one and lets you copy any leaf, group or
 complete subtree into another file. During the copy process you are allowed
 to change the filter properties if you want so. Also, in the case of
@@ -268,124 +266,124 @@ <h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-p
 I/O performance, consolidating specific data in repositories or even
 <em>importing</em> generic HDF5 files and create true PyTables counterparts.</p>
 <section id="id1">
-<h3>Usage<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
+<h3>Usage<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
 <p>For instructions on how to use it, just pass the -h flag to the command:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>-h
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack -h
 </pre></div>
 </div>
 <p>to see the message usage:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage:<span class="w"> </span>ptrepack<span class="w"> </span><span class="o">[</span>-h<span class="o">]</span><span class="w"> </span><span class="o">[</span>-v<span class="o">]</span><span class="w"> </span><span class="o">[</span>-o<span class="o">]</span><span class="w"> </span><span class="o">[</span>-R<span class="w"> </span>RANGE<span class="o">]</span><span class="w"> </span><span class="o">[</span>--non-recursive<span class="o">]</span>
-<span class="w">                </span><span class="o">[</span>--dest-title<span class="w"> </span>TITLE<span class="o">]</span><span class="w"> </span><span class="o">[</span>--dont-create-sysattrs<span class="o">]</span>
-<span class="w">                </span><span class="o">[</span>--dont-copy-userattrs<span class="o">]</span><span class="w"> </span><span class="o">[</span>--overwrite-nodes<span class="o">]</span>
-<span class="w">                </span><span class="o">[</span>--complevel<span class="w"> </span>COMPLEVEL<span class="o">]</span>
-<span class="w">                </span><span class="o">[</span>--complib<span class="w"> </span><span class="o">{</span>zlib,lzo,bzip2,blosc,blosc:blosclz,blosc:lz4,blosc:lz4hc,blosc:snappy,blosc:zlib,blosc:zstd<span class="o">}]</span>
-<span class="w">                </span><span class="o">[</span>--shuffle<span class="w"> </span><span class="o">{</span><span class="m">0</span>,1<span class="o">}]</span><span class="w"> </span><span class="o">[</span>--bitshuffle<span class="w"> </span><span class="o">{</span><span class="m">0</span>,1<span class="o">}]</span><span class="w"> </span><span class="o">[</span>--fletcher32<span class="w"> </span><span class="o">{</span><span class="m">0</span>,1<span class="o">}]</span>
-<span class="w">                </span><span class="o">[</span>--keep-source-filters<span class="o">]</span><span class="w"> </span><span class="o">[</span>--chunkshape<span class="w"> </span>CHUNKSHAPE<span class="o">]</span>
-<span class="w">                </span><span class="o">[</span>--upgrade-flavors<span class="o">]</span><span class="w"> </span><span class="o">[</span>--dont-regenerate-old-indexes<span class="o">]</span>
-<span class="w">                </span><span class="o">[</span>--sortby<span class="w"> </span>COLUMN<span class="o">]</span><span class="w"> </span><span class="o">[</span>--checkCSI<span class="o">]</span><span class="w"> </span><span class="o">[</span>--propindexes<span class="o">]</span>
-<span class="w">                </span>sourcefile:sourcegroup<span class="w"> </span>destfile:destgroup
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage: ptrepack <span class="o">[</span>-h<span class="o">]</span> <span class="o">[</span>-v<span class="o">]</span> <span class="o">[</span>-o<span class="o">]</span> <span class="o">[</span>-R RANGE<span class="o">]</span> <span class="o">[</span>--non-recursive<span class="o">]</span>
+                <span class="o">[</span>--dest-title TITLE<span class="o">]</span> <span class="o">[</span>--dont-create-sysattrs<span class="o">]</span>
+                <span class="o">[</span>--dont-copy-userattrs<span class="o">]</span> <span class="o">[</span>--overwrite-nodes<span class="o">]</span>
+                <span class="o">[</span>--complevel COMPLEVEL<span class="o">]</span>
+                <span class="o">[</span>--complib <span class="o">{</span>zlib,lzo,bzip2,blosc,blosc:blosclz,blosc:lz4,blosc:lz4hc,blosc:snappy,blosc:zlib,blosc:zstd<span class="o">}]</span>
+                <span class="o">[</span>--shuffle <span class="o">{</span><span class="m">0</span>,1<span class="o">}]</span> <span class="o">[</span>--bitshuffle <span class="o">{</span><span class="m">0</span>,1<span class="o">}]</span> <span class="o">[</span>--fletcher32 <span class="o">{</span><span class="m">0</span>,1<span class="o">}]</span>
+                <span class="o">[</span>--keep-source-filters<span class="o">]</span> <span class="o">[</span>--chunkshape CHUNKSHAPE<span class="o">]</span>
+                <span class="o">[</span>--upgrade-flavors<span class="o">]</span> <span class="o">[</span>--dont-regenerate-old-indexes<span class="o">]</span>
+                <span class="o">[</span>--sortby COLUMN<span class="o">]</span> <span class="o">[</span>--checkCSI<span class="o">]</span> <span class="o">[</span>--propindexes<span class="o">]</span>
+                sourcefile:sourcegroup destfile:destgroup
 
-This<span class="w"> </span>utility<span class="w"> </span>is<span class="w"> </span>very<span class="w"> </span>powerful<span class="w"> </span>and<span class="w"> </span>lets<span class="w"> </span>you<span class="w"> </span>copy<span class="w"> </span>any<span class="w"> </span>leaf,<span class="w"> </span>group<span class="w"> </span>or<span class="w"> </span><span class="nb">complete</span>
-subtree<span class="w"> </span>into<span class="w"> </span>another<span class="w"> </span>file.<span class="w"> </span>During<span class="w"> </span>the<span class="w"> </span>copy<span class="w"> </span>process<span class="w"> </span>you<span class="w"> </span>are<span class="w"> </span>allowed<span class="w"> </span>to<span class="w"> </span>change
-the<span class="w"> </span>filter<span class="w"> </span>properties<span class="w"> </span><span class="k">if</span><span class="w"> </span>you<span class="w"> </span>want<span class="w"> </span>so.<span class="w"> </span>Also,<span class="w"> </span><span class="k">in</span><span class="w"> </span>the<span class="w"> </span><span class="k">case</span><span class="w"> </span>of<span class="w"> </span>duplicated
-pathnames,<span class="w"> </span>you<span class="w"> </span>can<span class="w"> </span>decide<span class="w"> </span><span class="k">if</span><span class="w"> </span>you<span class="w"> </span>want<span class="w"> </span>to<span class="w"> </span>overwrite<span class="w"> </span>already<span class="w"> </span>existing<span class="w"> </span>nodes<span class="w"> </span>on
-the<span class="w"> </span>destination<span class="w"> </span>file.<span class="w"> </span>Generally<span class="w"> </span>speaking,<span class="w"> </span>ptrepack<span class="w"> </span>can<span class="w"> </span>be<span class="w"> </span>useful<span class="w"> </span><span class="k">in</span><span class="w"> </span>may
-situations,<span class="w"> </span>like<span class="w"> </span>replicating<span class="w"> </span>a<span class="w"> </span>subtree<span class="w"> </span><span class="k">in</span><span class="w"> </span>another<span class="w"> </span>file,<span class="w"> </span>change<span class="w"> </span>the<span class="w"> </span>filters<span class="w"> </span><span class="k">in</span>
-objects<span class="w"> </span>and<span class="w"> </span>see<span class="w"> </span>how<span class="w"> </span>affect<span class="w"> </span>this<span class="w"> </span>to<span class="w"> </span>the<span class="w"> </span>compression<span class="w"> </span>degree<span class="w"> </span>or<span class="w"> </span>I/O<span class="w"> </span>performance,
-consolidating<span class="w"> </span>specific<span class="w"> </span>data<span class="w"> </span><span class="k">in</span><span class="w"> </span>repositories<span class="w"> </span>or<span class="w"> </span>even<span class="w"> </span>*importing*<span class="w"> </span>generic<span class="w"> </span>HDF5
-files<span class="w"> </span>and<span class="w"> </span>create<span class="w"> </span><span class="nb">true</span><span class="w"> </span>PyTables<span class="w"> </span>counterparts.
+This utility is very powerful and lets you copy any leaf, group or <span class="nb">complete</span>
+subtree into another file. During the copy process you are allowed to change
+the filter properties <span class="k">if</span> you want so. Also, <span class="k">in</span> the <span class="k">case</span> of duplicated
+pathnames, you can decide <span class="k">if</span> you want to overwrite already existing nodes on
+the destination file. Generally speaking, ptrepack can be useful <span class="k">in</span> may
+situations, like replicating a subtree <span class="k">in</span> another file, change the filters <span class="k">in</span>
+objects and see how affect this to the compression degree or I/O performance,
+consolidating specific data <span class="k">in</span> repositories or even *importing* generic HDF5
+files and create <span class="nb">true</span> PyTables counterparts.
 
-positional<span class="w"> </span>arguments:
-<span class="w">  </span>sourcefile:sourcegroup
-<span class="w">                        </span><span class="nb">source</span><span class="w"> </span>file/group
-<span class="w">  </span>destfile:destgroup<span class="w">    </span>destination<span class="w"> </span>file/group
+positional arguments:
+  sourcefile:sourcegroup
+                        <span class="nb">source</span> file/group
+  destfile:destgroup    destination file/group
 
-optional<span class="w"> </span>arguments:
-<span class="w">  </span>-h,<span class="w"> </span>--help<span class="w">            </span>show<span class="w"> </span>this<span class="w"> </span><span class="nb">help</span><span class="w"> </span>message<span class="w"> </span>and<span class="w"> </span><span class="nb">exit</span>
-<span class="w">  </span>-v,<span class="w"> </span>--verbose<span class="w">         </span>show<span class="w"> </span>verbose<span class="w"> </span>information
-<span class="w">  </span>-o,<span class="w"> </span>--overwrite<span class="w">       </span>overwrite<span class="w"> </span>destination<span class="w"> </span>file
-<span class="w">  </span>-R<span class="w"> </span>RANGE,<span class="w"> </span>--range<span class="w"> </span>RANGE
-<span class="w">                        </span><span class="k">select</span><span class="w"> </span>a<span class="w"> </span>RANGE<span class="w"> </span>of<span class="w"> </span>rows<span class="w"> </span><span class="o">(</span><span class="k">in</span><span class="w"> </span>the<span class="w"> </span>form<span class="w"> </span><span class="s2">&quot;start,stop,step&quot;</span><span class="o">)</span>
-<span class="w">                        </span>during<span class="w"> </span>the<span class="w"> </span>copy<span class="w"> </span>of<span class="w"> </span>*all*<span class="w"> </span>the<span class="w"> </span>leaves.<span class="w"> </span>Default<span class="w"> </span>values
-<span class="w">                        </span>are<span class="w"> </span><span class="s2">&quot;None,None,1&quot;</span>,<span class="w"> </span>which<span class="w"> </span>means<span class="w"> </span>a<span class="w"> </span>copy<span class="w"> </span>of<span class="w"> </span>all<span class="w"> </span>the<span class="w"> </span>rows.
-<span class="w">  </span>--non-recursive<span class="w">       </span><span class="k">do</span><span class="w"> </span>not<span class="w"> </span><span class="k">do</span><span class="w"> </span>a<span class="w"> </span>recursive<span class="w"> </span>copy.<span class="w"> </span>Default<span class="w"> </span>is<span class="w"> </span>to<span class="w"> </span><span class="k">do</span><span class="w"> </span>it
-<span class="w">  </span>--dest-title<span class="w"> </span>TITLE<span class="w">    </span>title<span class="w"> </span><span class="k">for</span><span class="w"> </span>the<span class="w"> </span>new<span class="w"> </span>file<span class="w"> </span><span class="o">(</span><span class="k">if</span><span class="w"> </span>not<span class="w"> </span>specified,<span class="w"> </span>the<span class="w"> </span><span class="nb">source</span>
-<span class="w">                        </span>is<span class="w"> </span>copied<span class="o">)</span>
-<span class="w">  </span>--dont-create-sysattrs
-<span class="w">                        </span><span class="k">do</span><span class="w"> </span>not<span class="w"> </span>create<span class="w"> </span>sys<span class="w"> </span>attrs<span class="w"> </span><span class="o">(</span>default<span class="w"> </span>is<span class="w"> </span>to<span class="w"> </span><span class="k">do</span><span class="w"> </span>it<span class="o">)</span>
-<span class="w">  </span>--dont-copy-userattrs
-<span class="w">                        </span><span class="k">do</span><span class="w"> </span>not<span class="w"> </span>copy<span class="w"> </span>the<span class="w"> </span>user<span class="w"> </span>attrs<span class="w"> </span><span class="o">(</span>default<span class="w"> </span>is<span class="w"> </span>to<span class="w"> </span><span class="k">do</span><span class="w"> </span>it<span class="o">)</span>
-<span class="w">  </span>--overwrite-nodes<span class="w">     </span>overwrite<span class="w"> </span>destination<span class="w"> </span>nodes<span class="w"> </span><span class="k">if</span><span class="w"> </span>they<span class="w"> </span>exist.<span class="w"> </span>Default<span class="w"> </span>is
-<span class="w">                        </span>to<span class="w"> </span>not<span class="w"> </span>overwrite<span class="w"> </span>them
-<span class="w">  </span>--complevel<span class="w"> </span>COMPLEVEL
-<span class="w">                        </span><span class="nb">set</span><span class="w"> </span>a<span class="w"> </span>compression<span class="w"> </span>level<span class="w"> </span><span class="o">(</span><span class="m">0</span><span class="w"> </span><span class="k">for</span><span class="w"> </span>no<span class="w"> </span>compression,<span class="w"> </span>which
-<span class="w">                        </span>is<span class="w"> </span>the<span class="w"> </span>default<span class="o">)</span>
-<span class="w">  </span>--complib<span class="w"> </span><span class="o">{</span>zlib,lzo,bzip2,blosc,blosc:blosclz,blosc:lz4,blosc:lz4hc,blosc:snappy,blosc:zlib,blosc:zstd<span class="o">}</span>
-<span class="w">                        </span><span class="nb">set</span><span class="w"> </span>the<span class="w"> </span>compression<span class="w"> </span>library<span class="w"> </span>to<span class="w"> </span>be<span class="w"> </span>used<span class="w"> </span>during<span class="w"> </span>the
-<span class="w">                        </span>copy.<span class="w"> </span>Defaults<span class="w"> </span>to<span class="w"> </span>zlib
-<span class="w">  </span>--shuffle<span class="w"> </span><span class="o">{</span><span class="m">0</span>,1<span class="o">}</span><span class="w">       </span>activate<span class="w"> </span>or<span class="w"> </span>not<span class="w"> </span>the<span class="w"> </span>shuffle<span class="w"> </span>filter<span class="w"> </span><span class="o">(</span>default<span class="w"> </span>is<span class="w"> </span>active
-<span class="w">                        </span><span class="k">if</span><span class="w"> </span>complevel<span class="w"> </span>&gt;<span class="w"> </span><span class="m">0</span><span class="o">)</span>
-<span class="w">  </span>--bitshuffle<span class="w"> </span><span class="o">{</span><span class="m">0</span>,1<span class="o">}</span><span class="w">    </span>activate<span class="w"> </span>or<span class="w"> </span>not<span class="w"> </span>the<span class="w"> </span>bitshuffle<span class="w"> </span>filter<span class="w"> </span><span class="o">(</span>not<span class="w"> </span>active<span class="w"> </span>by
-<span class="w">                        </span>default<span class="o">)</span>
-<span class="w">  </span>--fletcher32<span class="w"> </span><span class="o">{</span><span class="m">0</span>,1<span class="o">}</span><span class="w">    </span>whether<span class="w"> </span>to<span class="w"> </span>activate<span class="w"> </span>or<span class="w"> </span>not<span class="w"> </span>the<span class="w"> </span>fletcher32<span class="w"> </span>filter<span class="w"> </span><span class="o">(</span>not
-<span class="w">                        </span>active<span class="w"> </span>by<span class="w"> </span>default<span class="o">)</span>
-<span class="w">  </span>--keep-source-filters
-<span class="w">                        </span>use<span class="w"> </span>the<span class="w"> </span>original<span class="w"> </span>filters<span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="nb">source</span><span class="w"> </span>files.<span class="w"> </span>The<span class="w"> </span>default
-<span class="w">                        </span>is<span class="w"> </span>not<span class="w"> </span>doing<span class="w"> </span>that<span class="w"> </span><span class="k">if</span><span class="w"> </span>any<span class="w"> </span>of<span class="w"> </span>--complevel,<span class="w"> </span>--complib,
-<span class="w">                        </span>--shuffle<span class="w"> </span>--bitshuffle<span class="w"> </span>or<span class="w"> </span>--fletcher32<span class="w"> </span>option<span class="w"> </span>is
-<span class="w">                        </span>specified
-<span class="w">  </span>--chunkshape<span class="w"> </span>CHUNKSHAPE
-<span class="w">                        </span><span class="nb">set</span><span class="w"> </span>a<span class="w"> </span>chunkshape.<span class="w"> </span>Possible<span class="w"> </span>options<span class="w"> </span>are:<span class="w"> </span><span class="s2">&quot;keep&quot;</span><span class="w"> </span><span class="p">|</span>
-<span class="w">                        </span><span class="s2">&quot;auto&quot;</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>int<span class="w"> </span><span class="p">|</span><span class="w"> </span>tuple.<span class="w"> </span>A<span class="w"> </span>value<span class="w"> </span>of<span class="w"> </span><span class="s2">&quot;auto&quot;</span><span class="w"> </span>computes<span class="w"> </span>a
-<span class="w">                        </span>sensible<span class="w"> </span>value<span class="w"> </span><span class="k">for</span><span class="w"> </span>the<span class="w"> </span>chunkshape<span class="w"> </span>of<span class="w"> </span>the<span class="w"> </span>leaves
-<span class="w">                        </span>copied.<span class="w"> </span>The<span class="w"> </span>default<span class="w"> </span>is<span class="w"> </span>to<span class="w"> </span><span class="s2">&quot;keep&quot;</span><span class="w"> </span>the<span class="w"> </span>original<span class="w"> </span>value
-<span class="w">  </span>--upgrade-flavors<span class="w">     </span>when<span class="w"> </span>repacking<span class="w"> </span>PyTables<span class="w"> </span><span class="m">1</span>.x<span class="w"> </span>or<span class="w"> </span>PyTables<span class="w"> </span><span class="m">2</span>.x<span class="w"> </span>files,<span class="w"> </span>the
-<span class="w">                        </span>flavor<span class="w"> </span>of<span class="w"> </span>leaves<span class="w"> </span>will<span class="w"> </span>be<span class="w"> </span>unset.<span class="w"> </span>With<span class="w"> </span>this,<span class="w"> </span>such<span class="w"> </span>a
-<span class="w">                        </span>leaves<span class="w"> </span>will<span class="w"> </span>be<span class="w"> </span>serialized<span class="w"> </span>as<span class="w"> </span>objects<span class="w"> </span>with<span class="w"> </span>the<span class="w"> </span>internal
-<span class="w">                        </span>flavor<span class="w"> </span><span class="o">(</span><span class="s1">&#39;numpy&#39;</span><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="m">3</span>.x<span class="w"> </span>series<span class="o">)</span>
-<span class="w">  </span>--dont-regenerate-old-indexes
-<span class="w">                        </span>disable<span class="w"> </span>regenerating<span class="w"> </span>old<span class="w"> </span>indexes.<span class="w"> </span>The<span class="w"> </span>default<span class="w"> </span>is<span class="w"> </span>to
-<span class="w">                        </span>regenerate<span class="w"> </span>old<span class="w"> </span>indexes<span class="w"> </span>as<span class="w"> </span>they<span class="w"> </span>are<span class="w"> </span>found
-<span class="w">  </span>--sortby<span class="w"> </span>COLUMN<span class="w">       </span><span class="k">do</span><span class="w"> </span>a<span class="w"> </span>table<span class="w"> </span>copy<span class="w"> </span>sorted<span class="w"> </span>by<span class="w"> </span>the<span class="w"> </span>index<span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="s2">&quot;column&quot;</span>.<span class="w"> </span>For
-<span class="w">                        </span>reversing<span class="w"> </span>the<span class="w"> </span>order,<span class="w"> </span>use<span class="w"> </span>a<span class="w"> </span>negative<span class="w"> </span>value<span class="w"> </span><span class="k">in</span><span class="w"> </span>the
-<span class="w">                        </span><span class="s2">&quot;step&quot;</span><span class="w"> </span>part<span class="w"> </span>of<span class="w"> </span><span class="s2">&quot;RANGE&quot;</span><span class="w"> </span><span class="o">(</span>see<span class="w"> </span><span class="s2">&quot;-r&quot;</span><span class="w"> </span>flag<span class="o">)</span>.<span class="w"> </span>Only<span class="w"> </span>applies
-<span class="w">                        </span>to<span class="w"> </span>table<span class="w"> </span>objects
-<span class="w">  </span>--checkCSI<span class="w">            </span>force<span class="w"> </span>the<span class="w"> </span>check<span class="w"> </span><span class="k">for</span><span class="w"> </span>a<span class="w"> </span>CSI<span class="w"> </span>index<span class="w"> </span><span class="k">for</span><span class="w"> </span>the<span class="w"> </span>--sortby
-<span class="w">                        </span>column
-<span class="w">  </span>--propindexes<span class="w">         </span>propagate<span class="w"> </span>the<span class="w"> </span>indexes<span class="w"> </span>existing<span class="w"> </span><span class="k">in</span><span class="w"> </span>original<span class="w"> </span>tables.<span class="w"> </span>The
-<span class="w">                        </span>default<span class="w"> </span>is<span class="w"> </span>to<span class="w"> </span>not<span class="w"> </span>propagate<span class="w"> </span>them.<span class="w"> </span>Only<span class="w"> </span>applies<span class="w"> </span>to
-<span class="w">                        </span>table<span class="w"> </span>objects
-<span class="w">  </span>--dont-allow-padding<span class="w">  </span>remove<span class="w"> </span>the<span class="w"> </span>possible<span class="w"> </span>padding<span class="w"> </span><span class="k">in</span><span class="w"> </span>compound<span class="w"> </span>types<span class="w"> </span><span class="k">in</span>
-<span class="w">                        </span><span class="nb">source</span><span class="w"> </span>files.<span class="w"> </span>The<span class="w"> </span>default<span class="w"> </span>is<span class="w"> </span>to<span class="w"> </span>propagate<span class="w"> </span>it.<span class="w"> </span>Only
-<span class="w">                        </span>applies<span class="w"> </span>to<span class="w"> </span>table<span class="w"> </span>objects
+optional arguments:
+  -h, --help            show this <span class="nb">help</span> message and <span class="nb">exit</span>
+  -v, --verbose         show verbose information
+  -o, --overwrite       overwrite destination file
+  -R RANGE, --range RANGE
+                        <span class="k">select</span> a RANGE of rows <span class="o">(</span><span class="k">in</span> the form <span class="s2">&quot;start,stop,step&quot;</span><span class="o">)</span>
+                        during the copy of *all* the leaves. Default values
+                        are <span class="s2">&quot;None,None,1&quot;</span>, which means a copy of all the rows.
+  --non-recursive       <span class="k">do</span> not <span class="k">do</span> a recursive copy. Default is to <span class="k">do</span> it
+  --dest-title TITLE    title <span class="k">for</span> the new file <span class="o">(</span><span class="k">if</span> not specified, the <span class="nb">source</span>
+                        is copied<span class="o">)</span>
+  --dont-create-sysattrs
+                        <span class="k">do</span> not create sys attrs <span class="o">(</span>default is to <span class="k">do</span> it<span class="o">)</span>
+  --dont-copy-userattrs
+                        <span class="k">do</span> not copy the user attrs <span class="o">(</span>default is to <span class="k">do</span> it<span class="o">)</span>
+  --overwrite-nodes     overwrite destination nodes <span class="k">if</span> they exist. Default is
+                        to not overwrite them
+  --complevel COMPLEVEL
+                        <span class="nb">set</span> a compression level <span class="o">(</span><span class="m">0</span> <span class="k">for</span> no compression, which
+                        is the default<span class="o">)</span>
+  --complib <span class="o">{</span>zlib,lzo,bzip2,blosc,blosc:blosclz,blosc:lz4,blosc:lz4hc,blosc:snappy,blosc:zlib,blosc:zstd<span class="o">}</span>
+                        <span class="nb">set</span> the compression library to be used during the
+                        copy. Defaults to zlib
+  --shuffle <span class="o">{</span><span class="m">0</span>,1<span class="o">}</span>       activate or not the shuffle filter <span class="o">(</span>default is active
+                        <span class="k">if</span> complevel &gt; <span class="m">0</span><span class="o">)</span>
+  --bitshuffle <span class="o">{</span><span class="m">0</span>,1<span class="o">}</span>    activate or not the bitshuffle filter <span class="o">(</span>not active by
+                        default<span class="o">)</span>
+  --fletcher32 <span class="o">{</span><span class="m">0</span>,1<span class="o">}</span>    whether to activate or not the fletcher32 filter <span class="o">(</span>not
+                        active by default<span class="o">)</span>
+  --keep-source-filters
+                        use the original filters <span class="k">in</span> <span class="nb">source</span> files. The default
+                        is not doing that <span class="k">if</span> any of --complevel, --complib,
+                        --shuffle --bitshuffle or --fletcher32 option is
+                        specified
+  --chunkshape CHUNKSHAPE
+                        <span class="nb">set</span> a chunkshape. Possible options are: <span class="s2">&quot;keep&quot;</span> <span class="p">|</span>
+                        <span class="s2">&quot;auto&quot;</span> <span class="p">|</span> int <span class="p">|</span> tuple. A value of <span class="s2">&quot;auto&quot;</span> computes a
+                        sensible value <span class="k">for</span> the chunkshape of the leaves
+                        copied. The default is to <span class="s2">&quot;keep&quot;</span> the original value
+  --upgrade-flavors     when repacking PyTables <span class="m">1</span>.x or PyTables <span class="m">2</span>.x files, the
+                        flavor of leaves will be unset. With this, such a
+                        leaves will be serialized as objects with the internal
+                        flavor <span class="o">(</span><span class="s1">&#39;numpy&#39;</span> <span class="k">for</span> <span class="m">3</span>.x series<span class="o">)</span>
+  --dont-regenerate-old-indexes
+                        disable regenerating old indexes. The default is to
+                        regenerate old indexes as they are found
+  --sortby COLUMN       <span class="k">do</span> a table copy sorted by the index <span class="k">in</span> <span class="s2">&quot;column&quot;</span>. For
+                        reversing the order, use a negative value <span class="k">in</span> the
+                        <span class="s2">&quot;step&quot;</span> part of <span class="s2">&quot;RANGE&quot;</span> <span class="o">(</span>see <span class="s2">&quot;-r&quot;</span> flag<span class="o">)</span>. Only applies
+                        to table objects
+  --checkCSI            force the check <span class="k">for</span> a CSI index <span class="k">for</span> the --sortby
+                        column
+  --propindexes         propagate the indexes existing <span class="k">in</span> original tables. The
+                        default is to not propagate them. Only applies to
+                        table objects
+  --dont-allow-padding  remove the possible padding <span class="k">in</span> compound types <span class="k">in</span>
+                        <span class="nb">source</span> files. The default is to propagate it. Only
+                        applies to table objects
 </pre></div>
 </div>
 <p>Read on for a brief introduction to this utility.</p>
 </section>
 <section id="a-small-tutorial-on-ptrepack">
-<h3>A small tutorial on ptrepack<a class="headerlink" href="#a-small-tutorial-on-ptrepack" title="Link to this heading">¶</a></h3>
+<h3>A small tutorial on ptrepack<a class="headerlink" href="#a-small-tutorial-on-ptrepack" title="Permalink to this heading">¶</a></h3>
 <p>Imagine that we have ended the tutorial 1 (see the output of
 examples/tutorial1-1.py), and we want to copy our reduced data (i.e. those
 datasets that hangs from the /column group) to another file. First, let’s
 remember the content of the examples/tutorial1.h5:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>tutorial1.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;Test file&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;Pressure and Name&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
-/detector<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;Detector information&#39;</span>
-/detector/readout<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Readout example&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump tutorial1.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;Test file&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;Pressure and Name&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
+/detector <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;Detector information&#39;</span>
+/detector/readout <span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span> <span class="s1">&#39;Readout example&#39;</span>
 </pre></div>
 </div>
 <p>Now, copy the /columns to other non-existing file. That’s easy:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>tutorial1.h5:/columns<span class="w"> </span>reduced.h5
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack tutorial1.h5:/columns reduced.h5
 </pre></div>
 </div>
 <p>That’s all. Let’s see the contents of the newly created reduced.h5 file:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>reduced.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptdump reduced.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
 </pre></div>
 </div>
 <p>so, you have copied the children of /columns group into the <em>root</em> of the
@@ -393,89 +391,89 @@ <h3>A small tutorial on ptrepack<a class="headerlink" href="#a-small-tutorial-on
 <p>Now, you suddenly realized that what you intended to do was to copy all the
 hierarchy, the group /columns itself included. You can do that by just
 specifying the destination group:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>tutorial1.h5:/columns<span class="w"> </span>reduced.h5:/columns
-$<span class="w"> </span>ptdump<span class="w"> </span>reduced.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack tutorial1.h5:/columns reduced.h5:/columns
+$ ptdump reduced.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
 </pre></div>
 </div>
 <p>OK. Much better. But you want to get rid of the existing nodes on the new
 file. You can achieve this by adding the -o flag:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>-o<span class="w"> </span>tutorial1.h5:/columns<span class="w"> </span>reduced.h5:/columns
-$<span class="w"> </span>ptdump<span class="w"> </span>reduced.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack -o tutorial1.h5:/columns reduced.h5:/columns
+$ ptdump reduced.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
 </pre></div>
 </div>
 <p>where you can see how the old contents of the reduced.h5 file has been
 overwritten.</p>
 <p>You can copy just one single node in the repacking operation and change its
 name in destination:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>tutorial1.h5:/detector/readout<span class="w"> </span>reduced.h5:/rawdata
-$<span class="w"> </span>ptdump<span class="w"> </span>reduced.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/rawdata<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Readout example&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack tutorial1.h5:/detector/readout reduced.h5:/rawdata
+$ ptdump reduced.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/rawdata <span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span> <span class="s1">&#39;Readout example&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
 </pre></div>
 </div>
 <p>where the /detector/readout has been copied to /rawdata in destination.</p>
 <p>We can change the filter properties as well:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>--complevel<span class="o">=</span><span class="m">1</span><span class="w"> </span>tutorial1.h5:/detector/readout<span class="w"> </span>reduced.h5:/rawdata
-Problems<span class="w"> </span>doing<span class="w"> </span>the<span class="w"> </span>copy<span class="w"> </span>from<span class="w"> </span><span class="s1">&#39;tutorial1.h5:/detector/readout&#39;</span><span class="w"> </span>to<span class="w"> </span><span class="s1">&#39;reduced.h5:/rawdata&#39;</span>
-The<span class="w"> </span>error<span class="w"> </span>was<span class="w"> </span>--&gt;<span class="w"> </span>tables.exceptions.NodeError:<span class="w"> </span>destination<span class="w"> </span>group<span class="w"> </span><span class="se">\`</span><span class="sb">`</span>/<span class="se">\`</span><span class="sb">`</span><span class="w"> </span>already<span class="w"> </span>has<span class="w"> </span>a<span class="w"> </span>node<span class="w"> </span>named<span class="w"> </span><span class="se">\`</span><span class="sb">`</span>rawdata<span class="sb">``</span><span class="p">;</span><span class="w"> </span>you<span class="w"> </span>may<span class="w"> </span>want<span class="w"> </span>to<span class="w"> </span>use<span class="w"> </span>the<span class="w"> </span><span class="se">\`</span><span class="sb">`</span>overwrite<span class="sb">``</span><span class="w"> </span>argument
-The<span class="w"> </span>destination<span class="w"> </span>file<span class="w"> </span>looks<span class="w"> </span>like:
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/rawdata<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Readout example&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
-Traceback<span class="w"> </span><span class="o">(</span>most<span class="w"> </span>recent<span class="w"> </span>call<span class="w"> </span>last<span class="o">)</span>:
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;utils/ptrepack&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">3</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>?
-<span class="w">    </span>main<span class="o">()</span>
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;.../tables/scripts/ptrepack.py&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">349</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>main
-<span class="w">    </span><span class="nv">stats</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>stats,<span class="w"> </span><span class="nv">start</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>start,<span class="w"> </span><span class="nv">stop</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>stop,<span class="w"> </span><span class="nv">step</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>step<span class="o">)</span>
-<span class="w">  </span>File<span class="w"> </span><span class="s2">&quot;.../tables/scripts/ptrepack.py&quot;</span>,<span class="w"> </span>line<span class="w"> </span><span class="m">107</span>,<span class="w"> </span><span class="k">in</span><span class="w"> </span>copy_leaf
-<span class="w">    </span>raise<span class="w"> </span>RuntimeError,<span class="w"> </span><span class="s2">&quot;Please check that the node names are not</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack --complevel<span class="o">=</span><span class="m">1</span> tutorial1.h5:/detector/readout reduced.h5:/rawdata
+Problems doing the copy from <span class="s1">&#39;tutorial1.h5:/detector/readout&#39;</span> to <span class="s1">&#39;reduced.h5:/rawdata&#39;</span>
+The error was --&gt; tables.exceptions.NodeError: destination group <span class="se">\`</span><span class="sb">`</span>/<span class="se">\`</span><span class="sb">`</span> already has a node named <span class="se">\`</span><span class="sb">`</span>rawdata<span class="sb">``</span><span class="p">;</span> you may want to use the <span class="se">\`</span><span class="sb">`</span>overwrite<span class="sb">``</span> argument
+The destination file looks like:
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/rawdata <span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">))</span> <span class="s1">&#39;Readout example&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
+Traceback <span class="o">(</span>most recent call last<span class="o">)</span>:
+  File <span class="s2">&quot;utils/ptrepack&quot;</span>, line <span class="m">3</span>, <span class="k">in</span> ?
+    main<span class="o">()</span>
+  File <span class="s2">&quot;.../tables/scripts/ptrepack.py&quot;</span>, line <span class="m">349</span>, <span class="k">in</span> main
+    <span class="nv">stats</span> <span class="o">=</span> stats, <span class="nv">start</span> <span class="o">=</span> start, <span class="nv">stop</span> <span class="o">=</span> stop, <span class="nv">step</span> <span class="o">=</span> step<span class="o">)</span>
+  File <span class="s2">&quot;.../tables/scripts/ptrepack.py&quot;</span>, line <span class="m">107</span>, <span class="k">in</span> copy_leaf
+    raise RuntimeError, <span class="s2">&quot;Please check that the node names are not</span>
 <span class="s2">    duplicated in destination, and if so, add the --overwrite-nodes flag</span>
 <span class="s2">    if desired.&quot;</span>
-RuntimeError:<span class="w"> </span>Please<span class="w"> </span>check<span class="w"> </span>that<span class="w"> </span>the<span class="w"> </span>node<span class="w"> </span>names<span class="w"> </span>are<span class="w"> </span>not<span class="w"> </span>duplicated<span class="w"> </span><span class="k">in</span>
-destination,<span class="w"> </span>and<span class="w"> </span><span class="k">if</span><span class="w"> </span>so,<span class="w"> </span>add<span class="w"> </span>the<span class="w"> </span>--overwrite-nodes<span class="w"> </span>flag<span class="w"> </span><span class="k">if</span><span class="w"> </span>desired.
+RuntimeError: Please check that the node names are not duplicated <span class="k">in</span>
+destination, and <span class="k">if</span> so, add the --overwrite-nodes flag <span class="k">if</span> desired.
 </pre></div>
 </div>
 <p>Ooops! We ran into problems: we forgot that the /rawdata pathname already
 existed in destination file. Let’s add the –overwrite-nodes, as the verbose
 error suggested:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>--overwrite-nodes<span class="w"> </span>--complevel<span class="o">=</span><span class="m">1</span><span class="w"> </span>tutorial1.h5:/detector/readout
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack --overwrite-nodes --complevel<span class="o">=</span><span class="m">1</span> tutorial1.h5:/detector/readout
 reduced.h5:/rawdata
-$<span class="w"> </span>ptdump<span class="w"> </span>reduced.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/rawdata<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;Readout example&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
+$ ptdump reduced.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/rawdata <span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;Readout example&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
 </pre></div>
 </div>
 <p>you can check how the filter properties has been changed for the /rawdata
 table. Check as the other nodes still exists.</p>
 <p>Finally, let’s copy a <em>slice</em> of the readout table in origin to destination,
 under a new group called /slices and with the name, for example, aslice:</p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptrepack<span class="w"> </span>-R1,8,3<span class="w"> </span>tutorial1.h5:/detector/readout<span class="w"> </span>reduced.h5:/slices/aslice
-$<span class="w"> </span>ptdump<span class="w"> </span>reduced.h5
-/<span class="w"> </span><span class="o">(</span>RootGroup<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/rawdata<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">)</span>,<span class="w"> </span>shuffle,<span class="w"> </span>zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span><span class="w"> </span><span class="s1">&#39;Readout example&#39;</span>
-/columns<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/columns/name<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Name column selection&#39;</span>
-/columns/pressure<span class="w"> </span><span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Pressure column selection&#39;</span>
-/slices<span class="w"> </span><span class="o">(</span>Group<span class="o">)</span><span class="w"> </span><span class="s1">&#39;&#39;</span>
-/slices/aslice<span class="w"> </span><span class="o">(</span>Table<span class="o">(</span><span class="m">3</span>,<span class="o">))</span><span class="w"> </span><span class="s1">&#39;Readout example&#39;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ ptrepack -R1,8,3 tutorial1.h5:/detector/readout reduced.h5:/slices/aslice
+$ ptdump reduced.h5
+/ <span class="o">(</span>RootGroup<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/rawdata <span class="o">(</span>Table<span class="o">(</span><span class="m">10</span>,<span class="o">)</span>, shuffle, zlib<span class="o">(</span><span class="m">1</span><span class="o">))</span> <span class="s1">&#39;Readout example&#39;</span>
+/columns <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/columns/name <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Name column selection&#39;</span>
+/columns/pressure <span class="o">(</span>Array<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Pressure column selection&#39;</span>
+/slices <span class="o">(</span>Group<span class="o">)</span> <span class="s1">&#39;&#39;</span>
+/slices/aslice <span class="o">(</span>Table<span class="o">(</span><span class="m">3</span>,<span class="o">))</span> <span class="s1">&#39;Readout example&#39;</span>
 </pre></div>
 </div>
 <p>note how only 3 rows of the original readout table has been copied to the new
@@ -484,7 +482,7 @@ <h3>A small tutorial on ptrepack<a class="headerlink" href="#a-small-tutorial-on
 </section>
 </section>
 <section id="pt2to3">
-<h2>pt2to3<a class="headerlink" href="#pt2to3" title="Link to this heading">¶</a></h2>
+<h2>pt2to3<a class="headerlink" href="#pt2to3" title="Permalink to this heading">¶</a></h2>
 <p>The PyTables 3.x series now follows <a class="reference external" href="http://www.python.org/dev/peps/pep-0008/">PEP 8</a> coding standard.  This makes
 using PyTables more idiomatic with surrounding Python code that also adheres
 to this standard.  The primary way that the 2.x series was <em>not</em> PEP 8
@@ -499,32 +497,32 @@ <h2>pt2to3<a class="headerlink" href="#pt2to3" title="Link to this heading">¶</
 was implemented using regular expressions rather than a fancier AST-based
 method. By using regexes, <code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> works on Python and Cython code.</p>
 <p><code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> <strong>help:</strong></p>
-<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage:<span class="w"> </span>pt2to3<span class="w"> </span><span class="o">[</span>-h<span class="o">]</span><span class="w"> </span><span class="o">[</span>-r<span class="o">]</span><span class="w"> </span><span class="o">[</span>-p<span class="o">]</span><span class="w"> </span><span class="o">[</span>-o<span class="w"> </span>OUTPUT<span class="o">]</span><span class="w"> </span><span class="o">[</span>-i<span class="o">]</span><span class="w"> </span>filename
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>usage: pt2to3 <span class="o">[</span>-h<span class="o">]</span> <span class="o">[</span>-r<span class="o">]</span> <span class="o">[</span>-p<span class="o">]</span> <span class="o">[</span>-o OUTPUT<span class="o">]</span> <span class="o">[</span>-i<span class="o">]</span> filename
 
-PyTables<span class="w"> </span><span class="m">2</span>.x<span class="w"> </span>-&gt;<span class="w"> </span><span class="m">3</span>.x<span class="w"> </span>API<span class="w"> </span>transition<span class="w"> </span>tool<span class="w"> </span>This<span class="w"> </span>tool<span class="w"> </span>displays<span class="w"> </span>to<span class="w"> </span>standard<span class="w"> </span>out,<span class="w"> </span>so
-it<span class="w"> </span>is<span class="w"> </span>common<span class="w"> </span>to<span class="w"> </span>pipe<span class="w"> </span>this<span class="w"> </span>to<span class="w"> </span>another<span class="w"> </span>file:<span class="w"> </span>$<span class="w"> </span>pt2to3<span class="w"> </span>oldfile.py<span class="w"> </span>&gt;<span class="w"> </span>newfile.py
+PyTables <span class="m">2</span>.x -&gt; <span class="m">3</span>.x API transition tool This tool displays to standard out, so
+it is common to pipe this to another file: $ pt2to3 oldfile.py &gt; newfile.py
 
-positional<span class="w"> </span>arguments:
-<span class="w">  </span>filename<span class="w">              </span>path<span class="w"> </span>to<span class="w"> </span>input<span class="w"> </span>file.
+positional arguments:
+  filename              path to input file.
 
-optional<span class="w"> </span>arguments:
-<span class="w">  </span>-h,<span class="w"> </span>--help<span class="w">            </span>show<span class="w"> </span>this<span class="w"> </span><span class="nb">help</span><span class="w"> </span>message<span class="w"> </span>and<span class="w"> </span><span class="nb">exit</span>
-<span class="w">  </span>-r,<span class="w"> </span>--reverse<span class="w">         </span>reverts<span class="w"> </span>changes,<span class="w"> </span>going<span class="w"> </span>from<span class="w"> </span><span class="m">3</span>.x<span class="w"> </span>-&gt;<span class="w"> </span><span class="m">2</span>.x.
-<span class="w">  </span>-p,<span class="w"> </span>--no-ignore-previous
-<span class="w">                        </span>ignores<span class="w"> </span>previous_api<span class="o">()</span><span class="w"> </span>calls.
-<span class="w">  </span>-o<span class="w"> </span>OUTPUT<span class="w">             </span>output<span class="w"> </span>file<span class="w"> </span>to<span class="w"> </span>write<span class="w"> </span>to.
-<span class="w">  </span>-i,<span class="w"> </span>--inplace<span class="w">         </span>overwrites<span class="w"> </span>the<span class="w"> </span>file<span class="w"> </span><span class="k">in</span>-place.
+optional arguments:
+  -h, --help            show this <span class="nb">help</span> message and <span class="nb">exit</span>
+  -r, --reverse         reverts changes, going from <span class="m">3</span>.x -&gt; <span class="m">2</span>.x.
+  -p, --no-ignore-previous
+                        ignores previous_api<span class="o">()</span> calls.
+  -o OUTPUT             output file to write to.
+  -i, --inplace         overwrites the file <span class="k">in</span>-place.
 </pre></div>
 </div>
 <p>Note that <code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> only works on a single file, not a a directory.  However,
 a simple BASH script may be written to run <code class="docutils literal notranslate"><span class="pre">pt2to3</span></code> over an entire directory
 and all sub-directories:</p>
 <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="ch">#!/bin/bash</span>
-<span class="k">for</span><span class="w"> </span>f<span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="k">$(</span>find<span class="w"> </span>.<span class="k">)</span>
+<span class="k">for</span> f <span class="k">in</span> <span class="k">$(</span>find .<span class="k">)</span>
 <span class="k">do</span>
-<span class="w">    </span><span class="nb">echo</span><span class="w"> </span><span class="nv">$f</span>
-<span class="w">    </span>pt2to3<span class="w"> </span><span class="nv">$f</span><span class="w"> </span>&gt;<span class="w"> </span>temp.txt
-<span class="w">    </span>mv<span class="w"> </span>temp.txt<span class="w"> </span><span class="nv">$f</span>
+    <span class="nb">echo</span> <span class="nv">$f</span>
+    pt2to3 <span class="nv">$f</span> &gt; temp.txt
+    mv temp.txt <span class="nv">$f</span>
 <span class="k">done</span>
 </pre></div>
 </div>
