From 940eb3703127b8e7c8f3008efd60a77bbe5e6a72 Mon Sep 17 00:00:00 2001
From: Ivan Vilata-i-Balaguer <ivan@selidor.net>
Date: Thu, 5 Oct 2023 12:00:51 +0200
Subject: [PATCH] Update to PyTables v3.9.0

---
 .buildinfo                                    |   2 +-
 FAQ.html                                      | 229 ++------
 MIGRATING_TO_2.x.html                         | 200 ++-----
 MIGRATING_TO_3.x.html                         | 185 ++----
 _images/b2nd_getslice_big.png                 | Bin 0 -> 68902 bytes
 _images/b2nd_getslice_small.png               | Bin 0 -> 71351 bytes
 _modules/index.html                           | 160 +----
 _modules/tables/array.html                    | 204 ++-----
 _modules/tables/atom.html                     | 283 ++++-----
 _modules/tables/attributeset.html             | 187 ++----
 _modules/tables/carray.html                   | 167 +-----
 _modules/tables/description.html              | 207 +++----
 _modules/tables/earray.html                   | 174 ++----
 _modules/tables/exceptions.html               | 249 +++-----
 _modules/tables/expression.html               | 194 ++----
 _modules/tables/file.html                     | 386 ++++++------
 _modules/tables/filters.html                  | 176 ++----
 _modules/tables/flavor.html                   | 167 +-----
 _modules/tables/group.html                    | 244 +++-----
 _modules/tables/index.html                    | 182 ++----
 _modules/tables/indexes.html                  | 167 +-----
 _modules/tables/leaf.html                     | 250 +++-----
 _modules/tables/link.html                     | 226 +++----
 _modules/tables/misc/enum.html                | 209 ++-----
 _modules/tables/node.html                     | 214 +++----
 _modules/tables/nodes/filenode.html           | 257 ++++----
 _modules/tables/table.html                    | 551 +++++++++++-------
 _modules/tables/tests/common.html             | 171 ++----
 _modules/tables/tests/test_suite.html         | 167 +-----
 _modules/tables/unimplemented.html            | 172 ++----
 _modules/tables/vlarray.html                  | 211 +++----
 _sources/cookbook/hints_for_sql_users.rst.txt |   4 +-
 _sources/cookbook/inmemory_hdf5_files.rst.txt |   4 +-
 .../RELEASE_NOTES_v3.1.x.rst.txt              |  24 +-
 .../RELEASE_NOTES_v3.2.x.rst.txt              |  32 +-
 .../RELEASE_NOTES_v3.3.x.rst.txt              |   8 +-
 .../RELEASE_NOTES_v3.4.x.rst.txt              |  20 +-
 .../RELEASE_NOTES_v3.5.x.rst.txt              |   6 +-
 .../RELEASE_NOTES_v3.6.x.rst.txt              |   6 +-
 .../RELEASE_NOTES_v3.7.x.rst.txt              |  53 +-
 .../RELEASE_NOTES_v3.8.x.rst.txt              |  31 +-
 .../RELEASE_NOTES_v3.9.x.rst.txt              |  10 +
 _sources/release_notes.rst.txt                |   8 +-
 _sources/usersguide/index.rst.txt             |   2 +-
 _sources/usersguide/installation.rst.txt      | 121 +++-
 .../libref/declarative_classes.rst.txt        |   4 +
 _sources/usersguide/optimization.rst.txt      |  77 +++
 _sources/usersguide/tutorials.rst.txt         |  16 +-
 _sources/usersguide/usersguide.rst.txt        |   2 +-
 _static/basic.css                             |  27 +-
 _static/css/badge_only.css                    |   2 +-
 _static/css/theme.css                         |   4 +-
 _static/doctools.js                           |   2 +-
 _static/documentation_options.js              |   5 +-
 _static/graphviz.css                          |   2 +-
 _static/js/theme.js                           |   2 +-
 _static/language_data.js                      |   2 +-
 _static/pygments.css                          |   1 +
 _static/searchtools.js                        |  28 +-
 _static/sphinx_highlight.js                   |  16 +-
 cookbook/custom_data_types.html               | 174 +-----
 cookbook/hints_for_sql_users.html             | 226 ++-----
 cookbook/index.html                           | 173 +-----
 cookbook/inmemory_hdf5_files.html             | 186 ++----
 cookbook/no_root_install.html                 | 186 ++----
 cookbook/py2exe_howto.html                    | 174 +-----
 cookbook/simple_table.html                    | 174 +-----
 cookbook/tailoring_atexit_hooks.html          | 174 +-----
 cookbook/threading.html                       | 182 ++----
 dev_team.html                                 | 169 +-----
 development.html                              | 171 +-----
 downloads.html                                | 175 +-----
 genindex.html                                 | 211 ++-----
 index.html                                    | 173 +-----
 objects.inv                                   | Bin 7825 -> 7987 bytes
 other_material.html                           | 179 ++----
 project_pointers.html                         | 171 +-----
 py-modindex.html                              | 159 +----
 release-notes/RELEASE_NOTES_v0.7.1.html       | 179 ++----
 release-notes/RELEASE_NOTES_v0.7.2.html       | 179 ++----
 release-notes/RELEASE_NOTES_v0.8.html         | 179 ++----
 release-notes/RELEASE_NOTES_v0.9.1.html       | 179 ++----
 release-notes/RELEASE_NOTES_v0.9.html         | 187 ++----
 release-notes/RELEASE_NOTES_v1.0.html         | 187 ++----
 release-notes/RELEASE_NOTES_v1.1.1.html       | 187 ++----
 release-notes/RELEASE_NOTES_v1.1.html         | 187 ++----
 release-notes/RELEASE_NOTES_v1.2.1.html       | 189 ++----
 release-notes/RELEASE_NOTES_v1.2.2.html       | 189 ++----
 release-notes/RELEASE_NOTES_v1.2.3.html       | 189 ++----
 release-notes/RELEASE_NOTES_v1.2.html         | 189 ++----
 release-notes/RELEASE_NOTES_v1.3.1.html       | 189 ++----
 release-notes/RELEASE_NOTES_v1.3.2.html       | 189 ++----
 release-notes/RELEASE_NOTES_v1.3.3.html       | 189 ++----
 release-notes/RELEASE_NOTES_v1.3.html         | 189 ++----
 release-notes/RELEASE_NOTES_v1.4.html         | 189 ++----
 release-notes/RELEASE_NOTES_v2.0.x-pro.html   | 202 ++-----
 release-notes/RELEASE_NOTES_v2.0.x.html       | 205 ++-----
 release-notes/RELEASE_NOTES_v2.1.x-pro.html   | 186 ++----
 release-notes/RELEASE_NOTES_v2.1.x.html       | 191 ++----
 release-notes/RELEASE_NOTES_v2.2.x-pro.html   | 208 ++-----
 release-notes/RELEASE_NOTES_v2.2.x.html       | 213 ++-----
 release-notes/RELEASE_NOTES_v2.3.x.html       | 189 ++----
 release-notes/RELEASE_NOTES_v2.4.x.html       | 191 ++----
 release-notes/RELEASE_NOTES_v3.0.x.html       | 195 ++-----
 release-notes/RELEASE_NOTES_v3.1.x.html       | 219 ++-----
 release-notes/RELEASE_NOTES_v3.2.x.html       | 241 +++-----
 release-notes/RELEASE_NOTES_v3.3.x.html       | 193 ++----
 release-notes/RELEASE_NOTES_v3.4.x.html       | 227 ++------
 release-notes/RELEASE_NOTES_v3.5.x.html       | 193 ++----
 release-notes/RELEASE_NOTES_v3.6.x.html       | 195 ++-----
 release-notes/RELEASE_NOTES_v3.7.x.html       | 230 ++------
 release-notes/RELEASE_NOTES_v3.8.x.html       | 256 ++------
 release-notes/RELEASE_NOTES_v3.9.x.html       | 310 ++++++++++
 release_notes.html                            | 355 +++++------
 search.html                                   | 165 +-----
 searchindex.js                                |   2 +-
 usersguide/bibliography.html                  | 174 +-----
 usersguide/condition_syntax.html              | 174 +-----
 usersguide/datatypes.html                     | 176 +-----
 usersguide/file_format.html                   | 224 ++-----
 usersguide/filenode.html                      | 196 ++-----
 usersguide/index.html                         | 179 ++----
 usersguide/installation.html                  | 321 +++++-----
 usersguide/introduction.html                  | 182 ++----
 usersguide/libref.html                        | 174 +-----
 usersguide/libref/declarative_classes.html    | 425 ++++++--------
 usersguide/libref/expr_class.html             | 213 ++-----
 usersguide/libref/file_class.html             | 305 +++-------
 usersguide/libref/filenode_classes.html       | 297 +++-------
 usersguide/libref/helper_classes.html         | 305 +++-------
 usersguide/libref/hierarchy_classes.html      | 353 ++++-------
 usersguide/libref/homogenous_storage.html     | 265 +++------
 usersguide/libref/link_classes.html           | 223 ++-----
 usersguide/libref/structured_storage.html     | 431 ++++++--------
 usersguide/libref/top_level.html              | 209 ++-----
 usersguide/optimization.html                  | 365 +++++-------
 usersguide/parameter_files.html               | 276 +++------
 usersguide/tutorials.html                     | 283 +++------
 usersguide/usersguide.html                    | 178 ++----
 usersguide/utilities.html                     | 188 ++----
 140 files changed, 6715 insertions(+), 16699 deletions(-)
 create mode 100644 _images/b2nd_getslice_big.png
 create mode 100644 _images/b2nd_getslice_small.png
 create mode 100644 _sources/release-notes/RELEASE_NOTES_v3.9.x.rst.txt
 create mode 100644 release-notes/RELEASE_NOTES_v3.9.x.html

diff --git a/.buildinfo b/.buildinfo
index aae71e2..3aa1061 100644
--- a/.buildinfo
+++ 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: a5b20a9794c7e6a5f2c6c6d8fe8a932e
+config: 2c681a2b95066441eb2d9f0fc4baf8b7
 tags: 645f666f9bcd5a90fca523b33c5a78b7
diff --git a/FAQ.html b/FAQ.html
index 2e846d9..81738a9 100644
--- a/FAQ.html
+++ b/FAQ.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>FAQ &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>FAQ &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="_static/js/theme.js"></script>
-
-    
+        <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 src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
     <link rel="next" title="Other Material" href="other_material.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -164,77 +111,36 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>FAQ</li>
-    
-    
+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">FAQ</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
             <a href="_sources/FAQ.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="faq">
-<h1>FAQ<a class="headerlink" href="#faq" title="Permalink to this heading">¶</a></h1>
+<h1>FAQ<a class="headerlink" href="#faq" title="Link to this heading">¶</a></h1>
 <section id="general-questions">
-<h2>General questions<a class="headerlink" href="#general-questions" title="Permalink to this heading">¶</a></h2>
+<h2>General questions<a class="headerlink" href="#general-questions" title="Link to this heading">¶</a></h2>
 <section id="what-is-pytables">
-<h3>What is PyTables?<a class="headerlink" href="#what-is-pytables" title="Permalink to this heading">¶</a></h3>
+<h3>What is PyTables?<a class="headerlink" href="#what-is-pytables" title="Link 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
@@ -245,12 +151,12 @@ <h3>What is PyTables?<a class="headerlink" href="#what-is-pytables" title="Perma
 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="Permalink to this heading">¶</a></h3>
+<h3>What are PyTables’ licensing terms?<a class="headerlink" href="#what-are-pytables-licensing-terms" title="Link 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="Permalink 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="Link 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
@@ -261,7 +167,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Why HDF5?<a class="headerlink" href="#why-hdf5" title="Link 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">
@@ -274,7 +180,7 @@ <h3>Why HDF5?<a class="headerlink" href="#why-hdf5" title="Permalink to this hea
 </ul>
 </section>
 <section id="why-python">
-<h3>Why Python?<a class="headerlink" href="#why-python" title="Permalink to this heading">¶</a></h3>
+<h3>Why Python?<a class="headerlink" href="#why-python" title="Link 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
@@ -299,7 +205,7 @@ <h3>Why Python?<a class="headerlink" href="#why-python" title="Permalink to this
 </ol>
 </section>
 <section id="why-numpy">
-<h3>Why NumPy?<a class="headerlink" href="#why-numpy" title="Permalink to this heading">¶</a></h3>
+<h3>Why NumPy?<a class="headerlink" href="#why-numpy" title="Link 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.
@@ -308,7 +214,7 @@ <h3>Why NumPy?<a class="headerlink" href="#why-numpy" title="Permalink to this h
 </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="Permalink to this heading">¶</a></h2>
+<h2>Where can PyTables be applied?<a class="headerlink" href="#where-can-pytables-be-applied" title="Link 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>
@@ -334,7 +240,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Is PyTables safe?<a class="headerlink" href="#is-pytables-safe" title="Link 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
@@ -344,7 +250,7 @@ <h3>Is PyTables safe?<a class="headerlink" href="#is-pytables-safe" title="Perma
 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="Permalink 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="Link 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
@@ -384,7 +290,7 @@ <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="Permalink 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="Link 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">
@@ -413,17 +319,17 @@ <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Can you show me some screenshots?<a class="headerlink" href="#can-you-show-me-some-screenshots" title="Link 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="Permalink 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="Link 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
@@ -441,7 +347,7 @@ <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="Permalink 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="Link 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
@@ -451,7 +357,7 @@ <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="Permalink 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="Link 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
@@ -467,7 +373,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Why was PyTables born?<a class="headerlink" href="#why-was-pytables-born" title="Link 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
@@ -485,7 +391,7 @@ <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="Permalink 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="Link 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
@@ -511,20 +417,20 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>How can I cite PyTables?<a class="headerlink" href="#how-can-i-cite-pytables" title="Link 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">
@@ -545,15 +451,15 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>PyTables 2.x issues<a class="headerlink" href="#pytables-2-x-issues" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -572,7 +478,7 @@ <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="Permalink 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="Link 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
@@ -590,7 +496,7 @@ <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="Permalink 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="Link 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
@@ -619,11 +525,11 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Installation issues<a class="headerlink" href="#installation-issues" title="Link to this heading">¶</a></h2>
 <section id="windows">
-<h3>Windows<a class="headerlink" href="#windows" title="Permalink to this heading">¶</a></h3>
+<h3>Windows<a class="headerlink" href="#windows" title="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Error when importing tables<a class="headerlink" href="#error-when-importing-tables" title="Link 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>
@@ -754,50 +660,33 @@ <h4>Error when importing tables<a class="headerlink" href="#error-when-importing
 
 
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diff --git a/MIGRATING_TO_2.x.html b/MIGRATING_TO_2.x.html
index ef86e01..9064d39 100644
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+++ b/MIGRATING_TO_2.x.html
@@ -1,51 +1,24 @@
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+  <title>Migrating from PyTables 1.x to 2.x &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
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   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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@@ -147,75 +94,33 @@
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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">Migrating from PyTables 1.x to 2.x</li>
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            <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="Permalink 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="Link 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>
@@ -233,7 +138,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>New type system<a class="headerlink" href="#new-type-system" title="Link 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">
@@ -267,7 +172,7 @@ <h2>New type system<a class="headerlink" href="#new-type-system" title="Permalin
 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="Permalink 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="Link 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
@@ -297,7 +202,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>New query system<a class="headerlink" href="#new-query-system" title="Link 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>
@@ -319,7 +224,7 @@ <h2>New query system<a class="headerlink" href="#new-query-system" title="Permal
 </ul>
 </section>
 <section id="new-indexing-system">
-<h2>New indexing system<a class="headerlink" href="#new-indexing-system" title="Permalink to this heading">¶</a></h2>
+<h2>New indexing system<a class="headerlink" href="#new-indexing-system" title="Link 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
@@ -331,7 +236,7 @@ <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="Permalink 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="Link 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
@@ -354,7 +259,7 @@ <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="Permalink 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="Link 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
@@ -368,7 +273,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>New flavor specification<a class="headerlink" href="#new-flavor-specification" title="Link 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>
@@ -377,7 +282,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>System attributes can be deleted now<a class="headerlink" href="#system-attributes-can-be-deleted-now" title="Link 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.
@@ -385,7 +290,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Byteorder issues<a class="headerlink" href="#byteorder-issues" title="Link 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
@@ -396,7 +301,7 @@ <h2>Byteorder issues<a class="headerlink" href="#byteorder-issues" title="Permal
 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="Permalink to this heading">¶</a></h2>
+<h2>Tunable internal buffer sizes<a class="headerlink" href="#tunable-internal-buffer-sizes" title="Link 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
@@ -405,7 +310,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Changes to module names<a class="headerlink" href="#changes-to-module-names" title="Link 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
@@ -422,7 +327,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Other changes<a class="headerlink" href="#other-changes" title="Link 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>
@@ -457,50 +362,33 @@ <h2>Other changes<a class="headerlink" href="#other-changes" title="Permalink to
 
 
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diff --git a/MIGRATING_TO_3.x.html b/MIGRATING_TO_3.x.html
index bad1b62..b5a037f 100644
--- a/MIGRATING_TO_3.x.html
+++ b/MIGRATING_TO_3.x.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
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   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Migrating from PyTables 2.x to 3.x &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="_static/graphviz.css" type="text/css" />
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+  <title>Migrating from PyTables 2.x to 3.x &mdash; PyTables 3.9.0 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" />
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+        <script src="_static/documentation_options.js?v=e55a5be6"></script>
+        <script src="_static/doctools.js?v=888ff710"></script>
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+    <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
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     <link rel="next" title="Downloads" href="downloads.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
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+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
-            
-          
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -150,73 +97,32 @@
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-        
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-    
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+      <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>
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-            
+             
   <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="Permalink 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="Link 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>
@@ -232,7 +138,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Python 3 at Last!<a class="headerlink" href="#python-3-at-last" title="Link 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
@@ -241,14 +147,14 @@ <h2>Python 3 at Last!<a class="headerlink" href="#python-3-at-last" title="Perma
 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Unicode all the strings!<a class="headerlink" href="#unicode-all-the-strings" title="Link 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
@@ -261,13 +167,13 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Major API Changes<a class="headerlink" href="#major-api-changes" title="Link 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="Permalink to this heading">¶</a></h3>
+<h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Link 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
@@ -333,7 +239,7 @@ <h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Permal
 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="Permalink 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="Link 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>
@@ -356,7 +262,7 @@ <h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Permal
 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="Permalink to this heading">¶</a></h3>
+<span id="id1"></span><h3>API Name Changes<a class="headerlink" href="#api-name-changes" title="Link 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>
@@ -1565,50 +1471,33 @@ <h3>PEP 8 Compliance<a class="headerlink" href="#pep-8-compliance" title="Permal
 
 
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
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-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>Overview: module code</li>
-    
-    
+      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">Overview: module code</li>
       <li class="wy-breadcrumbs-aside">
-        
       </li>
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   </ul>
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>All modules for which code is available</h1>
 <ul><li><a href="tables/array.html">tables.array</a></li>
 <li><a href="tables/atom.html">tables.atom</a></li>
@@ -194,6 +103,7 @@ <h1>All modules for which code is available</h1>
 <li><a href="tables/filters.html">tables.filters</a></li>
 <li><a href="tables/flavor.html">tables.flavor</a></li>
 <li><a href="tables/group.html">tables.group</a></li>
+<li><a href="tables/hdf5extension.html">tables.hdf5extension</a></li>
 <li><a href="tables/index.html">tables.index</a></li>
 <li><a href="tables/indexes.html">tables.indexes</a></li>
 <li><a href="tables/leaf.html">tables.leaf</a></li>
@@ -211,46 +121,30 @@ <h1>All modules for which code is available</h1>
 </ul>
 
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   <hr/>
 
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-    <p>
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/_modules/tables/array.html b/_modules/tables/array.html
index f8990d3..dc1613d 100644
--- a/_modules/tables/array.html
+++ b/_modules/tables/array.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.array &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
-  
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-  
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+  <title>tables.array &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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     <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">
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
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-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
-            
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         <div class="rst-content">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
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   </ul>
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.array</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the Array class.&quot;&quot;&quot;</span>
 
@@ -207,7 +115,9 @@ <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>
+<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>
 
 <span class="sd">    This class provides methods to write or read data to or from array objects</span>
@@ -410,7 +320,9 @@ <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>
+<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>
 
 <span class="sd">        If this array is of an enumerated type, the corresponding Enum instance</span>
@@ -425,7 +337,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method returns an iterator yielding an object of the current</span>
@@ -460,7 +375,10 @@ <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>
+
+<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>
 
 <span class="sd">        This is equivalent to calling :meth:`Array.iterrows` with default</span>
@@ -488,6 +406,7 @@ <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>
 
@@ -497,7 +416,9 @@ <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>
+<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>
 
 <span class="sd">        The element is returned as an object of the current flavor.</span>
@@ -534,6 +455,7 @@ <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>
 
@@ -650,7 +572,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
         <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">            This is for for use with the hyperslab selection routines.</span>
+<span class="sd">            This is for use with the hyperslab selection routines.</span>
 
 <span class="sd">            &quot;&quot;&quot;</span>
 
@@ -776,7 +698,9 @@ <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>
+<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>
 
 <span class="sd">        The set of tokens allowed for the key is the same as that for extended</span>
@@ -824,7 +748,10 @@ <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>
+
+<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>
 
 <span class="sd">        It takes different actions depending on the type of the key parameter:</span>
@@ -886,6 +813,7 @@ <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>
 
@@ -1014,7 +942,9 @@ <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>
+<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>
 
 <span class="sd">        The start, stop and step parameters can be used to select only a</span>
@@ -1052,6 +982,7 @@ <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>
@@ -1085,6 +1016,7 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 <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>
 
@@ -1099,46 +1031,30 @@ <h1>Source code for tables.array</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/atom.html b/_modules/tables/atom.html
index b6773d6..975a2d0 100644
--- a/_modules/tables/atom.html
+++ b/_modules/tables/atom.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.atom &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.atom &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.atom</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Atom classes for describing dataset contents.&quot;&quot;&quot;</span>
 
@@ -220,7 +128,9 @@ <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>
+<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>
 
 <span class="sd">    Returns a tuple of (kind, itemsize). If no item size is present in the type</span>
@@ -255,6 +165,7 @@ <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>
@@ -380,7 +291,9 @@ <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>
+<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>
 
 <span class="sd">    The meaning of *atomic* is that individual elements of a cell can</span>
@@ -481,7 +394,9 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <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>
 
@@ -508,7 +423,10 @@ <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>
 
@@ -555,7 +473,10 @@ <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>
 
@@ -582,7 +503,10 @@ <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>
 
@@ -650,6 +574,7 @@ <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>
@@ -708,7 +633,9 @@ <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>
+<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>
 
 <span class="sd">        Constructor arguments to be overridden must be passed as</span>
@@ -735,6 +662,7 @@ <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>
 
@@ -757,7 +685,10 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
                 <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>
+
+<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>
 
 <span class="sd">    The item size is the *maximum* length in characters of strings.</span>
@@ -781,7 +712,10 @@ <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>
+
+<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>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;bool&#39;</span>
@@ -794,7 +728,10 @@ <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>
+
+<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>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;int&#39;</span>
@@ -804,7 +741,10 @@ <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>
+
+<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>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;uint&#39;</span>
@@ -814,7 +754,10 @@ <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>
+
+<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>
 
     <span class="n">kind</span> <span class="o">=</span> <span class="s1">&#39;float&#39;</span>
@@ -823,6 +766,7 @@ <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">    `itemsize`.&quot;&quot;&quot;</span>
@@ -857,7 +801,9 @@ <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>
+<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>
 
 <span class="sd">    Allowed item sizes are 8 (single precision) and 16 (double precision). This</span>
@@ -900,6 +846,7 @@ <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>
 
@@ -934,7 +881,9 @@ <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>
+<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>
 
     <span class="n">itemsize</span> <span class="o">=</span> <span class="mi">4</span>
@@ -945,7 +894,10 @@ <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>
+
+<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>
 
     <span class="n">itemsize</span> <span class="o">=</span> <span class="mi">8</span>
@@ -956,7 +908,10 @@ <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>
+
+<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>
 
 <span class="sd">    Instances of this class describe the atom type used to store enumerated</span>
@@ -1141,6 +1096,7 @@ <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>
@@ -1228,7 +1184,9 @@ <h1>Source code for tables.atom</h1><div class="highlight"><pre>
         <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>
+<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>
 
 <span class="sd">    This class describes a *row* of the VLArray class, rather than an atom. It</span>
@@ -1266,11 +1224,17 @@ <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>
+<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>
 
 <span class="sd">    This class describes a *row* of the VLArray class, rather than an atom.  It</span>
@@ -1300,7 +1264,9 @@ <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>
@@ -1311,6 +1277,7 @@ <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>
@@ -1322,14 +1289,20 @@ <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>
+<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>
 
 <span class="sd">    This class is meant to fit *any* kind of Python object in a row of a</span>
@@ -1352,56 +1325,44 @@ <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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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diff --git a/_modules/tables/attributeset.html b/_modules/tables/attributeset.html
index ff696b2..d687c8a 100644
--- a/_modules/tables/attributeset.html
+++ b/_modules/tables/attributeset.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.attributeset &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
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-  
+  <title>tables.attributeset &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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-          
 
           
-            <a href="../../index.html">
-          
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
-        
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-      <nav class="wy-nav-top" aria-label="top navigation">
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
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-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the AttributeSet class.&quot;&quot;&quot;</span>
 
@@ -237,7 +145,9 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
         <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>
+<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>
 
 <span class="sd">    This class provides methods to create new HDF5 node attributes,</span>
@@ -434,7 +344,9 @@ <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>
+<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>
 
 <span class="sd">        The attrset string selects the attribute set to be used.  A</span>
@@ -451,6 +363,7 @@ <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>
 
@@ -750,7 +663,9 @@ <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>
+<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>
 
 <span class="sd">        A true value is returned if the attribute set has an attribute</span>
@@ -760,7 +675,10 @@ <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>
+
+<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>
 
         <span class="k">if</span> <span class="n">oldattrname</span> <span class="o">==</span> <span class="n">newattrname</span><span class="p">:</span>
@@ -776,6 +694,7 @@ <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>
 
@@ -820,7 +739,9 @@ <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>
+<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>
 
 <span class="sd">        Copies all user and certain system attributes to the given where</span>
@@ -836,6 +757,7 @@ <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>
@@ -864,6 +786,7 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
             <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>
@@ -873,46 +796,30 @@ <h1>Source code for tables.attributeset</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
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     </section>
-
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+  <script>
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           SphinxRtdTheme.Navigation.enable(true);
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-  
-    
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+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/carray.html b/_modules/tables/carray.html
index 3acaccd..eb11c2b 100644
--- a/_modules/tables/carray.html
+++ b/_modules/tables/carray.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.carray &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
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-  
+  <title>tables.carray &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
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   <h1>Source code for tables.carray</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the CArray class.&quot;&quot;&quot;</span>
 
@@ -200,7 +108,9 @@ <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>
+<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>
 
 <span class="sd">    The difference between a CArray and a normal Array (see</span>
@@ -462,49 +372,34 @@ <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>
 
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   <h1>Source code for tables.description</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Classes for describing columns for ``Table`` objects.&quot;&quot;&quot;</span>
 
@@ -212,7 +120,9 @@ <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>
+<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>
 
 <span class="sd">    Col instances are used as a means to declare the different properties of a</span>
@@ -250,6 +160,9 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 <span class="sd">    pos : int</span>
 <span class="sd">        Sets the position of column in table.  If unspecified, the position</span>
 <span class="sd">        will be randomly selected.</span>
+<span class="sd">    attrs : dict</span>
+<span class="sd">        Attribute metadata stored in the column (see</span>
+<span class="sd">        :ref:`AttributeSetClassDescr`).</span>
 
 <span class="sd">    &quot;&quot;&quot;</span>
 
@@ -263,7 +176,9 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <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>
 
@@ -276,6 +191,7 @@ <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>
@@ -347,12 +263,15 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 <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>
 <span class="sd">            position information, which is assigned to the `_v_pos`</span>
+<span class="sd">            attribute and an ``attrs`` argument for storing additional metadata</span>
+<span class="sd">            similar to `table.attrs`, which is assigned to the `_v_col_attrs`</span>
 <span class="sd">            attribute.</span>
 
 <span class="sd">            &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="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
                 <span class="n">pos</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;pos&#39;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
+                <span class="n">col_attrs</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;attrs&#39;</span><span class="p">,</span> <span class="p">{})</span>
                 <span class="n">offset</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;_offset&#39;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
                 <span class="n">class_from_prefix</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_class_from_prefix</span>
                 <span class="n">atombase</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="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
@@ -364,6 +283,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
                     <span class="bp">self</span><span class="o">.</span><span class="vm">__class__</span> <span class="o">=</span> <span class="n">colclass</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_v_pos</span> <span class="o">=</span> <span class="n">pos</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_v_offset</span> <span class="o">=</span> <span class="n">offset</span>
+                <span class="bp">self</span><span class="o">.</span><span class="n">_v_col_attrs</span> <span class="o">=</span> <span class="n">col_attrs</span>
 
             <span class="fm">__eq__</span> <span class="o">=</span> <span class="n">same_position</span><span class="p">(</span><span class="n">atombase</span><span class="o">.</span><span class="fm">__eq__</span><span class="p">)</span>
             <span class="n">_is_equal_to_atom</span> <span class="o">=</span> <span class="n">same_position</span><span class="p">(</span><span class="n">atombase</span><span class="o">.</span><span class="n">_is_equal_to_atom</span><span class="p">)</span>
@@ -389,6 +309,9 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <span class="n">rpar</span> <span class="o">=</span> <span class="n">atomrepr</span><span class="o">.</span><span class="n">rindex</span><span class="p">(</span><span class="s1">&#39;)&#39;</span><span class="p">)</span>
         <span class="n">atomargs</span> <span class="o">=</span> <span class="n">atomrepr</span><span class="p">[</span><span class="n">lpar</span> <span class="o">+</span> <span class="mi">1</span><span class="p">:</span><span class="n">rpar</span><span class="p">]</span>
         <span class="n">classname</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">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_v_col_attrs</span><span class="p">:</span>
+            <span class="k">return</span> <span class="p">(</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="sa">f</span><span class="s1">&#39;, attrs=</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">_v_col_attrs</span><span class="si">}</span><span class="s1">)&#39;</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="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>
@@ -399,6 +322,7 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
         <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>
 
@@ -470,7 +394,9 @@ <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>
+<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>
 
 <span class="sd">    An instance of this class is automatically bound to Table (see</span>
@@ -883,7 +809,9 @@ <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>
+<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>
 
 <span class="sd">        If type is &#39;All&#39; (the default), all column description objects (Col and</span>
@@ -911,6 +839,7 @@ <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>
 
@@ -925,6 +854,7 @@ <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;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>
 
@@ -947,7 +877,9 @@ <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>
+<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>
 
 <span class="sd">    This class is designed to be used as an easy, yet meaningful way to</span>
@@ -992,7 +924,10 @@ <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>
+
+<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>
 
     <span class="n">fields</span> <span class="o">=</span> <span class="p">{}</span>
@@ -1027,7 +962,10 @@ <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>
+
+<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>
 
 <span class="sd">    The descr parameter can be a Description or IsDescription</span>
@@ -1053,6 +991,7 @@ <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>
 
@@ -1159,46 +1098,30 @@ <h1>Source code for tables.description</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/earray.html b/_modules/tables/earray.html
index 4bdc883..c7a95ab 100644
--- a/_modules/tables/earray.html
+++ b/_modules/tables/earray.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.earray &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.earray &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
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-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.earray</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the EArray class.&quot;&quot;&quot;</span>
 
@@ -200,7 +108,9 @@ <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>
+<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>
 
 <span class="sd">    The main difference between an EArray and a CArray (see</span>
@@ -352,7 +262,7 @@ <h1>Source code for tables.earray</h1><div class="highlight"><pre>
     <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="c1"># The arrays conforms self expandibility?</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>
         <span class="n">narank</span> <span class="o">=</span> <span class="nb">len</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="nb">len</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">shape</span><span class="p">)</span>
         <span class="k">if</span> <span class="n">myrank</span> <span class="o">!=</span> <span class="n">narank</span><span class="p">:</span>
@@ -365,7 +275,9 @@ <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>
+<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>
 
 <span class="sd">        The sequence must have the same type as the array; otherwise a</span>
@@ -388,6 +300,7 @@ <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>
@@ -425,49 +338,34 @@ <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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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+  <script>
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+  </script> 
 
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diff --git a/_modules/tables/exceptions.html b/_modules/tables/exceptions.html
index 9b68d8f..1e53148 100644
--- a/_modules/tables/exceptions.html
+++ b/_modules/tables/exceptions.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  <title>tables.exceptions &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
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+  <title>tables.exceptions &mdash; PyTables 3.9.0 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" />
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-        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
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-        <script src="../../_static/underscore.js"></script>
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-        <script src="../../_static/sphinx_highlight.js"></script>
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+        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
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+        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+    <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
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+<body class="wy-body-for-nav"> 
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+          <a href="../../index.html">
             
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-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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-            
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-                3.8.1.dev0
+                3.9.0
               </div>
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   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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   </form>
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 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
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-        
-          <li><a href="../index.html">Module code</a> &raquo;</li>
-        
-      <li>tables.exceptions</li>
-    
-    
+      <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 class="wy-breadcrumbs-aside">
-        
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   <hr/>
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           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Declare exceptions and warnings that are specific to PyTables.&quot;&quot;&quot;</span>
 
@@ -216,7 +124,9 @@ <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>
+<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>
 
 <span class="sd">    This exception is raised the low level PyTables components used for</span>
@@ -368,7 +278,9 @@ <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>
+<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>
 <span class="sd">        (see :attr:`HDF5ExtError.h5backtrace`) into a string.</span>
 
@@ -381,7 +293,9 @@ <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>
@@ -391,7 +305,9 @@ <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>
+<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>
 
 <span class="sd">    For instance, listing the children of a closed group is not allowed.</span>
@@ -401,7 +317,10 @@ <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>
+
+<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>
 
 <span class="sd">    For instance, getting an existing node from a closed file is not</span>
@@ -412,7 +331,10 @@ <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>
+
+<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>
 <span class="sd">    hosting file is opened is not adequate.</span>
 
@@ -424,7 +346,10 @@ <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>
+
+<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>
 
 <span class="sd">    This exception is raised when the user requests an operation on the</span>
@@ -444,7 +369,10 @@ <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>
+
+<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>
 
 <span class="sd">    This exception is raised when an operation gets a path name or a</span>
@@ -455,7 +383,10 @@ <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>
+
+<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>
 
 <span class="sd">    This exception indicates a problem related to the Undo/Redo</span>
@@ -467,7 +398,10 @@ <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>
+
+<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>
 
 <span class="sd">    This warning is only shown when the Undo/Redo mechanism is enabled.</span>
@@ -477,7 +411,10 @@ <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>
+
+<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>
 
 <span class="sd">    This is not an error and may even be very useful in certain</span>
@@ -489,7 +426,10 @@ <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>
+
+<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>
 
 <span class="sd">    This warning is issued when an operation is made on the database</span>
@@ -501,7 +441,10 @@ <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>
+
+<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>
 
 <span class="sd">    This exception is raised when an unsupported or unavailable flavor</span>
@@ -513,7 +456,10 @@ <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>
+
+<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>
 
 <span class="sd">    This warning is issued when a conversion of data between two given</span>
@@ -528,7 +474,10 @@ <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>
+
+<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>
 
 <span class="sd">    This warning is issued when a valid filter is specified but it is</span>
@@ -540,7 +489,10 @@ <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>
+
+<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>
 
 <span class="sd">    This warning is issued when an index in an unsupported format is</span>
@@ -552,7 +504,10 @@ <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>
+
+<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>
 
 <span class="sd">    This warning is issued when an unsupported HDF5 data type is found</span>
@@ -563,7 +518,10 @@ <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>
+
+<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>
 
 <span class="sd">    This warning is issued when using a functionality that is still</span>
@@ -573,6 +531,7 @@ <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>
 
@@ -583,46 +542,30 @@ <h1>Source code for tables.exceptions</h1><div class="highlight"><pre>
 </pre></div>
 
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/_modules/tables/expression.html b/_modules/tables/expression.html
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+++ b/_modules/tables/expression.html
@@ -1,47 +1,20 @@
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+  <title>tables.expression &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
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@@ -58,55 +31,29 @@
 
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+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+                3.9.0
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   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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   </form>
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@@ -120,69 +67,30 @@
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-        
-      <li>tables.expression</li>
-    
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+      <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>
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+             
   <h1>Source code for tables.expression</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the Expr class.&quot;&quot;&quot;</span>
 
@@ -197,7 +105,9 @@ <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>
+<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>
 
 <span class="sd">    Expr is a class for evaluating expressions containing array-like objects.</span>
@@ -488,7 +398,9 @@ <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>
+<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>
 
 <span class="sd">        The computation will only take place for the range defined by</span>
@@ -504,7 +416,10 @@ <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>
+
+<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>
 
 <span class="sd">        The out must be a container that is meant to keep the outcome of</span>
@@ -536,7 +451,10 @@ <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>
+
+<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>
 
 <span class="sd">        The output object will only be modified in the range specified by the</span>
@@ -553,6 +471,7 @@ <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>
@@ -715,7 +634,9 @@ <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>
+<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>
 
 <span class="sd">        Because of performance reasons, the computation order tries to go along</span>
@@ -810,7 +731,10 @@ <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>
+
+<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>
 
 <span class="sd">        This iterator always returns rows as NumPy objects, so a possible out</span>
@@ -862,7 +786,9 @@ <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>
@@ -890,46 +816,30 @@ <h1>Source code for tables.expression</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
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\ No newline at end of file
diff --git a/_modules/tables/file.html b/_modules/tables/file.html
index 83374ea..78257fc 100644
--- a/_modules/tables/file.html
+++ b/_modules/tables/file.html
@@ -1,47 +1,20 @@
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+  <title>tables.file &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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@@ -58,55 +31,29 @@
 
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+<body class="wy-body-for-nav"> 
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+          <a href="../../index.html">
             
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+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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@@ -120,69 +67,30 @@
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-      <li>tables.file</li>
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+             
   <h1>Source code for tables.file</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Create PyTables files and the object tree.</span>
 
@@ -348,7 +256,9 @@ <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>
+<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>
 
 <span class="sd">    This function allows you to copy an existing PyTables file named</span>
@@ -376,12 +286,15 @@ <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>
 
@@ -447,7 +360,7 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 
     <span class="c1"># Check already opened files</span>
     <span class="k">if</span> <span class="n">_FILE_OPEN_POLICY</span> <span class="o">==</span> <span class="s1">&#39;strict&#39;</span><span class="p">:</span>
-        <span class="c1"># This policy do not allows to open the same file multiple times</span>
+        <span class="c1"># This policy does not allow to open the same file multiple times</span>
         <span class="c1"># even in read-only mode</span>
         <span class="k">if</span> <span class="n">filename</span> <span class="ow">in</span> <span class="n">_open_files</span><span class="p">:</span>
             <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
@@ -480,6 +393,7 @@ <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>
@@ -736,7 +650,9 @@ <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>
+<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>
 
 <span class="sd">    An instance of this class is returned when a PyTables file is</span>
@@ -1051,7 +967,9 @@ <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>
 
@@ -1088,7 +1006,10 @@ <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>
@@ -1210,7 +1131,10 @@ <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>
@@ -1306,7 +1230,10 @@ <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>
@@ -1422,7 +1349,10 @@ <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_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>
@@ -1539,7 +1469,10 @@ <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_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>
@@ -1651,7 +1584,10 @@ <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_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>
+
+<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>
 
 <span class="sd">        Create a hard link to a `target` node with the given `name` in</span>
@@ -1672,7 +1608,10 @@ <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>
+
+<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>
 
 <span class="sd">        Create a soft link (aka symbolic link) to a `target` nodewith</span>
@@ -1700,7 +1639,10 @@ <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>
+
+<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>
 
 <span class="sd">        Create an external link to a *target* node with the given *name*</span>
@@ -1728,6 +1670,7 @@ <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>
@@ -1738,7 +1681,9 @@ <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>
+<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>
 
 <span class="sd">        Parameters</span>
@@ -1765,6 +1710,8 @@ <h1>Source code for tables.file</h1><div class="highlight"><pre>
 <span class="sd">            a class derived from Node (e.g. Table). If the node is found but it</span>
 <span class="sd">            is not an instance of that class, a NoSuchNodeError is also raised.</span>
 
+<span class="sd">        Notes</span>
+<span class="sd">        -----</span>
 <span class="sd">        If the node to be returned does not exist, a NoSuchNodeError is</span>
 <span class="sd">        raised. Please note that hidden nodes are also considered.</span>
 
@@ -1805,7 +1752,10 @@ <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>
+
+<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>
 
 <span class="sd">        If the node does not exist, a NoSuchNodeError is raised.</span>
@@ -1815,7 +1765,10 @@ <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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -1834,7 +1787,10 @@ <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_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>
 
@@ -1863,7 +1819,10 @@ <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>
@@ -1925,7 +1884,10 @@ <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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -1945,7 +1907,10 @@ <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_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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -1962,7 +1927,10 @@ <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="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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -1990,7 +1958,10 @@ <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_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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -2007,7 +1978,10 @@ <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_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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -2025,7 +1999,10 @@ <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>
@@ -2058,7 +2035,10 @@ <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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -2132,7 +2112,10 @@ <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>
+
+<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>
 
 <span class="sd">        This is a list-returning version of :meth:`File.iter_nodes`.</span>
@@ -2144,7 +2127,10 @@ <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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -2169,7 +2155,10 @@ <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>
+
+<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>
 
 <span class="sd">        Returns True if the file has a node with the given path (a</span>
@@ -2184,7 +2173,10 @@ <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>
+
+<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>
 
 <span class="sd">        This is equivalent to calling :meth:`File.walk_nodes` with no</span>
@@ -2205,7 +2197,10 @@ <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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -2249,7 +2244,10 @@ <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>
+
+<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>
 
 <span class="sd">        The where group itself is listed first (preorder), then each of its</span>
@@ -2266,6 +2264,7 @@ <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>
 
@@ -2296,7 +2295,9 @@ <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>
+<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>
 
 <span class="sd">        Returns True if the Undo/Redo mechanism has been enabled for</span>
@@ -2309,6 +2310,7 @@ <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>
@@ -2331,7 +2333,9 @@ <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>
+<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>
 
 <span class="sd">        This operation prepares the database for undoing and redoing</span>
@@ -2426,7 +2430,10 @@ <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>
+
+<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>
 
 <span class="sd">        Disabling the Undo/Redo mechanism leaves the database in the</span>
@@ -2461,7 +2468,10 @@ <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>
+
+<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>
 
 <span class="sd">        Creates a mark for the current state of the database. A unique (and</span>
@@ -2504,6 +2514,7 @@ <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>
 
@@ -2646,7 +2657,9 @@ <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>
+<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>
 
 <span class="sd">        Returns the database to the state associated with the specified mark.</span>
@@ -2689,10 +2702,13 @@ <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>
+<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>
 
 <span class="sd">        Returns the database to the state associated with the specified</span>
@@ -2739,10 +2755,13 @@ <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>
+<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>
 
 <span class="sd">        Returns the database to the state associated with the specified mark.</span>
@@ -2766,7 +2785,10 @@ <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>
+
+<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>
 
 <span class="sd">        Returns the identifier of the current mark. This can be used</span>
@@ -2784,6 +2806,7 @@ <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>
 
@@ -2799,7 +2822,9 @@ <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>
+<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>
 
         <span class="bp">self</span><span class="o">.</span><span class="n">_check_open</span><span class="p">()</span>
@@ -2808,7 +2833,10 @@ <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>
+
+<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>
 
         <span class="c1"># If the file is already closed, return immediately</span>
@@ -2860,18 +2888,27 @@ <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>
+
+<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>
 
         <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>
+
+<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>
 
         <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>
+
+<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>
 
 <span class="sd">        Examples</span>
@@ -2917,7 +2954,10 @@ <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>
+
+<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>
 
         <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>
@@ -2935,6 +2975,7 @@ <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>
 
@@ -2956,52 +2997,37 @@ <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>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/filters.html b/_modules/tables/filters.html
index 0166466..771758d 100644
--- a/_modules/tables/filters.html
+++ b/_modules/tables/filters.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.filters &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
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+  <title>tables.filters &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
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+        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
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     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
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+<body class="wy-body-for-nav"> 
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+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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   </form>
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@@ -120,69 +67,30 @@
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 </ul>
 
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-        
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-        
-      <li>tables.filters</li>
-    
-    
+      <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 class="wy-breadcrumbs-aside">
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   </ul>
-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.filters</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Functionality related with filters in a PyTables file.&quot;&quot;&quot;</span>
 
@@ -228,7 +136,9 @@ <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>
+<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>
 
 <span class="sd">    This class is meant to serve as a container that keeps information about</span>
@@ -464,7 +374,7 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
 
         <span class="c1"># Byte 3: least significant digit.</span>
         <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">least_significant_digit</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
-            <span class="c1"># assert isinstance(self.least_significant_digit, numpy.int8)</span>
+            <span class="c1"># assert isinstance(self.least_significant_digit, np.int8)</span>
             <span class="n">packed</span> <span class="o">|=</span> <span class="bp">self</span><span class="o">.</span><span class="n">least_significant_digit</span>
         <span class="n">packed</span> <span class="o">&lt;&lt;=</span> <span class="mi">8</span>
 
@@ -584,7 +494,9 @@ <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>
+<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>
 
 <span class="sd">        Constructor arguments to be overridden must be passed as keyword</span>
@@ -618,7 +530,9 @@ <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>
@@ -633,46 +547,30 @@ <h1>Source code for tables.filters</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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+  <script>
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+  </script> 
 
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\ No newline at end of file
diff --git a/_modules/tables/flavor.html b/_modules/tables/flavor.html
index 06271a3..838efe1 100644
--- a/_modules/tables/flavor.html
+++ b/_modules/tables/flavor.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.flavor &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
-  
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-  
-
-  
+  <title>tables.flavor &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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-        <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>
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-        <script src="../../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
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-          
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
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-
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-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Utilities for handling different array flavors in PyTables.</span>
 
@@ -379,7 +287,9 @@ <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>
+<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>
 
 <span class="sd">    Providing an empty keep sequence implies disabling all flavors (but the</span>
@@ -395,6 +305,7 @@ <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>
@@ -615,46 +526,30 @@ <h1>Source code for tables.flavor</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
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-  
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+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
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-    
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+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/group.html b/_modules/tables/group.html
index be42054..d85f145 100644
--- a/_modules/tables/group.html
+++ b/_modules/tables/group.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.group &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
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+  <title>tables.group &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
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   <![endif]-->
   
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-        <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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
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-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
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+      <li><a href="../../index.html" class="icon icon-home" aria-label="Home"></a></li>
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   <h1>Source code for tables.group</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the Group class.&quot;&quot;&quot;</span>
 
@@ -214,7 +122,9 @@ <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>
+<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>
 
 <span class="sd">    Instances of this class are grouping structures containing *child*</span>
@@ -563,7 +473,9 @@ <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>
+<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>
 
 <span class="sd">        This iterator is *not* recursive.</span>
@@ -582,7 +494,10 @@ <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>
+
+<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>
 
 <span class="sd">        Returns a true value if the group has a child node (visible or</span>
@@ -597,6 +512,7 @@ <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>
 
@@ -607,7 +523,9 @@ <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>
+<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>
 
 <span class="sd">        This method recursively walks *self* top to bottom (preorder),</span>
@@ -644,6 +562,7 @@ <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">        pathname of this group.&quot;&quot;&quot;</span>
@@ -851,7 +770,9 @@ <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>
+<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>
 
 <span class="sd">        If the child exists (be it visible or not), it is returned.  Else, a</span>
@@ -870,7 +791,10 @@ <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>
+
+<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>
 
 <span class="sd">        This is a list-returning version of :meth:`Group._f_iter_nodes()`.</span>
@@ -879,7 +803,10 @@ <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>
+
+<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>
 
 <span class="sd">        Child nodes are yielded alphanumerically sorted by node name.  If the</span>
@@ -918,7 +845,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method starts by yielding *self*, and then it goes on to</span>
@@ -942,7 +872,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method only provides a extra warning in case the user</span>
@@ -964,6 +897,7 @@ <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>
 
@@ -972,7 +906,9 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
         <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>
+<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>
 <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>
@@ -983,7 +919,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method stores an *ordinary Python attribute* in the object. It</span>
@@ -1032,6 +971,7 @@ <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">__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>
 
@@ -1055,7 +995,9 @@ <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>
+<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>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_close`.</span>
@@ -1085,6 +1027,7 @@ <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>
 
@@ -1106,7 +1049,9 @@ <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>
@@ -1142,7 +1087,10 @@ <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>
 
@@ -1220,7 +1168,10 @@ <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>
+
+<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>
 
 <span class="sd">        Examples</span>
@@ -1239,7 +1190,10 @@ <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>
+
+<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>
 
 <span class="sd">        Examples</span>
@@ -1260,7 +1214,9 @@ <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>
@@ -1423,46 +1379,30 @@ <h1>Source code for tables.group</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/index.html b/_modules/tables/index.html
index d32b284..9e15874 100644
--- a/_modules/tables/index.html
+++ b/_modules/tables/index.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.index &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.index &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.index</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the Index class.&quot;&quot;&quot;</span>
 
@@ -272,7 +180,9 @@ <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>
+<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>
 
 <span class="sd">    This class is used to keep the indexing information for columns in a Table</span>
@@ -1879,7 +1789,9 @@ <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>
+<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>
 
 <span class="sd">        The meaning of the start, stop and step arguments is the same as in</span>
@@ -1889,7 +1801,10 @@ <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>
+
+<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>
 
 <span class="sd">        The meaning of the start, stop and step arguments is the same as in</span>
@@ -1899,6 +1814,7 @@ <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>
 
@@ -1919,7 +1835,9 @@ <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>
+<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>
 
 <span class="sd">        If key argument is an integer, the corresponding index is returned.  If</span>
@@ -1941,6 +1859,7 @@ <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>
 
@@ -2312,6 +2231,7 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
         <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>
 
@@ -2373,46 +2293,30 @@ <h1>Source code for tables.index</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/indexes.html b/_modules/tables/indexes.html
index 89e0c41..2612dc1 100644
--- a/_modules/tables/indexes.html
+++ b/_modules/tables/indexes.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.indexes &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.indexes &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.indexes</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the IndexArray class.&quot;&quot;&quot;</span>
 
@@ -212,7 +120,9 @@ <h1>Source code for tables.indexes</h1><div class="highlight"><pre>
     <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>
+<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>
 
 <span class="sd">    All NumPy typecodes are supported except for complex datatypes.</span>
@@ -353,49 +263,34 @@ <h1>Source code for tables.indexes</h1><div class="highlight"><pre>
 <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">  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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/leaf.html b/_modules/tables/leaf.html
index 0e965f8..5df3c5f 100644
--- a/_modules/tables/leaf.html
+++ b/_modules/tables/leaf.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.leaf &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.leaf &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the Leaf class.&quot;&quot;&quot;</span>
 
@@ -190,7 +98,11 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 <span class="kn">import</span> <span class="nn">math</span>
 
 <span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
-<span class="kn">import</span> <span class="nn">cpuinfo</span>
+<span class="k">try</span><span class="p">:</span>
+    <span class="kn">import</span> <span class="nn">cpuinfo</span>
+    <span class="n">cpu_info</span> <span class="o">=</span> <span class="n">cpuinfo</span><span class="o">.</span><span class="n">get_cpu_info</span><span class="p">()</span>
+<span class="k">except</span> <span class="ne">ImportError</span><span class="p">:</span>
+    <span class="n">cpu_info</span> <span class="o">=</span> <span class="p">{}</span>
 
 <span class="kn">from</span> <span class="nn">.flavor</span> <span class="kn">import</span> <span class="p">(</span><span class="n">check_flavor</span><span class="p">,</span> <span class="n">internal_flavor</span><span class="p">,</span> <span class="n">toarray</span><span class="p">,</span>
                      <span class="n">alias_map</span> <span class="k">as</span> <span class="n">flavor_alias_map</span><span class="p">)</span>
@@ -245,7 +157,9 @@ <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>
+<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>
 
 <span class="sd">    A leaf is a node (see the Node class in :class:`Node`) which hangs from a</span>
@@ -445,7 +359,9 @@ <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>
+<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>
 
 <span class="sd">        Please note that this may raise an OverflowError on 32-bit platforms</span>
@@ -456,6 +372,7 @@ <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">        HDF5 object tree plus some additional metainfo.&quot;&quot;&quot;</span>
@@ -507,19 +424,15 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="n">complib</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">filters</span><span class="o">.</span><span class="n">complib</span>
         <span class="k">if</span> <span class="p">(</span><span class="n">complib</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span>
             <span class="n">complib</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">&quot;blosc2&quot;</span><span class="p">)</span> <span class="ow">and</span>
-            <span class="bp">self</span><span class="o">.</span><span class="n">_c_classid</span> <span class="o">==</span> <span class="s1">&#39;TABLE&#39;</span><span class="p">):</span>
+            <span class="bp">self</span><span class="o">.</span><span class="n">_c_classid</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">&#39;TABLE&#39;</span><span class="p">,</span> <span class="s1">&#39;CARRAY&#39;</span><span class="p">,</span> <span class="s1">&#39;EARRAY&#39;</span><span class="p">)):</span>
             <span class="c1"># Blosc2 can introspect into blocks, so we can increase the</span>
             <span class="c1"># chunksize for improving HDF5 perf for its internal btree.</span>
             <span class="c1"># For the time being, this has been implemented efficiently</span>
             <span class="c1"># just for tables, but in the future *Array objects could also</span>
             <span class="c1"># be included.</span>
-            <span class="c1"># In Blosc2, the role of HDF5 chunksize could be played by the</span>
-            <span class="c1"># Blosc2 blocksize.</span>
-            <span class="bp">self</span><span class="o">.</span><span class="n">_v_blocksize</span> <span class="o">=</span> <span class="n">chunksize</span>
             <span class="c1"># Use a decent default value for chunksize</span>
             <span class="n">chunksize</span> <span class="o">*=</span> <span class="mi">16</span>
             <span class="c1"># Now, go explore the L3 size and try to find a smarter chunksize</span>
-            <span class="n">cpu_info</span> <span class="o">=</span> <span class="n">cpuinfo</span><span class="o">.</span><span class="n">get_cpu_info</span><span class="p">()</span>
             <span class="k">if</span> <span class="s1">&#39;l3_cache_size&#39;</span> <span class="ow">in</span> <span class="n">cpu_info</span><span class="p">:</span>
                 <span class="c1"># In general, is a good idea to set the chunksize equal to L3</span>
                 <span class="n">l3_cache_size</span> <span class="o">=</span> <span class="n">cpu_info</span><span class="p">[</span><span class="s1">&#39;l3_cache_size&#39;</span><span class="p">]</span>
@@ -680,7 +593,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
         <span class="c1"># Do an additional in-place byteswap of data if the in-memory</span>
         <span class="c1"># byteorder doesn&#39;t match that of the on-disk.  This is the only</span>
         <span class="c1"># place that we have to do the conversion manually. In all the</span>
-        <span class="c1"># other cases, it will be HDF5 the responsible of doing the</span>
+        <span class="c1"># other cases, it will be HDF5 the responsible for doing the</span>
         <span class="c1"># byteswap properly.</span>
         <span class="k">if</span> <span class="n">dbyteorder</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">&#39;little&#39;</span><span class="p">,</span> <span class="s1">&#39;big&#39;</span><span class="p">]:</span>
             <span class="k">if</span> <span class="n">dbyteorder</span> <span class="o">!=</span> <span class="bp">self</span><span class="o">.</span><span class="n">byteorder</span><span class="p">:</span>
@@ -704,7 +617,7 @@ <h1>Source code for tables.leaf</h1><div class="highlight"><pre>
 
 <span class="sd">        * A numpy array (or list or tuple) with the point coordinates.</span>
 <span class="sd">          This has to be a two-dimensional array of size len(self.shape)</span>
-<span class="sd">          by num_elements containing a list of of zero-based values</span>
+<span class="sd">          by num_elements containing a list of zero-based values</span>
 <span class="sd">          specifying the coordinates in the dataset of the selected</span>
 <span class="sd">          elements. The order of the element coordinates in the array</span>
 <span class="sd">          specifies the order in which the array elements are iterated</span>
@@ -776,7 +689,9 @@ <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>
+<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>
 
 <span class="sd">        This method has the behavior described</span>
@@ -787,7 +702,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_rename()`.</span>
@@ -796,7 +714,10 @@ <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>
 
@@ -806,7 +727,10 @@ <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>
 
@@ -857,7 +781,10 @@ <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>
+
+<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>
 
 <span class="sd">        If the main dimension previously was larger than this size, the extra</span>
@@ -874,7 +801,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_isvisible()`.</span>
@@ -883,8 +813,11 @@ <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>
+<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>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_getattr`.</span>
@@ -893,7 +826,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_setattr()`.</span>
@@ -902,7 +838,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method has the behavior described in :meth:`Node_f_delAttr`.</span>
@@ -911,8 +850,11 @@ <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>
+<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>
 
 <span class="sd">        Saves whatever remaining buffered data to disk. It also releases</span>
@@ -924,7 +866,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method has the behavior described in :meth:`Node._f_close`.</span>
@@ -949,57 +894,46 @@ <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>
+
+<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>
 
 <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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/_modules/tables/link.html b/_modules/tables/link.html
index cc3ad45..7011ef3 100644
--- a/_modules/tables/link.html
+++ b/_modules/tables/link.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.link &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
-  
-
-  
-
-  
+  <title>tables.link &mdash; PyTables 3.9.0 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" />
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-        <script src="../../_static/doctools.js"></script>
-        <script src="../../_static/sphinx_highlight.js"></script>
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+        <script src="../../_static/documentation_options.js?v=e55a5be6"></script>
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+        <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
+    <script src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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-          
 
           
-            <a href="../../index.html">
-          
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
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               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
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-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
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           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
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-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
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   </ul>
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.link</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Create links in the HDF5 file.</span>
 
@@ -217,7 +125,9 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
     <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>
+<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>
 
 <span class="sd">    A link is a node that refers to another node.  The Link class inherits from</span>
@@ -266,7 +176,9 @@ <h1>Source code for tables.link</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>
 
     <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>
 
@@ -283,7 +195,10 @@ <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>
+
+<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>
 
 <span class="sd">        See :meth:`Node._f_move` for a complete explanation of the arguments.</span>
@@ -293,12 +208,18 @@ <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>
+
+<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>
 
         <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>
+
+<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>
 
 <span class="sd">        See :meth:`Node._f_rename` for a complete explanation of the arguments.</span>
@@ -307,11 +228,15 @@ <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>
+
+<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>
 
 <span class="sd">    A soft link is a reference to another node in the *same* file hierarchy.</span>
@@ -375,7 +300,9 @@ <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>
+<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>
 
 <span class="sd">        Examples</span>
@@ -393,6 +320,7 @@ <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="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>
@@ -465,7 +393,9 @@ <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>
+<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>
 
 <span class="sd">        Examples</span>
@@ -487,10 +417,14 @@ <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>
+
+<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>
 
 <span class="sd">    An external link is a reference to a node in *another* file.</span>
@@ -525,7 +459,9 @@ <h1>Source code for tables.link</h1><div class="highlight"><pre>
         <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>
+<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>
 
 <span class="sd">        You can pass all the arguments supported by the :func:`open_file`</span>
@@ -565,7 +501,10 @@ <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>
+
+<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>
 
         <span class="n">extfile</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">extfile</span>
@@ -574,13 +513,16 @@ <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="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>
+<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>
 
 <span class="sd">        Examples</span>
@@ -596,50 +538,36 @@ <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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
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-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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+  <script>
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+  </script> 
 
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diff --git a/_modules/tables/misc/enum.html b/_modules/tables/misc/enum.html
index 8a92daa..38d8b3b 100644
--- a/_modules/tables/misc/enum.html
+++ b/_modules/tables/misc/enum.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.misc.enum &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../../../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
-  
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-  
-
-  
+  <title>tables.misc.enum &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../../" src="../../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../../_static/js/theme.js"></script>
-
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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 src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
  
@@ -58,55 +31,29 @@
 
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-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
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-          
 
           
-            <a href="../../../index.html">
-          
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+          <a href="../../../index.html">
             
-            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
-            
-          
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
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 <li class="toctree-l1"><a class="reference internal" href="../../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Implementation of enumerated types.</span>
 
@@ -207,7 +115,9 @@ <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>
+<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>
 
 <span class="sd">    Each instance of this class represents an enumerated type. The</span>
@@ -334,7 +244,9 @@ <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>
+<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>
 
 <span class="sd">        The name of the enumerated value must be a string. If there is no value</span>
@@ -363,6 +275,7 @@ <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="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>
@@ -371,7 +284,9 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 <span class="w">        </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>
+<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>
 
 <span class="sd">        The name of the enumerated value must be a string. If there is no value</span>
@@ -399,6 +314,7 @@ <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="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>
@@ -407,7 +323,9 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 <span class="w">        </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>
+<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>
 
 <span class="sd">        If the enumerated type has an enumerated value with that name, True is</span>
@@ -444,7 +362,10 @@ <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>
+
+<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>
 
 <span class="sd">        If there is no value with that concrete value in the enumeration and a</span>
@@ -481,7 +402,10 @@ <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>
+
+<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>
 
 <span class="sd">        Examples</span>
@@ -493,7 +417,10 @@ <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>
+
+<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>
 
 <span class="sd">        Enumerated values are returned as (name, value) pairs *in no particular</span>
@@ -511,7 +438,10 @@ <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>
+
+<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>
 
 <span class="sd">        Two enumerated types are equivalent if they have exactly the same</span>
@@ -558,6 +488,7 @@ <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>
 
@@ -598,7 +529,9 @@ <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>
+<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>
 <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>
@@ -610,7 +543,9 @@ <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>
@@ -623,46 +558,30 @@ <h1>Source code for tables.misc.enum</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/node.html b/_modules/tables/node.html
index db0e0dc..51cb9cd 100644
--- a/_modules/tables/node.html
+++ b/_modules/tables/node.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.node &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.node &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.node</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;PyTables nodes.&quot;&quot;&quot;</span>
 
@@ -264,7 +172,9 @@ <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>
+<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>
 
 <span class="sd">    This is the base class for *all* nodes in a PyTables hierarchy. It is an</span>
@@ -628,7 +538,9 @@ <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>
+<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>
 
 <span class="sd">        This releases all resources held by the node, so it should not</span>
@@ -667,6 +579,7 @@ <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>
 
@@ -690,7 +603,9 @@ <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>
+<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>
 
 <span class="sd">        If the node has children, recursive removal must be stated by giving</span>
@@ -710,6 +625,7 @@ <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>
@@ -753,7 +669,9 @@ <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>
+<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>
 
 <span class="sd">        Changes the name of a node to *newname* (a string).  If a node with the</span>
@@ -764,7 +682,10 @@ <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>
 
@@ -852,6 +773,7 @@ <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>
 
@@ -885,7 +807,9 @@ <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>
@@ -981,12 +905,16 @@ <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>
+
+<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>
 
         <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>
@@ -1029,7 +957,9 @@ <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>
+<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>
 
 <span class="sd">        If the named attribute does not exist, an AttributeError is</span>
@@ -1039,7 +969,10 @@ <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>
+
+<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>
 
 <span class="sd">        If the node already has a large number of attributes, a</span>
@@ -1049,7 +982,10 @@ <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>
+
+<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>
 
 <span class="sd">        If the named attribute does not exist, an AttributeError is</span>
@@ -1057,7 +993,9 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 
 <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>
 
@@ -1079,46 +1017,30 @@ <h1>Source code for tables.node</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/nodes/filenode.html b/_modules/tables/nodes/filenode.html
index 523fdab..a1aa7f8 100644
--- a/_modules/tables/nodes/filenode.html
+++ b/_modules/tables/nodes/filenode.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.nodes.filenode &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.nodes.filenode &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../../" src="../../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../../index.html">
             
-            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.nodes.filenode</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;A file interface to nodes for PyTables databases.</span>
 
@@ -222,7 +130,9 @@ <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>
+<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>
 
     <span class="c1"># A lambda to turn a size into a shape, for each version.</span>
@@ -259,14 +169,19 @@ <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">_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>
+<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>
 
         <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>
+<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>
 
 <span class="sd">        Change the stream position to byte offset offset. offset is</span>
@@ -300,8 +215,11 @@ <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>
+<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>
 
 <span class="sd">        If False, seek(), tell() and truncate() will raise IOError. This</span>
@@ -311,8 +229,11 @@ <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>
+<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>
 
 <span class="sd">        An IOError is raised if the IO object does not use a file</span>
@@ -323,8 +244,11 @@ <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>
+<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>
 
 <span class="sd">        This method has no effect if the file is already closed.</span>
@@ -341,7 +265,10 @@ <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>
+
+<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>
 
 <span class="sd">        This is not implemented for read-only and non-blocking streams.</span>
@@ -351,8 +278,11 @@ <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>
+<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>
 
 <span class="sd">        Size defaults to the current IO position as reported by tell().</span>
@@ -377,8 +307,11 @@ <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>
+<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>
 
 <span class="sd">        If False, read() will raise IOError.</span>
@@ -388,8 +321,11 @@ <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>
+<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>
 
 <span class="sd">        If False, write() and truncate() will raise IOError.</span>
@@ -399,8 +335,11 @@ <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>
+<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>
 
 <span class="sd">        Returns number of bytes read (0 for EOF), or None if the object</span>
@@ -435,8 +374,11 @@ <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>
+<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>
 
 <span class="sd">        If limit is specified, at most limit bytes will be read.</span>
@@ -516,8 +458,11 @@ <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>
+<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>
 
 <span class="sd">        Returns the number of bytes written, which may be less than</span>
@@ -551,6 +496,7 @@ <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>
 
@@ -653,6 +599,7 @@ <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>
 
@@ -686,7 +633,9 @@ <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>
+<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>
 
 <span class="sd">    Creates a new read-only file node associated with the specified</span>
@@ -725,7 +674,10 @@ <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>
+
+<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>
 
 <span class="sd">    The first syntax opens the specified PyTables node, while the</span>
@@ -825,7 +777,10 @@ <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>
+
+<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>
 
 <span class="sd">    Additional named arguments where and name must be passed to specify where</span>
@@ -840,7 +795,10 @@ <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>
+
+<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>
 
 <span class="sd">    Returns a file node object from the existing specified PyTables</span>
@@ -859,7 +817,10 @@ <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>
 
@@ -959,7 +920,10 @@ <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>
 
@@ -1042,49 +1006,34 @@ <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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_modules/tables/table.html b/_modules/tables/table.html
index 5ac494d..2691ed2 100644
--- a/_modules/tables/table.html
+++ b/_modules/tables/table.html
@@ -1,47 +1,20 @@
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   <h1>Source code for tables.table</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the Table class.&quot;&quot;&quot;</span>
 
 <span class="kn">import</span> <span class="nn">functools</span>
 <span class="kn">import</span> <span class="nn">math</span>
 <span class="kn">import</span> <span class="nn">operator</span>
-<span class="kn">import</span> <span class="nn">platform</span>
 <span class="kn">import</span> <span class="nn">sys</span>
 <span class="kn">import</span> <span class="nn">warnings</span>
 <span class="kn">from</span> <span class="nn">pathlib</span> <span class="kn">import</span> <span class="n">Path</span>
+<span class="kn">import</span> <span class="nn">weakref</span>
 
 <span class="kn">from</span> <span class="nn">time</span> <span class="kn">import</span> <span class="n">perf_counter</span> <span class="k">as</span> <span class="n">clock</span>
 
@@ -225,7 +133,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 
 
 <span class="c1"># 2.2: Added support for complex types. Introduced in version 0.9.</span>
-<span class="c1"># 2.2.1: Added suport for time types.</span>
+<span class="c1"># 2.2.1: Added support for time types.</span>
 <span class="c1"># 2.3: Changed the indexes naming schema.</span>
 <span class="c1"># 2.4: Changed indexes naming schema (again).</span>
 <span class="c1"># 2.5: Added the FIELD_%d_FILL attributes.</span>
@@ -514,7 +422,9 @@ <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">  </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>
+<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>
 
 <span class="sd">    Tables are leaves (see the Leaf class in :ref:`LeafClassDescr`) whose data</span>
@@ -1004,19 +914,6 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="bp">self</span><span class="o">.</span><span class="n">_flavor</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_descflavor</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_descflavor</span><span class="p">,</span> <span class="kc">None</span>
         <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_g_post_init_hook</span><span class="p">()</span>
 
-        <span class="bp">self</span><span class="o">.</span><span class="n">blosc2_support_write</span> <span class="o">=</span> <span class="p">(</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="p">)</span> <span class="ow">and</span>
-                <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">filters</span><span class="o">.</span><span class="n">complib</span> <span class="o">!=</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">and</span>
-                <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">filters</span><span class="o">.</span><span class="n">complib</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s2">&quot;blosc2&quot;</span><span class="p">)))</span>
-        <span class="c1"># For reading, Windows does not support re-opening a file twice</span>
-        <span class="c1"># in not read-only mode (for good reason), so we cannot use the</span>
-        <span class="c1"># blosc2 opt</span>
-        <span class="bp">self</span><span class="o">.</span><span class="n">blosc2_support_read</span> <span class="o">=</span> <span class="p">(</span>
-                <span class="bp">self</span><span class="o">.</span><span class="n">blosc2_support_write</span> <span class="ow">and</span>
-                <span class="p">((</span><span class="n">platform</span><span class="o">.</span><span class="n">system</span><span class="p">()</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> <span class="o">!=</span> <span class="s1">&#39;windows&#39;</span><span class="p">)</span> <span class="ow">or</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">mode</span> <span class="o">==</span> <span class="s1">&#39;r&#39;</span><span class="p">)))</span>
-        <span class="p">)</span>
-
         <span class="c1"># Create a cols accessor.</span>
         <span class="bp">self</span><span class="o">.</span><span class="n">cols</span> <span class="o">=</span> <span class="n">Cols</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>
 
@@ -1542,7 +1439,9 @@ <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>
+<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>
 
 <span class="sd">        The meaning of the condition and *condvars* arguments is the same as in</span>
@@ -1563,7 +1462,10 @@ <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>
 
@@ -1657,6 +1559,7 @@ <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">_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>
 
@@ -1696,7 +1599,9 @@ <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>
 
@@ -1717,13 +1622,15 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
             <span class="n">cstart</span><span class="p">,</span> <span class="n">cstop</span> <span class="o">=</span> <span class="n">coords</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">coords</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">+</span> <span class="mi">1</span>
             <span class="k">if</span> <span class="n">cstop</span> <span class="o">-</span> <span class="n">cstart</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="c1"># Chances for monotonically increasing row values. Refine.</span>
-                <span class="n">inc_seq</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">alltrue</span><span class="p">(</span>
-                    <span class="n">np</span><span class="o">.</span><span class="n">arange</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="o">==</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">coords</span><span class="p">))</span>
+                <span class="n">inc_seq</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">all</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">arange</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="o">==</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">coords</span><span class="p">))</span>
                 <span class="k">if</span> <span class="n">inc_seq</span><span class="p">:</span>
                     <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>
 
@@ -1762,7 +1669,10 @@ <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>
 
@@ -1786,7 +1696,10 @@ <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>
+
+<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>
 
         <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>
@@ -1809,6 +1722,7 @@ <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>
@@ -1831,7 +1745,9 @@ <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">        column.</span>
@@ -1861,7 +1777,10 @@ <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>
 
@@ -1889,7 +1808,10 @@ <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>
+
+<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>
 
 <span class="sd">        If a range is not supplied, *all the rows* in the table are iterated</span>
@@ -1930,7 +1852,10 @@ <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>
+
+<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>
 
 <span class="sd">        This is equivalent to calling :meth:`Table.iterrows` with default</span>
@@ -1956,6 +1881,7 @@ <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">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>
 
@@ -2027,7 +1953,9 @@ <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>
+<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>
 
 <span class="sd">        The start, stop and step parameters can be used to select only</span>
@@ -2100,6 +2028,7 @@ <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>
 
@@ -2134,7 +2063,9 @@ <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>
+<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>
 
 <span class="sd">        This method works much like the :meth:`Table.read` method, but it uses</span>
@@ -2150,7 +2081,10 @@ <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>
+
+<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>
 
 <span class="sd">        If the column named colname (a string) exists and is of an enumerated</span>
@@ -2169,7 +2103,10 @@ <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>
+
+<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>
 
 <span class="sd">        If a column called name exists in the table, it is read and returned as</span>
@@ -2193,7 +2130,10 @@ <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>
+
+<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>
 
 <span class="sd">        If key argument is an integer, the corresponding table row is returned</span>
@@ -2253,7 +2193,10 @@ <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">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>
+
+<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>
 
 <span class="sd">        It takes different actions depending on the type of the *key*</span>
@@ -2279,8 +2222,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 <span class="sd">            table[2] = [456,&#39;db2&#39;,1.2]</span>
 
 <span class="sd">            # Modify two existing rows</span>
-<span class="sd">            rows = numpy.rec.array([[457,&#39;db1&#39;,1.2],[6,&#39;de2&#39;,1.3]],</span>
-<span class="sd">                                   formats=&#39;i4,a3,f8&#39;)</span>
+<span class="sd">            rows = np.rec.array(</span>
+<span class="sd">                [[457,&#39;db1&#39;,1.2],[6,&#39;de2&#39;,1.3]], formats=&#39;i4,a3,f8&#39;</span>
+<span class="sd">            )</span>
 <span class="sd">            table[1:30:2] = rows             # modify a table slice</span>
 <span class="sd">            table[[1,3]] = rows              # only modifies rows 1 and 3</span>
 <span class="sd">            table[[True,False,True]] = rows  # only modifies rows 0 and 2</span>
@@ -2288,8 +2232,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 <span class="sd">        Which is equivalent to::</span>
 
 <span class="sd">            table.modify_rows(start=2, rows=[456,&#39;db2&#39;,1.2])</span>
-<span class="sd">            rows = numpy.rec.array([[457,&#39;db1&#39;,1.2],[6,&#39;de2&#39;,1.3]],</span>
-<span class="sd">                                   formats=&#39;i4,a3,f8&#39;)</span>
+<span class="sd">            rows = np.rec.array(</span>
+<span class="sd">                [[457,&#39;db1&#39;,1.2],[6,&#39;de2&#39;,1.3]], formats=&#39;i4,a3,f8&#39;</span>
+<span class="sd">            )</span>
 <span class="sd">            table.modify_rows(start=1, stop=3, step=2, rows=rows)</span>
 <span class="sd">            table.modify_coordinates([1,3,2], rows)</span>
 <span class="sd">            table.modify_coordinates([True, False, True], rows)</span>
@@ -2323,6 +2268,7 @@ <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>
 
@@ -2340,7 +2286,9 @@ <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>
+<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>
 
 <span class="sd">        The rows argument may be any object which can be converted to</span>
@@ -2407,6 +2355,7 @@ <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>
 
@@ -2432,7 +2381,9 @@ <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>
+<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>
 
 <span class="sd">        The values in the selected rows will be modified with the data given in</span>
@@ -2466,7 +2417,10 @@ <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>
+
+<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>
 
 <span class="sd">        The values in the selected rows will be modified with the data given in</span>
@@ -2521,7 +2475,10 @@ <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>
 
@@ -2602,7 +2559,10 @@ <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>
 
@@ -2678,7 +2638,10 @@ <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>
+
+<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>
 
 <span class="sd">        This can be useful when you have chosen non-automatic indexing</span>
@@ -2702,6 +2665,7 @@ <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>
 
@@ -2731,7 +2695,9 @@ <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>
+<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>
 
 <span class="sd">        If only start is supplied, that row and all following will be deleted.</span>
@@ -2787,7 +2753,10 @@ <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>
+
+<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>
 
 <span class="sd">        Parameters</span>
@@ -2819,6 +2788,7 @@ <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>
 
@@ -2923,7 +2893,9 @@ <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">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>
+<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>
 
 <span class="sd">        This can be useful when you suspect that, for any reason, the</span>
@@ -2934,7 +2906,10 @@ <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>
+
+<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>
 
 <span class="sd">        This can be useful when you have set :attr:`Table.autoindex`</span>
@@ -2946,6 +2921,7 @@ <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="k">if</span> <span class="n">sortby</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
@@ -3033,7 +3009,9 @@ <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>
 
@@ -3065,6 +3043,7 @@ <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>
 
@@ -3148,6 +3127,9 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <span class="k">if</span> <span class="n">cols</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
             <span class="n">cols</span><span class="o">.</span><span class="n">_g_close</span><span class="p">()</span>
 
+        <span class="c1"># Clean address cache</span>
+        <span class="bp">self</span><span class="o">.</span><span class="n">_clean_chunk_addrs</span><span class="p">()</span>
+
         <span class="c1"># Close myself as a leaf.</span>
         <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>
 
@@ -3174,7 +3156,10 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
                 <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>
+
+<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>
 
 <span class="sd">    This class is used as an *accessor* to the columns in a table or nested</span>
@@ -3245,12 +3230,17 @@ <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>
+<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>
 
         <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>
+
+<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>
 
 <span class="sd">        This method returns a Column instance (see :ref:`ColumnClassDescr`) if</span>
@@ -3278,6 +3268,7 @@ <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">_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>
 
@@ -3288,7 +3279,9 @@ <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>
+<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>
 
 <span class="sd">        If key argument is an integer, the corresponding nested type row is</span>
@@ -3346,7 +3339,10 @@ <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">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>
+
+<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>
 
 <span class="sd">        If key argument is an integer, the corresponding row is set to</span>
@@ -3398,6 +3394,7 @@ <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>
@@ -3443,7 +3440,10 @@ <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>
+
+<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>
 
 <span class="sd">    Each instance of this class is associated with one *non-nested* column of a</span>
@@ -3468,6 +3468,10 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 <span class="sd">        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).</span>
 
+<span class="sd">    .. attribute:: attrs</span>
+
+<span class="sd">        Column attributes (see :ref:`ColClassDescr`).</span>
+
 <span class="sd">    Parameters</span>
 <span class="sd">    ----------</span>
 <span class="sd">    table</span>
@@ -3541,6 +3545,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
         <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">        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>
@@ -3548,7 +3553,9 @@ <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>
 
-<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>
+<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>
 
 <span class="sd">        This matches the length in rows of the parent table.</span>
@@ -3557,7 +3564,10 @@ <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>
+
+<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>
 
 <span class="sd">        If key argument is an integer, the corresponding element in the column</span>
@@ -3627,6 +3637,7 @@ <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>
 
@@ -3642,7 +3653,9 @@ <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>
+<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>
 
 <span class="sd">        If key argument is an integer, the corresponding element is set to</span>
@@ -3666,7 +3679,7 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
 <span class="sd">            table.modify_columns(start=1, columns=[[-1]], names=[&#39;col1&#39;])</span>
 
 <span class="sd">            # Modify rows 1 and 3</span>
-<span class="sd">            columns = numpy.rec.fromarrays([[2,3]], formats=&#39;i4&#39;)</span>
+<span class="sd">            columns = np.rec.fromarrays([[2,3]], formats=&#39;i4&#39;)</span>
 <span class="sd">            table.modify_columns(start=1, step=2, columns=columns,</span>
 <span class="sd">                                 names=[&#39;col1&#39;])</span>
 
@@ -3700,7 +3713,10 @@ <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>
@@ -3771,7 +3787,10 @@ <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>
 
@@ -3796,6 +3815,7 @@ <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>
 
@@ -3820,7 +3840,9 @@ <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>
+<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>
 
 <span class="sd">        This can be useful when you suspect that, for any reason,</span>
@@ -3832,7 +3854,10 @@ <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>
+
+<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>
 
 <span class="sd">        This can be useful when you have set :attr:`Table.autoindex` to false</span>
@@ -3845,7 +3870,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method does nothing if the column is not indexed. The removed</span>
@@ -3862,6 +3890,7 @@ <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>
 
@@ -3877,50 +3906,172 @@ <h1>Source code for tables.table</h1><div class="highlight"><pre>
     <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="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">return</span> <span class="nb">str</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">_v_pos</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">descr</span><span class="o">.</span><span class="n">_v_colobjects</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">_v_pos</span>
+
+    <span class="nd">@lazyattr</span>
+    <span class="k">def</span> <span class="nf">_v_col_attrs</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">descr</span><span class="o">.</span><span class="n">_v_colobjects</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">_v_col_attrs</span>
+
+    <span class="nd">@property</span>
+    <span class="k">def</span> <span class="nf">attrs</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">_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>
+
+        <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="s1">&#39;_v_tableattrs&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span><span class="o">.</span><span class="n">attrs</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="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">_v_pos</span>
+        <span class="bp">self</span><span class="o">.</span><span class="vm">__dict__</span><span class="p">[</span><span class="s1">&#39;_v_column_reference&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">weakref</span><span class="o">.</span><span class="n">ref</span><span class="p">(</span><span class="n">column</span><span class="p">)</span>
+
+        <span class="c1"># Check if this column has _v_col_attrs set and translate them into</span>
+        <span class="c1"># the table attribute format</span>
+        <span class="k">for</span> <span class="n">col_attr_key</span><span class="p">,</span> <span class="n">col_attr_val</span> <span class="ow">in</span> <span class="n">column</span><span class="o">.</span><span class="n">_v_col_attrs</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
+            <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="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="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="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="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="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="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="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="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="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>
+            <span class="k">return</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">oldattrname</span><span class="p">):</span>
+            <span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="s1">&#39;Renaming system attributes is prohibited&#39;</span><span class="p">)</span>
+
+        <span class="c1"># First, fetch the value of the oldattrname</span>
+        <span class="n">attrvalue</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="n">oldattrname</span><span class="p">)</span>
+
+        <span class="c1"># Now, create the new attribute</span>
+        <span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">newattrname</span><span class="p">,</span> <span class="n">attrvalue</span><span class="p">)</span>
+
+        <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>
+
+    <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="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>
+            <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 column: </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="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">keys</span><span class="p">():</span>
+            <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="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="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="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>
+        <span class="n">attrnumber</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">_</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="n">columnname</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="n">name</span>
+
+        <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="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="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>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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+  </script> 
 
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diff --git a/_modules/tables/tests/common.html b/_modules/tables/tests/common.html
index 7583e89..b2f8e84 100644
--- a/_modules/tables/tests/common.html
+++ b/_modules/tables/tests/common.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.tests.common &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.tests.common &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
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+          <a href="../../../index.html">
             
-            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
-        
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
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-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Utilities for PyTables&#39; test suites.&quot;&quot;&quot;</span>
 
@@ -256,7 +164,9 @@ <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>
+<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>
 
     <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>
@@ -323,9 +233,10 @@ <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">pkg_resources</span> <span class="kn">import</span> <span class="n">resource_filename</span>
-    <span class="k">return</span> <span class="n">resource_filename</span><span class="p">(</span><span class="s1">&#39;tables.tests&#39;</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>
@@ -555,46 +466,30 @@ <h1>Source code for tables.tests.common</h1><div class="highlight"><pre>
 </pre></div>
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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diff --git a/_modules/tables/tests/test_suite.html b/_modules/tables/tests/test_suite.html
index 430d73a..346b636 100644
--- a/_modules/tables/tests/test_suite.html
+++ b/_modules/tables/tests/test_suite.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.tests.test_suite &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
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+  <title>tables.tests.test_suite &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../../" src="../../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../../_static/js/theme.js"></script>
-
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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 src="../../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../../genindex.html" />
     <link rel="search" title="Search" href="../../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../../../index.html">
-          
-
           
+          <a href="../../../index.html">
             
-            <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
-            
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-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
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 <li class="toctree-l1"><a class="reference internal" href="../../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../../dev_team.html">Development Team</a></li>
 </ul>
 
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           <a href="../../../index.html">PyTables</a>
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       <div class="wy-nav-content">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-      <li>tables.tests.test_suite</li>
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+      <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>
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            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.tests.test_suite</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Test suite consisting of all testcases.&quot;&quot;&quot;</span>
 
@@ -249,7 +157,9 @@ <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>
+<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>
 
 <span class="sd">    If *verbose* is set, the test suite will emit messages with full</span>
@@ -280,49 +190,34 @@ <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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/_modules/tables/unimplemented.html b/_modules/tables/unimplemented.html
index d282ff8..b889884 100644
--- a/_modules/tables/unimplemented.html
+++ b/_modules/tables/unimplemented.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.unimplemented &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
-  
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-  
-
-  
+  <title>tables.unimplemented &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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   <!--[if lt IE 9]>
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-        <script src="../../_static/jquery.js"></script>
-        <script src="../../_static/underscore.js"></script>
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-        <script src="../../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
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 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the UnImplemented class.&quot;&quot;&quot;</span>
 
@@ -194,7 +102,9 @@ <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>
+<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>
 <span class="sd">    file.</span>
 
@@ -285,8 +195,11 @@ <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>
+<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>
 <span class="sd">    HDF5 library.</span>
 
@@ -330,52 +243,37 @@ <h1>Source code for tables.unimplemented</h1><div class="highlight"><pre>
 <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>
 </pre></div>
 
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-           
           </div>
           <footer>
 
   <hr/>
 
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-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/_modules/tables/vlarray.html b/_modules/tables/vlarray.html
index 0c9e224..722a13a 100644
--- a/_modules/tables/vlarray.html
+++ b/_modules/tables/vlarray.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>tables.vlarray &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>tables.vlarray &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
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-        <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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,30 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
-        
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-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
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         <div class="rst-content">
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
       </li>
-    
   </ul>
-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 <span></span><span class="sd">&quot;&quot;&quot;Here is defined the VLArray class.&quot;&quot;&quot;</span>
 
@@ -208,7 +116,9 @@ <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>
+<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>
 
 <span class="sd">    Instances of this class represent array objects in the object tree</span>
@@ -661,7 +571,9 @@ <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>
+<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>
 
 <span class="sd">        If this array is of an enumerated type, the corresponding Enum instance</span>
@@ -676,7 +588,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method appends the objects in the sequence to a *single row* in</span>
@@ -714,7 +629,10 @@ <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>
+
+<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>
 
 <span class="sd">        This method returns an iterator yielding an object of the current</span>
@@ -745,7 +663,10 @@ <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>
+
+<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>
 
 <span class="sd">        This is equivalent to calling :meth:`VLArray.iterrows` with default</span>
@@ -774,6 +695,7 @@ <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>
 
@@ -783,7 +705,9 @@ <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>
+<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>
 
 <span class="sd">        The element is returned as a list of objects of the current</span>
@@ -806,7 +730,10 @@ <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>
+
+<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>
 
 <span class="sd">        If key argument is an integer, the corresponding array row is returned</span>
@@ -830,7 +757,7 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 <span class="sd">            a_list = vlarray[4:1000:2]</span>
 <span class="sd">            a_list2 = vlarray[[0,2]]   # get list of coords</span>
 <span class="sd">            a_list3 = vlarray[[0,-2]]  # negative values accepted</span>
-<span class="sd">            a_list4 = vlarray[numpy.array([True,...,False])]  # array of bools</span>
+<span class="sd">            a_list4 = vlarray[np.array([True,...,False])]  # array of bools</span>
 
 <span class="sd">        &quot;&quot;&quot;</span>
 
@@ -857,6 +784,7 @@ <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>
 
@@ -898,7 +826,9 @@ <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>
+<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>
 
 <span class="sd">        It takes different actions depending on the type of the *key*</span>
@@ -962,8 +892,11 @@ <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>
+<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>
 
 <span class="sd">        Please note that, as the lengths of the different rows are variable,</span>
@@ -996,11 +929,12 @@ <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="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="nb">int</span><span class="p">(</span><span class="n">coord</span><span class="p">),</span> <span class="nb">int</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>
+            <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>
         <span class="k">return</span> <span class="n">rows</span>
 
     <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>
@@ -1048,49 +982,34 @@ <h1>Source code for tables.vlarray</h1><div class="highlight"><pre>
 <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="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>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/_sources/cookbook/hints_for_sql_users.rst.txt b/_sources/cookbook/hints_for_sql_users.rst.txt
index 866357e..81ed3fd 100644
--- a/_sources/cookbook/hints_for_sql_users.rst.txt
+++ b/_sources/cookbook/hints_for_sql_users.rst.txt
@@ -311,8 +311,8 @@ structure described above::
     tbl.append(rows)
 
     # Using a NumPy container.
-    import numpy
-    rows = numpy.rec.array(rows)
+    import numpy as np
+    rows = np.rec.array(rows)
     tbl.append(rows)
 
 
diff --git a/_sources/cookbook/inmemory_hdf5_files.rst.txt b/_sources/cookbook/inmemory_hdf5_files.rst.txt
index 9797338..c35afcc 100644
--- a/_sources/cookbook/inmemory_hdf5_files.rst.txt
+++ b/_sources/cookbook/inmemory_hdf5_files.rst.txt
@@ -46,8 +46,8 @@ one needs to specify to use the CORE driver::
 
     >>> import tables
     >>> h5file = tables.open_file("new_sample.h5", "w", driver="H5FD_CORE")
-    >>> import numpy
-    >>> a = h5file.create_array(h5file.root, "array", numpy.zeros((300, 300)))
+    >>> import numpy as np
+    >>> a = h5file.create_array(h5file.root, "array", np.zeros((300, 300)))
     >>> h5file.close()
 
 
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.1.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.1.x.rst.txt
index 6b0329e..3dddda1 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.1.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.1.x.rst.txt
@@ -18,7 +18,7 @@ Improvements
 
 - Do not create a temporary array when the *obj* parameter is not specified
   in :meth:`File.create_array` (thanks to Francesc).
-  Closes :issue:`337` and :issue:`339`).
+  Closes :issue:`337` and :issue:`339`.
 - Added two new utility functions
   (:func:`tables.nodes.filenode.read_from_filenode` and
   :func:`tables.nodes.filenode.save_to_filenode`) for the direct copy from
@@ -74,40 +74,40 @@ Improvements
   is detected (see also `Issues with H5T_NATIVE_LDOUBLE`_).
   See also :issue:`275`, :issue:`290` and :issue:`300`.
 - Documented an unexpected behaviour with string literals in query conditions
-  on Python 3 (closes :issue:`265`)
+  on Python 3 (closes :issue:`265`).
 - The deprecated :mod:`getopt` module has been dropped in favour of
   :mod:`argparse` in all command line utilities (close :issue:`251`)
 - Improved the installation section of the :doc:`../usersguide/index`.
 
   * instructions for installing PyTables via pip_ have been added.
   * added a reference to the Anaconda_, Canopy_ and `Christoph Gohlke suites`_
-    (closes :issue:`291`)
+    (closes :issue:`291`).
 
-- Enabled `Travis-CI`_ builds for Python_ 3.3
+- Enabled `Travis-CI`_ builds for Python_ 3.3.
 - :meth:`Tables.read_coordinates` now also works with boolean indices input.
   Closes :issue:`287` and :issue:`298`.
-- Improved compatibility with numpy_ >= 1.8 (see :issue:`259`)
+- Improved compatibility with numpy_ >= 1.8 (see :issue:`259`).
 - The code of the benchmark programs (bench directory) has been updated.
   Closes :issue:`114`.
 - Fixed some warning related to non-unicode file names (the Windows bytes API
-  has been deprecated in Python 3.4)
+  has been deprecated in Python 3.4).
 
 
 Bugs fixed
 ----------
 
-- Fixed detection of platforms supporting Blosc_
+- Fixed detection of platforms supporting Blosc_.
 - Fixed a crash that occurred when one attempts to write a numpy_ array to
-  an :class:`Atom` (closes :issue:`209` and :issue:`296`)
+  an :class:`Atom` (closes :issue:`209` and :issue:`296`).
 - Prevent creation of a table with no columns (closes :issue:`18` and
-  :issue:`299`)
+  :issue:`299`).
 - Fixed a memory leak that occured when iterating over
   :class:`CArray`/:class:`EArray` objects (closes :issue:`308`,
   see also :issue:`309`).
   Many thanks to Alistair Muldal.
-- Make NaN types sort to the end. Closes :issue:`282` and :issue:`313`
+- Make NaN types sort to the end. Closes :issue:`282` and :issue:`313`.
 - Fixed selection on float columns when NaNs are present (closes :issue:`327`
-  and :issue:`330`)
+  and :issue:`330`).
 - Fix computation of the buffer size for iterations on rows.
   The buffers size was overestimated resulting in a :exc:`MemoryError`
   in some cases.
@@ -117,7 +117,7 @@ Bugs fixed
   Closes :issue:`21`.
 - Close the file handle before trying to delete the corresponding file.
   Fixes a test failure on Windows.
-- Use integer division for computing indices (fixes some warning on Windows)
+- Use integer division for computing indices (fixes some warning on Windows).
 
 
 Deprecations
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.2.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.2.x.rst.txt
index 89c10fb..e0cf8bb 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.2.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.2.x.rst.txt
@@ -33,7 +33,7 @@ Bugs fixed
 
 - Only run `tables.tests.test_basics.UnicodeFilename` if the filesystem
   encoding is utf-8. Closes :issue:`485`.
-- Add lib64 to posix search path. (closes :issue:`507`)
+- Add lib64 to posix search path (closes :issue:`507`).
   Thanks to Mehdi Sadeghi.
 - Ensure cache entries are removed if fewer than 10 (closes :issue:`529`).
   Thanks to Graham Jones.
@@ -41,12 +41,12 @@ Bugs fixed
   :class:`index.Index` (closes :issue:`532` and :issue:`533`).
   Thanks to Diane Trout.
 - Fixed the evaluation of transcendental functions when numexpr is
-  compiled with VML support (closes :issue:`534`, PR #536).
+  compiled with VML support (closes :issue:`534`, :PR:`536`).
   Thanks to Tom Kooij.
 - Make sure that index classes use buffersizes that are a multiple
-  of chunkshape[0] (closes :issue:`538`, PR #538).
+  of chunkshape[0] (closes :issue:`538`, :PR:`538`).
   Thanks to Tom Kooij.
-- Ensure benchmark paths exist before benchmarks are executed (PR #544).
+- Ensure benchmark paths exist before benchmarks are executed (:PR:`544`).
   Thanks to rohitjamuar.
 
 Other changes
@@ -104,7 +104,7 @@ Improvements
 ------------
 
 - The `nrowsinbuf` is better computed now for EArray/CArray having
-  a small `chunkshape` in the main dimension.  Fixes #285.
+  a small `chunkshape` in the main dimension.  Fixes :issue:`285`.
 
 - PyTables should be installable very friendly via pip, including NumPy
   being installed automatically in the unlikely case it is not yet
@@ -161,13 +161,13 @@ Improvements
 - The redundant :func:`utilsextension.get_indices` function has been
   eliminated (replaced by :meth:`slice.indices`). Closes :issue:`195`.
 
-- Allow negative indices in point selection (closes :issue:`360`)
+- Allow negative indices in point selection (closes :issue:`360`).
 
 - Index wasn't being used if it claimed there were no results.
-  Closes :issue:`351` (see also :issue:`353`)
+  Closes :issue:`351` (see also :issue:`353`).
 
 - Atoms and Col types are no longer generated dynamically so now it is easier
-  for IDEs and static analysis tool to handle them (closes :issue:`345`)
+  for IDEs and static analysis tool to handle them (closes :issue:`345`).
 
 - The keysort functions in idx-opt.c have been cythonised using fused types.
   The perfomance is mostly unchanged, but the code is much more simpler now.
@@ -209,10 +209,10 @@ Bugs fixed
 ----------
 
 - Fixed compatibility problems with numpy 1.9 and 1.10-dev
-  (closes :issue:`362` and :issue:`366`)
+  (closes :issue:`362` and :issue:`366`).
 
 - Fixed compatibility with Cython >= 0.20 (closes :issue:`386` and
-  :issue:`387`)
+  :issue:`387`).
 
 - Fixed support for unicode node names in LRU cache (only Python 2 was
   affected). Closes :issue:`367` and :issue:`369`.
@@ -231,17 +231,17 @@ Bugs fixed
 
 - Fix incomplete results when performing the same query twice and exhausting
   the second iterator before the first. The first one writes incomplete
-  results to *seqcache* (:issue:`353`)
+  results to *seqcache* (:issue:`353`).
 
 - Fix false results potentially going to *seqcache* if
   :meth:`tableextension.Row.update` is used during iteration
-  (see :issue:`353`)
+  (see :issue:`353`).
 
-- Fix :meth:`Column.create_csindex` when there's NaNs
+- Fix :meth:`Column.create_csindex` when there's NaNs.
 
-- Fixed handling of unicode file names on windows (closes :issue:`389`)
+- Fixed handling of unicode file names on windows (closes :issue:`389`).
 
-- No longer not modify :data:`sys.argv` at import time (closes :issue:`405`)
+- No longer not modify :data:`sys.argv` at import time (closes :issue:`405`).
 
 - Fixed a performance issue on NFS (closes :issue:`402`)
 
@@ -253,7 +253,7 @@ Bugs fixed
 
 - Replaced "len(xrange(start, stop, step))" -> "len(xrange(0, stop -
   start, step))" to fix issues with large row counts with Python 2.x.
-  Fixes #447.
+  Fixes :issue:`447`.
 
 
 Other changes
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.3.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.3.x.rst.txt
index 4401990..6829e56 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.3.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.3.x.rst.txt
@@ -8,14 +8,14 @@ Changes from 3.2.3.1 to 3.3.0
 Improvements
 ------------
 
-- Single codebase Python 2 and 3 support (PR #493).
-- Internal Blosc version updated to 1.11.1 (closes :issue:`541`)
+- Single codebase Python 2 and 3 support (:PR:`493`).
+- Internal Blosc version updated to 1.11.1 (closes :issue:`541`).
 - Full BitShuffle support for new Blosc versions (>= 1.8).
 - It is now possible to remove all rows from a table.
 - It is now possible to read reference types by dereferencing them as
   numpy array of objects (closes :issue:`518` and :issue:`519`).
-  Thanks to Ehsan Azar
-- Get rid of the `-native` compile flag (closes :issue:`503`)
+  Thanks to Ehsan Azar.
+- Get rid of the `-native` compile flag (closes :issue:`503`).
 - The default number of threads to run numexpr (MAX_NUMEXPR_THREADS)
   internally has been raised from 2 to 4.  This is because we are in
   2016 and 4 core configurations are becoming common.
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.4.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.4.x.rst.txt
index 0d5ff07..8936807 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.4.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.4.x.rst.txt
@@ -31,10 +31,10 @@ Improvements
 ------------
  - On interactive python sessions, group/attribute  `__dir__()` method
    autocompletes children that are named as valid python identifiers.
-   :issue:`624` & :issue:`625` thanks to ankostis.
+   :issue:`624` & :issue:`625`, thanks to ankostis.
  - Implement `Group.__getitem__()` to have groups act as python-containers,
    so code like this works: ``hfile.root['some child']``.
-   :issue:`628` thanks to ankostis.
+   :issue:`628`, thanks to ankostis.
  - Enable building with Intel compiler (icc/icpc).
    Thanks to rohit-jamuar.
  - PEP 519 support, using new `os.fspath` method.
@@ -52,13 +52,13 @@ Bugs fixed
 ----------
  - Fixed division by zero when using `_convert_time64()` with an empty
    nparr array.
-   :issue:`653`. Thanks to alobbs.
+   :issue:`653`, thanks to alobbs.
  - Fixed deprecation warnings with numpy 1.14.
    Thanks to oleksandr-pavlyk.
  - Skip DLL check when running from a frozen app.
-   :issue:`675`. Thanks to jwiggins.
+   :issue:`675`, thanks to jwiggins.
  - Fixed behaviour with slices out of range.
-   :issue:`651`. Thanks to jackdbd.
+   :issue:`651`, thanks to jackdbd.
 
 
 Changes from 3.4.1 to 3.4.2
@@ -73,7 +73,7 @@ Bugs fixed
 ----------
  - Linux wheels now built against built-in blosc.
  - Fixed windows absolute paths in ptrepack, ptdump, ptree.
-   :issue:`616`. Thanks to oscar6echo.
+   :issue:`616`, thanks to oscar6echo.
 
 
 Changes from 3.4.0 to 3.4.1
@@ -89,11 +89,11 @@ Changes from 3.3.0 to 3.4.0
 
 Improvements
 ------------
- - Support for HDF5 v1.10.x (see :issue:`582`)
+ - Support for HDF5 v1.10.x (see :issue:`582`).
  - Fix compatibility with the upcoming Python 2.7.13, 3.5.3 and 3.6 versions.
    See also :issue:`590`. Thanks to Yaroslav Halchenko
  - Internal Blosc version updated to 1.11.3
- - Gracefully handle cpuinfo failure. (PR #578)
+ - Gracefully handle cpuinfo failure (:PR:`578`).
    Thanks to Zbigniew Jędrzejewski-Szmek
  - Update internal py-cpuinfo to 3.3.0. Thanks to Gustavo Serra Scalet.
 
@@ -103,5 +103,5 @@ Bugs fixed
    See also :issue:`598`. Thanks to Kyle Keppler for reporting.
  - Fix important bug in bitshuffle filter in internal Blosc on big-endian
    machines. See also :issue:`583`.
- - Fix allow for long type in nextafter. (PR #587) Thanks to Yaroslav Halchenko.
- - Fix unicode bug in group and tables names. :issue:`514`
+ - Fix allow for long type in nextafter (:PR:`587`). Thanks to Yaroslav Halchenko.
+ - Fix unicode bug in group and tables names (:issue:`514`).
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.5.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.5.x.rst.txt
index b4630db..7d65db4 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.5.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.5.x.rst.txt
@@ -15,9 +15,9 @@ Changes from 3.5.1 to 3.5.2
   iteration` RuntimeError while moving/renaming a node.
   Thanks to Christoph Gohlke for reporting and Miro Hrončok for help with
   building PyTables for python 3.8alpha (cython compatibility).
-  see :issue:`733` and PR #737.
+  See :issue:`733` and :PR:`737`.
 - Fixed a bug in offset calculations producing floats instead of ints
-  affecting python 3. See PR #736. Thanks to Brad Montgomery.
+  affecting python 3. See :PR:`736`. Thanks to Brad Montgomery.
 
 
 Changes from 3.5.0 to 3.5.1
@@ -47,4 +47,4 @@ Improvements
  - Improve compatibility with numpy 1.16.
  - Improve detection of the LZO2 library at build time.
  - Suppress several warnings.
- - Add AVX2 support for Windows.  See PR #716.  Thanks to Robert McLeod.
+ - Add AVX2 support for Windows.  See :PR:`716`.  Thanks to Robert McLeod.
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.6.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.6.x.rst.txt
index fd5fdcb..7161450 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.6.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.6.x.rst.txt
@@ -17,7 +17,7 @@ Maintenance release to fix packaging issues. No new features or bugfixes.
 Changes from 3.5.3 to 3.6.0
 ===========================
 
-PyTables 3.6 no longer supports Python 2.7 see PR #747.
+PyTables 3.6 no longer supports Python 2.7, see :PR:`747`.
 
 Improvements
 ------------
@@ -35,7 +35,7 @@ Bugfixes
 --------
 - Bugfix for HDF5 files/types with padding. For details see :issue:`734`.
 - More fixes for python 3.8 compatibility: Replace deprecated time.clock
-  with time.perf_counter
-  Thanks to Sergio Pascual (sergiopasra). see :issue:`744` and PR #745.
+  with time.perf_counter. See :issue:`744` and :PR:`745`.
+  Thanks to Sergio Pascual (sergiopasra).
 - Improvements in tests as well as clean up from dropping Python 2.7 support.
   Thanks to Seth Troisi (sethtroisi).
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.7.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.7.x.rst.txt
index 6adc4af..f8e611c 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.7.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.7.x.rst.txt
@@ -1 +1,52 @@
-.. include:: ../../../RELEASE_NOTES.rst
+=======================================
+ Release notes for PyTables 3.7 series
+=======================================
+
+:Author: PyTables Developers
+:Contact: pytables-dev@googlegroups.com
+
+.. py:currentmodule:: tables
+
+
+Changes from 3.6.1 to 3.7.0
+===========================
+
+Improvements
+------------
+- Compatibility with Python 3.10, numpy 1.21 and HDF5 1.12.
+- Support for Python 3.5 has been dropped (:issue:`840` and :issue:`850`).
+- Windows: Significantly faster `import tables` (:PR:`781`).
+  Thanks to Christoph Gohlke.
+- Internal C-Blosc sources updated to 1.21.1 (:issue:`931`).
+  Note that, starting from C-Blosc 1.19 does not include the Snappy codec
+  sources anymore, so Snappy will be not available if you compile from
+  included sources; other packages (like conda or wheels),
+  may (or may not) include it.
+- Stop using appveyor and deprecated ci-helpers (closes :issue:`827`).
+- Switch to `git submodule` for the management of vendored c-blosc sources.
+- CI moved to GitHub Actions (GHA).
+- Drop Travis-CI.
+- Improved code formatting and notation consistency (:issue:`873`,
+  :issue:`868`, :issue:`865` thanks to Miroslav Šedivý).
+- Improve the use of modern Python including :mod:`pathlib`, f-strings
+  (:issue:`859`, :issue:`855`, :issue:`839` and :issue:`818`
+  thanks to Miroslav Šedivý).
+- Several improvements to wheels generation in CI
+  (thanks to Andreas Motl @amotl and Matthias @xmatthias).
+- Simplified management of version information.
+- Drop dependency on the deprecated distutils.
+- Modernize the setup script and add support for PEP517 (:issue:`907`).
+
+Bugfixes
+--------
+- Fix `pkg-config` (`setup.py`) for Python 3.9 on Debian.
+  Thanks to Marco Sulla (:PR:`792`).
+- Fix ROFileNode fails to return the `fileno()` (:issue:`633`).
+- Do not flush read only files (:issue:`915` thanks to @lrepiton).
+
+Other changes
+-------------
+- Drop the deprecated `hdf5Version` and `File.open_count`.
+- the :func:`get_tables_version` and :func:`get_hdf5_version` functions are
+  now deprecated please use the coresponding :data:`tables.__version__` and
+  :data:`tables.hdf5_version` instead.
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.8.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.8.x.rst.txt
index 6adc4af..74d120a 100644
--- a/_sources/release-notes/RELEASE_NOTES_v3.8.x.rst.txt
+++ b/_sources/release-notes/RELEASE_NOTES_v3.8.x.rst.txt
@@ -1 +1,30 @@
-.. include:: ../../../RELEASE_NOTES.rst
+=======================================
+ Release notes for PyTables 3.8 series
+=======================================
+
+:Author: PyTables Developers
+:Contact: pytables-dev@googlegroups.com
+
+.. py:currentmodule:: tables
+
+
+Changes from 3.7.0 to 3.8.0
+===========================
+
+Improvements
+------------
+- Support for Python 3.11 has been added (:PR:`962`).
+- Support for Python 3.6 and Python 3.7 has been dropped (:PR:`966`).
+- Added a new (registered) HDF5 filter for Blosc2 compressor (:PR:`969`).
+- Added optimized paths for Blosc2 reading and writing in tables. This
+  bypasses the HDF5 filter pipeline by building the Blosc2 CFrames and
+  sending them to the HDF5 direct chunking machinery (:PR:`969`).
+- Internal C-Blosc sources updated to 1.21.2.
+- Thanks to Oscar Guiñon, Francesc Alted for implementing Blosc2 the
+  support and NumFOCUS for providing a grant for that.
+
+Other changes
+-------------
+- Starting form this release, C source files generated by Cython are no
+  longer included in the source distribution package.
+- Pre-built HTML documentation is no longer included in the source package.
diff --git a/_sources/release-notes/RELEASE_NOTES_v3.9.x.rst.txt b/_sources/release-notes/RELEASE_NOTES_v3.9.x.rst.txt
new file mode 100644
index 0000000..61292eb
--- /dev/null
+++ b/_sources/release-notes/RELEASE_NOTES_v3.9.x.rst.txt
@@ -0,0 +1,10 @@
+.. When releasing a new major or minor (not patch) version,
+.. copy this file to ``RELEASE_NOTES_v<NEW-MAJOR>.<NEW-MINOR>.x.rst``,
+.. and replace the contents of the old file
+.. with those of the file mentioned below,
+.. for the entries covering the releases matching the old minor version.
+..
+.. E.g. if X.Y+1 is released,
+.. copy this file to ``RELEASE_NOTES_vX.Y+1.x.rst``,
+.. then replace current content with entries from ``RELEASE_NOTES.txt`` for X.Y releases.
+.. include:: ../../../RELEASE_NOTES.rst
diff --git a/_sources/release_notes.rst.txt b/_sources/release_notes.rst.txt
index b79ac57..019d003 100644
--- a/_sources/release_notes.rst.txt
+++ b/_sources/release_notes.rst.txt
@@ -17,6 +17,7 @@ PyTables
 .. toctree::
     :maxdepth: 1
 
+    release-notes/RELEASE_NOTES_v3.9.x
     release-notes/RELEASE_NOTES_v3.8.x
     release-notes/RELEASE_NOTES_v3.7.x
     release-notes/RELEASE_NOTES_v3.6.x
@@ -65,6 +66,11 @@ Release timeline
 ----------------
 
 =============== =========== ==========
+PyTables        3.9.0       2023-10-04
+PyTables        3.8.0       2022-12-23
+PyTables        3.7.0       2021-12-28
+PyTables        3.6.1       2019-10-28
+PyTables        3.6.0       2019-10-14
 PyTables        3.5.2       2019-05-31
 PyTables        3.5.1       2019-03-14
 PyTables        3.5.0       2019-03-13
@@ -131,7 +137,7 @@ PyTables        1.1.1       2005-09-13
 PyTables        1.1         2005-07-14
 PyTables        1.0         2005-05-12
 PyTables        0.9.1       2004-12-02
-PyTables-       0.9         2004-11-08
+PyTables        0.9         2004-11-08
 PyTables        0.8.1       2004-07-13
 PyTables        0.8         2004-03-03
 PyTables        0.7.2       2003-09-22
diff --git a/_sources/usersguide/index.rst.txt b/_sources/usersguide/index.rst.txt
index 281c1c4..ca97c9b 100644
--- a/_sources/usersguide/index.rst.txt
+++ b/_sources/usersguide/index.rst.txt
@@ -13,7 +13,7 @@ Hierarchical datasets in Python
 
             |copy| 2008, 2009, 2010 - Francesc Alted
 
-            |copy| 2011–2022 - PyTables maintainers
+            |copy| 2011–2023 - PyTables maintainers
 
 --------
 Contents
diff --git a/_sources/usersguide/installation.rst.txt b/_sources/usersguide/installation.rst.txt
index 2642d49..49519a3 100644
--- a/_sources/usersguide/installation.rst.txt
+++ b/_sources/usersguide/installation.rst.txt
@@ -14,8 +14,9 @@ package from sources you can go on reading to the next section.
 
 However, if you want to go straight to binaries that 'just work' for the main
 platforms (Linux, Mac OSX and Windows), you might want to use the excellent
-Anaconda_, ActivePython_, Canopy_ distributions.  PyTables usually distributes its own
-Windows binaries too; go :ref:`binaryInstallationDescr` for instructions.
+Anaconda_, ActivePython_, Canopy_ distributions.  PyTables usually distributes
+its own Windows binaries too; go :ref:`binaryInstallationDescr` for
+instructions.
 Finally `Christoph Gohlke`_ also maintains an excellent suite of a variety of
 binary packages for Windows at his site.
 
@@ -47,31 +48,45 @@ packages.
 Prerequisites
 ~~~~~~~~~~~~~
 
-First, make sure that you have
+First, make sure that you have the following dependencies installed.
+If you don't, fetch and install them before proceeding.
 
-* Python_ >= 3.6 (PyTables-3.5 was the last release with Python 2.7 support)
-* HDF5_ >= 1.10.5
+.. Keep Python in sync with ``project.classifiers`` in ``pyproject.toml``.
+.. Keep versions from HDF5 on in sync with
+.. those mentioned in ``tables/req_versions.py``,
+.. those mentioned in ``ci/github/get_hdf5.sh``.
+.. Keep Cython in sync with ``build-system.requires`` in ``pyproject.toml``.
+.. Keep entries from NumPy on in sync with ``project.dependencies`` in ``pyproject.toml``.
+.. Keep system packages in sync with build jobs in `.github/workflows/*.yml`.
+
+* Python_ >= 3.9 (Python 3.8 may work, but you may need to build/test yourself)
+* HDF5_ >= 1.10.5 (although 1.14.0 or later is strongly recommended)
+* Cython_ >= 0.29.32
 * NumPy_ >= 1.19.0
 * Numexpr_ >= 2.6.2
-* Cython_ >= 0.29.21
+* packaging_
+* py-cpuinfo_
 * c-blosc_ >= 1.11.1 (sources are bundled with PyTables sources but the user can
   use an external version of sources using the :envvar:`BLOSC_DIR` environment
   variable or the `--blosc` flag of the :file:`setup.py`)
-* python-blosc2_ ~= 2.0.0 This is the Python wheel containing *both* the C-Blosc2 libs
-  and headers (>= 2.6.0), as well as the Python wrapper for Blosc2 (not currently
-  used, but it might be in the future).
-
-installed (for testing purposes, we are using HDF5_ 1.10.7, NumPy_ 1.23.2
-and Numexpr_ 2.8.1 currently). If you don't, fetch and install them before
-proceeding.
+* Either
+   * python-blosc2_ >= 2.2.8, this is the Python wheel containing *both* the
+     C-Blosc2 libs and headers (>= 2.10.4), as well as the Python wrapper for
+     Blosc2 (not currently used, but it might be in the future), or
+   * A standalone installation of the c-blosc2_ library (>= 2.10.4) including
+     the headers.  The latter are usually provided by Linux distribtions in a
+     package named `blosc2-devel`, `libblosc2-dev`, or similar.
 
 .. _Python: http://www.python.org
 .. _HDF5: http://www.hdfgroup.org/HDF5
 .. _NumPy: http://www.numpy.org
 .. _Numexpr: http://code.google.com/p/numexpr
+.. _packaging: https://packaging.pypa.io
+.. _py-cpuinfo: https://github.com/workhorsy/py-cpuinfo
 .. _Cython: http://www.cython.org
 .. _c-blosc: https://github.com/Blosc/c-blosc
 .. _python-blosc2: https://github.com/Blosc/python-blosc2
+.. _c-blosc2: https://github.com/Blosc/c-blosc2
 
 Compile and install these packages (but see :ref:`prerequisitesBinInst` for
 instructions on how to install pre-compiled binaries if you are not willing
@@ -89,30 +104,69 @@ in PyTables, so this will be used in case it is not found in the
 system.  So, in case the installer warns about not finding it, do not
 worry too much ;)
 
+Libraries are searched in system standard paths, and `pkg-config` is used,
+when available, to improve the automatic detection.
+
+If `setup.py`` can not find any of the needed libraries or if several
+versions of a library are installed, then it is possible to set the path
+to the particular resource using the environment.  The following environment
+variables can be used for the purpose:
+
+* :envvar:`HDF5_DIR`,
+* :envvar:`LZO_DIR`,
+* :envvar:`BZIP2_DIR`,
+* :envvar:`BLOSC_DIR`, or
+* :envvar:`BLOSC2_DIR`
+
+One may also specify the locations of the resource root directories on the
+`setup.py`` command line.  The following options are available:
+
+* `--hdf5`,
+* `--blosc`,
+* `--lzo`,
+* `--bzip2`, or
+* `--blosc2`
+
+ 1. the command line arguments to `setup.py` (e.g. `--blosc2`) has the
+    highest precedence
+ 2. If the command line argument for a specific library is not specified and
+    the corresponding environment variables exists (e.g. `BLOSC2_DIR`),
+    then its value is used.
+ 3. If the target library (`blosc2` in the example) can't still be found,
+    then `pkg-config` is used for further detection, if it is available.
+ 4. If the library is still not found, then a selection of hardcoded paths
+    is used
+
+Please note that, for the specific case of Blosc2, the list of search paths
+also includes the ones used by the `python-blosc2` wheel package to install
+the relevant header files and libraries.
+
 **Unix**
 
-    setup.py will detect HDF5, Blosc, LZO, or bzip2 libraries and include
-    files under :file:`/usr` or :file:`/usr/local`; this will cover most
-    manual installations as well as installations from packages.  If setup.py
-    can not find libhdf5, libhdf5 (or liblzo, or libbz2 that you may wish to
-    use) or if you have several versions of a library installed and want to
-    use a particular one, then you can set the path to the resource in the
-    environment, by setting the values of the :envvar:`HDF5_DIR`,
-    :envvar:`LZO_DIR`, :envvar:`BZIP2_DIR` or :envvar:`BLOSC_DIR` environment
-    variables to the path to the particular resource. You may also specify the
+    setup.py will detect HDF5, Blosc, Blosc2, LZO, or bzip2 libraries and
+    include files under :file:`/usr` or :file:`/usr/local`; this will cover
+    most manual installations as well as installations from packages.
+    If setup.py can not find libhdf5, libhdf5 (or liblzo, or libbz2 that
+    you may wish to use) or if you have several versions of a library
+    installed and want to use a particular one, then you can set the path
+    to the resource in the environment, by setting the values of the
+    :envvar:`HDF5_DIR`, :envvar:`LZO_DIR`, :envvar:`BZIP2_DIR`,
+    :envvar:`BLOSC_DIR` or :envvar:`BLOSC2_DIR` environment variables to
+    the path to the particular resource. You may also specify the
     locations of the resource root directories on the setup.py command line.
     For example::
 
-        --hdf5=/stuff/hdf5-1.8.12
-        --blosc=/stuff/blosc-1.8.1
+        --hdf5=/stuff/hdf5-1.14.2
+        --blosc=/stuff/blosc-1.21.5
         --lzo=/stuff/lzo-2.02
         --bzip2=/stuff/bzip2-1.0.5
+        --blosc2=/stuff/blosc2-2.10.3
 
     If your HDF5 library was built as a shared library not in the runtime load
     path, then you can specify the additional linker flags needed to find the
     shared library on the command line as well. For example::
 
-        --lflags="-Xlinker -rpath -Xlinker /stuff/hdf5-1.8.12/lib"
+        --lflags="-Xlinker -rpath -Xlinker /stuff/hdf5-1.14.2/lib"
 
     You may also want to try setting the :envvar:`LD_LIBRARY_PATH`
     environment variable to point to the directory where the shared libraries
@@ -122,7 +176,7 @@ worry too much ;)
     It is also possible to link with specific libraries by setting the
     :envvar:`LIBS` environment variable::
 
-        LIBS="hdf5-1.8.12 nsl"
+        LIBS="hdf5-1.14.2 nsl"
 
     Starting from PyTables 3.2 can also query the *pkg-config* database to
     find the required packages. If available, pkg-config is used by default
@@ -146,15 +200,17 @@ worry too much ;)
     Once you have installed the prerequisites, setup.py needs to know where
     the necessary library *stub* (.lib) and *header* (.h) files are installed.
     You can set the path to the include and dll directories for the HDF5
-    (mandatory) and LZO, BZIP2, BLOSC (optional) libraries in the environment,
-    by setting the values of the :envvar:`HDF5_DIR`, :envvar:`LZO_DIR`,
-    :envvar:`BZIP2_DIR` or :envvar:`BLOSC_DIR` environment variables to the
-    path to the particular resource.  For example::
+    (mandatory) and LZO, BZIP2, BLOSC (optional), BLOSC2 libraries in the
+    environment, by setting the values of the :envvar:`HDF5_DIR`,
+    :envvar:`LZO_DIR`, :envvar:`BZIP2_DIR`, :envvar:`BLOSC_DIR` or
+    :envvar:`BLOSC2_DIR` environment variables to the path to the particular
+    resource.  For example::
 
         set HDF5_DIR=c:\\stuff\\hdf5-1.8.5-32bit-VS2008-IVF101\\release
         set BLOSC_DIR=c:\\Program Files (x86)\\Blosc
         set LZO_DIR=c:\\Program Files (x86)\\GnuWin32
         set BZIP2_DIR=c:\\Program Files (x86)\\GnuWin32
+        set BLOSC2_DIR=c:\\Program Files (x86)\\Blosc2
 
     You may also specify the locations of the resource root directories on the
     setup.py command line.
@@ -164,6 +220,7 @@ worry too much ;)
         --blosc=c:\\Program Files (x86)\\Blosc
         --lzo=c:\\Program Files (x86)\\GnuWin32
         --bzip2=c:\\Program Files (x86)\\GnuWin32
+        --blosc2=c:\\Program Files (x86)\\Blosc2
 
 **Conda**
 
@@ -231,10 +288,10 @@ you can proceed with the PyTables package itself.
 
       $ python3 setup.py build
 
-   If the HDF5 installation is in a custom path, e.g. $HOME/hdf5-1.8.15pre7,
+   If the HDF5 installation is in a custom path, e.g. $HOME/hdf5-1.14.2,
    one of the following commands can be used::
 
-      $ python3 setup.py build --hdf5=$HOME/hdf5-1.8.15pre7
+      $ python3 setup.py build --hdf5=$HOME/hdf5-1.14.2
 
    .. note::
 
diff --git a/_sources/usersguide/libref/declarative_classes.rst.txt b/_sources/usersguide/libref/declarative_classes.rst.txt
index 55fed84..702161f 100644
--- a/_sources/usersguide/libref/declarative_classes.rst.txt
+++ b/_sources/usersguide/libref/declarative_classes.rst.txt
@@ -170,6 +170,10 @@ instances have the following attributes.
     The *relative* position of this column with regard to its column
     siblings.
 
+.. attribute:: Col._v_col_attrs
+
+    Additional metadata information. See :ref:`AttributeSetClassDescr`.
+
 
 Col factory methods
 ~~~~~~~~~~~~~~~~~~~
diff --git a/_sources/usersguide/optimization.rst.txt b/_sources/usersguide/optimization.rst.txt
index 43ee0cd..64fb6b6 100644
--- a/_sources/usersguide/optimization.rst.txt
+++ b/_sources/usersguide/optimization.rst.txt
@@ -161,6 +161,83 @@ small or too large chunksize.  As always, experimenting prior to pass your
 application into production is your best ally.
 
 
+.. _multidimSlicing:
+
+Multidimensional slicing and chunk/block sizes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+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,
+but avoiding that by using bigger chunks may make operations slow, as whole
+big chunks would need to be loaded in memory anyway just to access a small
+slice.  Compression may help by making the chunks smaller on disk, but the
+decompressed chunks in memory may still be big enough to make the slicing
+inefficient.
+
+To help with this scenario, PyTables supports Blosc2 NDim (b2nd) compression,
+which uses a 2-level partitioning of arrays into multidimensional chunks made
+of smaller multidimensional blocks; reading slices of such arrays is optimized
+by direct access to chunks (avoiding the slower HDF5 filter pipeline).  b2nd
+works better when the compressed chunk is big enough to minimize the number of
+chunks in the array, while still fitting in the CPU's L3 cache (and leaving
+some extra room), and the blocksize is such that any block is likely to fit
+both compressed and uncompressed in each CPU core's L2 cache.
+
+This last requirement of course depends on the data itself and the compression
+algorithm and parameters chosen.  The Blosc2 library uses some heuristics to
+choose a good enough blocksize given a compression algorithm and level.  Once
+you choose an algorithm which fits your data, you may use the program
+examples/get_blocksize.c in the C-Blosc2 package to get the default blocksize
+for the different levels of that compression algorithm (it already contains
+some sample output for zstd).  In the example benchmarks below, with the LZ4
+algorithm and compression level 8, we got a blocksize of 2MB which fitted in
+the L2 cache of each of our CPU cores.
+
+With that compression setup, we ran the benchmark in
+bench/b2nd_compare_getslice.py, which compares the throughput of slicing a
+4-dimensional array of 50x100x300x250 long floats (2.8GB) along each of its
+dimensions for PyTables with flat slicing (via the HDF5 filter mechanism),
+PyTables with b2nd slicing (optimized via direct chunk access), and h5py
+(which also uses the HDF5 filter).  The result for a chunkshape of 10x25x50x50
+is shown in :ref:`figure <b2ndSlicing-vs-filter-smallChunk>`.
+
+.. _b2ndSlicing-vs-filter-smallChunk:
+
+.. figure:: images/b2nd_getslice_small.png
+    :align: center
+
+    **Throughput for slicing a Blosc2-compressed array along its 4 dimensions
+    with PyTables filter, PyTables b2nd (optimized) and h5py, all using a
+    small chunk.**
+
+The optimized b2nd slicing of PyTables already provided some sizable speedups
+in comparison with flat slicing based on the HDF5 filter pipeline in the inner
+dimensions.  But the 4.8MB chunksize was probably too small for the CPU's L3
+cache of 32MB, causing extra overhead.  By proceeding to adjust the chunkshape
+to 10x25x150x100 (28.6MB), that fits in the L3 cache, the performance gains
+are palpable, as shown in :ref:`figure <b2ndSlicing-vs-filter-bigChunk>`.
+
+.. _b2ndSlicing-vs-filter-bigChunk:
+
+.. figure:: images/b2nd_getslice_big.png
+    :align: center
+
+    **Throughput for slicing a Blosc2-compressed array along its 4 dimensions
+    with PyTables filter, PyTables b2nd (optimized) and h5py, all using a big
+    chunk.**
+
+Choosing a better chunkshape not just provided up to 5x speedup for the
+PyTables optimized case, it also resulted in 3x-4x speedups compared to the
+performance of the HDF5 filter.
+
+Optimized b2nd slicing in PyTables has its limitations, though: it only works
+with contiguous slices (that is, with step 1) and on datasets with the same
+byte ordering as the host machine.  However, the performance gains may be
+worth the extra effort of choosing the right compression parameters and
+chunksizes when your use case is not affected by those limitations.
+
+
 .. _searchOptim:
 
 Accelerating your searches
diff --git a/_sources/usersguide/tutorials.rst.txt b/_sources/usersguide/tutorials.rst.txt
index 84c3052..042ef9e 100644
--- a/_sources/usersguide/tutorials.rst.txt
+++ b/_sources/usersguide/tutorials.rst.txt
@@ -743,6 +743,12 @@ file written to disk.
 Attributes are a useful mechanism to add persistent (meta) information to
 your data.
 
+Starting with PyTables 3.9.0, you can also set, delete, or rename attributes on individual columns. The API is designed to behave the same way as attributes on a table::
+
+    >>> table.cols.pressure.attrs['units'] = 'kPa'
+    >>> table.cols.energy.attrs['units'] = 'MeV'
+
+
 
 Getting object metadata
 ~~~~~~~~~~~~~~~~~~~~~~~
@@ -2222,20 +2228,20 @@ object is returned.
 
 It is possible to create arrays that immitate nested table-like structure with _v_nested_descr attribute::
 
-    >>> import numpy
+    >>> import numpy as np
     >>> table.description._v_nested_descr
     [('info2', [('info3', [('x', '()f8'), ('y', '()u1')]), ('name', '()S10'),
      ('value', '()f8')]), ('info1', [('name', '()S10'), ('value', '()f8')]),
      ('color', '()u4')]
-    >>> numpy.rec.array(None, shape=0,
-                        dtype=table.description._v_nested_descr)
+    >>> np.rec.array(None, shape=0, dtype=table.description._v_nested_descr)
     recarray([],
           dtype=[('info2', [('info3', [('x', '>f8'), ('y', '|u1')]),
                  ('name', '|S10'), ('value', '>f8')]),
                  ('info1', [('name', '|S10'), ('value', '>f8')]),
                  ('color', '>u4')])
-    >>> numpy.rec.array(None, shape=0,
-                        dtype=table.description.info2._v_nested_descr)
+    >>> np.rec.array(
+            None, shape=0, dtype=table.description.info2._v_nested_descr
+        )
     recarray([],
           dtype=[('info3', [('x', '>f8'), ('y', '|u1')]), ('name', '|S10'),
                  ('value', '>f8')])
diff --git a/_sources/usersguide/usersguide.rst.txt b/_sources/usersguide/usersguide.rst.txt
index 1cea3b2..9f3885d 100644
--- a/_sources/usersguide/usersguide.rst.txt
+++ b/_sources/usersguide/usersguide.rst.txt
@@ -19,7 +19,7 @@ PyTables User's Guide
 
             |copy| 2008, 2009, 2010 - Francesc Alted
 
-            |copy| 2011–2022 - PyTables maintainers
+            |copy| 2011–2023 - PyTables maintainers
 :Date:      |today|
 :Version:   |version|
 :Home Page: http://www.pytables.org
diff --git a/_static/basic.css b/_static/basic.css
index 4e9a9f1..30fee9d 100644
--- a/_static/basic.css
+++ b/_static/basic.css
@@ -4,7 +4,7 @@
  *
  * Sphinx stylesheet -- basic theme.
  *
- * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
@@ -237,6 +237,10 @@ a.headerlink {
     visibility: hidden;
 }
 
+a:visited {
+    color: #551A8B;
+}
+
 h1:hover > a.headerlink,
 h2:hover > a.headerlink,
 h3:hover > a.headerlink,
@@ -324,6 +328,7 @@ aside.sidebar {
 p.sidebar-title {
     font-weight: bold;
 }
+
 nav.contents,
 aside.topic,
 div.admonition, div.topic, blockquote {
@@ -331,6 +336,7 @@ div.admonition, div.topic, blockquote {
 }
 
 /* -- topics ---------------------------------------------------------------- */
+
 nav.contents,
 aside.topic,
 div.topic {
@@ -606,6 +612,7 @@ ol.simple p,
 ul.simple p {
     margin-bottom: 0;
 }
+
 aside.footnote > span,
 div.citation > span {
     float: left;
@@ -667,6 +674,16 @@ 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;
@@ -735,6 +752,14 @@ 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 e380325..c718cee 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
+.clearfix{*zoom:1}.clearfix:after,.clearfix:before{display:table;content:""}.clearfix:after{clear:both}@font-face{font-family:FontAwesome;font-style:normal;font-weight:400;src:url(fonts/fontawesome-webfont.eot?674f50d287a8c48dc19ba404d20fe713?#iefix) format("embedded-opentype"),url(fonts/fontawesome-webfont.woff2?af7ae505a9eed503f8b8e6982036873e) format("woff2"),url(fonts/fontawesome-webfont.woff?fee66e712a8a08eef5805a46892932ad) format("woff"),url(fonts/fontawesome-webfont.ttf?b06871f281fee6b241d60582ae9369b9) format("truetype"),url(fonts/fontawesome-webfont.svg?912ec66d7572ff821749319396470bde#FontAwesome) format("svg")}.fa:before{font-family:FontAwesome;font-style:normal;font-weight:400;line-height:1}.fa:before,a .fa{text-decoration:inherit}.fa:before,a .fa,li .fa{display:inline-block}li .fa-large:before{width:1.875em}ul.fas{list-style-type:none;margin-left:2em;text-indent:-.8em}ul.fas li .fa{width:.8em}ul.fas li .fa-large:before{vertical-align:baseline}.fa-book:before,.icon-book:before{content:"\f02d"}.fa-caret-down:before,.icon-caret-down:before{content:"\f0d7"}.fa-caret-up:before,.icon-caret-up:before{content:"\f0d8"}.fa-caret-left:before,.icon-caret-left:before{content:"\f0d9"}.fa-caret-right:before,.icon-caret-right:before{content:"\f0da"}.rst-versions{position:fixed;bottom:0;left:0;width:300px;color:#fcfcfc;background:#1f1d1d;font-family:Lato,proxima-nova,Helvetica Neue,Arial,sans-serif;z-index:400}.rst-versions a{color:#2980b9;text-decoration:none}.rst-versions .rst-badge-small{display:none}.rst-versions .rst-current-version{padding:12px;background-color:#272525;display:block;text-align:right;font-size:90%;cursor:pointer;color:#27ae60}.rst-versions .rst-current-version:after{clear:both;content:"";display:block}.rst-versions .rst-current-version .fa{color:#fcfcfc}.rst-versions .rst-current-version .fa-book,.rst-versions .rst-current-version .icon-book{float:left}.rst-versions .rst-current-version.rst-out-of-date{background-color:#e74c3c;color:#fff}.rst-versions .rst-current-version.rst-active-old-version{background-color:#f1c40f;color:#000}.rst-versions.shift-up{height:auto;max-height:100%;overflow-y:scroll}.rst-versions.shift-up .rst-other-versions{display:block}.rst-versions .rst-other-versions{font-size:90%;padding:12px;color:grey;display:none}.rst-versions .rst-other-versions hr{display:block;height:1px;border:0;margin:20px 0;padding:0;border-top:1px solid #413d3d}.rst-versions .rst-other-versions dd{display:inline-block;margin:0}.rst-versions .rst-other-versions dd a{display:inline-block;padding:6px;color:#fcfcfc}.rst-versions.rst-badge{width:auto;bottom:20px;right:20px;left:auto;border:none;max-width:300px;max-height:90%}.rst-versions.rst-badge .fa-book,.rst-versions.rst-badge .icon-book{float:none;line-height:30px}.rst-versions.rst-badge.shift-up .rst-current-version{text-align:right}.rst-versions.rst-badge.shift-up .rst-current-version .fa-book,.rst-versions.rst-badge.shift-up .rst-current-version .icon-book{float:left}.rst-versions.rst-badge>.rst-current-version{width:auto;height:30px;line-height:30px;padding:0 6px;display:block;text-align:center}@media screen and (max-width:768px){.rst-versions{width:85%;display:none}.rst-versions.shift{display:block}}
\ No newline at end of file
diff --git a/_static/css/theme.css b/_static/css/theme.css
index 8cd4f10..19a446a 100644
--- a/_static/css/theme.css
+++ b/_static/css/theme.css
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diff --git a/_static/doctools.js b/_static/doctools.js
index 527b876..d06a71d 100644
--- a/_static/doctools.js
+++ b/_static/doctools.js
@@ -4,7 +4,7 @@
  *
  * Base JavaScript utilities for all Sphinx HTML documentation.
  *
- * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
diff --git a/_static/documentation_options.js b/_static/documentation_options.js
index 3796ddd..a040b31 100644
--- a/_static/documentation_options.js
+++ b/_static/documentation_options.js
@@ -1,6 +1,5 @@
-var DOCUMENTATION_OPTIONS = {
-    URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
-    VERSION: '3.8.1.dev0',
+const DOCUMENTATION_OPTIONS = {
+    VERSION: '3.9.0',
     LANGUAGE: 'en',
     COLLAPSE_INDEX: false,
     BUILDER: 'html',
diff --git a/_static/graphviz.css b/_static/graphviz.css
index 19e7afd..8d81c02 100644
--- a/_static/graphviz.css
+++ b/_static/graphviz.css
@@ -4,7 +4,7 @@
  *
  * Sphinx stylesheet -- graphviz extension.
  *
- * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
diff --git a/_static/js/theme.js b/_static/js/theme.js
index 839d07e..1fddb6e 100644
--- a/_static/js/theme.js
+++ b/_static/js/theme.js
@@ -1 +1 @@
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diff --git a/_static/language_data.js b/_static/language_data.js
index 2e22b06..250f566 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 2007-2022 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
diff --git a/_static/pygments.css b/_static/pygments.css
index 691aeb8..0d49244 100644
--- a/_static/pygments.css
+++ b/_static/pygments.css
@@ -17,6 +17,7 @@ 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 e89e34d..7918c3f 100644
--- a/_static/searchtools.js
+++ b/_static/searchtools.js
@@ -4,7 +4,7 @@
  *
  * Sphinx JavaScript utilities for the full-text search.
  *
- * :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
+ * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS.
  * :license: BSD, see LICENSE for details.
  *
  */
@@ -57,12 +57,12 @@ const _removeChildren = (element) => {
 const _escapeRegExp = (string) =>
   string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string
 
-const _displayItem = (item, searchTerms) => {
+const _displayItem = (item, searchTerms, highlightTerms) => {
   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;
 
@@ -75,20 +75,24 @@ const _displayItem = (item, searchTerms) => {
     if (dirname.match(/\/index\/$/))
       dirname = dirname.substring(0, dirname.length - 6);
     else if (dirname === "index/") dirname = "";
-    requestUrl = docUrlRoot + dirname;
+    requestUrl = contentRoot + dirname;
     linkUrl = requestUrl;
   } else {
     // normal html builders
-    requestUrl = docUrlRoot + docName + docFileSuffix;
+    requestUrl = contentRoot + docName + docFileSuffix;
     linkUrl = docName + docLinkSuffix;
   }
   let linkEl = listItem.appendChild(document.createElement("a"));
   linkEl.href = linkUrl + anchor;
   linkEl.dataset.score = score;
   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())
@@ -97,6 +101,9 @@ const _displayItem = (item, searchTerms) => {
           listItem.appendChild(
             Search.makeSearchSummary(data, searchTerms)
           );
+        // 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);
 };
@@ -115,14 +122,15 @@ const _finishSearch = (resultCount) => {
 const _displayNextItem = (
   results,
   resultCount,
-  searchTerms
+  searchTerms,
+  highlightTerms,
 ) => {
   // 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);
+    _displayItem(results.pop(), searchTerms, highlightTerms);
     setTimeout(
-      () => _displayNextItem(results, resultCount, searchTerms),
+      () => _displayNextItem(results, resultCount, searchTerms, highlightTerms),
       5
     );
   }
@@ -360,7 +368,7 @@ const Search = {
     // console.info("search results:", Search.lastresults);
 
     // print the results
-    _displayNextItem(results, results.length, searchTerms);
+    _displayNextItem(results, results.length, searchTerms, highlightTerms);
   },
 
   /**
diff --git a/_static/sphinx_highlight.js b/_static/sphinx_highlight.js
index aae669d..8a96c69 100644
--- a/_static/sphinx_highlight.js
+++ b/_static/sphinx_highlight.js
@@ -29,14 +29,19 @@ const _highlight = (node, addItems, text, className) => {
       }
 
       span.appendChild(document.createTextNode(val.substr(pos, text.length)));
+      const rest = document.createTextNode(val.substr(pos + text.length));
       parent.insertBefore(
         span,
         parent.insertBefore(
-          document.createTextNode(val.substr(pos + text.length)),
+          rest,
           node.nextSibling
         )
       );
       node.nodeValue = val.substr(0, pos);
+      /* There may be more occurrences of search term in this node. So call this
+       * function recursively on the remaining fragment.
+       */
+      _highlight(rest, addItems, text, className);
 
       if (isInSVG) {
         const rect = document.createElementNS(
@@ -140,5 +145,10 @@ const SphinxHighlight = {
   },
 };
 
-_ready(SphinxHighlight.highlightSearchWords);
-_ready(SphinxHighlight.initEscapeListener);
+_ready(() => {
+  /* Do not call highlightSearchWords() when we are on the search page.
+   * It will highlight words from the *previous* search query.
+   */
+  if (typeof Search === "undefined") SphinxHighlight.highlightSearchWords();
+  SphinxHighlight.initEscapeListener();
+});
diff --git a/cookbook/custom_data_types.html b/cookbook/custom_data_types.html
index 5686344..ea12a87 100644
--- a/cookbook/custom_data_types.html
+++ b/cookbook/custom_data_types.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Using your own custom data types &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Using your own custom data types &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="SimpleTable: simple wrapper around the Table object" href="simple_table.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -136,75 +83,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/custom_data_types.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink to this heading">¶</a></h1>
+<h1>Using your own custom data types<a class="headerlink" href="#using-your-own-custom-data-types" title="Link 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
@@ -295,50 +200,33 @@ <h1>Using your own custom data types<a class="headerlink" href="#using-your-own-
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="simple_table.html" class="btn btn-neutral float-right" title="SimpleTable: simple wrapper around the Table object" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="tailoring_atexit_hooks.html" class="btn btn-neutral float-left" title="Tailoring atexit hooks" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="simple_table.html" class="btn btn-neutral float-right" title="SimpleTable: simple wrapper around the Table object" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/cookbook/hints_for_sql_users.html b/cookbook/hints_for_sql_users.html
index 04bdee2..1f70c10 100644
--- a/cookbook/hints_for_sql_users.html
+++ b/cookbook/hints_for_sql_users.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Hints for SQL users &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Hints for SQL users &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="How to integrate PyTables in your application by using py2exe" href="py2exe_howto.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -152,75 +99,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/hints_for_sql_users.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="hints-for-sql-users">
-<h1>Hints for SQL users<a class="headerlink" href="#hints-for-sql-users" title="Permalink to this heading">¶</a></h1>
+<h1>Hints for SQL users<a class="headerlink" href="#hints-for-sql-users" title="Link 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.
@@ -238,7 +143,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Creating a new database<a class="headerlink" href="#creating-a-new-database" title="Link 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>
@@ -269,7 +174,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>A note on concurrency under PyTables<a class="headerlink" href="#a-note-on-concurrency-under-pytables" title="Link 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
@@ -278,7 +183,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Creating a table<a class="headerlink" href="#creating-a-table" title="Link 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>);
@@ -294,7 +199,7 @@ <h2>Creating a table<a class="headerlink" href="#creating-a-table" title="Permal
 </pre></div>
 </div>
 <section id="table-descriptions">
-<h3>Table descriptions<a class="headerlink" href="#table-descriptions" title="Permalink to this heading">¶</a></h3>
+<h3>Table descriptions<a class="headerlink" href="#table-descriptions" title="Link 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>
@@ -329,7 +234,7 @@ <h3>Table descriptions<a class="headerlink" href="#table-descriptions" title="Pe
 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="Permalink to this heading">¶</a></h3>
+<h3>Column type declarations<a class="headerlink" href="#column-type-declarations" title="Link 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>
@@ -382,7 +287,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Using a description<a class="headerlink" href="#using-a-description" title="Link 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>
@@ -409,7 +314,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Creating an index<a class="headerlink" href="#creating-an-index" title="Link 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>
@@ -435,7 +340,7 @@ <h2>Creating an index<a class="headerlink" href="#creating-an-index" title="Perm
 </div>
 </section>
 <section id="altering-a-table">
-<h2>Altering a table<a class="headerlink" href="#altering-a-table" title="Permalink to this heading">¶</a></h2>
+<h2>Altering a table<a class="headerlink" href="#altering-a-table" title="Link 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>
@@ -453,7 +358,7 @@ <h2>Altering a table<a class="headerlink" href="#altering-a-table" title="Permal
 PyTables.</p>
 </section>
 <section id="dropping-a-table">
-<h2>Dropping a table<a class="headerlink" href="#dropping-a-table" title="Permalink to this heading">¶</a></h2>
+<h2>Dropping a table<a class="headerlink" href="#dropping-a-table" title="Link 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>
@@ -470,7 +375,7 @@ <h2>Dropping a table<a class="headerlink" href="#dropping-a-table" title="Permal
 <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="Permalink to this heading">¶</a></h2>
+<h2>Inserting data<a class="headerlink" href="#inserting-data" title="Link 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>
@@ -515,13 +420,13 @@ <h2>Inserting data<a class="headerlink" href="#inserting-data" title="Permalink
 <span class="n">tbl</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">rows</span><span class="p">)</span>
 
 <span class="c1"># Using a NumPy container.</span>
-<span class="kn">import</span> <span class="nn">numpy</span>
-<span class="n">rows</span> <span class="o">=</span> <span class="n">numpy</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">rows</span><span class="p">)</span>
+<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
+<span class="n">rows</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">rows</span><span class="p">)</span>
 <span class="n">tbl</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">rows</span><span class="p">)</span>
 </pre></div>
 </div>
 <section id="a-note-on-transactions">
-<h3>A note on transactions<a class="headerlink" href="#a-note-on-transactions" title="Permalink to this heading">¶</a></h3>
+<h3>A note on transactions<a class="headerlink" href="#a-note-on-transactions" title="Link 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).
@@ -539,7 +444,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Updating data<a class="headerlink" href="#updating-data" title="Link 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>
@@ -619,7 +524,7 @@ <h2>Updating data<a class="headerlink" href="#updating-data" title="Permalink to
 <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="Permalink to this heading">¶</a></h2>
+<h2>Deleting data<a class="headerlink" href="#deleting-data" title="Link 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>
@@ -641,7 +546,7 @@ <h2>Deleting data<a class="headerlink" href="#deleting-data" title="Permalink to
 </div>
 </section>
 <section id="reading-data">
-<h2>Reading data<a class="headerlink" href="#reading-data" title="Permalink to this heading">¶</a></h2>
+<h2>Reading data<a class="headerlink" href="#reading-data" title="Link 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>
@@ -656,7 +561,7 @@ <h2>Reading data<a class="headerlink" href="#reading-data" title="Permalink to t
 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="Permalink to this heading">¶</a></h3>
+<h3>Iterating over rows<a class="headerlink" href="#iterating-over-rows" title="Link 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.
@@ -690,7 +595,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Reading rows at once<a class="headerlink" href="#reading-rows-at-once" title="Link 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>.
@@ -724,7 +629,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Selecting data<a class="headerlink" href="#selecting-data" title="Link 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>
@@ -759,7 +664,7 @@ <h2>Selecting data<a class="headerlink" href="#selecting-data" title="Permalink
 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="Permalink to this heading">¶</a></h3>
+<h3>Iterating over selected rows<a class="headerlink" href="#iterating-over-selected-rows" title="Link 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
@@ -772,7 +677,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Reading selected rows at once<a class="headerlink" href="#reading-selected-rows-at-once" title="Link 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>).
@@ -787,7 +692,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Getting the coordinates of selected rows<a class="headerlink" href="#getting-the-coordinates-of-selected-rows" title="Link 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
@@ -797,7 +702,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>A note on table joins<a class="headerlink" href="#a-note-on-table-joins" title="Link 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).
@@ -847,7 +752,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Summary of row selection methods<a class="headerlink" href="#summary-of-row-selection-methods" title="Link to this heading">¶</a></h2>
 <table class="docutils align-default">
 <tbody>
 <tr class="row-odd"><td></td>
@@ -875,11 +780,11 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Sorting the results of a selection<a class="headerlink" href="#sorting-the-results-of-a-selection" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Grouping the results of a selection<a class="headerlink" href="#grouping-the-results-of-a-selection" title="Link 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>
@@ -932,50 +837,33 @@ <h2>Grouping the results of a selection<a class="headerlink" href="#grouping-the
 
 
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diff --git a/cookbook/index.html b/cookbook/index.html
index e5cc868..bc71963 100644
--- a/cookbook/index.html
+++ b/cookbook/index.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>PyTables Cookbook &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
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-  
-
-  
+  <title>PyTables Cookbook &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
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-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
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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>
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     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Hints for SQL users" href="hints_for_sql_users.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
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-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="current reference internal" href="#">Cookbook</a><ul>
@@ -136,75 +83,34 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
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-
-
-
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-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>PyTables Cookbook</li>
-    
-    
+      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">PyTables Cookbook</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/index.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="pytables-cookbook">
-<h1>PyTables Cookbook<a class="headerlink" href="#pytables-cookbook" title="Permalink to this heading">¶</a></h1>
+<h1>PyTables Cookbook<a class="headerlink" href="#pytables-cookbook" title="Link to this heading">¶</a></h1>
 <section id="contents">
-<h2>Contents<a class="headerlink" href="#contents" title="Permalink to this heading">¶</a></h2>
+<h2>Contents<a class="headerlink" href="#contents" title="Link 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>
@@ -222,50 +128,33 @@ <h2>Contents<a class="headerlink" href="#contents" title="Permalink to this head
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="../usersguide/bibliography.html" class="btn btn-neutral float-left" title="Bibliography" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="hints_for_sql_users.html" class="btn btn-neutral float-right" title="Hints for SQL users" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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+  </script> 
 
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\ No newline at end of file
diff --git a/cookbook/inmemory_hdf5_files.html b/cookbook/inmemory_hdf5_files.html
index 94a9309..40dba36 100644
--- a/cookbook/inmemory_hdf5_files.html
+++ b/cookbook/inmemory_hdf5_files.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>In-memory HDF5 files &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>In-memory HDF5 files &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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>
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Threading" href="threading.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -142,81 +89,39 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/inmemory_hdf5_files.rst.txt" rel="nofollow"> View page source</a>
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-        
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   </ul>
-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="in-memory-hdf5-files">
-<h1>In-memory HDF5 files<a class="headerlink" href="#in-memory-hdf5-files" title="Permalink to this heading">¶</a></h1>
+<h1>In-memory HDF5 files<a class="headerlink" href="#in-memory-hdf5-files" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Open an existing file in memory<a class="headerlink" href="#open-an-existing-file-in-memory" title="Link 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
@@ -241,19 +146,19 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Creating a new file in memory<a class="headerlink" href="#creating-a-new-file-in-memory" title="Link 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>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">h5file</span> <span class="o">=</span> <span class="n">tables</span><span class="o">.</span><span class="n">open_file</span><span class="p">(</span><span class="s2">&quot;new_sample.h5&quot;</span><span class="p">,</span> <span class="s2">&quot;w&quot;</span><span class="p">,</span> <span class="n">driver</span><span class="o">=</span><span class="s2">&quot;H5FD_CORE&quot;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">numpy</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">a</span> <span class="o">=</span> <span class="n">h5file</span><span class="o">.</span><span class="n">create_array</span><span class="p">(</span><span class="n">h5file</span><span class="o">.</span><span class="n">root</span><span class="p">,</span> <span class="s2">&quot;array&quot;</span><span class="p">,</span> <span class="n">numpy</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="mi">300</span><span class="p">,</span> <span class="mi">300</span><span class="p">)))</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">a</span> <span class="o">=</span> <span class="n">h5file</span><span class="o">.</span><span class="n">create_array</span><span class="p">(</span><span class="n">h5file</span><span class="o">.</span><span class="n">root</span><span class="p">,</span> <span class="s2">&quot;array&quot;</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="mi">300</span><span class="p">,</span> <span class="mi">300</span><span class="p">)))</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>
 </pre></div>
 </div>
 </section>
 <section id="backing-store">
-<h2>Backing store<a class="headerlink" href="#backing-store" title="Permalink to this heading">¶</a></h2>
+<h2>Backing store<a class="headerlink" href="#backing-store" title="Link 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>
@@ -288,7 +193,7 @@ <h2>Backing store<a class="headerlink" href="#backing-store" title="Permalink to
 <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="Permalink to this heading">¶</a></h2>
+<h2>Memory images of HDF5 files<a class="headerlink" href="#memory-images-of-hdf5-files" title="Link 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>
@@ -340,50 +245,33 @@ <h2>Memory images of HDF5 files<a class="headerlink" href="#memory-images-of-hdf
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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diff --git a/cookbook/no_root_install.html b/cookbook/no_root_install.html
index 0e94c35..cab6514 100644
--- a/cookbook/no_root_install.html
+++ b/cookbook/no_root_install.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Installing PyTables when you’re not root &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Installing PyTables when you’re not root &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Tailoring atexit hooks" href="tailoring_atexit_hooks.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -144,75 +91,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
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         <div class="rst-content">
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-
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
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-          
             <a href="../_sources/cookbook/no_root_install.rst.txt" rel="nofollow"> View page source</a>
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-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -226,7 +131,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Installing HDF5<a class="headerlink" href="#installing-hdf5" title="Link to this heading">¶</a></h2>
 <ul>
 <li><p>First go to or make a temporary folder where we can download and compile
 software.
@@ -268,7 +173,7 @@ <h2>Installing HDF5<a class="headerlink" href="#installing-hdf5" title="Permalin
 </ul>
 </section>
 <section id="installing-numpy">
-<h2>Installing NumPy<a class="headerlink" href="#installing-numpy" title="Permalink to this heading">¶</a></h2>
+<h2>Installing NumPy<a class="headerlink" href="#installing-numpy" title="Link 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>
@@ -290,7 +195,7 @@ <h2>Installing NumPy<a class="headerlink" href="#installing-numpy" title="Permal
 </ul>
 </section>
 <section id="python-wrapper-script">
-<h2>Python wrapper script<a class="headerlink" href="#python-wrapper-script" title="Permalink to this heading">¶</a></h2>
+<h2>Python wrapper script<a class="headerlink" href="#python-wrapper-script" title="Link 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.
@@ -339,7 +244,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Installing PyTables<a class="headerlink" href="#installing-pytables" title="Link 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>
@@ -361,7 +266,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Running Python with PyTables support<a class="headerlink" href="#running-python-with-pytables-support" title="Link 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>
@@ -378,7 +283,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Concluding remarks<a class="headerlink" href="#concluding-remarks" title="Link 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>
@@ -400,50 +305,33 @@ <h2>Concluding remarks<a class="headerlink" href="#concluding-remarks" title="Pe
 
 
            </div>
-           
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/cookbook/py2exe_howto.html b/cookbook/py2exe_howto.html
index a47125b..ab31b73 100644
--- a/cookbook/py2exe_howto.html
+++ b/cookbook/py2exe_howto.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>How to integrate PyTables in your application by using py2exe &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
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-  
-
-  
-  
-
-  
-
-  
+  <title>How to integrate PyTables in your application by using py2exe &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
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-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Installing PyTables when you’re not root" href="no_root_install.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
-            
-              
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-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -136,75 +83,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/py2exe_howto.rst.txt" rel="nofollow"> View page source</a>
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-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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.
@@ -314,50 +219,33 @@ <h1>How to integrate PyTables in your application by using py2exe<a class="heade
 
 
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-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="no_root_install.html" class="btn btn-neutral float-right" title="Installing PyTables when you’re not root" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/cookbook/simple_table.html b/cookbook/simple_table.html
index 178608e..f5f8160 100644
--- a/cookbook/simple_table.html
+++ b/cookbook/simple_table.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>SimpleTable: simple wrapper around the Table object &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
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-  
-
-  
+  <title>SimpleTable: simple wrapper around the Table object &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
+        <script src="../_static/doctools.js?v=888ff710"></script>
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     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="In-memory HDF5 files" href="inmemory_hdf5_files.html" />
@@ -61,55 +34,29 @@
 
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+<body class="wy-body-for-nav"> 
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
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-            
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-                3.8.1.dev0
+                3.9.0
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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   </form>
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               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -136,75 +83,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
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-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/simple_table.rst.txt" rel="nofollow"> View page source</a>
-          
-        
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-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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
@@ -331,50 +236,33 @@ <h1>SimpleTable: simple wrapper around the Table object<a class="headerlink" hre
 
 
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="inmemory_hdf5_files.html" class="btn btn-neutral float-right" title="In-memory HDF5 files" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
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-    <p>
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/cookbook/tailoring_atexit_hooks.html b/cookbook/tailoring_atexit_hooks.html
index 65dcc82..06c7e2e 100644
--- a/cookbook/tailoring_atexit_hooks.html
+++ b/cookbook/tailoring_atexit_hooks.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Tailoring atexit hooks &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Tailoring atexit hooks &mdash; PyTables 3.9.0 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" />
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Using your own custom data types" href="custom_data_types.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
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-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -136,75 +83,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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-      
-      <nav class="wy-nav-top" aria-label="top navigation">
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/tailoring_atexit_hooks.rst.txt" rel="nofollow"> View page source</a>
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-
-  
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="tailoring-atexit-hooks">
-<h1>Tailoring <cite>atexit</cite> hooks<a class="headerlink" href="#tailoring-atexit-hooks" title="Permalink to this heading">¶</a></h1>
+<h1>Tailoring <cite>atexit</cite> hooks<a class="headerlink" href="#tailoring-atexit-hooks" title="Link 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>
@@ -260,50 +165,33 @@ <h1>Tailoring <cite>atexit</cite> hooks<a class="headerlink" href="#tailoring-at
 
 
            </div>
-           
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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-    
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/cookbook/threading.html b/cookbook/threading.html
index 81ef4c6..a5f0ada 100644
--- a/cookbook/threading.html
+++ b/cookbook/threading.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Threading &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
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-  
-
-  
+  <title>Threading &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+        <script src="../_static/doctools.js?v=888ff710"></script>
+        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+    <script src="../_static/js/theme.js"></script>
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@@ -61,55 +34,29 @@
 
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-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1 current"><a class="reference internal" href="index.html">Cookbook</a><ul class="current">
@@ -142,77 +89,35 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
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-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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           <a href="../index.html">PyTables</a>
-        
       </nav>
 
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         <div class="rst-content">
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-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/cookbook/threading.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="threading">
-<h1>Threading<a class="headerlink" href="#threading" title="Permalink to this heading">¶</a></h1>
+<h1>Threading<a class="headerlink" href="#threading" title="Link to this heading">¶</a></h1>
 <section id="background">
-<h2>Background<a class="headerlink" href="#background" title="Permalink to this heading">¶</a></h2>
+<h2>Background<a class="headerlink" href="#background" title="Link 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>
@@ -232,7 +137,7 @@ <h2>Background<a class="headerlink" href="#background" title="Permalink to this
 </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="Permalink to this heading">¶</a></h2>
+<h2>A common schema for concurrency<a class="headerlink" href="#a-common-schema-for-concurrency" title="Link 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
@@ -250,7 +155,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Very simple solution<a class="headerlink" href="#very-simple-solution" title="Link 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>
@@ -382,7 +287,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Monkey-patching PyTables<a class="headerlink" href="#monkey-patching-pytables" title="Link 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
@@ -463,50 +368,33 @@ <h2>Monkey-patching PyTables<a class="headerlink" href="#monkey-patching-pytable
 
 
            </div>
-           
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="../FAQ.html" class="btn btn-neutral float-right" title="FAQ" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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+  </script> 
 
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diff --git a/dev_team.html b/dev_team.html
index f1c11c4..b8e640e 100644
--- a/dev_team.html
+++ b/dev_team.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>PyTables Governance Team &mdash; PyTables 3.8.1.dev0 documentation</title>
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-  
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-  
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+  <title>PyTables Governance Team &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
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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 src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
     <link rel="prev" title="PyTables Development" href="development.html" />
@@ -60,55 +33,29 @@
 
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+<body class="wy-body-for-nav"> 
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="index.html">
-          
-
           
+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -122,73 +69,32 @@
 <li class="toctree-l1 current"><a class="current reference internal" href="#">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
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-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="index.html">PyTables</a>
-        
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>PyTables Governance Team</li>
-    
-    
+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">PyTables Governance Team</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
             <a href="_sources/dev_team.rst.txt" rel="nofollow"> View page source</a>
-          
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       </li>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="pytables-governance-team">
-<h1>PyTables Governance Team<a class="headerlink" href="#pytables-governance-team" title="Permalink to this heading">¶</a></h1>
+<h1>PyTables Governance Team<a class="headerlink" href="#pytables-governance-team" title="Link to this heading">¶</a></h1>
 <p>The PyTables team includes:</p>
 <ul class="simple">
 <li><p>Francesc Alted</p></li>
@@ -208,49 +114,32 @@ <h1>PyTables Governance Team<a class="headerlink" href="#pytables-governance-tea
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/development.html b/development.html
index ec82ab6..ceaae5d 100644
--- a/development.html
+++ b/development.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+  <title>PyTables Development &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="_static/js/html5shiv.min.js"></script>
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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 src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
     <link rel="next" title="PyTables Governance Team" href="dev_team.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="index.html">
-          
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+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-            
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -123,73 +70,32 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
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-      
-      <nav class="wy-nav-top" aria-label="top navigation">
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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           <a href="index.html">PyTables</a>
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       </nav>
 
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-
-
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-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>PyTables Development</li>
-    
-    
+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">PyTables Development</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
             <a href="_sources/development.rst.txt" rel="nofollow"> View page source</a>
-          
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       </li>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="pytables-development">
-<h1>PyTables Development<a class="headerlink" href="#pytables-development" title="Permalink to this heading">¶</a></h1>
+<h1>PyTables Development<a class="headerlink" href="#pytables-development" title="Link 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>
@@ -220,50 +126,33 @@ <h1>PyTables Development<a class="headerlink" href="#pytables-development" title
 
 
            </div>
-           
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="project_pointers.html" class="btn btn-neutral float-left" title="Project pointers" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="dev_team.html" class="btn btn-neutral float-right" title="PyTables Governance Team" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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 </html>
\ No newline at end of file
diff --git a/downloads.html b/downloads.html
index 7315617..ff68062 100644
--- a/downloads.html
+++ b/downloads.html
@@ -1,48 +1,21 @@
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-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+  <title>Downloads &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
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     <link rel="next" title="PyTables Release Notes" href="release_notes.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
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-          
-
           
+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -127,75 +74,34 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>Downloads</li>
-    
-    
+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">Downloads</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
             <a href="_sources/downloads.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="downloads">
-<h1>Downloads<a class="headerlink" href="#downloads" title="Permalink to this heading">¶</a></h1>
+<h1>Downloads<a class="headerlink" href="#downloads" title="Link to this heading">¶</a></h1>
 <section id="stable-versions">
-<h2>Stable Versions<a class="headerlink" href="#stable-versions" title="Permalink to this heading">¶</a></h2>
+<h2>Stable Versions<a class="headerlink" href="#stable-versions" title="Link 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
@@ -221,7 +127,7 @@ <h2>Stable Versions<a class="headerlink" href="#stable-versions" title="Permalin
 </div>
 </section>
 <section id="bleeding-edge-versions">
-<h2>Bleeding Edge Versions<a class="headerlink" href="#bleeding-edge-versions" title="Permalink to this heading">¶</a></h2>
+<h2>Bleeding Edge Versions<a class="headerlink" href="#bleeding-edge-versions" title="Link 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>
@@ -233,50 +139,33 @@ <h2>Bleeding Edge Versions<a class="headerlink" href="#bleeding-edge-versions" t
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="release_notes.html" class="btn btn-neutral float-right" title="PyTables Release Notes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="MIGRATING_TO_3.x.html" class="btn btn-neutral float-left" title="Migrating from PyTables 2.x to 3.x" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="release_notes.html" class="btn btn-neutral float-right" title="PyTables Release Notes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/genindex.html b/genindex.html
index fce39f4..78edbe3 100644
--- a/genindex.html
+++ b/genindex.html
@@ -1,47 +1,20 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
   <meta charset="utf-8" />
-  
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Index &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Index &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="_static/js/theme.js"></script>
-
-    
+        <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 src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="#" />
     <link rel="search" title="Search" href="search.html" />
  
@@ -58,55 +31,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -120,69 +67,29 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>Index</li>
-    
-    
+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">Index</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
 
 <h1 id="index">Index</h1>
 
@@ -401,6 +308,8 @@ <h2 id="_">_</h2>
 </li>
       </ul></li>
       <li><a href="usersguide/libref/hierarchy_classes.html#tables.Group._v_children">_v_children (tables.Group attribute)</a>
+</li>
+      <li><a href="usersguide/libref/declarative_classes.html#tables.Col._v_col_attrs">_v_col_attrs (tables.Col attribute)</a>
 </li>
       <li><a href="usersguide/libref/structured_storage.html#tables.Cols._v_colnames">_v_colnames (tables.Cols attribute)</a>
 </li>
@@ -522,9 +431,11 @@ <h2 id="A">A</h2>
       </ul></li>
       <li><a href="usersguide/libref/declarative_classes.html#tables.attributeset.AttributeSet">AttributeSet (class in tables.attributeset)</a>
 </li>
-      <li><a href="usersguide/libref/hierarchy_classes.html#tables.Leaf.attrs">attrs (tables.Leaf attribute)</a>
+      <li><a href="usersguide/libref/structured_storage.html#tables.Column.attrs">attrs (tables.Column attribute)</a>
 
       <ul>
+        <li><a href="usersguide/libref/hierarchy_classes.html#tables.Leaf.attrs">(tables.Leaf attribute)</a>
+</li>
         <li><a href="usersguide/libref/filenode_classes.html#tables.nodes.filenode.RAFileNode.attrs">(tables.nodes.filenode.RAFileNode attribute)</a>
 </li>
         <li><a href="usersguide/libref/filenode_classes.html#tables.nodes.filenode.ROFileNode.attrs">(tables.nodes.filenode.ROFileNode attribute)</a>
@@ -540,16 +451,18 @@ <h2 id="B">B</h2>
   <td style="width: 33%; vertical-align: top;"><ul>
       <li><a href="usersguide/libref/helper_classes.html#tables.Filters.bitshuffle">bitshuffle (tables.Filters attribute)</a>
 </li>
-      <li><a href="usersguide/installation.html#index-0">BLOSC_DIR</a>, <a href="usersguide/installation.html#index-11">[1]</a>, <a href="usersguide/installation.html#index-15">[2]</a>, <a href="usersguide/installation.html#index-4">[3]</a>
+      <li><a href="usersguide/installation.html#index-10">BLOSC2_DIR</a>, <a href="usersguide/installation.html#index-18">[1]</a>, <a href="usersguide/installation.html#index-5">[2]</a>
+</li>
+      <li><a href="usersguide/installation.html#index-0">BLOSC_DIR</a>, <a href="usersguide/installation.html#index-17">[1]</a>, <a href="usersguide/installation.html#index-22">[2]</a>, <a href="usersguide/installation.html#index-4">[3]</a>, <a href="usersguide/installation.html#index-9">[4]</a>
 </li>
       <li><a href="usersguide/libref/declarative_classes.html#tables.BoolAtom">BoolAtom (class in tables)</a>
 </li>
       <li><a href="usersguide/libref/declarative_classes.html#tables.BoolCol">BoolCol (class in tables)</a>
-</li>
-      <li><a href="usersguide/parameter_files.html#tables.parameters.BOUNDS_MAX_SIZE">BOUNDS_MAX_SIZE (in module tables.parameters)</a>
 </li>
   </ul></td>
   <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="usersguide/parameter_files.html#tables.parameters.BOUNDS_MAX_SIZE">BOUNDS_MAX_SIZE (in module tables.parameters)</a>
+</li>
       <li><a href="usersguide/parameter_files.html#tables.parameters.BOUNDS_MAX_SLOTS">BOUNDS_MAX_SLOTS (in module tables.parameters)</a>
 </li>
       <li><a href="usersguide/parameter_files.html#tables.parameters.BUFFER_TIMES">BUFFER_TIMES (in module tables.parameters)</a>
@@ -560,7 +473,7 @@ <h2 id="B">B</h2>
         <li><a href="usersguide/libref/helper_classes.html#tables.UnImplemented.byteorder">(tables.UnImplemented attribute)</a>
 </li>
       </ul></li>
-      <li><a href="usersguide/installation.html#index-10">BZIP2_DIR</a>, <a href="usersguide/installation.html#index-14">[1]</a>, <a href="usersguide/installation.html#index-3">[2]</a>
+      <li><a href="usersguide/installation.html#index-16">BZIP2_DIR</a>, <a href="usersguide/installation.html#index-21">[1]</a>, <a href="usersguide/installation.html#index-3">[2]</a>, <a href="usersguide/installation.html#index-8">[3]</a>
 </li>
   </ul></td>
 </tr></table>
@@ -768,25 +681,27 @@ <h2 id="E">E</h2>
     environment variable
 
       <ul>
-        <li><a href="usersguide/installation.html#index-0">BLOSC_DIR</a>, <a href="usersguide/installation.html#index-11">[1]</a>, <a href="usersguide/installation.html#index-15">[2]</a>, <a href="usersguide/installation.html#index-4">[3]</a>
+        <li><a href="usersguide/installation.html#index-10">BLOSC2_DIR</a>, <a href="usersguide/installation.html#index-18">[1]</a>, <a href="usersguide/installation.html#index-5">[2]</a>
 </li>
-        <li><a href="usersguide/installation.html#index-10">BZIP2_DIR</a>, <a href="usersguide/installation.html#index-14">[1]</a>, <a href="usersguide/installation.html#index-3">[2]</a>
+        <li><a href="usersguide/installation.html#index-0">BLOSC_DIR</a>, <a href="usersguide/installation.html#index-17">[1]</a>, <a href="usersguide/installation.html#index-22">[2]</a>, <a href="usersguide/installation.html#index-4">[3]</a>, <a href="usersguide/installation.html#index-9">[4]</a>
 </li>
-        <li><a href="usersguide/installation.html#index-1">HDF5_DIR</a>, <a href="usersguide/installation.html#index-12">[1]</a>, <a href="usersguide/installation.html#index-8">[2]</a>
+        <li><a href="usersguide/installation.html#index-16">BZIP2_DIR</a>, <a href="usersguide/installation.html#index-21">[1]</a>, <a href="usersguide/installation.html#index-3">[2]</a>, <a href="usersguide/installation.html#index-8">[3]</a>
 </li>
-        <li><a href="usersguide/installation.html#index-5">LD_LIBRARY_PATH</a>
+        <li><a href="usersguide/installation.html#index-1">HDF5_DIR</a>, <a href="usersguide/installation.html#index-14">[1]</a>, <a href="usersguide/installation.html#index-19">[2]</a>, <a href="usersguide/installation.html#index-6">[3]</a>
 </li>
-        <li><a href="usersguide/installation.html#index-6">LIBS</a>
+        <li><a href="usersguide/installation.html#index-11">LD_LIBRARY_PATH</a>
 </li>
-        <li><a href="usersguide/installation.html#index-13">LZO_DIR</a>, <a href="usersguide/installation.html#index-2">[1]</a>, <a href="usersguide/installation.html#index-9">[2]</a>
+        <li><a href="usersguide/installation.html#index-12">LIBS</a>
 </li>
-        <li><a href="FAQ.html#index-0">PATH</a>, <a href="usersguide/installation.html#index-18">[1]</a>
+        <li><a href="usersguide/installation.html#index-15">LZO_DIR</a>, <a href="usersguide/installation.html#index-2">[1]</a>, <a href="usersguide/installation.html#index-20">[2]</a>, <a href="usersguide/installation.html#index-7">[3]</a>
+</li>
+        <li><a href="FAQ.html#index-0">PATH</a>, <a href="usersguide/installation.html#index-25">[1]</a>
 </li>
         <li><a href="usersguide/libref/helper_classes.html#index-0">PT_DEFAULT_H5_BACKTRACE_POLICY</a>
 </li>
-        <li><a href="usersguide/installation.html#index-16">PYTHONPATH</a>, <a href="usersguide/installation.html#index-17">[1]</a>, <a href="usersguide/installation.html#index-19">[2]</a>
+        <li><a href="usersguide/installation.html#index-23">PYTHONPATH</a>, <a href="usersguide/installation.html#index-24">[1]</a>, <a href="usersguide/installation.html#index-26">[2]</a>
 </li>
-        <li><a href="usersguide/installation.html#index-7">USE-PKGCONFIG</a>
+        <li><a href="usersguide/installation.html#index-13">USE-PKGCONFIG</a>
 </li>
       </ul></li>
   </ul></td>
@@ -955,7 +870,7 @@ <h2 id="H">H</h2>
   <td style="width: 33%; vertical-align: top;"><ul>
       <li><a href="usersguide/libref/helper_classes.html#tables.HDF5ExtError.h5backtrace">h5backtrace (tables.HDF5ExtError attribute)</a>
 </li>
-      <li><a href="usersguide/installation.html#index-1">HDF5_DIR</a>, <a href="usersguide/installation.html#index-12">[1]</a>, <a href="usersguide/installation.html#index-8">[2]</a>
+      <li><a href="usersguide/installation.html#index-1">HDF5_DIR</a>, <a href="usersguide/installation.html#index-14">[1]</a>, <a href="usersguide/installation.html#index-19">[2]</a>, <a href="usersguide/installation.html#index-6">[3]</a>
 </li>
   </ul></td>
   <td style="width: 33%; vertical-align: top;"><ul>
@@ -1065,11 +980,11 @@ <h2 id="K">K</h2>
 <h2 id="L">L</h2>
 <table style="width: 100%" class="indextable genindextable"><tr>
   <td style="width: 33%; vertical-align: top;"><ul>
-      <li><a href="usersguide/installation.html#index-5">LD_LIBRARY_PATH</a>
+      <li><a href="usersguide/installation.html#index-11">LD_LIBRARY_PATH</a>
 </li>
       <li><a href="usersguide/libref/hierarchy_classes.html#tables.Leaf">Leaf (class in tables)</a>
 </li>
-      <li><a href="usersguide/installation.html#index-6">LIBS</a>
+      <li><a href="usersguide/installation.html#index-12">LIBS</a>
 </li>
       <li><a href="usersguide/parameter_files.html#tables.parameters.LIMBOUNDS_MAX_SIZE">LIMBOUNDS_MAX_SIZE (in module tables.parameters)</a>
 </li>
@@ -1083,7 +998,7 @@ <h2 id="L">L</h2>
 </li>
       <li><a href="usersguide/parameter_files.html#tables.parameters.LOWEST_HIT_RATIO">LOWEST_HIT_RATIO (in module tables.parameters)</a>
 </li>
-      <li><a href="usersguide/installation.html#index-13">LZO_DIR</a>, <a href="usersguide/installation.html#index-2">[1]</a>, <a href="usersguide/installation.html#index-9">[2]</a>
+      <li><a href="usersguide/installation.html#index-15">LZO_DIR</a>, <a href="usersguide/installation.html#index-2">[1]</a>, <a href="usersguide/installation.html#index-20">[2]</a>, <a href="usersguide/installation.html#index-7">[3]</a>
 </li>
   </ul></td>
 </tr></table>
@@ -1242,7 +1157,7 @@ <h2 id="O">O</h2>
 <h2 id="P">P</h2>
 <table style="width: 100%" class="indextable genindextable"><tr>
   <td style="width: 33%; vertical-align: top;"><ul>
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@@ -1629,46 +1544,30 @@ <h2 id="W">W</h2>
 
 
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-           
           </div>
           <footer>
 
   <hr/>
 
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-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/index.html b/index.html
index c02df49..f43c3e9 100644
--- a/index.html
+++ b/index.html
@@ -1,48 +1,21 @@
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+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+  <title>Welcome to PyTables’ documentation! &mdash; PyTables 3.9.0 documentation</title>
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@@ -60,55 +33,29 @@
 
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+<body class="wy-body-for-nav"> 
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+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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-
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-            
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-                3.8.1.dev0
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   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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@@ -122,73 +69,32 @@
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 </ul>
 
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+          <div role="navigation" aria-label="Page navigation">
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-      <li><a href="#" class="icon icon-home"></a> &raquo;</li>
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-      <li>Welcome to PyTables’ documentation!</li>
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+      <li><a href="#" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">Welcome to PyTables’ documentation!</li>
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           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
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+             
   <section id="welcome-to-pytables-documentation">
-<h1>Welcome to PyTables’ documentation!<a class="headerlink" href="#welcome-to-pytables-documentation" title="Permalink to this heading">¶</a></h1>
+<h1>Welcome to PyTables’ documentation!<a class="headerlink" href="#welcome-to-pytables-documentation" title="Link 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,
@@ -212,7 +118,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Contents<a class="headerlink" href="#contents" title="Link 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>
@@ -230,7 +136,7 @@ <h2>Contents<a class="headerlink" href="#contents" title="Permalink to this head
 </section>
 </section>
 <section id="helpful-links">
-<h1>Helpful Links<a class="headerlink" href="#helpful-links" title="Permalink to this heading">¶</a></h1>
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@@ -239,49 +145,32 @@ <h1>Helpful Links<a class="headerlink" href="#helpful-links" title="Permalink to
 
 
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     </div>
 
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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 </html>
\ No newline at end of file
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diff --git a/other_material.html b/other_material.html
index 89babe7..eed9c52 100644
--- a/other_material.html
+++ b/other_material.html
@@ -1,48 +1,21 @@
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 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
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-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Other Material &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="_static/graphviz.css" type="text/css" />
-
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+  <title>Other Material &mdash; PyTables 3.9.0 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" />
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+    <script src="_static/js/theme.js"></script>
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@@ -61,55 +34,29 @@
 
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-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
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+          <a href="index.html">
             
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+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
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-                3.8.1.dev0
+                3.9.0
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   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
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 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -129,75 +76,34 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
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+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">Other Material</li>
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           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="other-material">
-<h1>Other Material<a class="headerlink" href="#other-material" title="Permalink to this heading">¶</a></h1>
+<h1>Other Material<a class="headerlink" href="#other-material" title="Link to this heading">¶</a></h1>
 <section id="videos">
-<h2>Videos<a class="headerlink" href="#videos" title="Permalink to this heading">¶</a></h2>
+<h2>Videos<a class="headerlink" href="#videos" title="Link 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>
@@ -207,7 +113,7 @@ <h2>Videos<a class="headerlink" href="#videos" title="Permalink to this heading"
 </ul>
 </section>
 <section id="presentations">
-<h2>Presentations<a class="headerlink" href="#presentations" title="Permalink to this heading">¶</a></h2>
+<h2>Presentations<a class="headerlink" href="#presentations" title="Link to this heading">¶</a></h2>
 <p>Here are the slides of some presentations about PyTables that you may find
 useful:</p>
 <ul class="simple">
@@ -252,7 +158,7 @@ <h2>Presentations<a class="headerlink" href="#presentations" title="Permalink to
 </ul>
 </section>
 <section id="reports">
-<h2>Reports<a class="headerlink" href="#reports" title="Permalink to this heading">¶</a></h2>
+<h2>Reports<a class="headerlink" href="#reports" title="Link 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>
@@ -265,7 +171,7 @@ <h2>Reports<a class="headerlink" href="#reports" title="Permalink to this headin
 </ul>
 </section>
 <section id="other-sources-for-examples">
-<h2>Other sources for examples<a class="headerlink" href="#other-sources-for-examples" title="Permalink to this heading">¶</a></h2>
+<h2>Other sources for examples<a class="headerlink" href="#other-sources-for-examples" title="Link 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
@@ -275,50 +181,33 @@ <h2>Other sources for examples<a class="headerlink" href="#other-sources-for-exa
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="MIGRATING_TO_3.x.html" class="btn btn-neutral float-right" title="Migrating from PyTables 2.x to 3.x" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="FAQ.html" class="btn btn-neutral float-left" title="FAQ" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="MIGRATING_TO_3.x.html" class="btn btn-neutral float-right" title="Migrating from PyTables 2.x to 3.x" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/project_pointers.html b/project_pointers.html
index f6de189..c7f21f9 100644
--- a/project_pointers.html
+++ b/project_pointers.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
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-  
-
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-  <link rel="stylesheet" href="_static/graphviz.css" type="text/css" />
-
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-  
-
-  
-  
-
-  
-
-  
+  <title>Project pointers &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script>
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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 src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
     <link rel="next" title="PyTables Development" href="development.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
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+<body class="wy-body-for-nav"> 
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="index.html">
-          
-
           
+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-            
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
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-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -123,73 +70,32 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="index.html">PyTables</a>
-        
       </nav>
 
-
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-        
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-        
-          
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-
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-
-
-
-
-
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>Project pointers</li>
-    
-    
+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">Project pointers</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
             <a href="_sources/project_pointers.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="project-pointers">
-<h1>Project pointers<a class="headerlink" href="#project-pointers" title="Permalink to this heading">¶</a></h1>
+<h1>Project pointers<a class="headerlink" href="#project-pointers" title="Link 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>
@@ -214,50 +120,33 @@ <h1>Project pointers<a class="headerlink" href="#project-pointers" title="Permal
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="development.html" class="btn btn-neutral float-right" title="PyTables Development" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="release-notes/RELEASE_NOTES_v2.0.x-pro.html" class="btn btn-neutral float-left" title="Release notes for PyTables Pro 2.0 series" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="development.html" class="btn btn-neutral float-right" title="PyTables Development" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/py-modindex.html b/py-modindex.html
index 1cc6563..490fb6e 100644
--- a/py-modindex.html
+++ b/py-modindex.html
@@ -1,47 +1,20 @@
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-
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   <meta charset="utf-8" />
-  
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-  
-  
-
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+  <title>Python Module Index &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="_static/js/html5shiv.min.js"></script>
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-        <script src="_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="_static/js/theme.js"></script>
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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 src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
 
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -123,67 +70,29 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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           <a href="index.html">PyTables</a>
-        
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-
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-        
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-
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-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
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-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>Python Module Index</li>
-    
-    
+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">Python Module Index</li>
       <li class="wy-breadcrumbs-aside">
-        
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-    
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-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
 
    <h1>Python Module Index</h1>
 
@@ -210,46 +119,30 @@ <h1>Python Module Index</h1>
 
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v0.7.1.html b/release-notes/RELEASE_NOTES_v0.7.1.html
index ae7cba2..6cd8f9b 100644
--- a/release-notes/RELEASE_NOTES_v0.7.1.html
+++ b/release-notes/RELEASE_NOTES_v0.7.1.html
@@ -1,48 +1,21 @@
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-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  
-  
-
-  
-  
-
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+  <title>PyTables 0.7.1 is out! &mdash; PyTables 3.9.0 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" />
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     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Release notes for PyTables 2.2 series" href="RELEASE_NOTES_v2.2.x-pro.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-            
-          
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
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@@ -120,8 +67,9 @@
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-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
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@@ -163,75 +111,33 @@
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 </ul>
 
-            
-          
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-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
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-
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-        
         <div class="rst-content">
-        
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-
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-
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-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.7.1.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink to this heading">¶</a></h1>
+<h1>PyTables 0.7.1 is out!<a class="headerlink" href="#pytables-0-7-1-is-out" title="Link to this heading">¶</a></h1>
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@@ -263,50 +169,33 @@ <h1>PyTables 0.7.1 is out!<a class="headerlink" href="#pytables-0-7-1-is-out" ti
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v2.2.x-pro.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.2 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v0.7.2.html" class="btn btn-neutral float-left" title="What’s new in PyTables 0.7.2" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v2.2.x-pro.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.2 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
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-  
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+  <script>
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           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v0.7.2.html b/release-notes/RELEASE_NOTES_v0.7.2.html
index 02b06e7..3403e7b 100644
--- a/release-notes/RELEASE_NOTES_v0.7.2.html
+++ b/release-notes/RELEASE_NOTES_v0.7.2.html
@@ -1,48 +1,21 @@
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-  <meta charset="utf-8" />
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+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  
-  
-
-  
-  
-
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-
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+  <title>What’s new in PyTables 0.7.2 &mdash; PyTables 3.9.0 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" />
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="PyTables 0.7.1 is out!" href="RELEASE_NOTES_v0.7.1.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
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@@ -120,8 +67,9 @@
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 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -163,75 +111,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.7.2.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link to this heading">¶</a></h1>
 <p>This is a mainly a maintenance release, where the next issues has
 been addressed:</p>
 <ul class="simple">
@@ -262,50 +168,33 @@ <h1>What’s new in PyTables 0.7.2<a class="headerlink" href="#what-s-new-in-pyt
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v0.8.html" class="btn btn-neutral float-left" title="What’s new in PyTables 0.8" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v0.7.1.html" class="btn btn-neutral float-right" title="PyTables 0.7.1 is out!" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
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-  
-
-  <script type="text/javascript">
+  <script>
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           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
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-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v0.8.html b/release-notes/RELEASE_NOTES_v0.8.html
index d804720..b2005d5 100644
--- a/release-notes/RELEASE_NOTES_v0.8.html
+++ b/release-notes/RELEASE_NOTES_v0.8.html
@@ -1,48 +1,21 @@
-
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 <html class="writer-html5" lang="en" >
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-  <meta charset="utf-8" />
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+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  
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-  
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-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 0.8 &mdash; PyTables 3.9.0 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" />
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   <![endif]-->
   
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 0.7.2" href="RELEASE_NOTES_v0.7.2.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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-   
+<body class="wy-body-for-nav"> 
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-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
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@@ -120,8 +67,9 @@
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 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
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@@ -163,75 +111,33 @@
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 </ul>
 
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-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
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-
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-
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-
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+          <div role="navigation" aria-label="Page navigation">
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-      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
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-          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
-        
-      <li>What’s new in PyTables 0.8</li>
-    
-    
+      <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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.8.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link to this heading">¶</a></h1>
 <p>On this release, many enhancements has been added and some bugs has
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@@ -367,50 +273,33 @@ <h1>What’s new in PyTables 0.8<a class="headerlink" href="#what-s-new-in-pytab
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v0.7.2.html" class="btn btn-neutral float-right" title="What’s new in PyTables 0.7.2" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v0.9.html" class="btn btn-neutral float-left" title="What’s new in PyTables 0.9" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v0.7.2.html" class="btn btn-neutral float-right" title="What’s new in PyTables 0.7.2" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
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-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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-
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+  <script>
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+  </script> 
 
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\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v0.9.1.html b/release-notes/RELEASE_NOTES_v0.9.1.html
index db936a3..e92b153 100644
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@@ -1,48 +1,21 @@
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+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
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-  
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-  
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+  <title>What’s new in PyTables 0.9.1 &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+    <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 0.9" href="RELEASE_NOTES_v0.9.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
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-          
-            
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+                3.9.0
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   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
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-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
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@@ -163,75 +111,33 @@
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 </ul>
 
-            
-          
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-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-        
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-
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-
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-
-
-
-
-
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
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-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link to this heading">¶</a></h1>
 <p>This release is mainly a maintenance version. In it, some bugs has
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@@ -291,50 +197,33 @@ <h1>What’s new in PyTables 0.9.1<a class="headerlink" href="#what-s-new-in-pyt
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.0.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.0" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v0.9.html" class="btn btn-neutral float-right" title="What’s new in PyTables 0.9" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
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-  <script type="text/javascript">
+  <script>
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+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v0.9.html b/release-notes/RELEASE_NOTES_v0.9.html
index 3c95ef3..603d00b 100644
--- a/release-notes/RELEASE_NOTES_v0.9.html
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@@ -1,48 +1,21 @@
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+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
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-  
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+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+        <script src="../_static/doctools.js?v=888ff710"></script>
+        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
+    <script src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 0.8" href="RELEASE_NOTES_v0.8.html" />
@@ -61,55 +34,29 @@
 
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-<body class="wy-body-for-nav">
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       <div class="wy-side-scroll">
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-            <a href="../index.html">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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-
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+                3.9.0
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
-              
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-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
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 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
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-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -169,82 +117,40 @@
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 </ul>
 
-            
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-        
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     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
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-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v0.9.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h2>
+<h2>New features:<a class="headerlink" href="#new-features" title="Link 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
@@ -287,7 +193,7 @@ <h2>New features:<a class="headerlink" href="#new-features" title="Permalink to
 </ul>
 </section>
 <section id="improvements">
-<h2>Improvements:<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h2>
+<h2>Improvements:<a class="headerlink" href="#improvements" title="Link 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
@@ -302,7 +208,7 @@ <h2>Improvements:<a class="headerlink" href="#improvements" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-api-changes">
-<h2>Backward-incompatible API changes:<a class="headerlink" href="#backward-incompatible-api-changes" title="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible API changes:<a class="headerlink" href="#backward-incompatible-api-changes" title="Link 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
@@ -318,7 +224,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes:<a class="headerlink" href="#bug-fixes" title="Link 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
@@ -346,50 +252,33 @@ <h2>Bug fixes:<a class="headerlink" href="#bug-fixes" title="Permalink to this h
 
 
            </div>
-           
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-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v0.8.html" class="btn btn-neutral float-right" title="What’s new in PyTables 0.8" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/release-notes/RELEASE_NOTES_v1.0.html b/release-notes/RELEASE_NOTES_v1.0.html
index 6698670..c1a35c8 100644
--- a/release-notes/RELEASE_NOTES_v1.0.html
+++ b/release-notes/RELEASE_NOTES_v1.0.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.0 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
-  
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-  
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-  
+  <title>What’s new in PyTables 1.0 &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
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     <link rel="next" title="What’s new in PyTables 0.9.1" href="RELEASE_NOTES_v0.9.1.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -169,75 +117,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-      <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>
-    
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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 1.0</li>
       <li class="wy-breadcrumbs-aside">
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -256,7 +162,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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
@@ -268,7 +174,7 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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
@@ -392,7 +298,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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
@@ -414,7 +320,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link 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>
@@ -429,50 +335,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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   <hr/>
 
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-    <p>
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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-    
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-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v1.1.1.html b/release-notes/RELEASE_NOTES_v1.1.1.html
index 7d8b164..715fd58 100644
--- a/release-notes/RELEASE_NOTES_v1.1.1.html
+++ b/release-notes/RELEASE_NOTES_v1.1.1.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
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+  <title>What’s new in PyTables 1.1.1 &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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@@ -61,55 +34,29 @@
 
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-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -169,75 +117,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
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-
-
-
-
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-
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-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.1.1.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -256,13 +162,13 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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
@@ -273,7 +179,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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>
@@ -281,7 +187,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -295,50 +201,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.2.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.2" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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+  <script>
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+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.1.html b/release-notes/RELEASE_NOTES_v1.1.html
index 682ed26..e3cc827 100644
--- a/release-notes/RELEASE_NOTES_v1.1.html
+++ b/release-notes/RELEASE_NOTES_v1.1.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.1 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.1 &mdash; PyTables 3.9.0 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" />
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-    <script type="text/javascript" src="../_static/js/theme.js"></script>
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.0" href="RELEASE_NOTES_v1.0.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -169,75 +117,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.1.rst.txt" rel="nofollow"> View page source</a>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -256,13 +162,13 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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.
@@ -273,7 +179,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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
@@ -281,7 +187,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>something…</p></li>
 </ul>
@@ -295,50 +201,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v1.0.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.0" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
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\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.2.1.html b/release-notes/RELEASE_NOTES_v1.2.1.html
index 20c7d8d..6dedd8c 100644
--- a/release-notes/RELEASE_NOTES_v1.2.1.html
+++ b/release-notes/RELEASE_NOTES_v1.2.1.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.2.1 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.2.1 &mdash; PyTables 3.9.0 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" />
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     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <script src="../_static/sphinx_highlight.js"></script>
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-    <script type="text/javascript" src="../_static/js/theme.js"></script>
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.2" href="RELEASE_NOTES_v1.2.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
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+<body class="wy-body-for-nav"> 
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.1.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,31 +163,31 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -295,50 +201,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.2.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.2.2.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.2.2" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.2.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
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-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.2.2.html b/release-notes/RELEASE_NOTES_v1.2.2.html
index 053b7c8..b9e1d8d 100644
--- a/release-notes/RELEASE_NOTES_v1.2.2.html
+++ b/release-notes/RELEASE_NOTES_v1.2.2.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.2.2 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.2.2 &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
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-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
-        <script src="../_static/jquery.js"></script>
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.2.1" href="RELEASE_NOTES_v1.2.1.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-        
       </nav>
 
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       <div class="wy-nav-content">
-        
         <div class="rst-content">
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-
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-
-
-
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-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.2.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,31 +163,31 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -295,50 +201,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.2.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.2.3.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.2.3" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.2.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.2.3.html b/release-notes/RELEASE_NOTES_v1.2.3.html
index 0a13bca..636a454 100644
--- a/release-notes/RELEASE_NOTES_v1.2.3.html
+++ b/release-notes/RELEASE_NOTES_v1.2.3.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.2.3 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.2.3 &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.2.2" href="RELEASE_NOTES_v1.2.2.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.3.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,31 +163,31 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -295,50 +201,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.2.2.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2.2" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.3.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.3" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.2.2.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2.2" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.2.html b/release-notes/RELEASE_NOTES_v1.2.html
index 3024c7b..3d3105d 100644
--- a/release-notes/RELEASE_NOTES_v1.2.html
+++ b/release-notes/RELEASE_NOTES_v1.2.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.2 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.2 &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.1.1" href="RELEASE_NOTES_v1.1.1.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-        
       </nav>
 
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-        
         <div class="rst-content">
-        
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-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.2.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,7 +163,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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
@@ -276,7 +182,7 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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
@@ -299,7 +205,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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
@@ -313,14 +219,14 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -334,50 +240,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.1.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.1.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.2.1.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.2.1" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.1.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.1.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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+  <script>
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+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.3.1.html b/release-notes/RELEASE_NOTES_v1.3.1.html
index 5ef3d53..f40cbc2 100644
--- a/release-notes/RELEASE_NOTES_v1.3.1.html
+++ b/release-notes/RELEASE_NOTES_v1.3.1.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.3.1 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.3.1 &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.3" href="RELEASE_NOTES_v1.3.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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           <a href="../index.html">PyTables</a>
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-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.1.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,7 +163,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
 <ul>
 <li><p>The Table.Cols accessor has received a new __setitem__() method that
 allows doing things like:</p>
@@ -270,19 +176,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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
@@ -291,7 +197,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -305,50 +211,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v1.3.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.3" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
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-  
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+  <script>
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\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.3.2.html b/release-notes/RELEASE_NOTES_v1.3.2.html
index 9b723ff..0f39721 100644
--- a/release-notes/RELEASE_NOTES_v1.3.2.html
+++ b/release-notes/RELEASE_NOTES_v1.3.2.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.3.2 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
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-
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+  <title>What’s new in PyTables 1.3.2 &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.3.1" href="RELEASE_NOTES_v1.3.1.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.2.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,7 +163,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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>
@@ -270,19 +176,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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
@@ -291,7 +197,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -305,50 +211,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.3.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.3.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.3.3.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.3.3" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.3.1.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.3.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
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-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.3.3.html b/release-notes/RELEASE_NOTES_v1.3.3.html
index 36c9040..f77be7c 100644
--- a/release-notes/RELEASE_NOTES_v1.3.3.html
+++ b/release-notes/RELEASE_NOTES_v1.3.3.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.3.3 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.3.3 &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.3.2" href="RELEASE_NOTES_v1.3.2.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
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       <div class="wy-nav-content">
-        
         <div class="rst-content">
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-
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-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.3.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,31 +163,31 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -295,50 +201,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.4.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.4" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.3.2.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.3.2" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
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-  
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+  <script>
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           SphinxRtdTheme.Navigation.enable(true);
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-  
-    
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+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.3.html b/release-notes/RELEASE_NOTES_v1.3.html
index 92b7d4f..1c4215c 100644
--- a/release-notes/RELEASE_NOTES_v1.3.html
+++ b/release-notes/RELEASE_NOTES_v1.3.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.3 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.3 &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.2.3" href="RELEASE_NOTES_v1.2.3.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
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-
-
-
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-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v1.3.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,7 +163,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link to this heading">¶</a></h2>
 <ul>
 <li><p>The Table.Cols accessor has received a new __setitem__() method that
 allows doing things like:</p>
@@ -270,19 +176,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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
@@ -291,7 +197,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -305,50 +211,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.2.3.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2.3" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v1.3.1.html" class="btn btn-neutral float-left" title="What’s new in PyTables 1.3.1" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v1.2.3.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.2.3" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
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+  <script>
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+  </script> 
 
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\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v1.4.html b/release-notes/RELEASE_NOTES_v1.4.html
index d18a0f0..4aa82d6 100644
--- a/release-notes/RELEASE_NOTES_v1.4.html
+++ b/release-notes/RELEASE_NOTES_v1.4.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>What’s new in PyTables 1.4 &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>What’s new in PyTables 1.4 &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.3.3" href="RELEASE_NOTES_v1.3.3.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -170,75 +118,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
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-          
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -257,7 +163,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>API additions<a class="headerlink" href="#api-additions" title="Link 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
@@ -270,19 +176,19 @@ <h2>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h2>
+<h2>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>API refinements<a class="headerlink" href="#api-refinements" title="Link 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>
@@ -292,7 +198,7 @@ <h2>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 </ul>
 </section>
 <section id="bug-fixes-affecting-api">
-<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Permalink to this heading">¶</a></h2>
+<h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-api" title="Link to this heading">¶</a></h2>
 <ul class="simple">
 <li><p>None</p></li>
 </ul>
@@ -306,50 +212,33 @@ <h2>Bug fixes (affecting API)<a class="headerlink" href="#bug-fixes-affecting-ap
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v1.3.3.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.3.3" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v1.3.3.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.3.3" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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-
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+  <script>
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-  
-    
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+  </script> 
 
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\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v2.0.x-pro.html b/release-notes/RELEASE_NOTES_v2.0.x-pro.html
index a140c36..862ca2f 100644
--- a/release-notes/RELEASE_NOTES_v2.0.x-pro.html
+++ b/release-notes/RELEASE_NOTES_v2.0.x-pro.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Release notes for PyTables Pro 2.0 series &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Release notes for PyTables Pro 2.0 series &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
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-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
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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 src="../_static/js/theme.js"></script>
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     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Project pointers" href="../project_pointers.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -146,75 +93,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
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     </nav>
 
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-      <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><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 class="wy-breadcrumbs-aside">
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -230,7 +135,7 @@ <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="Permalink 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="Link 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
@@ -249,7 +154,7 @@ <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="Permalink 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="Link 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
@@ -274,14 +179,14 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -307,7 +212,7 @@ <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="Permalink 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="Link 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.
@@ -368,7 +273,7 @@ <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="Permalink 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="Link 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>
@@ -398,7 +303,7 @@ <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="Permalink 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="Link 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
@@ -437,7 +342,7 @@ <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="Permalink 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="Link 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>
@@ -498,7 +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="Permalink 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="Link 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
@@ -533,9 +438,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="api-additions">
-<h3>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h3>
+<h3>API additions<a class="headerlink" href="#api-additions" title="Link 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
@@ -560,7 +465,7 @@ <h3>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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
@@ -587,7 +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="Permalink to this heading">¶</a></h3>
+<h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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>
@@ -604,7 +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="Permalink to this heading">¶</a></h3>
+<h3>API refinements<a class="headerlink" href="#api-refinements" title="Link 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
@@ -627,50 +532,33 @@ <h3>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 
 
            </div>
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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+  <script>
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-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v2.0.x.html b/release-notes/RELEASE_NOTES_v2.0.x.html
index e1c3da2..87e664f 100644
--- a/release-notes/RELEASE_NOTES_v2.0.x.html
+++ b/release-notes/RELEASE_NOTES_v2.0.x.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Release notes for PyTables 2.0 series &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Release notes for PyTables 2.0 series &mdash; PyTables 3.9.0 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" />
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="What’s new in PyTables 1.4" href="RELEASE_NOTES_v1.4.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
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-          
 
           
-            <a href="../index.html">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -174,75 +122,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
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-
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -258,7 +164,7 @@ <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="Permalink 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="Link 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
@@ -277,7 +183,7 @@ <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="Permalink 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="Link 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.
@@ -298,7 +204,7 @@ <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="Permalink 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="Link 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>
@@ -321,7 +227,7 @@ <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="Permalink 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="Link 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.
@@ -382,7 +288,7 @@ <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="Permalink 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="Link 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>
@@ -412,7 +318,7 @@ <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="Permalink 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="Link 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
@@ -451,7 +357,7 @@ <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="Permalink 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="Link 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
@@ -499,7 +405,7 @@ <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="Permalink 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="Link 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
@@ -534,9 +440,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="api-additions">
-<h3>API additions<a class="headerlink" href="#api-additions" title="Permalink to this heading">¶</a></h3>
+<h3>API additions<a class="headerlink" href="#api-additions" title="Link 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
@@ -561,7 +467,7 @@ <h3>API additions<a class="headerlink" href="#api-additions" title="Permalink to
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Backward-incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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
@@ -588,7 +494,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Deprecated features<a class="headerlink" href="#deprecated-features" title="Link 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>
@@ -605,7 +511,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>API refinements<a class="headerlink" href="#api-refinements" title="Link 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
@@ -628,50 +534,33 @@ <h3>API refinements<a class="headerlink" href="#api-refinements" title="Permalin
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v1.4.html" class="btn btn-neutral float-right" title="What’s new in PyTables 1.4" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v2.1.x-pro.html b/release-notes/RELEASE_NOTES_v2.1.x-pro.html
index 525b9b0..1dda4ca 100644
--- a/release-notes/RELEASE_NOTES_v2.1.x-pro.html
+++ b/release-notes/RELEASE_NOTES_v2.1.x-pro.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Release notes for PyTables 2.1 series &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Release notes for PyTables 2.1 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
+        <script src="../_static/doctools.js?v=888ff710"></script>
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     <link rel="next" title="Release notes for PyTables Pro 2.0 series" href="RELEASE_NOTES_v2.0.x-pro.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
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 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -138,75 +85,33 @@
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 </ul>
 
-            
-          
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-      
-      <nav class="wy-nav-top" aria-label="top navigation">
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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           <a href="../index.html">PyTables</a>
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.1.x-pro.rst.txt" rel="nofollow"> View page source</a>
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-
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -216,9 +121,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="bug-fixes">
-<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Permalink to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Link 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>
@@ -237,7 +142,7 @@ <h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Permalink to this he
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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
@@ -256,9 +161,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to
 </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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id1">
-<h3>Bug fixes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#id1" title="Link 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>
@@ -277,7 +182,7 @@ <h3>Bug fixes<a class="headerlink" href="#id1" title="Permalink to this heading"
 </ul>
 </section>
 <section id="id2">
-<h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id2" title="Link 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>
@@ -304,50 +209,33 @@ <h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this head
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v2.0.x-pro.html" class="btn btn-neutral float-right" title="Release notes for PyTables Pro 2.0 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v2.1.x.html b/release-notes/RELEASE_NOTES_v2.1.x.html
index 61e3876..ce5c79e 100644
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@@ -1,48 +1,21 @@
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+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
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-  
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-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
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+  <title>Release notes for PyTables 2.1 series &mdash; PyTables 3.9.0 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" />
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+    <script src="../_static/js/theme.js"></script>
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@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
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-          
 
           
-            <a href="../index.html">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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-          
-
-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -167,75 +115,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -245,9 +151,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="bug-fixes">
-<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Permalink to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Link 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>
@@ -266,7 +172,7 @@ <h3>Bug fixes<a class="headerlink" href="#bug-fixes" title="Permalink to this he
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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
@@ -285,9 +191,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to
 </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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id1">
-<h3>Bug fixes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
+<h3>Bug fixes<a class="headerlink" href="#id1" title="Link 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>
@@ -306,7 +212,7 @@ <h3>Bug fixes<a class="headerlink" href="#id1" title="Permalink to this heading"
 </ul>
 </section>
 <section id="id2">
-<h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id2" title="Link 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>
@@ -333,50 +239,33 @@ <h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this head
 
 
            </div>
-           
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-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v2.0.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.0 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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-    
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/release-notes/RELEASE_NOTES_v2.2.x-pro.html b/release-notes/RELEASE_NOTES_v2.2.x-pro.html
index 2293e62..40f3cd4 100644
--- a/release-notes/RELEASE_NOTES_v2.2.x-pro.html
+++ b/release-notes/RELEASE_NOTES_v2.2.x-pro.html
@@ -1,48 +1,21 @@
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+  <title>Release notes for PyTables 2.2 series &mdash; PyTables 3.9.0 documentation</title>
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@@ -61,55 +34,29 @@
 
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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">Release notes for PyTables 2.2 series</li>
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   <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="Permalink 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="Link 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>
@@ -222,7 +127,7 @@ <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="Permalink 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="Link 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>
@@ -239,7 +144,7 @@ <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="Permalink 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="Link 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
@@ -283,7 +188,7 @@ <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="Permalink 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="Link 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
@@ -306,7 +211,7 @@ <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="Permalink 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="Link 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
@@ -332,7 +237,7 @@ <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="Permalink 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="Link 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
@@ -388,7 +293,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#api-changes" title="Link 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
@@ -397,7 +302,7 @@ <h3>API changes<a class="headerlink" href="#api-changes" title="Permalink to thi
 </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="Permalink 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="Link 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
@@ -417,9 +322,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="enhancements">
-<h3>Enhancements<a class="headerlink" href="#enhancements" title="Permalink to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#enhancements" title="Link 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
@@ -445,7 +350,7 @@ <h3>Enhancements<a class="headerlink" href="#enhancements" title="Permalink to t
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link 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>
@@ -459,7 +364,7 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 </ul>
 </section>
 <section id="id1">
-<h3>API changes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id1" title="Link 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
@@ -490,7 +395,7 @@ <h3>API changes<a class="headerlink" href="#id1" title="Permalink to this headin
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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
@@ -499,9 +404,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to
 </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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id2">
-<h3>Enhancements<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#id2" title="Link 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’)
@@ -530,7 +435,7 @@ <h3>Enhancements<a class="headerlink" href="#id2" title="Permalink to this headi
 </ul>
 </section>
 <section id="id3">
-<h3>Bugs fixed<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed problems when modifying multidimensional columns in Table
 objects.  Closes #228.</p></li>
@@ -542,7 +447,7 @@ <h3>Bugs fixed<a class="headerlink" href="#id3" title="Permalink to this heading
 </ul>
 </section>
 <section id="id4">
-<h3>API changes<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id4" title="Link 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
@@ -569,7 +474,7 @@ <h3>API changes<a class="headerlink" href="#id4" title="Permalink to this headin
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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
@@ -585,50 +490,33 @@ <h3>Backward incompatible changes<a class="headerlink" href="#backward-incompati
 
 
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-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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diff --git a/release-notes/RELEASE_NOTES_v2.2.x.html b/release-notes/RELEASE_NOTES_v2.2.x.html
index 6448168..8c4e9ce 100644
--- a/release-notes/RELEASE_NOTES_v2.2.x.html
+++ b/release-notes/RELEASE_NOTES_v2.2.x.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Release notes for PyTables 2.2 series &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Release notes for PyTables 2.2 series &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
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-
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
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     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Release notes for PyTables 2.1 series" href="RELEASE_NOTES_v2.1.x.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
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-                3.8.1.dev0
+                3.9.0
               </div>
-            
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-
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 <div role="search">
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     <input type="hidden" name="check_keywords" value="yes" />
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   </form>
 </div>
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 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
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 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -173,75 +121,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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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">Release notes for PyTables 2.2 series</li>
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+             
   <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="Permalink 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="Link 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>
@@ -251,7 +157,7 @@ <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="Permalink 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="Link 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>
@@ -268,7 +174,7 @@ <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="Permalink 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="Link 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
@@ -302,7 +208,7 @@ <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="Permalink 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="Link 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
@@ -325,7 +231,7 @@ <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="Permalink 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="Link 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
@@ -351,7 +257,7 @@ <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="Permalink 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="Link 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
@@ -407,7 +313,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#api-changes" title="Link 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
@@ -416,7 +322,7 @@ <h3>API changes<a class="headerlink" href="#api-changes" title="Permalink to thi
 </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="Permalink 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="Link 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
@@ -436,9 +342,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="enhancements">
-<h3>Enhancements<a class="headerlink" href="#enhancements" title="Permalink to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#enhancements" title="Link 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
@@ -461,7 +367,7 @@ <h3>Enhancements<a class="headerlink" href="#enhancements" title="Permalink to t
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link 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>
@@ -475,7 +381,7 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 </ul>
 </section>
 <section id="id1">
-<h3>API changes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id1" title="Link 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
@@ -506,7 +412,7 @@ <h3>API changes<a class="headerlink" href="#id1" title="Permalink to this headin
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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
@@ -515,9 +421,9 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to
 </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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id2">
-<h3>Enhancements<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
+<h3>Enhancements<a class="headerlink" href="#id2" title="Link 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’)
@@ -546,7 +452,7 @@ <h3>Enhancements<a class="headerlink" href="#id2" title="Permalink to this headi
 </ul>
 </section>
 <section id="id3">
-<h3>Bugs fixed<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Fixed problems when modifying multidimensional columns in Table
 objects.  Closes #228.</p></li>
@@ -558,7 +464,7 @@ <h3>Bugs fixed<a class="headerlink" href="#id3" title="Permalink to this heading
 </ul>
 </section>
 <section id="id4">
-<h3>API changes<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#id4" title="Link 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
@@ -585,7 +491,7 @@ <h3>API changes<a class="headerlink" href="#id4" title="Permalink to this headin
 </ul>
 </section>
 <section id="backward-incompatible-changes">
-<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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
@@ -601,50 +507,33 @@ <h3>Backward incompatible changes<a class="headerlink" href="#backward-incompati
 
 
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-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v2.3.x.html b/release-notes/RELEASE_NOTES_v2.3.x.html
index df43ee6..ac426fe 100644
--- a/release-notes/RELEASE_NOTES_v2.3.x.html
+++ b/release-notes/RELEASE_NOTES_v2.3.x.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Release notes for PyTables 2.3 series &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Release notes for PyTables 2.3 series &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
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@@ -61,55 +34,29 @@
 
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-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
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-            
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               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -167,75 +115,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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           <a href="../index.html">PyTables</a>
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-
-
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v2.3.x.rst.txt" rel="nofollow"> View page source</a>
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-    
   </ul>
-
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -245,7 +151,7 @@ <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="Permalink 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="Link 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>
@@ -255,9 +161,9 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -274,7 +180,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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>
@@ -300,7 +206,7 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to
 </ul>
 </section>
 <section id="deprecations">
-<h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h3>
+<h3>Deprecations<a class="headerlink" href="#deprecations" title="Link 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">
@@ -324,50 +230,33 @@ <h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to t
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v2.2.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.2 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v2.4.x.html" class="btn btn-neutral float-left" title="Release notes for PyTables 2.4 series" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v2.2.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.2 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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\ No newline at end of file
diff --git a/release-notes/RELEASE_NOTES_v2.4.x.html b/release-notes/RELEASE_NOTES_v2.4.x.html
index c650e25..870c9bd 100644
--- a/release-notes/RELEASE_NOTES_v2.4.x.html
+++ b/release-notes/RELEASE_NOTES_v2.4.x.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Release notes for PyTables 2.4 series &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
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+  <title>Release notes for PyTables 2.4 series &mdash; PyTables 3.9.0 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" />
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
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     <link rel="next" title="Release notes for PyTables 2.3 series" href="RELEASE_NOTES_v2.3.x.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
-            
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -166,75 +114,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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   <ul class="wy-breadcrumbs">
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-        
-          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
-        
-      <li>Release notes for PyTables 2.4 series</li>
-    
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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">Release notes for PyTables 2.4 series</li>
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 </div>
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            <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="Permalink 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="Link 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>
@@ -244,9 +150,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="new-features">
-<h3>New features<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h3>
+<h3>New features<a class="headerlink" href="#new-features" title="Link to this heading">¶</a></h3>
 <ul class="simple">
 <li><p>Improved HDF5 error logging management:</p>
 <ul>
@@ -277,7 +183,7 @@ <h3>New features<a class="headerlink" href="#new-features" title="Permalink to t
 </ul>
 </section>
 <section id="other-improvements">
-<h3>Other improvements<a class="headerlink" href="#other-improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Other improvements<a class="headerlink" href="#other-improvements" title="Link 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>
@@ -303,7 +209,7 @@ <h3>Other improvements<a class="headerlink" href="#other-improvements" title="Pe
 </ul>
 </section>
 <section id="documentation-improvements">
-<h3>Documentation improvements<a class="headerlink" href="#documentation-improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Documentation improvements<a class="headerlink" href="#documentation-improvements" title="Link 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>
@@ -314,7 +220,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link 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>
@@ -337,7 +243,7 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 </ul>
 </section>
 <section id="deprecations">
-<h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h3>
+<h3>Deprecations<a class="headerlink" href="#deprecations" title="Link 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
@@ -357,50 +263,33 @@ <h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to t
 
 
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-           
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v2.3.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.3 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v3.0.x.html b/release-notes/RELEASE_NOTES_v3.0.x.html
index c12c251..ba84738 100644
--- a/release-notes/RELEASE_NOTES_v3.0.x.html
+++ b/release-notes/RELEASE_NOTES_v3.0.x.html
@@ -1,48 +1,21 @@
-
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 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
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-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
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-  
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+  <title>Release notes for PyTables 3.0 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
+        <script src="../_static/doctools.js?v=888ff710"></script>
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     <link rel="next" title="Release notes for PyTables 2.4 series" href="RELEASE_NOTES_v2.4.x.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
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-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -166,75 +114,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         <div class="rst-content">
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   <ul class="wy-breadcrumbs">
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-        
-          <li><a href="../release_notes.html">PyTables Release Notes</a> &raquo;</li>
-        
-      <li>Release notes for PyTables 3.0 series</li>
-    
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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">Release notes for PyTables 3.0 series</li>
       <li class="wy-breadcrumbs-aside">
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   </ul>
-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -244,9 +150,9 @@ <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="new-features">
-<h3>New features<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h3>
+<h3>New features<a class="headerlink" href="#new-features" title="Link 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>
@@ -287,7 +193,7 @@ <h3>New features<a class="headerlink" href="#new-features" title="Permalink to t
 </ul>
 </section>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link 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.
@@ -319,14 +225,14 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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="Permalink to this heading">¶</a></h3>
+<h3>API changes<a class="headerlink" href="#api-changes" title="Link 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
@@ -399,7 +305,7 @@ <h3>API changes<a class="headerlink" href="#api-changes" title="Permalink to thi
 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="Permalink to this heading">¶</a></h3>
+<h3>Other possibly incompatible changes<a class="headerlink" href="#other-possibly-incompatible-changes" title="Link 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
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@@ -425,7 +331,7 @@ <h3>Other possibly incompatible changes<a class="headerlink" href="#other-possib
 </ul>
 </section>
 <section id="deprecations">
-<h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h3>
+<h3>Deprecations<a class="headerlink" href="#deprecations" title="Link 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.
@@ -438,7 +344,7 @@ <h3>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to t
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link 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
@@ -470,50 +376,33 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 
 
            </div>
-           
           </div>
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-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="RELEASE_NOTES_v2.4.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.4 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v2.4.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 2.4 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v3.1.x.html b/release-notes/RELEASE_NOTES_v3.1.x.html
index 7109f5b..75ccc6a 100644
--- a/release-notes/RELEASE_NOTES_v3.1.x.html
+++ b/release-notes/RELEASE_NOTES_v3.1.x.html
@@ -1,48 +1,21 @@
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-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
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-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
-
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-
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+  <title>Changes from 3.1.0 to 3.1.1 &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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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 src="../_static/js/theme.js"></script>
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@@ -61,55 +34,29 @@
 
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+<body class="wy-body-for-nav"> 
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
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-                3.8.1.dev0
+                3.9.0
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
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@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -174,77 +122,35 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
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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>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link to this heading">¶</a></h1>
 <section id="bugs-fixed">
-<h2>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h2>
+<h2>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link 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
@@ -256,11 +162,11 @@ <h2>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 </ul>
 </section>
 <section id="improvements">
-<h2>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h2>
+<h2>Improvements<a class="headerlink" href="#improvements" title="Link 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).
-Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/337">gh-337</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/339">gh-339</a>).</p></li>
+Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/337">gh-337</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/339">gh-339</a>.</p></li>
 <li><p>Added two new utility functions
 (<a class="reference internal" href="../usersguide/libref/filenode_classes.html#tables.nodes.filenode.read_from_filenode" title="tables.nodes.filenode.read_from_filenode"><code class="xref py py-func docutils literal notranslate"><span class="pre">tables.nodes.filenode.read_from_filenode()</span></code></a> and
 <a class="reference internal" href="../usersguide/libref/filenode_classes.html#tables.nodes.filenode.save_to_filenode" title="tables.nodes.filenode.save_to_filenode"><code class="xref py py-func docutils literal notranslate"><span class="pre">tables.nodes.filenode.save_to_filenode()</span></code></a>) for the direct copy from
@@ -273,9 +179,9 @@ <h2>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 </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="Permalink 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="Link to this heading">¶</a></h1>
 <section id="new-features">
-<h2>New features<a class="headerlink" href="#new-features" title="Permalink to this heading">¶</a></h2>
+<h2>New features<a class="headerlink" href="#new-features" title="Link 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>
@@ -296,7 +202,7 @@ <h2>New features<a class="headerlink" href="#new-features" title="Permalink to t
 </ul>
 </section>
 <section id="id1">
-<h2>Improvements<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h2>
+<h2>Improvements<a class="headerlink" href="#id1" title="Link 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.
@@ -316,41 +222,41 @@ <h2>Improvements<a class="headerlink" href="#id1" title="Permalink to this headi
 is detected (see also <a class="reference external" href="https://forum.hdfgroup.org/t/issues-with-h5t-native-ldouble/2991">Issues with H5T_NATIVE_LDOUBLE</a>).
 See also <a class="reference external" href="https://github.com/PyTables/PyTables/issues/275">gh-275</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/issues/290">gh-290</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/300">gh-300</a>.</p></li>
 <li><p>Documented an unexpected behaviour with string literals in query conditions
-on Python 3 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/265">gh-265</a>)</p></li>
+on Python 3 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/265">gh-265</a>).</p></li>
 <li><p>The deprecated <code class="xref py py-mod docutils literal notranslate"><span class="pre">getopt</span></code> module has been dropped in favour of
 <code class="xref py py-mod docutils literal notranslate"><span class="pre">argparse</span></code> in all command line utilities (close <a class="reference external" href="https://github.com/PyTables/PyTables/issues/251">gh-251</a>)</p></li>
 <li><p>Improved the installation section of the <a class="reference internal" href="../usersguide/index.html"><span class="doc">PyTables User’s Guide</span></a>.</p>
 <ul>
 <li><p>instructions for installing PyTables via <a class="reference external" href="http://www.pip-installer.org">pip</a> have been added.</p></li>
 <li><p>added a reference to the <a class="reference external" href="https://store.continuum.io/cshop/anaconda">Anaconda</a>, <a class="reference external" href="https://www.enthought.com/products/canopy">Canopy</a> and <a class="reference external" href="http://www.lfd.uci.edu/~gohlke/pythonlibs">Christoph Gohlke suites</a>
-(closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/291">gh-291</a>)</p></li>
+(closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/291">gh-291</a>).</p></li>
 </ul>
 </li>
-<li><p>Enabled <a class="reference external" href="https://travis-ci.org">Travis-CI</a> builds for <a class="reference external" href="http://www.python.org">Python</a> 3.3</p></li>
+<li><p>Enabled <a class="reference external" href="https://travis-ci.org">Travis-CI</a> builds for <a class="reference external" href="http://www.python.org">Python</a> 3.3.</p></li>
 <li><p><code class="xref py py-meth docutils literal notranslate"><span class="pre">Tables.read_coordinates()</span></code> now also works with boolean indices input.
 Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/287">gh-287</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/298">gh-298</a>.</p></li>
-<li><p>Improved compatibility with <a class="reference external" href="http://www.numpy.org">numpy</a> &gt;= 1.8 (see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/259">gh-259</a>)</p></li>
+<li><p>Improved compatibility with <a class="reference external" href="http://www.numpy.org">numpy</a> &gt;= 1.8 (see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/259">gh-259</a>).</p></li>
 <li><p>The code of the benchmark programs (bench directory) has been updated.
 Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/114">gh-114</a>.</p></li>
 <li><p>Fixed some warning related to non-unicode file names (the Windows bytes API
-has been deprecated in Python 3.4)</p></li>
+has been deprecated in Python 3.4).</p></li>
 </ul>
 </section>
 <section id="id2">
-<h2>Bugs fixed<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h2>
+<h2>Bugs fixed<a class="headerlink" href="#id2" title="Link 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 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
-an <code class="xref py py-class docutils literal notranslate"><span class="pre">Atom</span></code> (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/209">gh-209</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/296">gh-296</a>)</p></li>
+an <code class="xref py py-class docutils literal notranslate"><span class="pre">Atom</span></code> (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/209">gh-209</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/296">gh-296</a>).</p></li>
 <li><p>Prevent creation of a table with no columns (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/18">gh-18</a> and
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/299">gh-299</a>)</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/299">gh-299</a>).</p></li>
 <li><p>Fixed a memory leak that occured when iterating over
 <code class="xref py py-class docutils literal notranslate"><span class="pre">CArray</span></code>/<code class="xref py py-class docutils literal notranslate"><span class="pre">EArray</span></code> objects (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/308">gh-308</a>,
 see also <a class="reference external" href="https://github.com/PyTables/PyTables/issues/309">gh-309</a>).
 Many thanks to Alistair Muldal.</p></li>
-<li><p>Make NaN types sort to the end. Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/282">gh-282</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/313">gh-313</a></p></li>
+<li><p>Make NaN types sort to the end. Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/282">gh-282</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/313">gh-313</a>.</p></li>
 <li><p>Fixed selection on float columns when NaNs are present (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/327">gh-327</a>
-and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/330">gh-330</a>)</p></li>
+and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/330">gh-330</a>).</p></li>
 <li><p>Fix computation of the buffer size for iterations on rows.
 The buffers size was overestimated resulting in a <code class="xref py py-exc docutils literal notranslate"><span class="pre">MemoryError</span></code>
 in some cases.
@@ -360,11 +266,11 @@ <h2>Bugs fixed<a class="headerlink" href="#id2" title="Permalink to this heading
 Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/21">gh-21</a>.</p></li>
 <li><p>Close the file handle before trying to delete the corresponding file.
 Fixes a test failure on Windows.</p></li>
-<li><p>Use integer division for computing indices (fixes some warning on Windows)</p></li>
+<li><p>Use integer division for computing indices (fixes some warning on Windows).</p></li>
 </ul>
 </section>
 <section id="deprecations">
-<h2>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to this heading">¶</a></h2>
+<h2>Deprecations<a class="headerlink" href="#deprecations" title="Link 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.
@@ -374,7 +280,7 @@ <h2>Deprecations<a class="headerlink" href="#deprecations" title="Permalink to t
 <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="Permalink to this heading">¶</a></h2>
+<h2>Backward incompatible changes<a class="headerlink" href="#backward-incompatible-changes" title="Link 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>
@@ -438,50 +344,33 @@ <h2>Backward incompatible changes<a class="headerlink" href="#backward-incompati
 
 
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diff --git a/release-notes/RELEASE_NOTES_v3.2.x.html b/release-notes/RELEASE_NOTES_v3.2.x.html
index 1037826..4466150 100644
--- a/release-notes/RELEASE_NOTES_v3.2.x.html
+++ b/release-notes/RELEASE_NOTES_v3.2.x.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
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-  <meta charset="utf-8" />
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   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+  <title>Release notes for PyTables 3.2 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
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+                3.9.0
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
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@@ -171,75 +119,33 @@
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+             
   <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="Permalink 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="Link 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>
@@ -249,13 +155,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link 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>).
@@ -266,11 +172,11 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link 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>
-<li><p>Add lib64 to posix search path. (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/507">gh-507</a>)
+<li><p>Add lib64 to posix search path (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/507">gh-507</a>).
 Thanks to Mehdi Sadeghi.</p></li>
 <li><p>Ensure cache entries are removed if fewer than 10 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/529">gh-529</a>).
 Thanks to Graham Jones.</p></li>
@@ -278,26 +184,26 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 <a class="reference internal" href="../usersguide/libref/helper_classes.html#tables.index.Index" title="tables.index.Index"><code class="xref py py-class docutils literal notranslate"><span class="pre">index.Index</span></code></a> (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/532">gh-532</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/533">gh-533</a>).
 Thanks to Diane Trout.</p></li>
 <li><p>Fixed the evaluation of transcendental functions when numexpr is
-compiled with VML support (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/534">gh-534</a>, PR #536).
+compiled with VML support (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/534">gh-534</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/pull/536">gh-536</a>).
 Thanks to Tom Kooij.</p></li>
 <li><p>Make sure that index classes use buffersizes that are a multiple
-of chunkshape[0] (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/538">gh-538</a>, PR #538).
+of chunkshape[0] (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/538">gh-538</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/pull/538">gh-538</a>).
 Thanks to Tom Kooij.</p></li>
-<li><p>Ensure benchmark paths exist before benchmarks are executed (PR #544).
+<li><p>Ensure benchmark paths exist before benchmarks are executed (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/544">gh-544</a>).
 Thanks to rohitjamuar.</p></li>
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="bug-fixed">
-<h3>Bug fixed<a class="headerlink" href="#bug-fixed" title="Permalink to this heading">¶</a></h3>
+<h3>Bug fixed<a class="headerlink" href="#bug-fixed" title="Link 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>
@@ -311,33 +217,33 @@ <h3>Bug fixed<a class="headerlink" href="#bug-fixed" title="Permalink to this he
 </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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id1" title="Link 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id3">
-<h3>Bug fixed<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
+<h3>Bug fixed<a class="headerlink" href="#id3" title="Link 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id4">
-<h3>Improvements<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id4" title="Link 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 #285.</p></li>
+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>
 <li><p>PyTables should be installable very friendly via pip, including NumPy
 being installed automatically in the unlikely case it is not yet
 installed in the system.  Thanks to Andrea Bedini.</p></li>
@@ -379,11 +285,11 @@ <h3>Improvements<a class="headerlink" href="#id4" title="Permalink to this headi
 with PyTables.</p></li>
 <li><p>The redundant <code class="xref py py-func docutils literal notranslate"><span class="pre">utilsextension.get_indices()</span></code> function has been
 eliminated (replaced by <code class="xref py py-meth docutils literal notranslate"><span class="pre">slice.indices()</span></code>). Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/195">gh-195</a>.</p></li>
-<li><p>Allow negative indices in point selection (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/360">gh-360</a>)</p></li>
+<li><p>Allow negative indices in point selection (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/360">gh-360</a>).</p></li>
 <li><p>Index wasn’t being used if it claimed there were no results.
-Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/351">gh-351</a> (see also <a class="reference external" href="https://github.com/PyTables/PyTables/issues/353">gh-353</a>)</p></li>
+Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/351">gh-351</a> (see also <a class="reference external" href="https://github.com/PyTables/PyTables/issues/353">gh-353</a>).</p></li>
 <li><p>Atoms and Col types are no longer generated dynamically so now it is easier
-for IDEs and static analysis tool to handle them (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/345">gh-345</a>)</p></li>
+for IDEs and static analysis tool to handle them (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/345">gh-345</a>).</p></li>
 <li><p>The keysort functions in idx-opt.c have been cythonised using fused types.
 The perfomance is mostly unchanged, but the code is much more simpler now.
 Thanks to Andrea Bedini.</p></li>
@@ -413,12 +319,12 @@ <h3>Improvements<a class="headerlink" href="#id4" title="Permalink to this headi
 </ul>
 </section>
 <section id="id5">
-<h3>Bugs fixed<a class="headerlink" href="#id5" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id5" title="Link 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>
+(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>
 <li><p>Fixed compatibility with Cython &gt;= 0.20 (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/386">gh-386</a> and
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/387">gh-387</a>)</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/387">gh-387</a>).</p></li>
 <li><p>Fixed support for unicode node names in LRU cache (only Python 2 was
 affected). Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/367">gh-367</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/369">gh-369</a>.</p></li>
 <li><p>Fixed support for unicode node titles (only Python 2 was affected).
@@ -431,13 +337,13 @@ <h3>Bugs fixed<a class="headerlink" href="#id5" title="Permalink to this heading
 Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/359">gh-359</a>.</p></li>
 <li><p>Fix incomplete results when performing the same query twice and exhausting
 the second iterator before the first. The first one writes incomplete
-results to <em>seqcache</em> (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/353">gh-353</a>)</p></li>
+results to <em>seqcache</em> (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/353">gh-353</a>).</p></li>
 <li><p>Fix false results potentially going to <em>seqcache</em> if
 <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.tableextension.Row.update" title="tables.tableextension.Row.update"><code class="xref py py-meth docutils literal notranslate"><span class="pre">tableextension.Row.update()</span></code></a> is used during iteration
-(see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/353">gh-353</a>)</p></li>
-<li><p>Fix <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Column.create_csindex" title="tables.Column.create_csindex"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Column.create_csindex()</span></code></a> when there’s NaNs</p></li>
-<li><p>Fixed handling of unicode file names on windows (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/389">gh-389</a>)</p></li>
-<li><p>No longer not modify <code class="xref py py-data docutils literal notranslate"><span class="pre">sys.argv</span></code> at import time (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/405">gh-405</a>)</p></li>
+(see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/353">gh-353</a>).</p></li>
+<li><p>Fix <a class="reference internal" href="../usersguide/libref/structured_storage.html#tables.Column.create_csindex" title="tables.Column.create_csindex"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Column.create_csindex()</span></code></a> when there’s NaNs.</p></li>
+<li><p>Fixed handling of unicode file names on windows (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/389">gh-389</a>).</p></li>
+<li><p>No longer not modify <code class="xref py py-data docutils literal notranslate"><span class="pre">sys.argv</span></code> at import time (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/405">gh-405</a>).</p></li>
 <li><p>Fixed a performance issue on NFS (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/402">gh-402</a>)</p></li>
 <li><p>Fixed a nasty problem affecting results of indexed queries.
 Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/319">gh-319</a> and probably <a class="reference external" href="https://github.com/PyTables/PyTables/issues/419">gh-419</a> too.</p></li>
@@ -445,11 +351,11 @@ <h3>Bugs fixed<a class="headerlink" href="#id5" title="Permalink to this heading
 Closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/441">gh-441</a>.</p></li>
 <li><p>Replaced “len(xrange(start, stop, step))” -&gt; “len(xrange(0, stop -
 start, step))” to fix issues with large row counts with Python 2.x.
-Fixes #447.</p></li>
+Fixes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/447">gh-447</a>.</p></li>
 </ul>
 </section>
 <section id="id6">
-<h3>Other changes<a class="headerlink" href="#id6" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#id6" title="Link 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>
@@ -466,50 +372,33 @@ <h3>Other changes<a class="headerlink" href="#id6" title="Permalink to this head
 
 
            </div>
-           
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="RELEASE_NOTES_v3.1.x.html" class="btn btn-neutral float-right" title="Changes from 3.1.0 to 3.1.1" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
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   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v3.3.x.html b/release-notes/RELEASE_NOTES_v3.3.x.html
index 12d5954..2a56649 100644
--- a/release-notes/RELEASE_NOTES_v3.3.x.html
+++ b/release-notes/RELEASE_NOTES_v3.3.x.html
@@ -1,48 +1,21 @@
-
-
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 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Release notes for PyTables 3.3 series &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
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+  <title>Release notes for PyTables 3.3 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
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 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -166,88 +114,46 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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-        
-      <li>Release notes for PyTables 3.3 series</li>
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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">Release notes for PyTables 3.3 series</li>
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
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+             
   <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="Permalink 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="Link 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
 <ul class="simple">
-<li><p>Single codebase Python 2 and 3 support (PR #493).</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>
+<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>
 <li><p>Full BitShuffle support for new Blosc versions (&gt;= 1.8).</p></li>
 <li><p>It is now possible to remove all rows from a table.</p></li>
 <li><p>It is now possible to read reference types by dereferencing them as
 numpy array of objects (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/518">gh-518</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/519">gh-519</a>).
-Thanks to Ehsan Azar</p></li>
-<li><p>Get rid of the <cite>-native</cite> compile flag (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/503">gh-503</a>)</p></li>
+Thanks to Ehsan Azar.</p></li>
+<li><p>Get rid of the <cite>-native</cite> compile flag (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/503">gh-503</a>).</p></li>
 <li><p>The default number of threads to run numexpr (MAX_NUMEXPR_THREADS)
 internally has been raised from 2 to 4.  This is because we are in
 2016 and 4 core configurations are becoming common.</p></li>
@@ -259,7 +165,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 </ul>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link 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>
@@ -271,50 +177,33 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 
 
            </div>
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-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v3.4.x.html b/release-notes/RELEASE_NOTES_v3.4.x.html
index fcaa6b2..0158ae8 100644
--- a/release-notes/RELEASE_NOTES_v3.4.x.html
+++ b/release-notes/RELEASE_NOTES_v3.4.x.html
@@ -1,48 +1,21 @@
-
-
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 <html class="writer-html5" lang="en" >
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-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
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   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+  <title>Release notes for PyTables 3.4 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
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@@ -61,55 +34,29 @@
 
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+<body class="wy-body-for-nav"> 
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+                3.9.0
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
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@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
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 <li class="toctree-l3 current"><a class="current reference internal" href="#">Release notes for PyTables 3.4 series</a><ul>
@@ -170,79 +118,37 @@
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-        
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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">Release notes for PyTables 3.4 series</li>
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   <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="Permalink 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="Link 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Environment variable to control the use of embedded libraries.
@@ -253,7 +159,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 </div></blockquote>
 </section>
 <section id="bugs-fixed">
-<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Link to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Fixed import error with numexpr 2.6.5.dev0
@@ -269,17 +175,17 @@ <h3>Bugs fixed<a class="headerlink" href="#bugs-fixed" title="Permalink to this
 </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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id1">
-<h3>Improvements<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id1" title="Link to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>On interactive python sessions, group/attribute  <cite>__dir__()</cite> method
 autocompletes children that are named as valid python identifiers.
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/624">gh-624</a> &amp; <a class="reference external" href="https://github.com/PyTables/PyTables/issues/625">gh-625</a> thanks to ankostis.</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/624">gh-624</a> &amp; <a class="reference external" href="https://github.com/PyTables/PyTables/issues/625">gh-625</a>, thanks to ankostis.</p></li>
 <li><p>Implement <cite>Group.__getitem__()</cite> to have groups act as python-containers,
 so code like this works: <code class="docutils literal notranslate"><span class="pre">hfile.root['some</span> <span class="pre">child']</span></code>.
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/628">gh-628</a> thanks to ankostis.</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/628">gh-628</a>, thanks to ankostis.</p></li>
 <li><p>Enable building with Intel compiler (icc/icpc).
 Thanks to rohit-jamuar.</p></li>
 <li><p>PEP 519 support, using new <cite>os.fspath</cite> method.
@@ -296,26 +202,26 @@ <h3>Improvements<a class="headerlink" href="#id1" title="Permalink to this headi
 </div></blockquote>
 </section>
 <section id="id2">
-<h3>Bugs fixed<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id2" title="Link 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
 nparr array.
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/653">gh-653</a>. Thanks to alobbs.</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/653">gh-653</a>, thanks to alobbs.</p></li>
 <li><p>Fixed deprecation warnings with numpy 1.14.
 Thanks to oleksandr-pavlyk.</p></li>
 <li><p>Skip DLL check when running from a frozen app.
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/675">gh-675</a>. Thanks to jwiggins.</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/675">gh-675</a>, thanks to jwiggins.</p></li>
 <li><p>Fixed behaviour with slices out of range.
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/651">gh-651</a>. Thanks to jackdbd.</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/651">gh-651</a>, thanks to jackdbd.</p></li>
 </ul>
 </div></blockquote>
 </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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id3">
-<h3>Improvements<a class="headerlink" href="#id3" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id3" title="Link to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>setup.py detects conda env and uses installed conda (hdf5, bzip2, lzo
@@ -324,20 +230,20 @@ <h3>Improvements<a class="headerlink" href="#id3" title="Permalink to this headi
 </div></blockquote>
 </section>
 <section id="id4">
-<h3>Bugs fixed<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id4" title="Link to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Linux wheels now built against built-in blosc.</p></li>
 <li><p>Fixed windows absolute paths in ptrepack, ptdump, ptree.
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/616">gh-616</a>. Thanks to oscar6echo.</p></li>
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/616">gh-616</a>, thanks to oscar6echo.</p></li>
 </ul>
 </div></blockquote>
 </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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id5">
-<h3>Bugs fixed<a class="headerlink" href="#id5" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id5" title="Link to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>Fixed bug in ptrepack</p></li>
@@ -346,31 +252,31 @@ <h3>Bugs fixed<a class="headerlink" href="#id5" title="Permalink 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="id6">
-<h3>Improvements<a class="headerlink" href="#id6" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#id6" title="Link 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>
+<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>
 <li><p>Fix compatibility with the upcoming Python 2.7.13, 3.5.3 and 3.6 versions.
 See also <a class="reference external" href="https://github.com/PyTables/PyTables/issues/590">gh-590</a>. Thanks to Yaroslav Halchenko</p></li>
 <li><p>Internal Blosc version updated to 1.11.3</p></li>
-<li><p>Gracefully handle cpuinfo failure. (PR #578)
+<li><p>Gracefully handle cpuinfo failure (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/578">gh-578</a>).
 Thanks to Zbigniew Jędrzejewski-Szmek</p></li>
 <li><p>Update internal py-cpuinfo to 3.3.0. Thanks to Gustavo Serra Scalet.</p></li>
 </ul>
 </div></blockquote>
 </section>
 <section id="id7">
-<h3>Bugs fixed<a class="headerlink" href="#id7" title="Permalink to this heading">¶</a></h3>
+<h3>Bugs fixed<a class="headerlink" href="#id7" title="Link 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.
 See also <a class="reference external" href="https://github.com/PyTables/PyTables/issues/598">gh-598</a>. Thanks to Kyle Keppler for reporting.</p></li>
 <li><p>Fix important bug in bitshuffle filter in internal Blosc on big-endian
 machines. See also <a class="reference external" href="https://github.com/PyTables/PyTables/issues/583">gh-583</a>.</p></li>
-<li><p>Fix allow for long type in nextafter. (PR #587) Thanks to Yaroslav Halchenko.</p></li>
-<li><p>Fix unicode bug in group and tables names. <a class="reference external" href="https://github.com/PyTables/PyTables/issues/514">gh-514</a></p></li>
+<li><p>Fix allow for long type in nextafter (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/587">gh-587</a>). Thanks to Yaroslav Halchenko.</p></li>
+<li><p>Fix unicode bug in group and tables names (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/514">gh-514</a>).</p></li>
 </ul>
 </div></blockquote>
 </section>
@@ -379,50 +285,33 @@ <h3>Bugs fixed<a class="headerlink" href="#id7" title="Permalink to this heading
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="RELEASE_NOTES_v3.5.x.html" class="btn btn-neutral float-left" title="Release notes for PyTables 3.5 series" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v3.3.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 3.3 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v3.5.x.html b/release-notes/RELEASE_NOTES_v3.5.x.html
index 81734b1..ad27cb0 100644
--- a/release-notes/RELEASE_NOTES_v3.5.x.html
+++ b/release-notes/RELEASE_NOTES_v3.5.x.html
@@ -1,48 +1,21 @@
-
-
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 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
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-  
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-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
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-  
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-  
+  <title>Release notes for PyTables 3.5 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
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+    <script src="../_static/js/theme.js"></script>
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     <link rel="next" title="Release notes for PyTables 3.4 series" href="RELEASE_NOTES_v3.4.x.html" />
@@ -61,55 +34,29 @@
 
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+<body class="wy-body-for-nav"> 
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-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3 current"><a class="current reference internal" href="#">Release notes for PyTables 3.5 series</a><ul>
 <li class="toctree-l4"><a class="reference internal" href="#changes-from-3-5-1-to-3-5-2">Changes from 3.5.1 to 3.5.2</a></li>
@@ -168,75 +116,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-        
-      <li>Release notes for PyTables 3.5 series</li>
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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">Release notes for PyTables 3.5 series</li>
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -246,27 +152,27 @@ <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="Permalink 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="Link 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.
 Thanks to Christoph Gohlke for reporting and Miro Hrončok for help with
 building PyTables for python 3.8alpha (cython compatibility).
-see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/733">gh-733</a> and PR #737.</p></li>
+See <a class="reference external" href="https://github.com/PyTables/PyTables/issues/733">gh-733</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/pull/737">gh-737</a>.</p></li>
 <li><p>Fixed a bug in offset calculations producing floats instead of ints
-affecting python 3. See PR #736. Thanks to Brad Montgomery.</p></li>
+affecting python 3. See <a class="reference external" href="https://github.com/PyTables/PyTables/pull/736">gh-736</a>. Thanks to Brad Montgomery.</p></li>
 </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="Permalink 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="Link 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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
 <blockquote>
 <div><ul class="simple">
 <li><p>When copying data from native HDF5 files with padding in compound types,
@@ -285,7 +191,7 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 <li><p>Improve compatibility with numpy 1.16.</p></li>
 <li><p>Improve detection of the LZO2 library at build time.</p></li>
 <li><p>Suppress several warnings.</p></li>
-<li><p>Add AVX2 support for Windows.  See PR #716.  Thanks to Robert McLeod.</p></li>
+<li><p>Add AVX2 support for Windows.  See <a class="reference external" href="https://github.com/PyTables/PyTables/pull/716">gh-716</a>.  Thanks to Robert McLeod.</p></li>
 </ul>
 </div></blockquote>
 </section>
@@ -294,50 +200,33 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 
 
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v3.6.x.html b/release-notes/RELEASE_NOTES_v3.6.x.html
index e3d2c9e..853f86b 100644
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+++ b/release-notes/RELEASE_NOTES_v3.6.x.html
@@ -1,52 +1,25 @@
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-
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+  <title>Release notes for PyTables 3.6 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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+        <script src="../_static/documentation_options.js?v=e55a5be6"></script>
+        <script src="../_static/doctools.js?v=888ff710"></script>
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     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Release notes for PyTables 3.5 series" href="RELEASE_NOTES_v3.5.x.html" />
-    <link rel="prev" title="Release notes for PyTables 3.9 series" href="RELEASE_NOTES_v3.7.x.html" />
+    <link rel="prev" title="Release notes for PyTables 3.7 series" href="RELEASE_NOTES_v3.7.x.html" />
  
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@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
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+<body class="wy-body-for-nav"> 
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       <div class="wy-side-scroll">
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-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
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-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="../usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,8 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3 current"><a class="current reference internal" href="#">Release notes for PyTables 3.6 series</a><ul>
 <li class="toctree-l4"><a class="reference internal" href="#changes-from-3-6-0-to-3-6-1">Changes from 3.6.0 to 3.6.1</a></li>
 <li class="toctree-l4"><a class="reference internal" href="#changes-from-3-5-3-to-3-6-0">Changes from 3.5.3 to 3.6.0</a></li>
@@ -167,75 +115,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/release-notes/RELEASE_NOTES_v3.6.x.rst.txt" rel="nofollow"> View page source</a>
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   </ul>
-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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>
@@ -245,14 +151,14 @@ <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h2>
-<p>PyTables 3.6 no longer supports Python 2.7 see PR #747.</p>
+<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>
+<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="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link 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
@@ -266,12 +172,12 @@ <h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to t
 </ul>
 </section>
 <section id="bugfixes">
-<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this heading">¶</a></h3>
+<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link 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
-with time.perf_counter
-Thanks to Sergio Pascual (sergiopasra). see <a class="reference external" href="https://github.com/PyTables/PyTables/issues/744">gh-744</a> and PR #745.</p></li>
+with time.perf_counter. See <a class="reference external" href="https://github.com/PyTables/PyTables/issues/744">gh-744</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/pull/745">gh-745</a>.
+Thanks to Sergio Pascual (sergiopasra).</p></li>
 <li><p>Improvements in tests as well as clean up from dropping Python 2.7 support.
 Thanks to Seth Troisi (sethtroisi).</p></li>
 </ul>
@@ -281,50 +187,33 @@ <h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this head
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
+        <a href="RELEASE_NOTES_v3.7.x.html" class="btn btn-neutral float-left" title="Release notes for PyTables 3.7 series" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
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   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/release-notes/RELEASE_NOTES_v3.7.x.html b/release-notes/RELEASE_NOTES_v3.7.x.html
index 1e6d4ea..14a6cdf 100644
--- a/release-notes/RELEASE_NOTES_v3.7.x.html
+++ b/release-notes/RELEASE_NOTES_v3.7.x.html
@@ -1,52 +1,25 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
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-  
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-  
-
-  
+  <title>Release notes for PyTables 3.7 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+    <script src="../_static/js/theme.js"></script>
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-    <link rel="prev" title="Release notes for PyTables 3.9 series" href="RELEASE_NOTES_v3.8.x.html" />
+    <link rel="prev" title="Release notes for PyTables 3.8 series" href="RELEASE_NOTES_v3.8.x.html" />
  
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@@ -61,55 +34,29 @@
 
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-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
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-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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-          
-
-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
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 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,10 +67,9 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3 current"><a class="current reference internal" href="#">Release notes for PyTables 3.9 series</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="#changes-from-3-8-0-to-3-9-0">Changes from 3.8.0 to 3.9.0</a></li>
-<li class="toctree-l4"><a class="reference internal" href="#changes-from-3-7-0-to-3-8-0">Changes from 3.7.0 to 3.8.0</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3 current"><a class="current reference internal" href="#">Release notes for PyTables 3.7 series</a><ul>
 <li class="toctree-l4"><a class="reference internal" href="#changes-from-3-6-1-to-3-7-0">Changes from 3.6.1 to 3.7.0</a></li>
 </ul>
 </li>
@@ -168,75 +114,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
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-        
-      <li>Release notes for PyTables 3.9 series</li>
-    
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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">Release notes for PyTables 3.7 series</li>
       <li class="wy-breadcrumbs-aside">
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           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink to this heading">¶</a></h1>
+             
+  <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>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -245,43 +149,14 @@ <h1>Release notes for PyTables 3.9 series<a class="headerlink" href="#release-no
 <dd class="field-even"><p><a class="reference external" href="mailto:pytables-dev&#37;&#52;&#48;googlegroups&#46;com">pytables-dev<span>&#64;</span>googlegroups<span>&#46;</span>com</a></p>
 </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="Permalink to this heading">¶</a></h2>
-<p>XXX version-specific blurb XXX</p>
-</section>
-<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="Permalink to this heading">¶</a></h2>
-<section id="improvements">
-<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 (PR #962).</p></li>
-<li><p>Support for Python 3.6 and Python 3.7 has been dropped (PR #966).</p></li>
-<li><p>Added a new (registered) HDF5 filter for Blosc2 compressor (PR #969).</p></li>
-<li><p>Added optimized paths for Blosc2 reading and writing in tables. This
-bypasses the HDF5 filter pipeline by building the Blosc2 CFrames and
-sending them to the HDF5 direct chunking machinery (PR #969).</p></li>
-<li><p>Internal C-Blosc sources updated to 1.21.2.</p></li>
-<li><p>Thanks to Oscar Guiñon, Francesc Alted for implementing Blosc2 the
-support and NumFOCUS for providing a grant for that.</p></li>
-</ul>
-</section>
-<section id="other-changes">
-<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>
-<li><p>Pre-built HTML documentation is no longer included in the source package.</p></li>
-</ul>
-</section>
-</section>
 <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="Permalink to this heading">¶</a></h2>
-<section id="id1">
-<h3>Improvements<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h3>
+<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>
+<section id="improvements">
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link 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>
-<li><p>Windows: Significantly faster <cite>import tables</cite> PR #781.
+<li><p>Windows: Significantly faster <cite>import tables</cite> (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/781">gh-781</a>).
 Thanks to Christoph Gohlke.</p></li>
 <li><p>Internal C-Blosc sources updated to 1.21.1 (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/931">gh-931</a>).
 Note that, starting from C-Blosc 1.19 does not include the Snappy codec
@@ -305,16 +180,16 @@ <h3>Improvements<a class="headerlink" href="#id1" title="Permalink to this headi
 </ul>
 </section>
 <section id="bugfixes">
-<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this heading">¶</a></h3>
+<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link 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 PR #792.</p></li>
+Thanks to Marco Sulla (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/792">gh-792</a>).</p></li>
 <li><p>Fix ROFileNode fails to return the <cite>fileno()</cite> (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/633">gh-633</a>).</p></li>
 <li><p>Do not flush read only files (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/915">gh-915</a> thanks to &#64;lrepiton).</p></li>
 </ul>
 </section>
-<section id="id2">
-<h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h3>
+<section id="other-changes">
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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
@@ -327,50 +202,33 @@ <h3>Other changes<a class="headerlink" href="#id2" title="Permalink to this head
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
+        <a href="RELEASE_NOTES_v3.8.x.html" class="btn btn-neutral float-left" title="Release notes for PyTables 3.8 series" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
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-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/release-notes/RELEASE_NOTES_v3.8.x.html b/release-notes/RELEASE_NOTES_v3.8.x.html
index 5d53a2a..63dbd2f 100644
--- a/release-notes/RELEASE_NOTES_v3.8.x.html
+++ b/release-notes/RELEASE_NOTES_v3.8.x.html
@@ -1,52 +1,25 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
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   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
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-  
-
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-  
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+  <title>Release notes for PyTables 3.8 series &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-    <link rel="next" title="Release notes for PyTables 3.9 series" href="RELEASE_NOTES_v3.7.x.html" />
-    <link rel="prev" title="Migrating from PyTables 1.x to 2.x" href="../MIGRATING_TO_2.x.html" />
+    <link rel="next" title="Release notes for PyTables 3.7 series" href="RELEASE_NOTES_v3.7.x.html" />
+    <link rel="prev" title="Release notes for PyTables 3.9 series" href="RELEASE_NOTES_v3.9.x.html" />
  
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@@ -61,55 +34,29 @@
 
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-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
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 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -120,13 +67,12 @@
 <li class="toctree-l1 current"><a class="reference internal" href="../release_notes.html">Release Notes</a><ul class="current">
 <li class="toctree-l2"><a class="reference internal" href="../release_notes.html#migration">Migration</a></li>
 <li class="toctree-l2 current"><a class="reference internal" href="../release_notes.html#pytables">PyTables</a><ul class="current">
-<li class="toctree-l3 current"><a class="current reference internal" href="#">Release notes for PyTables 3.9 series</a><ul>
-<li class="toctree-l4"><a class="reference internal" href="#changes-from-3-8-0-to-3-9-0">Changes from 3.8.0 to 3.9.0</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3 current"><a class="current reference internal" href="#">Release notes for PyTables 3.8 series</a><ul>
 <li class="toctree-l4"><a class="reference internal" href="#changes-from-3-7-0-to-3-8-0">Changes from 3.7.0 to 3.8.0</a></li>
-<li class="toctree-l4"><a class="reference internal" href="#changes-from-3-6-1-to-3-7-0">Changes from 3.6.1 to 3.7.0</a></li>
 </ul>
 </li>
-<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -168,75 +114,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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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">Release notes for PyTables 3.8 series</li>
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink to this heading">¶</a></h1>
+             
+  <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>
 <dl class="field-list simple">
 <dt class="field-odd">Author<span class="colon">:</span></dt>
 <dd class="field-odd"><p>PyTables Developers</p>
@@ -245,28 +149,24 @@ <h1>Release notes for PyTables 3.9 series<a class="headerlink" href="#release-no
 <dd class="field-even"><p><a class="reference external" href="mailto:pytables-dev&#37;&#52;&#48;googlegroups&#46;com">pytables-dev<span>&#64;</span>googlegroups<span>&#46;</span>com</a></p>
 </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="Permalink to this heading">¶</a></h2>
-<p>XXX version-specific blurb XXX</p>
-</section>
 <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="Permalink 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="Link to this heading">¶</a></h2>
 <section id="improvements">
-<h3>Improvements<a class="headerlink" href="#improvements" title="Permalink to this heading">¶</a></h3>
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link to this heading">¶</a></h3>
 <ul class="simple">
-<li><p>Support for Python 3.11 has been added (PR #962).</p></li>
-<li><p>Support for Python 3.6 and Python 3.7 has been dropped (PR #966).</p></li>
-<li><p>Added a new (registered) HDF5 filter for Blosc2 compressor (PR #969).</p></li>
+<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>
+<li><p>Added a new (registered) HDF5 filter for Blosc2 compressor (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/969">gh-969</a>).</p></li>
 <li><p>Added optimized paths for Blosc2 reading and writing in tables. This
 bypasses the HDF5 filter pipeline by building the Blosc2 CFrames and
-sending them to the HDF5 direct chunking machinery (PR #969).</p></li>
+sending them to the HDF5 direct chunking machinery (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/969">gh-969</a>).</p></li>
 <li><p>Internal C-Blosc sources updated to 1.21.2.</p></li>
 <li><p>Thanks to Oscar Guiñon, Francesc Alted for implementing Blosc2 the
 support and NumFOCUS for providing a grant for that.</p></li>
 </ul>
 </section>
 <section id="other-changes">
-<h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to this heading">¶</a></h3>
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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>
@@ -274,103 +174,37 @@ <h3>Other changes<a class="headerlink" href="#other-changes" title="Permalink to
 </ul>
 </section>
 </section>
-<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="Permalink to this heading">¶</a></h2>
-<section id="id1">
-<h3>Improvements<a class="headerlink" href="#id1" 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>
-<li><p>Windows: Significantly faster <cite>import tables</cite> PR #781.
-Thanks to Christoph Gohlke.</p></li>
-<li><p>Internal C-Blosc sources updated to 1.21.1 (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/931">gh-931</a>).
-Note that, starting from C-Blosc 1.19 does not include the Snappy codec
-sources anymore, so Snappy will be not available if you compile from
-included sources; other packages (like conda or wheels),
-may (or may not) include it.</p></li>
-<li><p>Stop using appveyor and deprecated ci-helpers (closes <a class="reference external" href="https://github.com/PyTables/PyTables/issues/827">gh-827</a>).</p></li>
-<li><p>Switch to <cite>git submodule</cite> for the management of vendored c-blosc sources.</p></li>
-<li><p>CI moved to GitHub Actions (GHA).</p></li>
-<li><p>Drop Travis-CI.</p></li>
-<li><p>Improved code formatting and notation consistency (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/873">gh-873</a>,
-<a class="reference external" href="https://github.com/PyTables/PyTables/issues/868">gh-868</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/issues/865">gh-865</a> thanks to Miroslav Šedivý).</p></li>
-<li><p>Improve the use of modern Python including <code class="xref py py-mod docutils literal notranslate"><span class="pre">pathlib</span></code>, f-strings
-(<a class="reference external" href="https://github.com/PyTables/PyTables/issues/859">gh-859</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/issues/855">gh-855</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/issues/839">gh-839</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/818">gh-818</a>
-thanks to Miroslav Šedivý).</p></li>
-<li><p>Several improvements to wheels generation in CI
-(thanks to Andreas Motl &#64;amotl and Matthias &#64;xmatthias).</p></li>
-<li><p>Simplified management of version information.</p></li>
-<li><p>Drop dependency on the deprecated distutils.</p></li>
-<li><p>Modernize the setup script and add support for PEP517 (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/907">gh-907</a>).</p></li>
-</ul>
-</section>
-<section id="bugfixes">
-<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 PR #792.</p></li>
-<li><p>Fix ROFileNode fails to return the <cite>fileno()</cite> (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/633">gh-633</a>).</p></li>
-<li><p>Do not flush read only files (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/915">gh-915</a> thanks to &#64;lrepiton).</p></li>
-</ul>
-</section>
-<section id="id2">
-<h3>Other changes<a class="headerlink" href="#id2" 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
-now deprecated please use the coresponding <a class="reference internal" href="../usersguide/libref/top_level.html#tables.__version__" title="tables.__version__"><code class="xref py py-data docutils literal notranslate"><span class="pre">tables.__version__</span></code></a> and
-<a class="reference internal" href="../usersguide/libref/top_level.html#tables.hdf5_version" title="tables.hdf5_version"><code class="xref py py-data docutils literal notranslate"><span class="pre">tables.hdf5_version</span></code></a> instead.</p></li>
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+  <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>
+<dl class="field-list simple">
+<dt class="field-odd">Author<span class="colon">:</span></dt>
+<dd class="field-odd"><p>PyTables Developers</p>
+</dd>
+<dt class="field-even">Contact<span class="colon">:</span></dt>
+<dd class="field-even"><p><a class="reference external" href="mailto:pytables-dev&#37;&#52;&#48;googlegroups&#46;com">pytables-dev<span>&#64;</span>googlegroups<span>&#46;</span>com</a></p>
+</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>
+<section id="new-features">
+<h3>New features<a class="headerlink" href="#new-features" title="Link 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>).
+See “Multidimensional slicing and chunk/block sizes” in the User’s Guide.
+Thanks to Marta Iborra and Ivan Vilata.  This development was funded by a
+NumFOCUS grant.</p></li>
+<li><p>Add basic API for column-level attributes as <cite>Col._v_col_attrs</cite> (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/893">gh-893</a>
+and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/821">gh-821</a>).  Thanks to Jonathan Wheeler, Thorben Menne, Ezequiel
+Cimadevilla Alvarez, odidev, Sander Roet, Antonio Valentino, Munehiro
+Nishida, Zbigniew Jędrzejewski-Szmek, Laurent Repiton, xmatthias, Logan
+Kilpatrick.</p></li>
+</ul>
+</section>
+<section id="other-changes">
+<h3>Other changes<a class="headerlink" href="#other-changes" title="Link 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>
+<li><p>Drop wheels and automated testing for Python 3.8; users or distributions may
+still build and test with Python 3.8 on their own (see <a class="reference external" href="https://github.com/PyTables/PyTables/commit/ae1e60e">commit ae1e60e</a> and
+<a class="reference external" href="https://github.com/PyTables/PyTables/commit/47f5946">commit 47f5946</a>).</p></li>
+<li><p>New benchmark for ERA5 climate data.  Thanks to Óscar Guiñón.</p></li>
+<li><p>New “100 trillion baby” benchmark.  Thanks to Francesc Alted.</p></li>
+<li><p>New benchmark for querying meteorologic data.  Thanks to Francesc Alted.</p></li>
+</ul>
+</section>
+<section id="improvements">
+<h3>Improvements<a class="headerlink" href="#improvements" title="Link 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>,
+<a class="reference external" href="https://github.com/PyTables/PyTables/pull/999">gh-999</a>).  Thanks to Francesc Alted and Mark Kittisopikul.</p></li>
+<li><p>Improve <cite>setup.py</cite> (now using <cite>pyproject.toml</cite> as per PEP 518) and <cite>blosc2</cite>
+discovery mechanism.  Blosc2 may be used both via python-blosc2 or system
+c-blosc2 (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/987">gh-987</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/pull/1000">gh-1000</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/issues/998">gh-998</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/pull/1017">gh-1017</a>,
+<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1045">gh-1045</a>). Thanks to Antonio Valentino, Ben Greiner, Iwo-KX, nega.</p></li>
+<li><p>Enable compatibility with Cython 3 (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1008">gh-1008</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/1003">gh-1003</a>).  Thanks
+to Matus Valo and Michał Górny.</p></li>
+<li><p>Set GitHub workflow permissions to least privileges (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1007">gh-1007</a>).  Thanks to
+Joyce Brum.</p></li>
+<li><p>Add <cite>SECURITY.md</cite> with security policy (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1012">gh-1012</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/issues/1011">gh-1011</a>).
+Thanks to Joyce Brum.</p></li>
+<li><p>Handle py-cpuinfo missing in some platforms (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1013">gh-1013</a>).  Thanks to Sam
+James.</p></li>
+<li><p>Avoid NumPy &gt;= 1.25 deprecations, use <cite>numpy.all</cite>, <cite>numpy.any</cite>,
+etc. instead.  Thanks to Antonio Valentino.</p></li>
+<li><p>Avoid C-related build warnings.  Thanks to Antonio Valentino.</p></li>
+<li><p>Streamline CI wheel building &amp; testing with <cite>cibuildwheel</cite>, more clear
+distinctions between build and runtime dependencies.</p></li>
+<li><p>Update included c-blosc to v1.21.5 (fixes SSE2/AVX build issue).</p></li>
+<li><p>Require python-blosc2 &gt;= 2.2.8 or c-blosc2 &gt;= 2.10.4 (Python 3.12 support
+and assorted fixes).</p></li>
+<li><p>Update external libraries for CI-based wheel builds (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1018">gh-1018</a> and
+<a class="reference external" href="https://github.com/PyTables/PyTables/issues/967">gh-967</a>):</p>
+<ul>
+<li><p>hdf5 v1.14.2</p></li>
+<li><p>lz4 v1.9.4</p></li>
+<li><p>zlib v1.2.13</p></li>
+</ul>
+</li>
+</ul>
+</section>
+<section id="bugfixes">
+<h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Link 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>
+<li><p>Fix compatibility with NumExpr v2.8.5 (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1046">gh-1046</a>).  Thanks to Antonio
+Valentino.</p></li>
+<li><p>Fix build errors on Windows ARM64 (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/989">gh-989</a>).  Thanks to Cristoph Gohlke.</p></li>
+<li><p>Fix <cite>ptrepack</cite> failures with external links (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/938">gh-938</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/pull/990">gh-990</a>).
+Thanks to Adrian Altenhoff.</p></li>
+<li><p>Replace stderr messages with Python warnings (<a class="reference external" href="https://github.com/PyTables/PyTables/issues/992">gh-992</a> and <a class="reference external" href="https://github.com/PyTables/PyTables/pull/993">gh-993</a>).
+Thanks to Maximilian Linhoff.</p></li>
+<li><p>Fixes to CI workflow and wheel building (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1009">gh-1009</a>, <a class="reference external" href="https://github.com/PyTables/PyTables/pull/1047">gh-1047</a>).  Thanks to
+Antonio Valentino.</p></li>
+<li><p>Fix garbled rendering of <cite>File.get_node</cite> docstring (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1021">gh-1021</a>).  Thanks to
+Steffen Rehberg.</p></li>
+<li><p>Fix open <cite>extern “C”</cite> block (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1026">gh-1026</a>).  Thanks to Ivan Vilata.</p></li>
+<li><p>Fix Cython slice indexing under Python 3.12 (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1033">gh-1033</a>).  Thanks to
+Zbigniew Jędrzejewski-Szmek.</p></li>
+<li><p>Fix unsafe temporary file creation in benchmark (<a class="reference external" href="https://github.com/PyTables/PyTables/pull/1053">gh-1053</a>).  Thanks to Al
+Arafat Tanin (Project Alpha-Omega).</p></li>
+</ul>
+</section>
+<section id="thanks">
+<h3>Thanks<a class="headerlink" href="#thanks" title="Link to this heading">¶</a></h3>
+<p>In alphabetical order:</p>
+<ul class="simple">
+<li><p>Adrian Altenhoff</p></li>
+<li><p>Al Arafat Tanin</p></li>
+<li><p>Antonio Valentino</p></li>
+<li><p>Ben Greiner</p></li>
+<li><p>Cristoph Gohlke</p></li>
+<li><p>Ezequiel Cimadevilla Alvarez</p></li>
+<li><p>Francesc Alted</p></li>
+<li><p>Ivan Vilata</p></li>
+<li><p>Iwo-KX</p></li>
+<li><p>Jonathan Wheeler</p></li>
+<li><p>Joyce Brum</p></li>
+<li><p>Laurent Repiton</p></li>
+<li><p>Logan Kilpatrick</p></li>
+<li><p>Mark Kittisopikul</p></li>
+<li><p>Marta Iborra</p></li>
+<li><p>Matus Valo</p></li>
+<li><p>Maximilian Linhoff</p></li>
+<li><p>Michał Górny</p></li>
+<li><p>Munehiro Nishida</p></li>
+<li><p>nega</p></li>
+<li><p>odidev</p></li>
+<li><p>Óscar Guiñón</p></li>
+<li><p>Sam James</p></li>
+<li><p>Sander Roet</p></li>
+<li><p>Seth Troisi</p></li>
+<li><p>Steffen Rehberg</p></li>
+<li><p>Thorben Menne</p></li>
+<li><p>xmatthias</p></li>
+<li><p>Zbigniew Jędrzejewski-Szmek</p></li>
+</ul>
+</section>
+</section>
+</section>
+
+
+           </div>
+          </div>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
+        <a href="../MIGRATING_TO_2.x.html" class="btn btn-neutral float-left" title="Migrating from PyTables 1.x to 2.x" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="RELEASE_NOTES_v3.8.x.html" class="btn btn-neutral float-right" title="Release notes for PyTables 3.8 series" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+    </div>
+
+  <hr/>
+
+  <div role="contentinfo">
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
+  </div>
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+
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+</html>
\ No newline at end of file
diff --git a/release_notes.html b/release_notes.html
index c4d8ee0..dddeb9a 100644
--- a/release_notes.html
+++ b/release_notes.html
@@ -1,48 +1,21 @@
-
-
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 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>PyTables Release Notes &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>PyTables Release Notes &mdash; PyTables 3.9.0 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" />
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-    <script type="text/javascript" src="_static/js/theme.js"></script>
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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 src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
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     <link rel="next" title="Migrating from PyTables 1.x to 2.x" href="MIGRATING_TO_2.x.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
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-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="index.html">
-          
-
           
+          <a href="index.html">
             
-            <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
-            
-              
-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1"><a class="reference internal" href="usersguide/index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="cookbook/index.html">Cookbook</a></li>
@@ -124,8 +71,9 @@
 </ul>
 </li>
 <li class="toctree-l2"><a class="reference internal" href="#pytables">PyTables</a><ul>
-<li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.9.x.html">Release notes for PyTables 3.9 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l3"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -172,75 +120,34 @@
 <li class="toctree-l1"><a class="reference internal" href="dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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     </nav>
 
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-        
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>PyTables Release Notes</li>
-    
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+      <li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
+      <li class="breadcrumb-item active">PyTables Release Notes</li>
       <li class="wy-breadcrumbs-aside">
-        
-          
             <a href="_sources/release_notes.rst.txt" rel="nofollow"> View page source</a>
-          
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="pytables-release-notes">
-<h1>PyTables Release Notes<a class="headerlink" href="#pytables-release-notes" title="Permalink to this heading">¶</a></h1>
+<h1>PyTables Release Notes<a class="headerlink" href="#pytables-release-notes" title="Link to this heading">¶</a></h1>
 <section id="migration">
-<h2>Migration<a class="headerlink" href="#migration" title="Permalink to this heading">¶</a></h2>
+<h2>Migration<a class="headerlink" href="#migration" title="Link 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>
@@ -249,11 +156,12 @@ <h2>Migration<a class="headerlink" href="#migration" title="Permalink to this he
 </div>
 </section>
 <section id="pytables">
-<h2>PyTables<a class="headerlink" href="#pytables" title="Permalink to this heading">¶</a></h2>
+<h2>PyTables<a class="headerlink" href="#pytables" title="Link to this heading">¶</a></h2>
 <div class="toctree-wrapper compound">
 <ul>
-<li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.9 series</a></li>
-<li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.9 series</a></li>
+<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>
+<li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.8.x.html">Release notes for PyTables 3.8 series</a></li>
+<li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.7.x.html">Release notes for PyTables 3.7 series</a></li>
 <li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.6.x.html">Release notes for PyTables 3.6 series</a></li>
 <li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.5.x.html">Release notes for PyTables 3.5 series</a></li>
 <li class="toctree-l1"><a class="reference internal" href="release-notes/RELEASE_NOTES_v3.4.x.html">Release notes for PyTables 3.4 series</a></li>
@@ -288,7 +196,7 @@ <h2>PyTables<a class="headerlink" href="#pytables" title="Permalink to this head
 </div>
 </section>
 <section id="pytables-pro">
-<h2>PyTables Pro<a class="headerlink" href="#pytables-pro" title="Permalink to this heading">¶</a></h2>
+<h2>PyTables Pro<a class="headerlink" href="#pytables-pro" title="Link 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>
@@ -298,302 +206,322 @@ <h2>PyTables Pro<a class="headerlink" href="#pytables-pro" title="Permalink to t
 </div>
 </section>
 <section id="release-timeline">
-<h2>Release timeline<a class="headerlink" href="#release-timeline" title="Permalink to this heading">¶</a></h2>
+<h2>Release timeline<a class="headerlink" href="#release-timeline" title="Link 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>
+</tr>
+<tr class="row-even"><td><p>PyTables</p></td>
+<td><p>3.8.0</p></td>
+<td><p>2022-12-23</p></td>
+</tr>
+<tr class="row-odd"><td><p>PyTables</p></td>
+<td><p>3.7.0</p></td>
+<td><p>2021-12-28</p></td>
+</tr>
+<tr class="row-even"><td><p>PyTables</p></td>
+<td><p>3.6.1</p></td>
+<td><p>2019-10-28</p></td>
+</tr>
+<tr class="row-odd"><td><p>PyTables</p></td>
+<td><p>3.6.0</p></td>
+<td><p>2019-10-14</p></td>
+</tr>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.5.2</p></td>
 <td><p>2019-05-31</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.5.1</p></td>
 <td><p>2019-03-14</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.5.0</p></td>
 <td><p>2019-03-13</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.4.4</p></td>
 <td><p>2018-06-11</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.4.3</p></td>
 <td><p>2018-04-17</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.4.2</p></td>
 <td><p>2017-04-19</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.4.1</p></td>
 <td><p>2017-04-12</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.4.0</p></td>
 <td><p>2017-04-11</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.3.0</p></td>
 <td><p>2016-09-12</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.2.3.1</p></td>
 <td><p>2016-07-05</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.2.3</p></td>
 <td><p>2016-07-04</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.2.2</p></td>
 <td><p>2015-09-22</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.2.1.1</p></td>
 <td><p>2015-08-31</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.2.1</p></td>
 <td><p>2015-08-04</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.2.0</p></td>
 <td><p>2015-05-06</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.2.0rc2</p></td>
 <td><p>2015-05-01</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.2.0rc1</p></td>
 <td><p>2015-04-21</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.1.1</p></td>
 <td><p>2014-03-25</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.1.0</p></td>
 <td><p>2014-02-05</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.1.0rc2</p></td>
 <td><p>2014-01-22</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.1.0rc1</p></td>
 <td><p>2014-01-17</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.0</p></td>
 <td><p>2013-06-01</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.0rc3</p></td>
 <td><p>2013-05-29</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.0rc2</p></td>
 <td><p>2013-05-17</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>3.0rc1</p></td>
 <td><p>2013-05-10</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>3.0b1</p></td>
 <td><p>2013-04-27</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>2.4</p></td>
 <td><p>2012-07-20</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>2.4rc1</p></td>
 <td><p>2012-07-16</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>2.4b1</p></td>
 <td><p>2012-07-07</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>2.3.1</p></td>
 <td><p>2011-10-28</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>2.3</p></td>
 <td><p>2011-09-23</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>2.3rc1</p></td>
 <td><p>2011-09-11</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>2.2.1</p></td>
 <td><p>2010-11-05</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>2.2.1rc1</p></td>
 <td><p>2010-11-03</p></td>
 </tr>
-<tr class="row-odd"><td><p>Pytables</p></td>
+<tr class="row-even"><td><p>Pytables</p></td>
 <td><p>2.2</p></td>
 <td><p>2010-07-01</p></td>
 </tr>
-<tr class="row-even"><td><p>PyTables</p></td>
+<tr class="row-odd"><td><p>PyTables</p></td>
 <td><p>2.2rc2</p></td>
 <td><p>2010-06-17</p></td>
 </tr>
-<tr class="row-odd"><td><p>PyTables</p></td>
+<tr class="row-even"><td><p>PyTables</p></td>
 <td><p>2.2rc1</p></td>
 <td><p>2010-05-20</p></td>
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-<tr class="row-even"><td><p>PyTables</p></td>
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How can I get support?": [[0, "i-m-having-problems-how-can-i-get-support"]], "Why HDF5?": [[0, "why-hdf5"]], "Why Python?": [[0, "why-python"]], "Why NumPy?": [[0, "why-numpy"]], "Where can PyTables be applied?": [[0, "where-can-pytables-be-applied"]], "Is PyTables safe?": [[0, "is-pytables-safe"]], "Can PyTables be used in concurrent access scenarios?": [[0, "can-pytables-be-used-in-concurrent-access-scenarios"]], "What kind of containers does PyTables implement?": [[0, "what-kind-of-containers-does-pytables-implement"]], "Cool! I\u2019d like to see some examples of use.": [[0, "cool-i-d-like-to-see-some-examples-of-use"]], "Can you show me some screenshots?": [[0, "can-you-show-me-some-screenshots"]], "Is PyTables a replacement for a relational database?": [[0, "is-pytables-a-replacement-for-a-relational-database"]], "How can PyTables be fast if it is written in an interpreted language like Python?": [[0, "how-can-pytables-be-fast-if-it-is-written-in-an-interpreted-language-like-python"]], "If it is designed to deal with very large datasets, then PyTables should consume a lot of memory, shouldn\u2019t it?": [[0, "if-it-is-designed-to-deal-with-very-large-datasets-then-pytables-should-consume-a-lot-of-memory-shouldn-t-it"]], "Why was PyTables born?": [[0, "why-was-pytables-born"]], "How does PyTables compare with the h5py project?": [[0, "how-does-pytables-compare-with-the-h5py-project"]], "I\u2019ve found a bug.  What do I do?": [[0, "i-ve-found-a-bug-what-do-i-do"]], "Is it possible to get involved in PyTables development?": [[0, "is-it-possible-to-get-involved-in-pytables-development"]], "How can I cite PyTables?": [[0, "how-can-i-cite-pytables"]], "PyTables 2.x issues": [[0, "pytables-2-x-issues"]], "I\u2019m having problems migrating my apps from PyTables 1.x into PyTables 2.x. Please, help!": [[0, "i-m-having-problems-migrating-my-apps-from-pytables-1-x-into-pytables-2-x-please-help"]], "For combined searches like table.where(\u2018(x<5) & (x>3)\u2019), why was a & operator chosen instead of an and?": [[0, "for-combined-searches-like-table-where-x-5-x-3-why-was-a-operator-chosen-instead-of-an-and"]], "I can not select rows using in-kernel queries with a condition that involves an UInt64Col. Why?": [[0, "i-can-not-select-rows-using-in-kernel-queries-with-a-condition-that-involves-an-uint64col-why"]], "I\u2019m already using PyTables 2.x but I\u2019m still getting numarray objects instead of NumPy ones!": [[0, "i-m-already-using-pytables-2-x-but-i-m-still-getting-numarray-objects-instead-of-numpy-ones"]], "Installation issues": [[0, "installation-issues"]], "Windows": [[0, "windows"]], "Error when importing tables": [[0, "error-when-importing-tables"]], "Todo": [[0, "id2"], [7, "id1"], [8, "id1"], [13, "id1"], [53, "id2"], [75, "id1"], [75, "id2"]], "Migrating from PyTables 1.x to 2.x": [[1, "migrating-from-pytables-1-x-to-2-x"]], "New type system": [[1, "new-type-system"]], "Important changes in Atom specification": [[1, "important-changes-in-atom-specification"]], "New query system": [[1, "new-query-system"]], "New indexing system": [[1, "new-indexing-system"]], "New meanings for atom shape and *Array shape argument": [[1, "new-meanings-for-atom-shape-and-array-shape-argument"]], "New argument chunkshape of chunked leaves": [[1, "new-argument-chunkshape-of-chunked-leaves"]], "New flavor specification": [[1, "new-flavor-specification"]], "System attributes can be deleted now": [[1, "system-attributes-can-be-deleted-now"]], "Byteorder issues": [[1, "byteorder-issues"]], "Tunable internal buffer sizes": [[1, "tunable-internal-buffer-sizes"]], "Changes to module names": [[1, "changes-to-module-names"]], "Other changes": [[1, "other-changes"], [37, "other-changes"], [37, "id2"], [38, "other-changes"], [38, "id2"], [39, "other-changes"], [40, "other-changes"], [41, "other-changes"], [43, "other-changes"], [45, "other-changes"], [45, "id1"], [45, "id6"], [50, "other-changes"], [50, "id2"], [51, "other-changes"], [51, "id2"]], "Migrating from PyTables 2.x to 3.x": [[2, "migrating-from-pytables-2-x-to-3-x"]], "Python 3 at Last!": [[2, "python-3-at-last"]], "Numeric, Numarray, NetCDF3, & HDF5 1.6 No More!": [[2, "numeric-numarray-netcdf3-hdf5-1-6-no-more"]], "Unicode all the strings!": [[2, "unicode-all-the-strings"]], "Major API Changes": [[2, "major-api-changes"]], "PEP 8 Compliance": [[2, "pep-8-compliance"]], "Consistent create_xxx() Signatures": [[2, "consistent-create-xxx-signatures"]], "API Name Changes": [[2, "api-name-changes"]], "Using your own custom data types": [[3, "using-your-own-custom-data-types"]], "Hints for SQL users": [[4, "hints-for-sql-users"]], "Creating a new database": [[4, "creating-a-new-database"]], "A note on concurrency under PyTables": [[4, "a-note-on-concurrency-under-pytables"]], "Creating a table": [[4, "creating-a-table"]], "Table descriptions": [[4, "table-descriptions"]], "Column type declarations": [[4, "column-type-declarations"]], "Using a description": [[4, "using-a-description"]], "Creating an index": [[4, "creating-an-index"]], "Altering a table": [[4, "altering-a-table"]], "Dropping a table": [[4, "dropping-a-table"]], "Inserting data": [[4, "inserting-data"]], "A note on transactions": [[4, "a-note-on-transactions"]], "Updating data": [[4, "updating-data"]], "Deleting data": [[4, "deleting-data"]], "Reading data": [[4, "reading-data"]], "Iterating over rows": [[4, "iterating-over-rows"]], "Reading rows at once": [[4, "reading-rows-at-once"]], "Selecting data": [[4, "selecting-data"]], "Iterating over selected rows": [[4, "iterating-over-selected-rows"]], "Reading selected rows at once": [[4, "reading-selected-rows-at-once"]], "Getting the coordinates of selected rows": [[4, "getting-the-coordinates-of-selected-rows"]], "A note on table joins": [[4, "a-note-on-table-joins"]], "Summary of row selection methods": [[4, "summary-of-row-selection-methods"]], "Sorting the results of a selection": [[4, "sorting-the-results-of-a-selection"]], "Grouping the results of a selection": [[4, "grouping-the-results-of-a-selection"]], "PyTables Cookbook": [[5, "pytables-cookbook"]], "Contents": [[5, "contents"], [15, "contents"], [58, "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 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"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, 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"driver_core_backing_store (in module tables.parameters)": [[74, "tables.parameters.DRIVER_CORE_BACKING_STORE"]], "driver_core_image (in module tables.parameters)": [[74, "tables.parameters.DRIVER_CORE_IMAGE"]], "driver_core_increment (in module tables.parameters)": [[74, "tables.parameters.DRIVER_CORE_INCREMENT"]], "driver_direct_alignment (in module tables.parameters)": [[74, "tables.parameters.DRIVER_DIRECT_ALIGNMENT"]], "driver_direct_block_size (in module tables.parameters)": [[74, "tables.parameters.DRIVER_DIRECT_BLOCK_SIZE"]], "driver_direct_cbuf_size (in module tables.parameters)": [[74, "tables.parameters.DRIVER_DIRECT_CBUF_SIZE"]], "driver_split_meta_ext (in module tables.parameters)": [[74, "tables.parameters.DRIVER_SPLIT_META_EXT"]], "driver_split_raw_ext (in module tables.parameters)": [[74, "tables.parameters.DRIVER_SPLIT_RAW_EXT"]], "enable_every_cycles (in module tables.parameters)": [[74, "tables.parameters.ENABLE_EVERY_CYCLES"]], "expected_rows_earray (in module 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\ No newline at end of file
diff --git a/usersguide/bibliography.html b/usersguide/bibliography.html
index 715cf36..bd01dcb 100644
--- a/usersguide/bibliography.html
+++ b/usersguide/bibliography.html
@@ -1,48 +1,21 @@
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 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
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-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  <title>Bibliography &mdash; PyTables 3.8.1.dev0 documentation</title>
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+  <title>Bibliography &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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@@ -61,55 +34,29 @@
 
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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       <div class="wy-side-scroll">
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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-
-          
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               <div class="version">
-                3.8.1.dev0
+                3.9.0
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   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
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@@ -123,75 +70,33 @@
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 </ul>
 
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-        
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-      <li>Bibliography</li>
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+      <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>
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+             
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-<h1>Bibliography<a class="headerlink" href="#bibliography" title="Permalink to this heading">¶</a></h1>
+<h1>Bibliography<a class="headerlink" href="#bibliography" title="Link 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
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@@ -332,50 +237,33 @@ <h1>Bibliography<a class="headerlink" href="#bibliography" title="Permalink to t
 
 
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-    <p>
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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diff --git a/usersguide/condition_syntax.html b/usersguide/condition_syntax.html
index faeeec9..1053cf0 100644
--- a/usersguide/condition_syntax.html
+++ b/usersguide/condition_syntax.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-
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+  <title>Condition Syntax &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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@@ -61,55 +34,29 @@
 
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+                3.9.0
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
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@@ -123,75 +70,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-        
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-        
-      <li>Condition Syntax</li>
-    
-    
+      <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>
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-        
-          
             <a href="../_sources/usersguide/condition_syntax.rst.txt" rel="nofollow"> View page source</a>
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-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="condition-syntax">
-<span id="id1"></span><h1>Condition Syntax<a class="headerlink" href="#condition-syntax" title="Permalink to this heading">¶</a></h1>
+<span id="id1"></span><h1>Condition Syntax<a class="headerlink" href="#condition-syntax" title="Link 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
@@ -298,50 +203,33 @@
 
 
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+        <a href="parameter_files.html" class="btn btn-neutral float-right" title="PyTables parameter files" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
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-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/datatypes.html b/usersguide/datatypes.html
index 3b565e5..2f5366c 100644
--- a/usersguide/datatypes.html
+++ b/usersguide/datatypes.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  <title>Supported data types in PyTables &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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+  <title>Supported data types in PyTables &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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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 src="../_static/js/theme.js"></script>
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     <link rel="next" title="Condition Syntax" href="condition_syntax.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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       <div class="wy-side-scroll">
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-          
 
           
-            <a href="../index.html">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
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-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,75 +70,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
-        
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-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/usersguide/datatypes.rst.txt" rel="nofollow"> View page source</a>
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-    
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-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link 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
@@ -255,7 +160,7 @@
 <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="Permalink to this table">¶</a></caption>
+         PyTables.</strong></span><a class="headerlink" href="#id10" title="Link 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>
@@ -456,50 +361,33 @@
 
 
            </div>
-           
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="condition_syntax.html" class="btn btn-neutral float-right" title="Condition Syntax" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/file_format.html b/usersguide/file_format.html
index e565faa..f78bc5b 100644
--- a/usersguide/file_format.html
+++ b/usersguide/file_format.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>PyTables File Format &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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-
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-  
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+  <title>PyTables File Format &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
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-          
-
-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,75 +70,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
-        
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/usersguide/file_format.rst.txt" rel="nofollow"> View page source</a>
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-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="pytables-file-format">
-<h1>PyTables File Format<a class="headerlink" href="#pytables-file-format" title="Permalink to this heading">¶</a></h1>
+<h1>PyTables File Format<a class="headerlink" href="#pytables-file-format" title="Link 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
@@ -217,7 +122,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Mandatory attributes for a File<a class="headerlink" href="#mandatory-attributes-for-a-file" title="Link 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>
@@ -232,7 +137,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Mandatory attributes for a Group<a class="headerlink" href="#mandatory-attributes-for-a-group" title="Link 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>
@@ -242,7 +147,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Optional attributes for a Group<a class="headerlink" href="#optional-attributes-for-a-group" title="Link 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
@@ -262,12 +167,12 @@ <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<span id="tableformatdescr"></span><h3>Table format<a class="headerlink" href="#table-format" title="Link to this heading">¶</a></h3>
 <section id="mandatory-attributes">
-<h4>Mandatory attributes<a class="headerlink" href="#mandatory-attributes" title="Permalink to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#mandatory-attributes" title="Link 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>
@@ -288,11 +193,11 @@ <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="Permalink to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#storage-layout" title="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#datatypes-supported" title="Link 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>
@@ -375,9 +280,9 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Array format<a class="headerlink" href="#array-format" title="Link to this heading">¶</a></h3>
 <section id="id1">
-<h4>Mandatory attributes<a class="headerlink" href="#id1" title="Permalink to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id1" title="Link 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>
@@ -387,12 +292,12 @@ <h4>Mandatory attributes<a class="headerlink" href="#id1" title="Permalink to th
 </ul>
 </section>
 <section id="id2">
-<h4>Storage Layout<a class="headerlink" href="#id2" title="Permalink to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id2" title="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#id3" title="Link 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,
@@ -409,9 +314,9 @@ <h4>Datatypes supported<a class="headerlink" href="#id3" title="Permalink to thi
 </section>
 </section>
 <section id="carray-format">
-<h3>CArray format<a class="headerlink" href="#carray-format" title="Permalink to this heading">¶</a></h3>
+<h3>CArray format<a class="headerlink" href="#carray-format" title="Link to this heading">¶</a></h3>
 <section id="id4">
-<h4>Mandatory attributes<a class="headerlink" href="#id4" title="Permalink to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id4" title="Link 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>
@@ -421,11 +326,11 @@ <h4>Mandatory attributes<a class="headerlink" href="#id4" title="Permalink to th
 </ul>
 </section>
 <section id="id5">
-<h4>Storage Layout<a class="headerlink" href="#id5" title="Permalink to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id5" title="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#id6" title="Link 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,
@@ -442,9 +347,9 @@ <h4>Datatypes supported<a class="headerlink" href="#id6" title="Permalink to thi
 </section>
 </section>
 <section id="earray-format">
-<h3>EArray format<a class="headerlink" href="#earray-format" title="Permalink to this heading">¶</a></h3>
+<h3>EArray format<a class="headerlink" href="#earray-format" title="Link to this heading">¶</a></h3>
 <section id="id7">
-<h4>Mandatory attributes<a class="headerlink" href="#id7" title="Permalink to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id7" title="Link 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>
@@ -456,11 +361,11 @@ <h4>Mandatory attributes<a class="headerlink" href="#id7" title="Permalink to th
 </ul>
 </section>
 <section id="id8">
-<h4>Storage Layout<a class="headerlink" href="#id8" title="Permalink to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id8" title="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Datatypes supported<a class="headerlink" href="#id9" title="Link 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
@@ -472,9 +377,9 @@ <h4>Datatypes supported<a class="headerlink" href="#id9" title="Permalink to thi
 </section>
 </section>
 <section id="vlarray-format">
-<span id="vlarrayformatdescr"></span><h3>VLArray format<a class="headerlink" href="#vlarray-format" title="Permalink to this heading">¶</a></h3>
+<span id="vlarrayformatdescr"></span><h3>VLArray format<a class="headerlink" href="#vlarray-format" title="Link to this heading">¶</a></h3>
 <section id="id10">
-<h4>Mandatory attributes<a class="headerlink" href="#id10" title="Permalink to this heading">¶</a></h4>
+<h4>Mandatory attributes<a class="headerlink" href="#id10" title="Link 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>
@@ -488,11 +393,11 @@ <h4>Mandatory attributes<a class="headerlink" href="#id10" title="Permalink to t
 </ul>
 </section>
 <section id="id11">
-<h4>Storage Layout<a class="headerlink" href="#id11" title="Permalink to this heading">¶</a></h4>
+<h4>Storage Layout<a class="headerlink" href="#id11" title="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Data types supported<a class="headerlink" href="#data-types-supported" title="Link 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
@@ -519,7 +424,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Optional attributes for Leaves<a class="headerlink" href="#optional-attributes-for-leaves" title="Link 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
@@ -541,50 +446,33 @@ <h2>Optional attributes for Leaves<a class="headerlink" href="#optional-attribut
 
 
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/usersguide/filenode.html b/usersguide/filenode.html
index ddc9123..8d540d1 100644
--- a/usersguide/filenode.html
+++ b/usersguide/filenode.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
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   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>filenode - simulating a filesystem with PyTables &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
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-  
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+  <title>filenode - simulating a filesystem with PyTables &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
-        <script src="../_static/jquery.js"></script>
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Supported data types in PyTables" href="datatypes.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,77 +70,35 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-
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-
-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink 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="Link to this heading">¶</a></h1>
 <section id="what-is-filenode">
-<h2>What is filenode?<a class="headerlink" href="#what-is-filenode" title="Permalink to this heading">¶</a></h2>
+<h2>What is filenode?<a class="headerlink" href="#what-is-filenode" title="Link 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
@@ -227,7 +132,7 @@ <h2>What is filenode?<a class="headerlink" href="#what-is-filenode" title="Perma
 </ul>
 </section>
 <section id="finding-a-filenode-node">
-<h2>Finding a filenode node<a class="headerlink" href="#finding-a-filenode-node" title="Permalink to this heading">¶</a></h2>
+<h2>Finding a filenode node<a class="headerlink" href="#finding-a-filenode-node" title="Link 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
@@ -235,7 +140,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>filenode - simulating files inside PyTables<a class="headerlink" href="#filenode-simulating-files-inside-pytables" title="Link 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>
@@ -262,7 +167,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Creating a new file node<a class="headerlink" href="#creating-a-new-file-node" title="Link 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
@@ -293,16 +198,16 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Using a file node<a class="headerlink" href="#using-a-file-node" title="Link 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="go">&gt;&gt;&gt;</span>
+<span class="gp">&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="go">&gt;&gt;&gt;</span>
+<span class="gp">&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>
@@ -327,7 +232,7 @@ <h3>Using a file node<a class="headerlink" href="#using-a-file-node" title="Perm
 </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="Permalink to this heading">¶</a></h3>
+<h3>Opening an existing file node<a class="headerlink" href="#opening-an-existing-file-node" title="Link 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
@@ -368,7 +273,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Adding metadata to a file node<a class="headerlink" href="#adding-metadata-to-a-file-node" title="Link 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,
@@ -419,7 +324,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Complementary notes<a class="headerlink" href="#complementary-notes" title="Link 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
@@ -434,7 +339,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Current limitations<a class="headerlink" href="#current-limitations" title="Link 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">
@@ -457,50 +362,33 @@ <h2>Current limitations<a class="headerlink" href="#current-limitations" title="
 
 
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-           
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-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="datatypes.html" class="btn btn-neutral float-right" title="Supported data types in PyTables" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
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-    <p>
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/index.html b/usersguide/index.html
index 4873fd0..307913b 100644
--- a/usersguide/index.html
+++ b/usersguide/index.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>PyTables User’s Guide &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
-  
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-  
-
-  
+  <title>PyTables User’s Guide &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
-        <script src="../_static/jquery.js"></script>
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-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Introduction" href="introduction.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul class="current">
 <li class="toctree-l1 current"><a class="current reference internal" href="#">User’s Guide</a><ul>
 <li class="toctree-l2"><a class="reference internal" href="#hierarchical-datasets-in-python">Hierarchical datasets in Python</a></li>
@@ -142,75 +89,34 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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     </nav>
 
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-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-<div role="navigation" aria-label="breadcrumbs navigation">
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>PyTables User’s Guide</li>
-    
-    
+      <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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/usersguide/index.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="pytables-user-s-guide">
-<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Permalink to this heading">¶</a></h1>
+<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Hierarchical datasets in Python<a class="headerlink" href="#hierarchical-datasets-in-python" title="Link 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,
@@ -220,12 +126,12 @@ <h2>Hierarchical datasets in Python<a class="headerlink" href="#hierarchical-dat
 <dd class="field-even"><p>© 2002, 2003, 2004 - Francesc Alted</p>
 <p>© 2005, 2006, 2007 - Cárabos Coop. V.</p>
 <p>© 2008, 2009, 2010 - Francesc Alted</p>
-<p>© 2011–2022 - PyTables maintainers</p>
+<p>© 2011–2023 - PyTables maintainers</p>
 </dd>
 </dl>
 </section>
 <section id="contents">
-<h2>Contents<a class="headerlink" href="#contents" title="Permalink to this heading">¶</a></h2>
+<h2>Contents<a class="headerlink" href="#contents" title="Link 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>
@@ -244,7 +150,7 @@ <h2>Contents<a class="headerlink" href="#contents" title="Permalink to this head
 </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="Permalink 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="Link 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>
@@ -273,50 +179,33 @@ <h2>Copyright Notice and Statement for PyTables User’s Guide<a class="headerli
 
 
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-          <footer>
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="../index.html" class="btn btn-neutral float-left" title="Welcome to PyTables’ documentation!" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="introduction.html" class="btn btn-neutral float-right" title="Introduction" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
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+  <script>
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diff --git a/usersguide/installation.html b/usersguide/installation.html
index d04a3da..9f1896b 100644
--- a/usersguide/installation.html
+++ b/usersguide/installation.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Installation &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
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-  
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+  <title>Installation &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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   <!--[if lt IE 9]>
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   <![endif]-->
   
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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 src="../_static/js/theme.js"></script>
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     <link rel="next" title="Tutorials" href="tutorials.html" />
@@ -61,55 +34,29 @@
 
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-<body class="wy-body-for-nav">
-
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
-          
 
           
-            <a href="../index.html">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,75 +70,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/usersguide/installation.rst.txt" rel="nofollow"> View page source</a>
-          
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="installation">
-<h1>Installation<a class="headerlink" href="#installation" title="Permalink to this heading">¶</a></h1>
+<h1>Installation<a class="headerlink" href="#installation" title="Link 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>
@@ -201,12 +106,13 @@ <h1>Installation<a class="headerlink" href="#installation" title="Permalink to t
 package from sources you can go on reading to the next section.</p>
 <p>However, if you want to go straight to binaries that ‘just work’ for the main
 platforms (Linux, Mac OSX and Windows), you might want to use the excellent
-<a class="reference external" href="https://store.continuum.io/cshop/anaconda/">Anaconda</a>, <a class="reference external" href="https://www.activestate.com/activepython/downloads">ActivePython</a>, <a class="reference external" href="https://www.enthought.com/products/canopy/">Canopy</a> distributions.  PyTables usually distributes its own
-Windows binaries too; go <a class="reference internal" href="#binaryinstallationdescr"><span class="std std-ref">Binary installation (Windows)</span></a> for instructions.
+<a class="reference external" href="https://store.continuum.io/cshop/anaconda/">Anaconda</a>, <a class="reference external" href="https://www.activestate.com/activepython/downloads">ActivePython</a>, <a class="reference external" href="https://www.enthought.com/products/canopy/">Canopy</a> distributions.  PyTables usually distributes
+its own Windows binaries too; go <a class="reference internal" href="#binaryinstallationdescr"><span class="std std-ref">Binary installation (Windows)</span></a> for
+instructions.
 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="Permalink to this heading">¶</a></h2>
+<h2>Installation from source<a class="headerlink" href="#installation-from-source" title="Link 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.
@@ -220,24 +126,33 @@ <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="Permalink to this heading">¶</a></h3>
-<p>First, make sure that you have</p>
+<h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Link 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">
-<li><p><a class="reference external" href="http://www.python.org">Python</a> &gt;= 3.6 (PyTables-3.5 was the last release with Python 2.7 support)</p></li>
-<li><p><a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> &gt;= 1.10.5</p></li>
+<li><p><a class="reference external" href="http://www.python.org">Python</a> &gt;= 3.9 (Python 3.8 may work, but you may need to build/test yourself)</p></li>
+<li><p><a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> &gt;= 1.10.5 (although 1.14.0 or later is strongly recommended)</p></li>
+<li><p><a class="reference external" href="http://www.cython.org">Cython</a> &gt;= 0.29.32</p></li>
 <li><p><a class="reference external" href="http://www.numpy.org">NumPy</a> &gt;= 1.19.0</p></li>
 <li><p><a class="reference external" href="http://code.google.com/p/numexpr">Numexpr</a> &gt;= 2.6.2</p></li>
-<li><p><a class="reference external" href="http://www.cython.org">Cython</a> &gt;= 0.29.21</p></li>
+<li><p><a class="reference external" href="https://packaging.pypa.io">packaging</a></p></li>
+<li><p><a class="reference external" href="https://github.com/workhorsy/py-cpuinfo">py-cpuinfo</a></p></li>
 <li><p><a class="reference external" href="https://github.com/Blosc/c-blosc">c-blosc</a> &gt;= 1.11.1 (sources are bundled with PyTables sources but the user can
 use an external version of sources using the <span class="target" id="index-0"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code> environment
 variable or the <cite>–blosc</cite> flag of the <code class="file docutils literal notranslate"><span class="pre">setup.py</span></code>)</p></li>
-<li><p><a class="reference external" href="https://github.com/Blosc/python-blosc2">python-blosc2</a> ~= 2.0.0 This is the Python wheel containing <em>both</em> the C-Blosc2 libs
-and headers (&gt;= 2.6.0), as well as the Python wrapper for Blosc2 (not currently
-used, but it might be in the future).</p></li>
+<li><dl class="simple">
+<dt>Either</dt><dd><ul>
+<li><p><a class="reference external" href="https://github.com/Blosc/python-blosc2">python-blosc2</a> &gt;= 2.2.8, this is the Python wheel containing <em>both</em> the
+C-Blosc2 libs and headers (&gt;= 2.10.4), as well as the Python wrapper for
+Blosc2 (not currently used, but it might be in the future), or</p></li>
+<li><p>A standalone installation of the <a class="reference external" href="https://github.com/Blosc/c-blosc2">c-blosc2</a> library (&gt;= 2.10.4) including
+the headers.  The latter are usually provided by Linux distribtions in a
+package named <cite>blosc2-devel</cite>, <cite>libblosc2-dev</cite>, or similar.</p></li>
+</ul>
+</dd>
+</dl>
+</li>
 </ul>
-<p>installed (for testing purposes, we are using <a class="reference external" href="http://www.hdfgroup.org/HDF5">HDF5</a> 1.10.7, <a class="reference external" href="http://www.numpy.org">NumPy</a> 1.23.2
-and <a class="reference external" href="http://code.google.com/p/numexpr">Numexpr</a> 2.8.1 currently). If you don’t, fetch and install them before
-proceeding.</p>
 <p>Compile and install these packages (but see <a class="reference internal" href="#prerequisitesbininst"><span class="std std-ref">Windows prerequisites</span></a> for
 instructions on how to install pre-compiled binaries if you are not willing
 to compile the prerequisites on Windows systems).</p>
@@ -251,39 +166,79 @@ <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to
 in PyTables, so this will be used in case it is not found in the
 system.  So, in case the installer warns about not finding it, do not
 worry too much ;)</p>
+<p>Libraries are searched in system standard paths, and <cite>pkg-config</cite> is used,
+when available, to improve the automatic detection.</p>
+<p>If <cite>setup.py`</cite> can not find any of the needed libraries or if several
+versions of a library are installed, then it is possible to set the path
+to the particular resource using the environment.  The following environment
+variables can be used for the purpose:</p>
+<ul class="simple">
+<li><p><span class="target" id="index-1"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">HDF5_DIR</span></code>,</p></li>
+<li><p><span class="target" id="index-2"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LZO_DIR</span></code>,</p></li>
+<li><p><span class="target" id="index-3"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BZIP2_DIR</span></code>,</p></li>
+<li><p><span class="target" id="index-4"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code>, or</p></li>
+<li><p><span class="target" id="index-5"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC2_DIR</span></code></p></li>
+</ul>
+<p>One may also specify the locations of the resource root directories on the
+<cite>setup.py`</cite> command line.  The following options are available:</p>
+<ul class="simple">
+<li><p><cite>–hdf5</cite>,</p></li>
+<li><p><cite>–blosc</cite>,</p></li>
+<li><p><cite>–lzo</cite>,</p></li>
+<li><p><cite>–bzip2</cite>, or</p></li>
+<li><p><cite>–blosc2</cite></p></li>
+</ul>
+<blockquote>
+<div><ol class="arabic simple">
+<li><p>the command line arguments to <cite>setup.py</cite> (e.g. <cite>–blosc2</cite>) has the
+highest precedence</p></li>
+<li><p>If the command line argument for a specific library is not specified and
+the corresponding environment variables exists (e.g. <cite>BLOSC2_DIR</cite>),
+then its value is used.</p></li>
+<li><p>If the target library (<cite>blosc2</cite> in the example) can’t still be found,
+then <cite>pkg-config</cite> is used for further detection, if it is available.</p></li>
+<li><p>If the library is still not found, then a selection of hardcoded paths
+is used</p></li>
+</ol>
+</div></blockquote>
+<p>Please note that, for the specific case of Blosc2, the list of search paths
+also includes the ones used by the <cite>python-blosc2</cite> wheel package to install
+the relevant header files and libraries.</p>
 <p><strong>Unix</strong></p>
 <blockquote>
-<div><p>setup.py will detect HDF5, Blosc, LZO, or bzip2 libraries and include
-files under <code class="file docutils literal notranslate"><span class="pre">/usr</span></code> or <code class="file docutils literal notranslate"><span class="pre">/usr/local</span></code>; this will cover most
-manual installations as well as installations from packages.  If setup.py
-can not find libhdf5, libhdf5 (or liblzo, or libbz2 that you may wish to
-use) or if you have several versions of a library installed and want to
-use a particular one, then you can set the path to the resource in the
-environment, by setting the values of the <span class="target" id="index-1"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">HDF5_DIR</span></code>,
-<span class="target" id="index-2"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LZO_DIR</span></code>, <span class="target" id="index-3"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BZIP2_DIR</span></code> or <span class="target" id="index-4"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code> environment
-variables to the path to the particular resource. You may also specify the
+<div><p>setup.py will detect HDF5, Blosc, Blosc2, LZO, or bzip2 libraries and
+include files under <code class="file docutils literal notranslate"><span class="pre">/usr</span></code> or <code class="file docutils literal notranslate"><span class="pre">/usr/local</span></code>; this will cover
+most manual installations as well as installations from packages.
+If setup.py can not find libhdf5, libhdf5 (or liblzo, or libbz2 that
+you may wish to use) or if you have several versions of a library
+installed and want to use a particular one, then you can set the path
+to the resource in the environment, by setting the values of the
+<span class="target" id="index-6"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">HDF5_DIR</span></code>, <span class="target" id="index-7"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LZO_DIR</span></code>, <span class="target" id="index-8"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BZIP2_DIR</span></code>,
+<span class="target" id="index-9"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code> or <span class="target" id="index-10"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC2_DIR</span></code> environment variables to
+the path to the particular resource. You may also specify the
 locations of the resource root directories on the setup.py command line.
 For example:</p>
-<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o">--</span><span class="n">hdf5</span><span class="o">=/</span><span class="n">stuff</span><span class="o">/</span><span class="n">hdf5</span><span class="o">-</span><span class="mf">1.8.12</span>
-<span class="o">--</span><span class="n">blosc</span><span class="o">=/</span><span class="n">stuff</span><span class="o">/</span><span class="n">blosc</span><span class="o">-</span><span class="mf">1.8.1</span>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o">--</span><span class="n">hdf5</span><span class="o">=/</span><span class="n">stuff</span><span class="o">/</span><span class="n">hdf5</span><span class="o">-</span><span class="mf">1.14.2</span>
+<span class="o">--</span><span class="n">blosc</span><span class="o">=/</span><span class="n">stuff</span><span class="o">/</span><span class="n">blosc</span><span class="o">-</span><span class="mf">1.21.5</span>
 <span class="o">--</span><span class="n">lzo</span><span class="o">=/</span><span class="n">stuff</span><span class="o">/</span><span class="n">lzo</span><span class="o">-</span><span class="mf">2.02</span>
 <span class="o">--</span><span class="n">bzip2</span><span class="o">=/</span><span class="n">stuff</span><span class="o">/</span><span class="n">bzip2</span><span class="o">-</span><span class="mf">1.0.5</span>
+<span class="o">--</span><span class="n">blosc2</span><span class="o">=/</span><span class="n">stuff</span><span class="o">/</span><span class="n">blosc2</span><span class="o">-</span><span class="mf">2.10.3</span>
 </pre></div>
 </div>
 <p>If your HDF5 library was built as a shared library not in the runtime load
 path, then you can specify the additional linker flags needed to find the
 shared library on the command line as well. For example:</p>
-<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o">--</span><span class="n">lflags</span><span class="o">=</span><span class="s2">&quot;-Xlinker -rpath -Xlinker /stuff/hdf5-1.8.12/lib&quot;</span>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o">--</span><span class="n">lflags</span><span class="o">=</span><span class="s2">&quot;-Xlinker -rpath -Xlinker /stuff/hdf5-1.14.2/lib&quot;</span>
 </pre></div>
 </div>
-<p>You may also want to try setting the <span class="target" id="index-5"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LD_LIBRARY_PATH</span></code>
+<p>You may also want to try setting the <span class="target" id="index-11"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LD_LIBRARY_PATH</span></code>
 environment variable to point to the directory where the shared libraries
 can be found. Check your compiler and linker documentation as well as the
 Python Distutils documentation for the correct syntax or environment
 variable names.
 It is also possible to link with specific libraries by setting the
-<span class="target" id="index-6"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LIBS</span></code> environment variable:</p>
-<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">LIBS</span><span class="o">=</span><span class="s2">&quot;hdf5-1.8.12 nsl&quot;</span>
+<span class="target" id="index-12"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LIBS</span></code> environment variable:</p>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">LIBS</span><span class="o">=</span><span class="s2">&quot;hdf5-1.14.2 nsl&quot;</span>
 </pre></div>
 </div>
 <p>Starting from PyTables 3.2 can also query the <em>pkg-config</em> database to
@@ -293,7 +248,7 @@ <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python3 setup.py build --use-pkgconfig=FALSE
 </pre></div>
 </div>
-<p>or use the <span class="target" id="index-7"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">USE-PKGCONFIG</span></code> environment variable:</p>
+<p>or use the <span class="target" id="index-13"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">USE-PKGCONFIG</span></code> environment variable:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ env USE_PKGCONFIG=FALSE python3 setup.py build
 </pre></div>
 </div>
@@ -308,14 +263,16 @@ <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to
 Once you have installed the prerequisites, setup.py needs to know where
 the necessary library <em>stub</em> (.lib) and <em>header</em> (.h) files are installed.
 You can set the path to the include and dll directories for the HDF5
-(mandatory) and LZO, BZIP2, BLOSC (optional) libraries in the environment,
-by setting the values of the <span class="target" id="index-8"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">HDF5_DIR</span></code>, <span class="target" id="index-9"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LZO_DIR</span></code>,
-<span class="target" id="index-10"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BZIP2_DIR</span></code> or <span class="target" id="index-11"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code> environment variables to the
-path to the particular resource.  For example:</p>
+(mandatory) and LZO, BZIP2, BLOSC (optional), BLOSC2 libraries in the
+environment, by setting the values of the <span class="target" id="index-14"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">HDF5_DIR</span></code>,
+<span class="target" id="index-15"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LZO_DIR</span></code>, <span class="target" id="index-16"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BZIP2_DIR</span></code>, <span class="target" id="index-17"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code> or
+<span class="target" id="index-18"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC2_DIR</span></code> environment variables to the path to the particular
+resource.  For example:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="nb">set</span> <span class="n">HDF5_DIR</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">stuff</span>\\<span class="n">hdf5</span><span class="o">-</span><span class="mf">1.8.5</span><span class="o">-</span><span class="mi">32</span><span class="n">bit</span><span class="o">-</span><span class="n">VS2008</span><span class="o">-</span><span class="n">IVF101</span>\\<span class="n">release</span>
 <span class="nb">set</span> <span class="n">BLOSC_DIR</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">Blosc</span>
 <span class="nb">set</span> <span class="n">LZO_DIR</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">GnuWin32</span>
 <span class="nb">set</span> <span class="n">BZIP2_DIR</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">GnuWin32</span>
+<span class="nb">set</span> <span class="n">BLOSC2_DIR</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">Blosc2</span>
 </pre></div>
 </div>
 <p>You may also specify the locations of the resource root directories on the
@@ -325,6 +282,7 @@ <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to
 <span class="o">--</span><span class="n">blosc</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">Blosc</span>
 <span class="o">--</span><span class="n">lzo</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">GnuWin32</span>
 <span class="o">--</span><span class="n">bzip2</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">GnuWin32</span>
+<span class="o">--</span><span class="n">blosc2</span><span class="o">=</span><span class="n">c</span><span class="p">:</span>\\<span class="n">Program</span> <span class="n">Files</span> <span class="p">(</span><span class="n">x86</span><span class="p">)</span>\\<span class="n">Blosc2</span>
 </pre></div>
 </div>
 </div></blockquote>
@@ -351,8 +309,8 @@ <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to
 </pre></div>
 </div>
 <p>It is still possible to override package locations using the
-<span class="target" id="index-12"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">HDF5_DIR</span></code>, <span class="target" id="index-13"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LZO_DIR</span></code>, <span class="target" id="index-14"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BZIP2_DIR</span></code> or
-<span class="target" id="index-15"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code> environment variables.</p>
+<span class="target" id="index-19"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">HDF5_DIR</span></code>, <span class="target" id="index-20"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">LZO_DIR</span></code>, <span class="target" id="index-21"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BZIP2_DIR</span></code> or
+<span class="target" id="index-22"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">BLOSC_DIR</span></code> environment variables.</p>
 <p>When inside a conda environment <em>pkg-config</em> will not work. To disable
 using the conda environment and fall back to <em>pkg-config</em> use <cite>–no-conda</cite>:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">python3</span> <span class="n">setup</span><span class="o">.</span><span class="n">py</span> <span class="n">install</span> <span class="o">--</span><span class="n">no</span><span class="o">-</span><span class="n">conda</span>
@@ -382,7 +340,7 @@ <h3>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to
 </div></blockquote>
 </section>
 <section id="pytables-package-installation">
-<h3>PyTables package installation<a class="headerlink" href="#pytables-package-installation" title="Permalink to this heading">¶</a></h3>
+<h3>PyTables package installation<a class="headerlink" href="#pytables-package-installation" title="Link 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">
@@ -391,9 +349,9 @@ <h3>PyTables package installation<a class="headerlink" href="#pytables-package-i
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python3 setup.py build
 </pre></div>
 </div>
-<p>If the HDF5 installation is in a custom path, e.g. $HOME/hdf5-1.8.15pre7,
+<p>If the HDF5 installation is in a custom path, e.g. $HOME/hdf5-1.14.2,
 one of the following commands can be used:</p>
-<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python3 setup.py build --hdf5=$HOME/hdf5-1.8.15pre7
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python3 setup.py build --hdf5=$HOME/hdf5-1.14.2
 </pre></div>
 </div>
 <div class="admonition note">
@@ -423,7 +381,7 @@ <h3>PyTables package installation<a class="headerlink" href="#pytables-package-i
 <div class="admonition note">
 <p class="admonition-title">Note</p>
 <p>the syntax used above overrides original contents of the
-<span class="target" id="index-16"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PYTHONPATH</span></code> environment variable.
+<span class="target" id="index-23"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PYTHONPATH</span></code> environment variable.
 If this is not the desired behaviour and the user just wants to add
 some path before existing ones, then the safest syntax to use is
 the following:</p>
@@ -450,7 +408,7 @@ <h3>PyTables package installation<a class="headerlink" href="#pytables-package-i
 </div>
 </div></blockquote>
 <p>Both commands do the same thing, but the latter still works on an already
-installed PyTables (so, there is no need to set the <span class="target" id="index-17"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PYTHONPATH</span></code>
+installed PyTables (so, there is no need to set the <span class="target" id="index-24"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PYTHONPATH</span></code>
 variable for this case).
 However, before installation, the former is recommended because it is
 more flexible, as you can see below.
@@ -502,7 +460,7 @@ <h3>PyTables package installation<a class="headerlink" href="#pytables-package-i
 <blockquote>
 <div><p>Put the DLL libraries (hdf5dll.dll and, optionally, lzo1.dll,
 bzip2.dll or blosc.dll) in a directory listed in your
-<span class="target" id="index-18"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PATH</span></code> environment variable. The setup.py installation
+<span class="target" id="index-25"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PATH</span></code> environment variable. The setup.py installation
 program will print out a warning to that effect if the libraries
 can not be found.</p>
 </div></blockquote>
@@ -531,7 +489,7 @@ <h3>PyTables package installation<a class="headerlink" href="#pytables-package-i
 </div>
 <p>Have in mind, however, that if you use the <cite>–prefix</cite> flag to
 install in a non-standard place, you should properly setup your
-<span class="target" id="index-19"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PYTHONPATH</span></code> environment variable, so that the Python interpreter
+<span class="target" id="index-26"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">PYTHONPATH</span></code> environment variable, so that the Python interpreter
 would be able to find your new PyTables installation.
 You have more installation options available in the Distutils package.
 Issue a:</p>
@@ -545,7 +503,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Installation with <strong class="program">pip</strong><a class="headerlink" href="#installation-with-pip" title="Link 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
@@ -612,14 +570,14 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="binaryinstallationdescr"></span><h2>Binary installation (Windows)<a class="headerlink" href="#binary-installation-windows" title="Link 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="Permalink to this heading">¶</a></h3>
+<span id="prerequisitesbininst"></span><h3>Windows prerequisites<a class="headerlink" href="#windows-prerequisites" title="Link 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
@@ -639,7 +597,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>PyTables package installation<a class="headerlink" href="#id1" title="Link 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
@@ -675,50 +633,33 @@ <h3>PyTables package installation<a class="headerlink" href="#id1" title="Permal
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="tutorials.html" class="btn btn-neutral float-right" title="Tutorials" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
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-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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-    
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/introduction.html b/usersguide/introduction.html
index 49067a6..ee6bc1f 100644
--- a/usersguide/introduction.html
+++ b/usersguide/introduction.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Introduction &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
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+  <title>Introduction &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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   <!--[if lt IE 9]>
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   <![endif]-->
   
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-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
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     <link rel="next" title="Installation" href="installation.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
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-            <a href="../index.html">
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,75 +70,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
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         </div>
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
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-        
-          <li><a href="index.html">PyTables User’s Guide</a> &raquo;</li>
-        
-      <li>Introduction</li>
-    
-    
+      <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 class="wy-breadcrumbs-aside">
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-          
             <a href="../_sources/usersguide/introduction.rst.txt" rel="nofollow"> View page source</a>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="introduction">
-<h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this heading">¶</a></h1>
+<h1>Introduction<a class="headerlink" href="#introduction" title="Link 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>
@@ -252,7 +157,7 @@ <h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to t
 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="Permalink to this heading">¶</a></h2>
+<h2>Main Features<a class="headerlink" href="#main-features" title="Link 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
@@ -325,7 +230,7 @@ <h2>Main Features<a class="headerlink" href="#main-features" title="Permalink to
 </ul>
 </section>
 <section id="the-object-tree">
-<span id="objecttreesection"></span><h2>The Object Tree<a class="headerlink" href="#the-object-tree" title="Permalink to this heading">¶</a></h2>
+<span id="objecttreesection"></span><h2>The Object Tree<a class="headerlink" href="#the-object-tree" title="Link 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
@@ -443,7 +348,7 @@ <h2>Main Features<a class="headerlink" href="#main-features" title="Permalink to
 <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="Permalink 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="Link 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
@@ -454,7 +359,7 @@ <h2>Main Features<a class="headerlink" href="#main-features" title="Permalink to
 <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="Permalink 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="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <hr class="docutils" />
@@ -486,50 +391,33 @@ <h2>Main Features<a class="headerlink" href="#main-features" title="Permalink to
 
 
            </div>
-           
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="index.html" class="btn btn-neutral float-left" title="PyTables User’s Guide" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="installation.html" class="btn btn-neutral float-right" title="Installation" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+
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-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/libref.html b/usersguide/libref.html
index 2238dee..352c591 100644
--- a/usersguide/libref.html
+++ b/usersguide/libref.html
@@ -1,48 +1,21 @@
-
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 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
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-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
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+  <title>Library Reference &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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@@ -61,55 +34,29 @@
 
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+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
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+                3.9.0
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   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
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 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,75 +70,33 @@
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             <a href="../_sources/usersguide/libref.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="library-reference">
-<span id="id1"></span><h1>Library Reference<a class="headerlink" href="#library-reference" title="Permalink to this heading">¶</a></h1>
+<span id="id1"></span><h1>Library Reference<a class="headerlink" href="#library-reference" title="Link 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
@@ -279,50 +184,33 @@
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="libref/top_level.html" class="btn btn-neutral float-right" title="Top-level variables and functions" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="tutorials.html" class="btn btn-neutral float-left" title="Tutorials" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="libref/top_level.html" class="btn btn-neutral float-right" title="Top-level variables and functions" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/libref/declarative_classes.html b/usersguide/libref/declarative_classes.html
index 8e8ae8b..8598a6a 100644
--- a/usersguide/libref/declarative_classes.html
+++ b/usersguide/libref/declarative_classes.html
@@ -1,48 +1,21 @@
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-
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 <html class="writer-html5" lang="en" >
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-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
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-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
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+  <title>Declarative classes &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
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   <![endif]-->
   
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-        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
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     <link rel="next" title="Helper classes" href="helper_classes.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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       <div class="wy-side-scroll">
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                3.9.0
               </div>
-            
-          
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-          
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get">
-    <input type="text" name="q" placeholder="Search docs" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,85 +70,42 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
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+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
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-        
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-        
-          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
-        
-      <li>Declarative classes</li>
-    
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+      <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>
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="declarative-classes">
-<h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="Permalink to this heading">¶</a></h1>
+<h1>Declarative classes<a class="headerlink" href="#declarative-classes" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -238,7 +142,7 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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.
@@ -251,32 +155,32 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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
@@ -301,10 +205,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Atom properties<a class="headerlink" href="#atom-properties" title="Link 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="Permalink 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="Link 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>
@@ -313,22 +217,22 @@ <h3>Atom properties<a class="headerlink" href="#atom-properties" title="Permalin
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Atom methods<a class="headerlink" href="#atom-methods" title="Link 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="Permalink 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="Link 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>
@@ -353,10 +257,10 @@ <h3>Atom methods<a class="headerlink" href="#atom-methods" title="Permalink to t
 
 </section>
 <section id="atom-factory-methods">
-<h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title="Permalink to this heading">¶</a></h3>
+<h3>Atom factory methods<a class="headerlink" href="#atom-factory-methods" title="Link 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="Permalink 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="Link 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
@@ -382,7 +286,7 @@ <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="Permalink 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="Link 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
@@ -417,7 +321,7 @@ <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="Permalink 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="Link 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
@@ -438,7 +342,7 @@ <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="Permalink 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="Link 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>
@@ -460,15 +364,15 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Link 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="Permalink 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="Link 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Size in bytes of a sigle item in the atom.</p>
 </dd></dl>
 
@@ -476,98 +380,98 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Permal
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Size in bytes of a sigle item in the atom.</p>
 </dd></dl>
 
@@ -575,19 +479,19 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Permal
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -663,7 +567,7 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Permal
 <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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Size in bytes of a single item in the atom.</p>
 </dd></dl>
 
@@ -671,7 +575,7 @@ <h3>Atom Sub-classes<a class="headerlink" href="#atom-sub-classes" title="Permal
 
 </section>
 <section id="pseudo-atoms">
-<h3>Pseudo atoms<a class="headerlink" href="#pseudo-atoms" title="Permalink to this heading">¶</a></h3>
+<h3>Pseudo atoms<a class="headerlink" href="#pseudo-atoms" title="Link 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
@@ -684,10 +588,10 @@ <h3>Pseudo atoms<a class="headerlink" href="#pseudo-atoms" title="Permalink to t
 examples on VLArray datasets, including object serialization and string
 management.</p>
 <section id="objectatom">
-<h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this heading">¶</a></h4>
+<h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Link 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="Permalink 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="Link 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
@@ -700,7 +604,7 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this
 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Convert an <cite>array</cite> of base atoms into an object.</p>
 </dd></dl>
 
@@ -708,10 +612,10 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this
 
 </section>
 <section id="vlstringatom">
-<span id="id1"></span><h4>VLStringAtom<a class="headerlink" href="#vlstringatom" title="Permalink to this heading">¶</a></h4>
+<span id="id1"></span><h4>VLStringAtom<a class="headerlink" href="#vlstringatom" title="Link 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="Permalink 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="Link 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
@@ -733,7 +637,7 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this
 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Convert an <cite>array</cite> of base atoms into an object.</p>
 </dd></dl>
 
@@ -741,10 +645,10 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this
 
 </section>
 <section id="vlunicodeatom">
-<span id="id2"></span><h4>VLUnicodeAtom<a class="headerlink" href="#vlunicodeatom" title="Permalink to this heading">¶</a></h4>
+<span id="id2"></span><h4>VLUnicodeAtom<a class="headerlink" href="#vlunicodeatom" title="Link 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="Permalink 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="Link 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
@@ -759,13 +663,13 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this
 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="Permalink 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="Link 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Convert an <cite>object_</cite> into an array of base atoms.</p>
 </dd></dl>
 
@@ -775,10 +679,10 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this
 </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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -807,232 +711,278 @@ <h4>ObjectAtom<a class="headerlink" href="#objectatom" title="Permalink to this
 <li><p><strong>dflt</strong> – Sets the default value for the column.</p></li>
 <li><p><strong>pos</strong> (<em>int</em>) – Sets the position of column in table.  If unspecified, the position
 will be randomly selected.</p></li>
+<li><p><strong>attrs</strong> (<em>dict</em>) – Attribute metadata stored in the column (see
+<a class="reference internal" href="#attributesetclassdescr"><span class="std std-ref">The AttributeSet class</span></a>).</p></li>
 </ul>
 </dd>
 </dl>
 </dd></dl>
 
 <section id="col-instance-variables">
-<h3>Col instance variables<a class="headerlink" href="#col-instance-variables" title="Permalink to this heading">¶</a></h3>
+<h3>Col instance variables<a class="headerlink" href="#col-instance-variables" title="Link 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="Permalink 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="Link 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>
+<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="Permalink to this heading">¶</a></h3>
+<h3>Col factory methods<a class="headerlink" href="#col-factory-methods" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Link 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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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
 position information, which is assigned to the <cite>_v_pos</cite>
+attribute and an <code class="docutils literal notranslate"><span class="pre">attrs</span></code> argument for storing additional metadata
+similar to <cite>table.attrs</cite>, which is assigned to the <cite>_v_col_attrs</cite>
 attribute.</p>
 </dd></dl>
 
 </section>
 </section>
 <section id="the-isdescription-class">
-<span id="isdescriptionclassdescr"></span><h2>The IsDescription class<a class="headerlink" href="#the-isdescription-class" title="Permalink to this heading">¶</a></h2>
+<span id="isdescriptionclassdescr"></span><h2>The IsDescription class<a class="headerlink" href="#the-isdescription-class" title="Link 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="Permalink 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="Link 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
@@ -1057,7 +1007,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Permalin
 <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="Permalink 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="Link 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>
@@ -1065,7 +1015,7 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Permalin
 
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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
@@ -1076,16 +1026,16 @@ <h3>Col sub-classes<a class="headerlink" href="#col-sub-classes" title="Permalin
 
 </section>
 <section id="description-helper-functions">
-<h2>Description helper functions<a class="headerlink" href="#description-helper-functions" title="Permalink to this heading">¶</a></h2>
+<h2>Description helper functions<a class="headerlink" href="#description-helper-functions" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -1093,10 +1043,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="attributesetclassdescr"></span><h2>The AttributeSet class<a class="headerlink" href="#the-attributeset-class" title="Link 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="Permalink 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="Link 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>
@@ -1136,7 +1086,7 @@ <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="go">&gt;&gt;&gt;</span>
+<span class="gp">&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>
@@ -1147,7 +1097,7 @@ <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="go">&gt;&gt;&gt;</span>
+<span class="gp">&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>
@@ -1191,44 +1141,44 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>AttributeSet properties<a class="headerlink" href="#attributeset-properties" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>AttributeSet methods<a class="headerlink" href="#attributeset-methods" title="Link 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="Permalink 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="Link 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
@@ -1237,7 +1187,7 @@ <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="Permalink 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="Link 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).
@@ -1247,13 +1197,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -1265,50 +1215,33 @@ <h3>AttributeSet methods<a class="headerlink" href="#attributeset-methods" title
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="helper_classes.html" class="btn btn-neutral float-right" title="Helper classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="link_classes.html" class="btn btn-neutral float-left" title="Link classes" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="helper_classes.html" class="btn btn-neutral float-right" title="Helper classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
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   <section id="general-purpose-expression-evaluator-class">
-<h1>General purpose expression evaluator class<a class="headerlink" href="#general-purpose-expression-evaluator-class" title="Permalink to this heading">¶</a></h1>
+<h1>General purpose expression evaluator class<a class="headerlink" href="#general-purpose-expression-evaluator-class" title="Link to this heading">¶</a></h1>
 <section id="the-expr-class">
-<h2>The Expr class<a class="headerlink" href="#the-expr-class" title="Permalink to this heading">¶</a></h2>
+<h2>The Expr class<a class="headerlink" href="#the-expr-class" title="Link 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="Permalink 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="Link 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
@@ -270,65 +174,65 @@ <h2>The Expr class<a class="headerlink" href="#the-expr-class" title="Permalink
 <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="Permalink 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="Link 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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this heading">¶</a></h3>
+<h3>Expr methods<a class="headerlink" href="#expr-methods" title="Link 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="Permalink 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="Link 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
@@ -357,7 +261,7 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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
@@ -369,7 +273,7 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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
@@ -388,7 +292,7 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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
@@ -398,10 +302,10 @@ <h3>Expr methods<a class="headerlink" href="#expr-methods" title="Permalink to t
 
 </section>
 <section id="expr-special-methods">
-<h3>Expr special methods<a class="headerlink" href="#expr-special-methods" title="Permalink to this heading">¶</a></h3>
+<h3>Expr special methods<a class="headerlink" href="#expr-special-methods" title="Link 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="Permalink 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="Link 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>
@@ -413,50 +317,33 @@ <h3>Expr special methods<a class="headerlink" href="#expr-special-methods" title
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="filenode_classes.html" class="btn btn-neutral float-right" title="Filenode Module" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="helper_classes.html" class="btn btn-neutral float-left" title="Helper classes" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="filenode_classes.html" class="btn btn-neutral float-right" title="Filenode Module" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
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-
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-  
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-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/usersguide/libref/file_class.html b/usersguide/libref/file_class.html
index f8cf610..319bce9 100644
--- a/usersguide/libref/file_class.html
+++ b/usersguide/libref/file_class.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>File manipulation class &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>File manipulation class &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="Hierarchy definition classes" href="hierarchy_classes.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,82 +70,39 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
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-
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-        
         <div class="rst-content">
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-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../../_sources/usersguide/libref/file_class.rst.txt" rel="nofollow"> View page source</a>
-          
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       </li>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="file-manipulation-class">
-<h1>File manipulation class<a class="headerlink" href="#file-manipulation-class" title="Permalink to this heading">¶</a></h1>
+<h1>File manipulation class<a class="headerlink" href="#file-manipulation-class" title="Link 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="Permalink to this heading">¶</a></h2>
+<span id="fileclassdescr"></span><h2>The File Class<a class="headerlink" href="#the-file-class" title="Link 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="Permalink 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="Link 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
@@ -283,37 +187,37 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink 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="Link 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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink 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="Link 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">
@@ -324,32 +228,32 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>File properties<a class="headerlink" href="#file-properties" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>File methods - file handling<a class="headerlink" href="#file-methods-file-handling" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -382,13 +286,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -396,19 +300,19 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -431,13 +335,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -450,7 +354,7 @@ <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="Permalink 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="Link 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,
@@ -463,7 +367,7 @@ <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="Permalink 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="Link 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>
@@ -472,10 +376,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>File methods - hierarchy manipulation<a class="headerlink" href="#file-methods-hierarchy-manipulation" title="Link 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="Permalink 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="Link 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>
@@ -498,7 +402,7 @@ <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="Permalink 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="Link 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>
@@ -541,7 +445,7 @@ <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="Permalink 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="Link 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>
@@ -607,7 +511,7 @@ <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="Permalink 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="Link 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>
@@ -685,7 +589,7 @@ <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="Permalink 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="Link 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>
@@ -766,7 +670,7 @@ <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="Permalink 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="Link 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
@@ -778,7 +682,7 @@ <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="Permalink 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="Link 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>
@@ -811,7 +715,7 @@ <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="Permalink 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="Link 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
@@ -823,7 +727,7 @@ <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="Permalink 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="Link 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
@@ -837,7 +741,7 @@ <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="Permalink 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="Link 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>
@@ -928,7 +832,7 @@ <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="Permalink 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="Link 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>
@@ -1008,7 +912,7 @@ <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="Permalink 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="Link 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>
@@ -1034,7 +938,7 @@ <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="Permalink 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="Link 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>
@@ -1055,7 +959,7 @@ <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="Permalink 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="Link 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>
@@ -1074,10 +978,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-traversal" title="Link 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="Permalink 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="Link 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>
@@ -1100,24 +1004,24 @@ <h3>File methods - tree traversal<a class="headerlink" href="#file-methods-tree-
 <li><p><strong>classname</strong> (<em>str</em><em>, </em><em>optional</em>) – If the classname argument is specified, it must be the name of
 a class derived from Node (e.g. Table). If the node is found but it
 is not an instance of that class, a NoSuchNodeError is also raised.</p></li>
-<li><p><strong>exist</strong> (<em>If the node to be returned does not</em>) – </p></li>
-<li><p><strong>is</strong> (<em>a NoSuchNodeError</em>) – </p></li>
-<li><p><strong>considered.</strong> (<em>raised. Please note that hidden nodes are also</em>) – </p></li>
 </ul>
 </dd>
 </dl>
+<p class="rubric">Notes</p>
+<p>If the node to be returned does not exist, a NoSuchNodeError is
+raised. Please note that hidden nodes are also considered.</p>
 </dd></dl>
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -1137,14 +1041,14 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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,
@@ -1156,7 +1060,7 @@ <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="Permalink 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="Link 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>
@@ -1185,7 +1089,7 @@ <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="Permalink 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="Link 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>
@@ -1193,7 +1097,7 @@ <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="Permalink 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="Link 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>
@@ -1209,10 +1113,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>File methods - Undo/Redo support<a class="headerlink" href="#file-methods-undo-redo-support" title="Link 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="Permalink 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="Link 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
@@ -1224,7 +1128,7 @@ <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="Permalink 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="Link 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
@@ -1242,7 +1146,7 @@ <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="Permalink 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="Link 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
@@ -1255,7 +1159,7 @@ <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="Permalink 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="Link 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>
@@ -1265,7 +1169,7 @@ <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="Permalink 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="Link 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
@@ -1275,7 +1179,7 @@ <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="Permalink 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="Link 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
@@ -1289,7 +1193,7 @@ <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="Permalink 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="Link 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.
@@ -1302,7 +1206,7 @@ <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="Permalink 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="Link 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
@@ -1316,10 +1220,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>File methods - attribute handling<a class="headerlink" href="#file-methods-attribute-handling" title="Link 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="Permalink 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="Link 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>
@@ -1337,7 +1241,7 @@ <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="Permalink 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="Link 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>
@@ -1355,7 +1259,7 @@ <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="Permalink 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="Link 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>
@@ -1373,7 +1277,7 @@ <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="Permalink 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="Link 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>
@@ -1403,50 +1307,33 @@ <h3>File methods - attribute handling<a class="headerlink" href="#file-methods-a
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="hierarchy_classes.html" class="btn btn-neutral float-right" title="Hierarchy definition classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="top_level.html" class="btn btn-neutral float-left" title="Top-level variables and functions" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="hierarchy_classes.html" class="btn btn-neutral float-right" title="Hierarchy definition classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/usersguide/libref/filenode_classes.html b/usersguide/libref/filenode_classes.html
index 4a01ecd..3e908a4 100644
--- a/usersguide/libref/filenode_classes.html
+++ b/usersguide/libref/filenode_classes.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Filenode Module &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Filenode Module &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="Optimization tips" href="../optimization.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,77 +70,34 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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-        
-          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
-        
-      <li>Filenode Module</li>
-    
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+      <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>
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            <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="Permalink 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="Link 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
@@ -209,25 +113,25 @@
 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="Permalink to this heading">¶</a></h2>
+<h2>Module constants<a class="headerlink" href="#module-constants" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Module functions<a class="headerlink" href="#module-functions" title="Link 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="Permalink 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="Link 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
@@ -238,7 +142,7 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Permal
 
 <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="Permalink 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="Link 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
@@ -249,7 +153,7 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Permal
 
 <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="Permalink 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="Link 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>
@@ -281,7 +185,7 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Permal
 
 <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="Permalink 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="Link 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>
@@ -322,33 +226,33 @@ <h2>Module functions<a class="headerlink" href="#module-functions" title="Permal
 
 </section>
 <section id="the-rawpytablesio-base-class">
-<h2>The RawPyTablesIO base class<a class="headerlink" href="#the-rawpytablesio-base-class" title="Permalink to this heading">¶</a></h2>
+<h2>The RawPyTablesIO base class<a class="headerlink" href="#the-rawpytablesio-base-class" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>RawPyTablesIO attributes<a class="headerlink" href="#rawpytablesio-attributes" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>RawPyTablesIO methods<a class="headerlink" href="#rawpytablesio-methods" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -363,7 +267,7 @@ <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="Permalink 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="Link 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>
@@ -371,7 +275,7 @@ <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="Permalink 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="Link 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>
@@ -379,21 +283,21 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -403,21 +307,21 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -425,7 +329,7 @@ <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="Permalink 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="Link 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
@@ -435,7 +339,7 @@ <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="Permalink 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="Link 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>
@@ -444,10 +348,10 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>The ROFileNode class<a class="headerlink" href="#the-rofilenode-class" title="Link 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="Permalink 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="Link 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.
@@ -477,31 +381,31 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>ROFileNode attributes<a class="headerlink" href="#rofilenode-attributes" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -511,7 +415,7 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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
@@ -520,14 +424,14 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -542,27 +446,27 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -570,7 +474,7 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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>
@@ -579,10 +483,10 @@ <h3>ROFileNode methods<a class="headerlink" href="#rofilenode-methods" title="Pe
 </section>
 </section>
 <section id="the-rafilenode-class">
-<h2>The RAFileNode class<a class="headerlink" href="#the-rafilenode-class" title="Permalink to this heading">¶</a></h2>
+<h2>The RAFileNode class<a class="headerlink" href="#the-rafilenode-class" title="Link 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="Permalink 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="Link 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.
@@ -616,31 +520,31 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>RAFileNode attributes<a class="headerlink" href="#rafilenode-attributes" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -650,7 +554,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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
@@ -659,7 +563,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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>
@@ -669,7 +573,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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>
@@ -677,7 +581,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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>
@@ -685,14 +589,14 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -707,27 +611,27 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -735,7 +639,7 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 <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="Permalink 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="Link 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>
@@ -747,50 +651,33 @@ <h3>RAFileNode methods<a class="headerlink" href="#rafilenode-methods" title="Pe
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="../optimization.html" class="btn btn-neutral float-right" title="Optimization tips" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="../optimization.html" class="btn btn-neutral float-right" title="Optimization tips" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
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   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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+  <script>
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+  </script> 
 
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diff --git a/usersguide/libref/helper_classes.html b/usersguide/libref/helper_classes.html
index f2978df..ae775d0 100644
--- a/usersguide/libref/helper_classes.html
+++ b/usersguide/libref/helper_classes.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Helper classes &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Helper classes &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="General purpose expression evaluator class" href="expr_class.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,84 +70,41 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
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-
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-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../../_sources/usersguide/libref/helper_classes.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="helper-classes">
-<h1>Helper classes<a class="headerlink" href="#helper-classes" title="Permalink to this heading">¶</a></h1>
+<h1>Helper classes<a class="headerlink" href="#helper-classes" title="Link 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="Permalink to this heading">¶</a></h2>
+<span id="filtersclassdescr"></span><h2>The Filters class<a class="headerlink" href="#the-filters-class" title="Link 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="Permalink 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="Link 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,
@@ -293,42 +197,42 @@ <h1>Helper classes<a class="headerlink" href="#helper-classes" title="Permalink
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this heading">¶</a></h3>
+<h3>Filters methods<a class="headerlink" href="#filters-methods" title="Link 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="Permalink 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="Link 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>
@@ -361,10 +265,10 @@ <h3>Filters methods<a class="headerlink" href="#filters-methods" title="Permalin
 </section>
 </section>
 <section id="the-index-class">
-<span id="indexclassdescr"></span><h2>The Index class<a class="headerlink" href="#the-index-class" title="Permalink to this heading">¶</a></h2>
+<span id="indexclassdescr"></span><h2>The Index class<a class="headerlink" href="#the-index-class" title="Link 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="Permalink 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="Link 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
@@ -407,17 +311,17 @@ <h3>Filters methods<a class="headerlink" href="#filters-methods" title="Permalin
 </dd></dl>
 
 <section id="index-instance-variables">
-<h3>Index instance variables<a class="headerlink" href="#index-instance-variables" title="Permalink to this heading">¶</a></h3>
+<h3>Index instance variables<a class="headerlink" href="#index-instance-variables" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -425,14 +329,14 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -441,16 +345,16 @@ <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Index methods<a class="headerlink" href="#index-methods" title="Link 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="Permalink 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="Link 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>
@@ -458,7 +362,7 @@ <h3>Index methods<a class="headerlink" href="#index-methods" title="Permalink to
 
 <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="Permalink 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="Link 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>
@@ -466,10 +370,10 @@ <h3>Index methods<a class="headerlink" href="#index-methods" title="Permalink to
 
 </section>
 <section id="index-special-methods">
-<h3>Index special methods<a class="headerlink" href="#index-special-methods" title="Permalink to this heading">¶</a></h3>
+<h3>Index special methods<a class="headerlink" href="#index-special-methods" title="Link 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="Permalink 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="Link 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
@@ -481,10 +385,10 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>The IndexArray class<a class="headerlink" href="#the-indexarray-class" title="Link 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="Permalink 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="Link 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">
@@ -507,13 +411,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>The slicesize for this object.</p>
 </dd></dl>
 
@@ -521,10 +425,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="enumclassdescr"></span><h2>The Enum class<a class="headerlink" href="#the-enum-class" title="Link 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="Permalink 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="Link 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
@@ -606,10 +510,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Enum special methods<a class="headerlink" href="#enum-special-methods" title="Link 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="Permalink 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="Link 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
@@ -636,7 +540,7 @@ <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="Permalink 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="Link 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>
@@ -666,7 +570,7 @@ <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="Permalink 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="Link 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>
@@ -707,7 +611,7 @@ <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="Permalink 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="Link 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>
@@ -729,7 +633,7 @@ <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="Permalink 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="Link 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>
@@ -751,7 +655,7 @@ <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="Permalink 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="Link 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>
@@ -767,7 +671,7 @@ <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="Permalink 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="Link 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>
@@ -778,7 +682,7 @@ <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="Permalink 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="Link 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>
@@ -792,10 +696,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="unimplementedclassdescr"></span><h2>The UnImplemented class<a class="headerlink" href="#the-unimplemented-class" title="Link 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="Permalink 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="Link 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
@@ -816,20 +720,20 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <dd><p>The shape of the stored data.</p>
 </dd></dl>
 
@@ -837,10 +741,10 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Link 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="Permalink 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="Link 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
@@ -849,12 +753,12 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 </section>
 <section id="exceptions-module">
-<span id="exceptionsdescr"></span><h2>Exceptions module<a class="headerlink" href="#exceptions-module" title="Permalink to this heading">¶</a></h2>
+<span id="exceptionsdescr"></span><h2>Exceptions module<a class="headerlink" href="#exceptions-module" title="Link 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="Permalink 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="Link 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
@@ -890,7 +794,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 </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="Permalink 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="Link 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">
@@ -900,7 +804,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -926,7 +830,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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>
@@ -955,14 +859,14 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -970,7 +874,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -979,7 +883,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -995,7 +899,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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>
@@ -1003,7 +907,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -1012,14 +916,14 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1029,7 +933,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -1038,7 +942,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -1047,7 +951,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -1058,7 +962,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -1067,7 +971,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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
@@ -1076,7 +980,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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>
@@ -1084,7 +988,7 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 <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="Permalink 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="Link 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>
@@ -1095,50 +999,33 @@ <h2>The Unknown class<a class="headerlink" href="#the-unknown-class" title="Perm
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="expr_class.html" class="btn btn-neutral float-right" title="General purpose expression evaluator class" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="declarative_classes.html" class="btn btn-neutral float-left" title="Declarative classes" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="expr_class.html" class="btn btn-neutral float-right" title="General purpose expression evaluator class" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/usersguide/libref/hierarchy_classes.html b/usersguide/libref/hierarchy_classes.html
index 1ebba94..fccbb82 100644
--- a/usersguide/libref/hierarchy_classes.html
+++ b/usersguide/libref/hierarchy_classes.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Hierarchy definition classes &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Hierarchy definition classes &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="Structured storage classes" href="structured_storage.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,82 +70,39 @@
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 </ul>
 
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+             
   <section id="hierarchy-definition-classes">
-<h1>Hierarchy definition classes<a class="headerlink" href="#hierarchy-definition-classes" title="Permalink to this heading">¶</a></h1>
+<h1>Hierarchy definition classes<a class="headerlink" href="#hierarchy-definition-classes" title="Link 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="Permalink to this heading">¶</a></h2>
+<span id="nodeclassdescr"></span><h2>The Node class<a class="headerlink" href="#the-node-class" title="Link 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="Permalink 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="Link 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
@@ -223,31 +127,31 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -257,19 +161,19 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Node instance variables - location dependent<a class="headerlink" href="#node-instance-variables-location-dependent" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Node instance variables - location independent<a class="headerlink" href="#node-instance-variables-location-independent" title="Link 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="Permalink 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="Link 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>
@@ -282,25 +186,25 @@ <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Node instance variables - attribute shorthands<a class="headerlink" href="#node-instance-variables-attribute-shorthands" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Node methods - hierarchy manipulation<a class="headerlink" href="#node-methods-hierarchy-manipulation" title="Link 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="Permalink 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="Link 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>
@@ -311,7 +215,7 @@ <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="Permalink 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="Link 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
@@ -340,13 +244,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -368,7 +272,7 @@ <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="Permalink 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="Link 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>
@@ -378,7 +282,7 @@ <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="Permalink 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="Link 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
@@ -387,10 +291,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Node methods - attribute handling<a class="headerlink" href="#node-methods-attribute-handling" title="Link 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="Permalink 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="Link 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>
@@ -398,7 +302,7 @@ <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="Permalink 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="Link 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>
@@ -406,7 +310,7 @@ <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="Permalink 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="Link 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>
@@ -415,10 +319,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="groupclassdescr"></span><h2>The Group class<a class="headerlink" href="#the-group-class" title="Link 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="Permalink 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="Link 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
@@ -495,53 +399,53 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Group properties<a class="headerlink" href="#group-properties" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -551,7 +455,7 @@ <h3>Group properties<a class="headerlink" href="#group-properties" title="Permal
 
 </section>
 <section id="group-methods">
-<h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to this heading">¶</a></h3>
+<h3>Group methods<a class="headerlink" href="#group-methods" title="Link 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
@@ -564,7 +468,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 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="Permalink 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="Link 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
@@ -576,7 +480,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 
 <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="Permalink 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="Link 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>
@@ -605,7 +509,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 
 <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="Permalink 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="Link 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
@@ -629,7 +533,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 
 <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="Permalink 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="Link 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>
@@ -640,7 +544,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 
 <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="Permalink 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="Link 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
@@ -651,14 +555,14 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -667,7 +571,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 
 <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="Permalink 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="Link 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
@@ -687,7 +591,7 @@ <h3>Group methods<a class="headerlink" href="#group-methods" title="Permalink to
 
 </section>
 <section id="group-special-methods">
-<h3>Group special methods<a class="headerlink" href="#group-special-methods" title="Permalink to this heading">¶</a></h3>
+<h3>Group special methods<a class="headerlink" href="#group-special-methods" title="Link 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
@@ -713,7 +617,7 @@ <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="Permalink 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="Link 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>
@@ -721,7 +625,7 @@ <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="Permalink 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="Link 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>
@@ -735,7 +639,7 @@ <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="Permalink 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="Link 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>
@@ -743,7 +647,7 @@ <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="Permalink 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="Link 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>
@@ -757,7 +661,7 @@ <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="Permalink 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="Link 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>
@@ -772,7 +676,7 @@ <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="Permalink 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="Link 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
@@ -790,7 +694,7 @@ <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="Permalink 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="Link 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>
@@ -805,10 +709,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="leafclassdescr"></span><h2>The Leaf class<a class="headerlink" href="#the-leaf-class" title="Link 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="Permalink 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="Link 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
@@ -825,32 +729,32 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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>
@@ -858,17 +762,17 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this heading">¶</a></h3>
+<h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Link 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="Permalink 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="Link 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>
@@ -876,13 +780,13 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Permalin
 
 <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="Permalink 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="Link 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Filter properties for this leaf.</p>
 <div class="admonition seealso">
 <p class="admonition-title">See also</p>
@@ -892,7 +796,7 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Permalin
 
 <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="Permalink 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="Link 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>
@@ -900,7 +804,7 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Permalin
 
 <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="Permalink 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="Link 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
@@ -910,14 +814,14 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Permalin
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -926,26 +830,26 @@ <h3>Leaf properties<a class="headerlink" href="#leaf-properties" title="Permalin
 
 </section>
 <section id="leaf-instance-variables-aliases">
-<h3>Leaf instance variables - aliases<a class="headerlink" href="#leaf-instance-variables-aliases" title="Permalink to this heading">¶</a></h3>
+<h3>Leaf instance variables - aliases<a class="headerlink" href="#leaf-instance-variables-aliases" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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">
@@ -955,24 +859,24 @@ <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1020,7 +924,7 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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
@@ -1030,28 +934,28 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1060,28 +964,28 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1092,7 +996,7 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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
@@ -1101,7 +1005,7 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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
@@ -1114,50 +1018,33 @@ <h3>Leaf methods<a class="headerlink" href="#leaf-methods" title="Permalink to t
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="structured_storage.html" class="btn btn-neutral float-right" title="Structured storage classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="file_class.html" class="btn btn-neutral float-left" title="File manipulation class" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="structured_storage.html" class="btn btn-neutral float-right" title="Structured storage classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/usersguide/libref/homogenous_storage.html b/usersguide/libref/homogenous_storage.html
index 1335bc5..7658ea0 100644
--- a/usersguide/libref/homogenous_storage.html
+++ b/usersguide/libref/homogenous_storage.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Homogenous storage classes &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Homogenous storage classes &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="Link classes" href="link_classes.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,82 +70,39 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
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-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../../_sources/usersguide/libref/homogenous_storage.rst.txt" rel="nofollow"> View page source</a>
-          
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       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="homogenous-storage-classes">
-<h1>Homogenous storage classes<a class="headerlink" href="#homogenous-storage-classes" title="Permalink to this heading">¶</a></h1>
+<h1>Homogenous storage classes<a class="headerlink" href="#homogenous-storage-classes" title="Link 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="Permalink to this heading">¶</a></h2>
+<span id="arrayclassdescr"></span><h2>The Array class<a class="headerlink" href="#the-array-class" title="Link 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="Permalink 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="Link 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
@@ -253,39 +157,39 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Array instance variables<a class="headerlink" href="#array-instance-variables" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Array methods<a class="headerlink" href="#array-methods" title="Link 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="Permalink 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="Link 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
@@ -294,7 +198,7 @@ <h3>Array methods<a class="headerlink" href="#array-methods" title="Permalink to
 
 <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="Permalink 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="Link 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
@@ -316,14 +220,14 @@ <h3>Array methods<a class="headerlink" href="#array-methods" title="Permalink to
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -350,14 +254,14 @@ <h3>Array methods<a class="headerlink" href="#array-methods" title="Permalink to
 
 </section>
 <section id="array-special-methods">
-<h3>Array special methods<a class="headerlink" href="#array-special-methods" title="Permalink to this heading">¶</a></h3>
+<h3>Array special methods<a class="headerlink" href="#array-special-methods" title="Link 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="Permalink 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="Link 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
@@ -380,7 +284,7 @@ <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="Permalink 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="Link 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>
@@ -396,7 +300,7 @@ <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="Permalink 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="Link 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
@@ -429,10 +333,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="carrayclassdescr"></span><h2>The CArray class<a class="headerlink" href="#the-carray-class" title="Link 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="Permalink 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="Link 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
@@ -522,10 +426,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="earrayclassdescr"></span><h2>The EArray class<a class="headerlink" href="#the-earray-class" title="Link 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="Permalink 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="Link 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
@@ -618,10 +522,10 @@ <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="Permalink to this heading">¶</a></h3>
+<span id="earraymethodsdescr"></span><h3>EArray methods<a class="headerlink" href="#earray-methods" title="Link 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="Permalink 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="Link 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
@@ -634,10 +538,10 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="vlarrayclassdescr"></span><h2>The VLArray class<a class="headerlink" href="#the-vlarray-class" title="Link 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="Permalink 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="Link 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
@@ -773,7 +677,7 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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
@@ -783,7 +687,7 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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
@@ -792,29 +696,29 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this heading">¶</a></h3>
+<h3>VLArray properties<a class="headerlink" href="#vlarray-properties" title="Link 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="Permalink 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="Link 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>
@@ -822,7 +726,7 @@ <h3>VLArray properties<a class="headerlink" href="#vlarray-properties" title="Pe
 
 <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="Permalink 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="Link 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">
@@ -839,10 +743,10 @@ <h3>VLArray properties<a class="headerlink" href="#vlarray-properties" title="Pe
 
 </section>
 <section id="vlarray-methods">
-<h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Permalink to this heading">¶</a></h3>
+<h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Link 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="Permalink 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="Link 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
@@ -853,7 +757,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Permalin
 
 <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="Permalink 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="Link 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
@@ -862,7 +766,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Permalin
 
 <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="Permalink 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="Link 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>
@@ -884,7 +788,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Permalin
 
 <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="Permalink 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="Link 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>
@@ -892,7 +796,7 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Permalin
 
 <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="Permalink 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="Link 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
@@ -908,19 +812,19 @@ <h3>VLArray methods<a class="headerlink" href="#vlarray-methods" title="Permalin
 
 <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><span class="sig-paren">)</span><a class="headerlink" href="#tables.VLArray.get_row_size" title="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>VLArray special methods<a class="headerlink" href="#vlarray-special-methods" title="Link 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="Permalink 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="Link 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
@@ -937,14 +841,14 @@ <h3>VLArray special methods<a class="headerlink" href="#vlarray-special-methods"
 <span class="n">a_list</span> <span class="o">=</span> <span class="n">vlarray</span><span class="p">[</span><span class="mi">4</span><span class="p">:</span><span class="mi">1000</span><span class="p">:</span><span class="mi">2</span><span class="p">]</span>
 <span class="n">a_list2</span> <span class="o">=</span> <span class="n">vlarray</span><span class="p">[[</span><span class="mi">0</span><span class="p">,</span><span class="mi">2</span><span class="p">]]</span>   <span class="c1"># get list of coords</span>
 <span class="n">a_list3</span> <span class="o">=</span> <span class="n">vlarray</span><span class="p">[[</span><span class="mi">0</span><span class="p">,</span><span class="o">-</span><span class="mi">2</span><span class="p">]]</span>  <span class="c1"># negative values accepted</span>
-<span class="n">a_list4</span> <span class="o">=</span> <span class="n">vlarray</span><span class="p">[</span><span class="n">numpy</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="kc">True</span><span class="p">,</span><span class="o">...</span><span class="p">,</span><span class="kc">False</span><span class="p">])]</span>  <span class="c1"># array of bools</span>
+<span class="n">a_list4</span> <span class="o">=</span> <span class="n">vlarray</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="kc">True</span><span class="p">,</span><span class="o">...</span><span class="p">,</span><span class="kc">False</span><span class="p">])]</span>  <span class="c1"># array of bools</span>
 </pre></div>
 </div>
 </dd></dl>
 
 <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="Permalink 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="Link 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>
@@ -960,7 +864,7 @@ <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="Permalink 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="Link 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
@@ -1004,50 +908,33 @@ <h3>VLArray special methods<a class="headerlink" href="#vlarray-special-methods"
 
 
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
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diff --git a/usersguide/libref/link_classes.html b/usersguide/libref/link_classes.html
index 9120bcc..3c06d46 100644
--- a/usersguide/libref/link_classes.html
+++ b/usersguide/libref/link_classes.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Link classes &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Link classes &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
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-        <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>
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-        <script src="../../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="Declarative classes" href="declarative_classes.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,82 +70,39 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../../index.html">PyTables</a>
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-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
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-
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   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="link-classes">
-<h1>Link classes<a class="headerlink" href="#link-classes" title="Permalink to this heading">¶</a></h1>
+<h1>Link classes<a class="headerlink" href="#link-classes" title="Link 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="Permalink to this heading">¶</a></h2>
+<span id="linkclassdescr"></span><h2>The Link class<a class="headerlink" href="#the-link-class" title="Link 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="Permalink 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="Link 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
@@ -210,17 +114,17 @@ <h1>Link classes<a class="headerlink" href="#link-classes" title="Permalink to t
 <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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Link instance variables<a class="headerlink" href="#link-instance-variables" title="Link 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="Permalink 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="Link 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>
@@ -228,12 +132,12 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Link methods<a class="headerlink" href="#link-methods" title="Link 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="Permalink 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="Link 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
@@ -242,20 +146,20 @@ <h3>Link methods<a class="headerlink" href="#link-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -263,10 +167,10 @@ <h3>Link methods<a class="headerlink" href="#link-methods" title="Permalink to t
 </section>
 </section>
 <section id="the-softlink-class">
-<span id="softlinkclassdescr"></span><h2>The SoftLink class<a class="headerlink" href="#the-softlink-class" title="Permalink to this heading">¶</a></h2>
+<span id="softlinkclassdescr"></span><h2>The SoftLink class<a class="headerlink" href="#the-softlink-class" title="Link 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="Permalink 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="Link 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
@@ -315,12 +219,12 @@ <h3>Link methods<a class="headerlink" href="#link-methods" title="Permalink to t
 </dd></dl>
 
 <section id="softlink-special-methods">
-<h3>SoftLink special methods<a class="headerlink" href="#softlink-special-methods" title="Permalink to this heading">¶</a></h3>
+<h3>SoftLink special methods<a class="headerlink" href="#softlink-special-methods" title="Link 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="Permalink 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="Link 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>
@@ -335,7 +239,7 @@ <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="Permalink 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="Link 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>
@@ -349,10 +253,10 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>The ExternalLink class<a class="headerlink" href="#the-externallink-class" title="Link 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="Permalink 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="Link 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
@@ -361,7 +265,7 @@ <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="Permalink 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="Link 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>
@@ -370,21 +274,21 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>ExternalLink methods<a class="headerlink" href="#externallink-methods" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>ExternalLink special methods<a class="headerlink" href="#externallink-special-methods" title="Link 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="Permalink 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="Link 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
@@ -405,7 +309,7 @@ <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="Permalink 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="Link 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>
@@ -422,50 +326,33 @@ <h3>ExternalLink special methods<a class="headerlink" href="#externallink-specia
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="declarative_classes.html" class="btn btn-neutral float-right" title="Declarative classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="homogenous_storage.html" class="btn btn-neutral float-left" title="Homogenous storage classes" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="declarative_classes.html" class="btn btn-neutral float-right" title="Declarative classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/usersguide/libref/structured_storage.html b/usersguide/libref/structured_storage.html
index 42e5f43..742b4c8 100644
--- a/usersguide/libref/structured_storage.html
+++ b/usersguide/libref/structured_storage.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Structured storage classes &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Structured storage classes &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
-    
+        <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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="Homogenous storage classes" href="homogenous_storage.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,82 +70,39 @@
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   <section id="structured-storage-classes">
-<h1>Structured storage classes<a class="headerlink" href="#structured-storage-classes" title="Permalink to this heading">¶</a></h1>
+<h1>Structured storage classes<a class="headerlink" href="#structured-storage-classes" title="Link 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="Permalink to this heading">¶</a></h2>
+<span id="tableclassdescr"></span><h2>The Table class<a class="headerlink" href="#the-table-class" title="Link 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="Permalink 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="Link 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
@@ -283,32 +187,32 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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>
@@ -316,13 +220,13 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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
@@ -333,7 +237,7 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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>
@@ -341,42 +245,42 @@ <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this heading">¶</a></h3>
+<h3>Table properties<a class="headerlink" href="#table-properties" title="Link 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="Permalink 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="Link 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
@@ -394,34 +298,34 @@ <h3>Table properties<a class="headerlink" href="#table-properties" title="Permal
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Table methods - reading<a class="headerlink" href="#table-methods-reading" title="Link 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="Permalink 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="Link 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>
@@ -439,7 +343,7 @@ <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="Permalink 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="Link 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
@@ -473,13 +377,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -497,7 +401,7 @@ <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="Permalink 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="Link 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
@@ -547,7 +451,7 @@ <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="Permalink 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="Link 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,
@@ -558,7 +462,7 @@ <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="Permalink 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="Link 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
@@ -578,7 +482,7 @@ <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="Permalink 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="Link 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
@@ -610,7 +514,7 @@ <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="Permalink 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="Link 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>
@@ -634,10 +538,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" title="Link 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="Permalink 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="Link 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
@@ -669,7 +573,7 @@ <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="Permalink 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="Link 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
@@ -685,7 +589,7 @@ <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="Permalink 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="Link 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
@@ -701,7 +605,7 @@ <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="Permalink 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="Link 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>
@@ -711,7 +615,7 @@ <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="Permalink 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="Link 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
@@ -723,7 +627,7 @@ <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="Permalink 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="Link 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
@@ -774,7 +678,7 @@ <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="Permalink 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="Link 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>
@@ -804,7 +708,7 @@ <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="Permalink 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="Link 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
@@ -823,8 +727,9 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 <span class="n">table</span><span class="p">[</span><span class="mi">2</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="mi">456</span><span class="p">,</span><span class="s1">&#39;db2&#39;</span><span class="p">,</span><span class="mf">1.2</span><span class="p">]</span>
 
 <span class="c1"># Modify two existing rows</span>
-<span class="n">rows</span> <span class="o">=</span> <span class="n">numpy</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">([[</span><span class="mi">457</span><span class="p">,</span><span class="s1">&#39;db1&#39;</span><span class="p">,</span><span class="mf">1.2</span><span class="p">],[</span><span class="mi">6</span><span class="p">,</span><span class="s1">&#39;de2&#39;</span><span class="p">,</span><span class="mf">1.3</span><span class="p">]],</span>
-                       <span class="n">formats</span><span class="o">=</span><span class="s1">&#39;i4,a3,f8&#39;</span><span class="p">)</span>
+<span class="n">rows</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span>
+    <span class="p">[[</span><span class="mi">457</span><span class="p">,</span><span class="s1">&#39;db1&#39;</span><span class="p">,</span><span class="mf">1.2</span><span class="p">],[</span><span class="mi">6</span><span class="p">,</span><span class="s1">&#39;de2&#39;</span><span class="p">,</span><span class="mf">1.3</span><span class="p">]],</span> <span class="n">formats</span><span class="o">=</span><span class="s1">&#39;i4,a3,f8&#39;</span>
+<span class="p">)</span>
 <span class="n">table</span><span class="p">[</span><span class="mi">1</span><span class="p">:</span><span class="mi">30</span><span class="p">:</span><span class="mi">2</span><span class="p">]</span> <span class="o">=</span> <span class="n">rows</span>             <span class="c1"># modify a table slice</span>
 <span class="n">table</span><span class="p">[[</span><span class="mi">1</span><span class="p">,</span><span class="mi">3</span><span class="p">]]</span> <span class="o">=</span> <span class="n">rows</span>              <span class="c1"># only modifies rows 1 and 3</span>
 <span class="n">table</span><span class="p">[[</span><span class="kc">True</span><span class="p">,</span><span class="kc">False</span><span class="p">,</span><span class="kc">True</span><span class="p">]]</span> <span class="o">=</span> <span class="n">rows</span>  <span class="c1"># only modifies rows 0 and 2</span>
@@ -832,8 +737,9 @@ <h3>Table methods - writing<a class="headerlink" href="#table-methods-writing" t
 </div>
 <p>Which is equivalent to:</p>
 <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">table</span><span class="o">.</span><span class="n">modify_rows</span><span class="p">(</span><span class="n">start</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">rows</span><span class="o">=</span><span class="p">[</span><span class="mi">456</span><span class="p">,</span><span class="s1">&#39;db2&#39;</span><span class="p">,</span><span class="mf">1.2</span><span class="p">])</span>
-<span class="n">rows</span> <span class="o">=</span> <span class="n">numpy</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">([[</span><span class="mi">457</span><span class="p">,</span><span class="s1">&#39;db1&#39;</span><span class="p">,</span><span class="mf">1.2</span><span class="p">],[</span><span class="mi">6</span><span class="p">,</span><span class="s1">&#39;de2&#39;</span><span class="p">,</span><span class="mf">1.3</span><span class="p">]],</span>
-                       <span class="n">formats</span><span class="o">=</span><span class="s1">&#39;i4,a3,f8&#39;</span><span class="p">)</span>
+<span class="n">rows</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span>
+    <span class="p">[[</span><span class="mi">457</span><span class="p">,</span><span class="s1">&#39;db1&#39;</span><span class="p">,</span><span class="mf">1.2</span><span class="p">],[</span><span class="mi">6</span><span class="p">,</span><span class="s1">&#39;de2&#39;</span><span class="p">,</span><span class="mf">1.3</span><span class="p">]],</span> <span class="n">formats</span><span class="o">=</span><span class="s1">&#39;i4,a3,f8&#39;</span>
+<span class="p">)</span>
 <span class="n">table</span><span class="o">.</span><span class="n">modify_rows</span><span class="p">(</span><span class="n">start</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">stop</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">rows</span><span class="o">=</span><span class="n">rows</span><span class="p">)</span>
 <span class="n">table</span><span class="o">.</span><span class="n">modify_coordinates</span><span class="p">([</span><span class="mi">1</span><span class="p">,</span><span class="mi">3</span><span class="p">,</span><span class="mi">2</span><span class="p">],</span> <span class="n">rows</span><span class="p">)</span>
 <span class="n">table</span><span class="o">.</span><span class="n">modify_coordinates</span><span class="p">([</span><span class="kc">True</span><span class="p">,</span> <span class="kc">False</span><span class="p">,</span> <span class="kc">True</span><span class="p">],</span> <span class="n">rows</span><span class="p">)</span>
@@ -846,10 +752,10 @@ <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="Permalink to this heading">¶</a></h3>
+<span id="tablemethods-querying"></span><h3>Table methods - querying<a class="headerlink" href="#table-methods-querying" title="Link 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="Permalink 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="Link 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
@@ -860,7 +766,7 @@ <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="Permalink 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="Link 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
@@ -871,7 +777,7 @@ <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="Permalink 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="Link 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
@@ -951,7 +857,7 @@ <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="Permalink 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="Link 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
@@ -965,7 +871,7 @@ <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="Permalink 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="Link 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
@@ -978,10 +884,10 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Table methods - other<a class="headerlink" href="#table-methods-other" title="Link 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="Permalink 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="Link 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
@@ -1009,7 +915,7 @@ <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="Permalink 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="Link 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
@@ -1018,7 +924,7 @@ <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="Permalink 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="Link 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
@@ -1028,7 +934,7 @@ <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="Permalink 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="Link 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
@@ -1037,7 +943,7 @@ <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="Permalink 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="Link 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
@@ -1047,10 +953,10 @@ <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="Permalink to this heading">¶</a></h3>
+<span id="descriptionclassdescr"></span><h3>The Description class<a class="headerlink" href="#the-description-class" title="Link 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="Permalink 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="Link 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
@@ -1066,7 +972,7 @@ <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="Permalink 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="Link 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
@@ -1079,7 +985,7 @@ <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="Permalink 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="Link 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>
@@ -1087,7 +993,7 @@ <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="Permalink 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="Link 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>
@@ -1095,7 +1001,7 @@ <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="Permalink 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="Link 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>
@@ -1103,27 +1009,27 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1132,7 +1038,7 @@ <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="Permalink 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="Link 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>
@@ -1144,7 +1050,7 @@ <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="Permalink 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="Link 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>
@@ -1156,14 +1062,14 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -1175,13 +1081,13 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -1189,7 +1095,7 @@ <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="Permalink 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="Link 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>
@@ -1197,7 +1103,7 @@ <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="Permalink 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="Link 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
@@ -1215,10 +1121,10 @@ <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="Permalink to this heading">¶</a></h4>
+<h4>Description methods<a class="headerlink" href="#description-methods" title="Link 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="Permalink 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="Link 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>
@@ -1229,10 +1135,10 @@ <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="Permalink to this heading">¶</a></h3>
+<span id="rowclassdescr"></span><h3>The Row class<a class="headerlink" href="#the-row-class" title="Link 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="Permalink 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="Link 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,
@@ -1246,7 +1152,7 @@ <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="Permalink 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="Link 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>
@@ -1255,10 +1161,10 @@ <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="Permalink to this heading">¶</a></h4>
+<h4>Row methods<a class="headerlink" href="#row-methods" title="Link 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="Permalink 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="Link 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
@@ -1286,7 +1192,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 
 <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="Permalink 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="Link 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>
@@ -1299,7 +1205,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 
 <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="Permalink 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="Link 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
@@ -1339,17 +1245,17 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 
 </section>
 <section id="row-special-methods">
-<span id="rowspecialmethods"></span><h4>Row special methods<a class="headerlink" href="#row-special-methods" title="Permalink to this heading">¶</a></h4>
+<span id="rowspecialmethods"></span><h4>Row special methods<a class="headerlink" href="#row-special-methods" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1380,7 +1286,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 
 <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="Permalink 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="Link 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
@@ -1401,10 +1307,10 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 </section>
 </section>
 <section id="the-cols-class">
-<span id="colsclassdescr"></span><h3>The Cols class<a class="headerlink" href="#the-cols-class" title="Permalink to this heading">¶</a></h3>
+<span id="colsclassdescr"></span><h3>The Cols class<a class="headerlink" href="#the-cols-class" title="Link 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="Permalink 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="Link 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
@@ -1420,7 +1326,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 <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="Permalink 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="Link 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
@@ -1429,7 +1335,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 
 <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="Permalink 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="Link 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
@@ -1438,7 +1344,7 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 
 <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="Permalink 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="Link 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>
@@ -1446,19 +1352,19 @@ <h4>Row methods<a class="headerlink" href="#row-methods" title="Permalink to thi
 </dd></dl>
 
 <section id="cols-properties">
-<h4>Cols properties<a class="headerlink" href="#cols-properties" title="Permalink to this heading">¶</a></h4>
+<h4>Cols properties<a class="headerlink" href="#cols-properties" title="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Cols methods<a class="headerlink" href="#cols-methods" title="Link 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="Permalink 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="Link 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
@@ -1472,7 +1378,7 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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
@@ -1494,13 +1400,13 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Permalink to t
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1523,10 +1429,10 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Permalink to t
 </section>
 </section>
 <section id="the-column-class">
-<span id="columnclassdescr"></span><h3>The Column class<a class="headerlink" href="#the-column-class" title="Permalink to this heading">¶</a></h3>
+<span id="columnclassdescr"></span><h3>The Column class<a class="headerlink" href="#the-column-class" title="Link 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="Permalink 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="Link 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
@@ -1536,24 +1442,30 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Permalink to t
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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="Permalink to this definition">¶</a></dt>
+<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>
 <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>
+<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>
+
 <dl class="field-list simple">
 <dt class="field-odd">Parameters<span class="colon">:</span></dt>
 <dd class="field-odd"><ul class="simple">
@@ -1566,57 +1478,57 @@ <h4>Cols methods<a class="headerlink" href="#cols-methods" title="Permalink to t
 </dd></dl>
 
 <section id="column-instance-variables">
-<h4>Column instance variables<a class="headerlink" href="#column-instance-variables" title="Permalink to this heading">¶</a></h4>
+<h4>Column instance variables<a class="headerlink" href="#column-instance-variables" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h4>
+<h4>Column methods<a class="headerlink" href="#column-methods" title="Link 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="Permalink 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="Link to this definition">¶</a></dt>
 <dd><p>Create an index for this column.</p>
 <div class="admonition warning">
 <p class="admonition-title">Warning</p>
@@ -1661,7 +1573,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Permalink
 
 <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="Permalink 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="Link 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
@@ -1678,7 +1590,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Permalink
 
 <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="Permalink 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="Link 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>
@@ -1687,7 +1599,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Permalink
 
 <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="Permalink 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="Link 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
@@ -1697,7 +1609,7 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Permalink
 
 <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="Permalink 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="Link 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>
@@ -1706,10 +1618,10 @@ <h4>Column methods<a class="headerlink" href="#column-methods" title="Permalink
 
 </section>
 <section id="column-special-methods">
-<h4>Column special methods<a class="headerlink" href="#column-special-methods" title="Permalink to this heading">¶</a></h4>
+<h4>Column special methods<a class="headerlink" href="#column-special-methods" title="Link 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="Permalink 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="Link 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
@@ -1748,14 +1660,14 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1773,7 +1685,7 @@ <h4>Column special methods<a class="headerlink" href="#column-special-methods" t
 <span class="n">table</span><span class="o">.</span><span class="n">modify_columns</span><span class="p">(</span><span class="n">start</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">columns</span><span class="o">=</span><span class="p">[[</span><span class="o">-</span><span class="mi">1</span><span class="p">]],</span> <span class="n">names</span><span class="o">=</span><span class="p">[</span><span class="s1">&#39;col1&#39;</span><span class="p">])</span>
 
 <span class="c1"># Modify rows 1 and 3</span>
-<span class="n">columns</span> <span class="o">=</span> <span class="n">numpy</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">fromarrays</span><span class="p">([[</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">]],</span> <span class="n">formats</span><span class="o">=</span><span class="s1">&#39;i4&#39;</span><span class="p">)</span>
+<span class="n">columns</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">fromarrays</span><span class="p">([[</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">]],</span> <span class="n">formats</span><span class="o">=</span><span class="s1">&#39;i4&#39;</span><span class="p">)</span>
 <span class="n">table</span><span class="o">.</span><span class="n">modify_columns</span><span class="p">(</span><span class="n">start</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">step</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">columns</span><span class="o">=</span><span class="n">columns</span><span class="p">,</span>
                      <span class="n">names</span><span class="o">=</span><span class="p">[</span><span class="s1">&#39;col1&#39;</span><span class="p">])</span>
 </pre></div>
@@ -1787,50 +1699,33 @@ <h4>Column special methods<a class="headerlink" href="#column-special-methods" t
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
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+        <a href="homogenous_storage.html" class="btn btn-neutral float-right" title="Homogenous storage classes" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
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-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/libref/top_level.html b/usersguide/libref/top_level.html
index e513d33..fa984a9 100644
--- a/usersguide/libref/top_level.html
+++ b/usersguide/libref/top_level.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Top-level variables and functions &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../../_static/graphviz.css" type="text/css" />
-
-  
-  
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-  
-  
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-  
-
-  
+  <title>Top-level variables and functions &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></script>
-        <script data-url_root="../../" id="documentation_options" src="../../_static/documentation_options.js"></script>
-        <script src="../../_static/jquery.js"></script>
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-    
-    <script type="text/javascript" src="../../_static/js/theme.js"></script>
-
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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 src="../../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../../genindex.html" />
     <link rel="search" title="Search" href="../../search.html" />
     <link rel="next" title="File manipulation class" href="file_class.html" />
@@ -61,55 +34,29 @@
 
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+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
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       <div class="wy-side-scroll">
         <div class="wy-side-nav-search" >
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+          <a href="../../index.html">
             
-            <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
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-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="../index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../cookbook/index.html">Cookbook</a></li>
@@ -123,82 +70,39 @@
 <li class="toctree-l1"><a class="reference internal" href="../../dev_team.html">Development Team</a></li>
 </ul>
 
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+          <div role="navigation" aria-label="Page navigation">
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-        
-          <li><a href="../libref.html">Library Reference</a> &raquo;</li>
-        
-      <li>Top-level variables and functions</li>
-    
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+      <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>
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           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <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="Permalink to this heading">¶</a></h1>
+<h1>Top-level variables and functions<a class="headerlink" href="#top-level-variables-and-functions" title="Link to this heading">¶</a></h1>
 <section id="global-variables">
-<h2>Global variables<a class="headerlink" href="#global-variables" title="Permalink to this heading">¶</a></h2>
+<h2>Global variables<a class="headerlink" href="#global-variables" title="Link 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">'3.8.1.dev0'</span></em><a class="headerlink" href="#tables.__version__" title="Permalink 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="Link 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
@@ -212,7 +116,7 @@ <h2>Global variables<a class="headerlink" href="#global-variables" title="Permal
 
 <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">'1.10.8'</span></em><a class="headerlink" href="#tables.hdf5_version" title="Permalink 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">'1.10.7'</span></em><a class="headerlink" href="#tables.hdf5_version" title="Link 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>
@@ -221,10 +125,10 @@ <h2>Global variables<a class="headerlink" href="#global-variables" title="Permal
 
 </section>
 <section id="global-functions">
-<h2>Global functions<a class="headerlink" href="#global-functions" title="Permalink to this heading">¶</a></h2>
+<h2>Global functions<a class="headerlink" href="#global-functions" title="Link 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="Permalink 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="Link 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
@@ -240,7 +144,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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,
@@ -249,7 +153,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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
@@ -258,7 +162,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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>
@@ -319,7 +223,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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
@@ -330,7 +234,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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
@@ -341,13 +245,13 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -360,7 +264,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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>
@@ -382,7 +286,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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
@@ -395,7 +299,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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
@@ -407,7 +311,7 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 <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="Permalink 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="Link 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>
@@ -421,50 +325,33 @@ <h2>Global functions<a class="headerlink" href="#global-functions" title="Permal
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="file_class.html" class="btn btn-neutral float-right" title="File manipulation class" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="../libref.html" class="btn btn-neutral float-left" title="Library Reference" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="file_class.html" class="btn btn-neutral float-right" title="File manipulation class" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
       </div>
-
     </section>
-
   </div>
-  
-
-  <script type="text/javascript">
+  <script>
       jQuery(function () {
           SphinxRtdTheme.Navigation.enable(true);
       });
-  </script>
-
-  
-  
-    
-   
+  </script> 
 
 </body>
 </html>
\ No newline at end of file
diff --git a/usersguide/optimization.html b/usersguide/optimization.html
index eba0946..9d19680 100644
--- a/usersguide/optimization.html
+++ b/usersguide/optimization.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Optimization tips &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
-  <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" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>Optimization tips &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="filenode - simulating a filesystem with PyTables" href="filenode.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
-          
-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,75 +70,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
       </div>
     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
-        
       </nav>
 
-
       <div class="wy-nav-content">
-        
         <div class="rst-content">
-        
-          
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/usersguide/optimization.rst.txt" rel="nofollow"> View page source</a>
-          
-        
       </li>
-    
   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="optimization-tips">
-<h1>Optimization tips<a class="headerlink" href="#optimization-tips" title="Permalink to this heading">¶</a></h1>
+<h1>Optimization tips<a class="headerlink" href="#optimization-tips" title="Link to this heading">¶</a></h1>
 <blockquote class="epigraph">
 <div><p>… durch planmässiges Tattonieren.</p>
 <p>[… through systematic, palpable experimentation.]</p>
@@ -207,7 +112,7 @@ <h1>Optimization tips<a class="headerlink" href="#optimization-tips" title="Perm
 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="Permalink to this heading">¶</a></h2>
+<h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" title="Link 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
@@ -230,7 +135,7 @@ <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="Permalink 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="Link 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
@@ -245,7 +150,7 @@ <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="Permalink to this heading">¶</a></h3>
+<span id="chunksizefinetune"></span><h3>Fine-tuning the chunksize<a class="headerlink" href="#fine-tuning-the-chunksize" title="Link 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
@@ -292,27 +197,27 @@ <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="Permalink to this image">¶</a></p>
+chunksizes.</strong></span><a class="headerlink" href="#id7" title="Link 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="Permalink 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="Link 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="Permalink to this image">¶</a></p>
+different chunksizes.</strong></span><a class="headerlink" href="#id9" title="Link 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="Permalink to this image">¶</a></p>
+different chunksizes.</strong></span><a class="headerlink" href="#id10" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Finally, it is worth noting that adjusting the chunksize can be specially
@@ -322,9 +227,74 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 small or too large chunksize.  As always, experimenting prior to pass your
 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>
+<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,
+but avoiding that by using bigger chunks may make operations slow, as whole
+big chunks would need to be loaded in memory anyway just to access a small
+slice.  Compression may help by making the chunks smaller on disk, but the
+decompressed chunks in memory may still be big enough to make the slicing
+inefficient.</p>
+<p>To help with this scenario, PyTables supports Blosc2 NDim (b2nd) compression,
+which uses a 2-level partitioning of arrays into multidimensional chunks made
+of smaller multidimensional blocks; reading slices of such arrays is optimized
+by direct access to chunks (avoiding the slower HDF5 filter pipeline).  b2nd
+works better when the compressed chunk is big enough to minimize the number of
+chunks in the array, while still fitting in the CPU’s L3 cache (and leaving
+some extra room), and the blocksize is such that any block is likely to fit
+both compressed and uncompressed in each CPU core’s L2 cache.</p>
+<p>This last requirement of course depends on the data itself and the compression
+algorithm and parameters chosen.  The Blosc2 library uses some heuristics to
+choose a good enough blocksize given a compression algorithm and level.  Once
+you choose an algorithm which fits your data, you may use the program
+examples/get_blocksize.c in the C-Blosc2 package to get the default blocksize
+for the different levels of that compression algorithm (it already contains
+some sample output for zstd).  In the example benchmarks below, with the LZ4
+algorithm and compression level 8, we got a blocksize of 2MB which fitted in
+the L2 cache of each of our CPU cores.</p>
+<p>With that compression setup, we ran the benchmark in
+bench/b2nd_compare_getslice.py, which compares the throughput of slicing a
+4-dimensional array of 50x100x300x250 long floats (2.8GB) along each of its
+dimensions for PyTables with flat slicing (via the HDF5 filter mechanism),
+PyTables with b2nd slicing (optimized via direct chunk access), and h5py
+(which also uses the HDF5 filter).  The result for a chunkshape of 10x25x50x50
+is shown in <a class="reference internal" href="#b2ndslicing-vs-filter-smallchunk"><span class="std std-ref">figure</span></a>.</p>
+<figure class="align-center" id="id11">
+<span id="b2ndslicing-vs-filter-smallchunk"></span><img alt="../_images/b2nd_getslice_small.png" src="../_images/b2nd_getslice_small.png" />
+<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>
+</figcaption>
+</figure>
+<p>The optimized b2nd slicing of PyTables already provided some sizable speedups
+in comparison with flat slicing based on the HDF5 filter pipeline in the inner
+dimensions.  But the 4.8MB chunksize was probably too small for the CPU’s L3
+cache of 32MB, causing extra overhead.  By proceeding to adjust the chunkshape
+to 10x25x150x100 (28.6MB), that fits in the L3 cache, the performance gains
+are palpable, as shown in <a class="reference internal" href="#b2ndslicing-vs-filter-bigchunk"><span class="std std-ref">figure</span></a>.</p>
+<figure class="align-center" id="id12">
+<span id="b2ndslicing-vs-filter-bigchunk"></span><img alt="../_images/b2nd_getslice_big.png" src="../_images/b2nd_getslice_big.png" />
+<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>
+</figcaption>
+</figure>
+<p>Choosing a better chunkshape not just provided up to 5x speedup for the
+PyTables optimized case, it also resulted in 3x-4x speedups compared to the
+performance of the HDF5 filter.</p>
+<p>Optimized b2nd slicing in PyTables has its limitations, though: it only works
+with contiguous slices (that is, with step 1) and on datasets with the same
+byte ordering as the host machine.  However, the performance gains may be
+worth the extra effort of choosing the right compression parameters and
+chunksizes when your use case is not affected by those limitations.</p>
+</section>
 </section>
 <section id="accelerating-your-searches">
-<span id="searchoptim"></span><h2>Accelerating your searches<a class="headerlink" href="#accelerating-your-searches" title="Permalink to this heading">¶</a></h2>
+<span id="searchoptim"></span><h2>Accelerating your searches<a class="headerlink" href="#accelerating-your-searches" title="Link 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
@@ -376,7 +346,7 @@ <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="Permalink to this heading">¶</a></h3>
+<span id="inkernelsearch"></span><h3>In-kernel searches<a class="headerlink" href="#in-kernel-searches" title="Link 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>.
@@ -392,11 +362,11 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 actually make PyTables very competitive when compared against typical
 relational databases as you can see in <a class="reference internal" href="#sequentialtimes-10m"><span class="std std-ref">Figure 5</span></a>
 and <a class="reference internal" href="#sequentialtimes-1g"><span class="std std-ref">Figure 6</span></a>.</p>
-<figure class="align-center" id="id11">
+<figure class="align-center" id="id13">
 <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="#id11" title="Permalink to this image">¶</a></p>
+10 millions of rows: the data fits in memory.</strong></span><a class="headerlink" href="#id13" title="Link 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
@@ -441,11 +411,11 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 using the LZO compressor is the best way to ensure best reading/querying
 performance for out-of-core datasets (more about how compression affects
 performance in <a class="reference internal" href="#compressionissues"><span class="std std-ref">Compression issues</span></a>).</p>
-<figure class="align-center" id="id12">
+<figure class="align-center" id="id14">
 <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="#id12" title="Permalink to this image">¶</a></p>
+billion of rows: the data does not fit in memory.</strong></span><a class="headerlink" href="#id14" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Furthermore, you can mix the <em>in-kernel</em> and <em>regular</em> selection modes for
@@ -474,11 +444,11 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 uses it in a way that complements the existing Blosc HDF5 filter.
 Just as comparison point, below there is a profile of 6 different
 in-kernel queries using the standard Zlib, Blosc and Blosc2 compressors:</p>
-<figure class="align-center" id="id13">
+<figure class="align-center" id="id15">
 <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="#id13" title="Permalink to this image">¶</a></p>
+Data comes from an actual set of meteorological measurements.</strong></span><a class="headerlink" href="#id15" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>As you can see, Blosc, but specially Blosc2, can get much better performance
@@ -502,11 +472,11 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 faster than with no using compression; so with Blosc2 you can have the best of the
 two worlds: top-class speed while keeping good compression ratios (see
 <a class="reference internal" href="#compressionratio-zlib-blosc-blosc2"><span class="std std-ref">figure</span></a>).</p>
-<figure class="align-center" id="id14">
+<figure class="align-center" id="id16">
 <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="#id14" title="Permalink to this image">¶</a></p>
+Data comes from an actual set of meteorological measurements.</strong></span><a class="headerlink" href="#id16" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Furthermore, and despite that the dataset is 3.1 GB in size, the memory
@@ -521,11 +491,11 @@ <h2>Understanding chunking<a class="headerlink" href="#understanding-chunking" t
 can be very close in performance even when compared with pandas.  That
 is because the boost provided by Blosc2 compression almost compensate the
 overhead of HDF5 and the filesystem layers.</p>
-<figure class="align-center" id="id15">
+<figure class="align-center" id="id17">
 <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="#id15" title="Permalink to this image">¶</a></p>
+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>
 </figcaption>
 </figure>
 <p>You can see more info about Blosc2 and how it collaborates with HDF5 for
@@ -533,7 +503,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Link 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
@@ -601,16 +571,16 @@ <h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Permal
 other scenarios as well (specially updates and deletions), and this fact
 leads not only to slower index creation times, but also to indexes taking
 much more space on disk, as you can see in <a class="reference internal" href="#indexsizes"><span class="std std-ref">Figure 8</span></a>.</p>
-<figure class="align-center" id="id16">
+<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="#id16" title="Permalink 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="Link to this image">¶</a></p>
 </figcaption>
 </figure>
-<figure class="align-center" id="id17">
+<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="#id17" title="Permalink 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="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>The user can select the index quality by passing the desired optlevel and
@@ -620,11 +590,11 @@ <h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Permal
 sizes.</p>
 <p>So, which is the effect of the different optimization levels in terms of
 query times?  You can see that in <a class="reference internal" href="#querytimes-indexed-optlevels"><span class="std std-ref">Figure 9</span></a>.</p>
-<figure class="align-center" id="id18">
+<figure class="align-center" id="id20">
 <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="#id18" title="Permalink 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="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Of course, compression also has an effect when doing indexed queries,
@@ -633,18 +603,18 @@ <h3>Indexed searches<a class="headerlink" href="#indexed-searches" title="Permal
 As you can see, the difference between using no compression and using Zlib or
 LZO is very little, although LZO achieves relatively better performance
 generally speaking.</p>
-<figure class="align-center" id="id19">
+<figure class="align-center" id="id21">
 <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="#id19" title="Permalink to this image">¶</a></p>
+random queries) for different compressors.</strong></span><a class="headerlink" href="#id21" title="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Indexing and Solid State Disks (SSD)<a class="headerlink" href="#indexing-and-solid-state-disks-ssd" title="Link 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
@@ -668,11 +638,11 @@ <h3>Indexing and Solid State Disks (SSD)<a class="headerlink" href="#indexing-an
 performance in queries is needed.  It is also interesting that using
 compression with LZO does have a clear advantage over when no compression is
 done.</p>
-<figure class="align-center" id="id20">
+<figure class="align-center" id="id22">
 <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="#id20" title="Permalink to this image">¶</a></p>
+random queries) for different disk storage (SSD vs spinning disks).</strong></span><a class="headerlink" href="#id22" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Finally, we should remark that SSD can’t compete with traditional spinning
@@ -692,7 +662,7 @@ <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="Permalink 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="Link 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
@@ -727,11 +697,11 @@ <h3>Achieving ultimate speed: sorted tables and beyond<a class="headerlink" href
 grow almost linearly, showing a near-perfect scalability for both RAID-0 and
 SSD setups (the sequential access to disk becomes the bottleneck in this
 case).</p>
-<figure class="align-center" id="id21">
+<figure class="align-center" id="id23">
 <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="#id21" title="Permalink to this image">¶</a></p>
+random queries) for unsorted and sorted tables.</strong></span><a class="headerlink" href="#id23" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Even though we have shown many ways to improve query times that should
@@ -747,7 +717,7 @@ <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="Permalink to this heading">¶</a></h2>
+<span id="compressionissues"></span><h2>Compression issues<a class="headerlink" href="#compression-issues" title="Link 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
@@ -756,7 +726,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>A study on supported compression libraries<a class="headerlink" href="#a-study-on-supported-compression-libraries" title="Link 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
@@ -807,10 +777,10 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 in <a class="reference internal" href="#comprtblcomparison"><span class="std std-ref">Figure 13</span></a>. As you can see, LZO is the
 compressor that performs worse in this sense, but, curiously enough, there is
 not much difference between Zlib and bzip2.</p>
-<figure class="align-center" id="id22">
+<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="#id22" title="Permalink 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="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>Also, PyTables lets you select different compression levels for Zlib and
@@ -821,20 +791,20 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 achieved by selecting different levels of Zlib.  Very oddly, the best
 compression ratio corresponds to level 1 (!).  See later for an explanation
 and more figures on this subject.</p>
-<figure class="align-center" id="id23">
+<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="#id23" title="Permalink 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="Link 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
 speed of writing rows evolves as the size (number of rows) of the table
 grows. Even though in these graphs the size of one single row is 16 bytes,
 you can most probably extrapolate these figures to other row sizes.</p>
-<figure class="align-center" id="id24">
+<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="#id24" title="Permalink 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="Link 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
@@ -862,18 +832,18 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 using compression at all. Finally, one can see that reading performance is
 very badly affected when bzip2 is used (it is 10x slower than LZO and 4x than
 Zlib), but this was somewhat expected anyway.</p>
-<figure class="align-center" id="id25">
+<figure class="align-center" id="id27">
 <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="#id25" title="Permalink to this image">¶</a></p>
+The file is not in the OS cache.</strong></span><a class="headerlink" href="#id27" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
-<figure class="align-center" id="id26">
+<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="#id26" title="Permalink to this image">¶</a></p>
+The file is in the OS cache.</strong></span><a class="headerlink" href="#id28" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>So, generally speaking and looking at the experiments above, you can expect
@@ -912,22 +882,22 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 general, but you may want to experiment with it in those cases where you know
 that it is well suited for your data pattern (for example, for dealing with
 repetitive string datasets).</p>
-<figure class="align-center" id="id27">
+<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="#id27" title="Permalink 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="Link to this image">¶</a></p>
 </figcaption>
 </figure>
-<figure class="align-center" id="id28">
+<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="#id28" title="Permalink to this image">¶</a></p>
+compression. The file is in the OS cache.</strong></span><a class="headerlink" href="#id30" title="Link 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="Permalink 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="Link 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
@@ -966,11 +936,11 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 more (!), while Zlib and bzip2 are seeing improvements of 2x. Once again, the
 data for this experiment is synthetic, and <em>shuffle</em> seems to do a great work
 with it, but in general, the results will vary in each case <a class="footnote-reference brackets" href="#id6" id="id3" role="doc-noteref"><span class="fn-bracket">[</span>3<span class="fn-bracket">]</span></a>.</p>
-<figure class="align-center" id="id29">
+<figure class="align-center" id="id31">
 <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="#id29" title="Permalink to this image">¶</a></p>
+without the shuffle filter.</strong></span><a class="headerlink" href="#id31" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>At any rate, the most remarkable fact about the <em>shuffle</em> filter is the
@@ -993,25 +963,25 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 But perhaps more exciting is the fact that the reading process
 (unshuffling+decompressing) is also accelerated by a similar extent (a 20%
 for LZO, 60% for Zlib and a 75% for Bzip2, roughly).</p>
-<figure class="align-center" id="id30">
+<figure class="align-center" id="id32">
 <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="#id30" title="Permalink to this image">¶</a></p>
+without the shuffle filter.</strong></span><a class="headerlink" href="#id32" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
-<figure class="align-center" id="id31">
+<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="#id31" title="Permalink to this image">¶</a></p>
+shuffle filter. The file is not in OS cache.</strong></span><a class="headerlink" href="#id33" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
-<figure class="align-center" id="id32">
+<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="#id32" title="Permalink to this image">¶</a></p>
+without the shuffle filter. The file is in OS cache.</strong></span><a class="headerlink" href="#id34" title="Link to this image">¶</a></p>
 </figcaption>
 </figure>
 <p>You may wonder why introducing another filter in the write/read pipelines
@@ -1029,7 +999,7 @@ <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="Permalink 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="Link 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
@@ -1075,8 +1045,8 @@ <h3>A study on supported compression libraries<a class="headerlink" href="#a-stu
 this benchmark is run twice for two different values of the LRU cache size,
 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="id33">
-<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="#id33" title="Permalink to this table">¶</a></caption>
+<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>
 <thead>
 <tr class="row-odd"><th class="head" colspan="2"><p>Number:</p></th>
 <th class="head" colspan="4"><p>100 nodes</p></th>
@@ -1164,7 +1134,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Compacting your PyTables files<a class="headerlink" href="#compacting-your-pytables-files" title="Link 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
@@ -1209,50 +1179,33 @@ <h2>Compacting your PyTables files<a class="headerlink" href="#compacting-your-p
 
 
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diff --git a/usersguide/parameter_files.html b/usersguide/parameter_files.html
index 13cfee9..5783b67 100644
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+++ b/usersguide/parameter_files.html
@@ -1,48 +1,21 @@
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   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+  <title>PyTables parameter files &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
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-                3.8.1.dev0
+                3.9.0
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 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
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+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
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@@ -123,75 +70,33 @@
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+             
   <section id="pytables-parameter-files">
-<span id="parameter-files"></span><h1>PyTables parameter files<a class="headerlink" href="#pytables-parameter-files" title="Permalink to this heading">¶</a></h1>
+<span id="parameter-files"></span><h1>PyTables parameter files<a class="headerlink" href="#pytables-parameter-files" title="Link 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
@@ -222,12 +127,12 @@
 <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="Permalink to this heading">¶</a></h2>
+<h2>Tunable parameters in parameters.py<a class="headerlink" href="#tunable-parameters-in-parameters-py" title="Link to this heading">¶</a></h2>
 <section id="recommended-maximum-values">
-<h3>Recommended maximum values<a class="headerlink" href="#recommended-maximum-values" title="Permalink to this heading">¶</a></h3>
+<h3>Recommended maximum values<a class="headerlink" href="#recommended-maximum-values" title="Link 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="Permalink 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="Link 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>
@@ -235,40 +140,40 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Cache limits<a class="headerlink" href="#cache-limits" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -279,25 +184,25 @@ <h3>Cache limits<a class="headerlink" href="#cache-limits" title="Permalink to t
 
 <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -315,40 +220,40 @@ <h3>Cache limits<a class="headerlink" href="#cache-limits" title="Permalink to t
 
 </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="Permalink to this heading">¶</a></h3>
+<h3>Parameters for the different internal caches<a class="headerlink" href="#parameters-for-the-different-internal-caches" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -356,38 +261,38 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Parameters for general cache behaviour<a class="headerlink" href="#parameters-for-general-cache-behaviour" title="Link 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()
@@ -397,7 +302,7 @@ <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="Permalink 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="Link 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
@@ -406,7 +311,7 @@ <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="Permalink 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="Link 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>
@@ -414,46 +319,46 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Link 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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -463,7 +368,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Permalink to
 
 <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="Permalink 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="Link 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
@@ -473,7 +378,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Permalink to
 
 <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="Permalink 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="Link 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
@@ -483,7 +388,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Permalink to
 
 <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="Permalink 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="Link 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>
@@ -494,7 +399,7 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Permalink to
 
 <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="Permalink 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="Link 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>).
@@ -507,10 +412,10 @@ <h3>Miscellaneous<a class="headerlink" href="#miscellaneous" title="Permalink to
 
 </section>
 <section id="hdf5-driver-management">
-<h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" title="Permalink to this heading">¶</a></h3>
+<h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" title="Link 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="Permalink 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="Link 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>
@@ -579,7 +484,7 @@ <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="Permalink 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="Link 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">
@@ -589,7 +494,7 @@ <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="Permalink 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="Link 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">
@@ -599,7 +504,7 @@ <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="Permalink 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="Link 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">
@@ -609,7 +514,7 @@ <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="Permalink 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="Link 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>
@@ -620,7 +525,7 @@ <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="Permalink 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="Link 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
@@ -642,7 +547,7 @@ <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="Permalink 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="Link 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>
@@ -659,7 +564,7 @@ <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="Permalink 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="Link 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
@@ -673,7 +578,7 @@ <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="Permalink 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="Link 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
@@ -691,50 +596,33 @@ <h3>HDF5 driver management<a class="headerlink" href="#hdf5-driver-management" t
 
 
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-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
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+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
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+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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diff --git a/usersguide/tutorials.html b/usersguide/tutorials.html
index 16f44a5..943be00 100644
--- a/usersguide/tutorials.html
+++ b/usersguide/tutorials.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>Tutorials &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
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-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
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+  <title>Tutorials &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
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-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
-        <script src="../_static/jquery.js"></script>
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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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="next" title="Library Reference" href="libref.html" />
@@ -61,55 +34,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
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+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
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-            
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+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -123,75 +70,33 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
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         </div>
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+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <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><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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/usersguide/tutorials.rst.txt" rel="nofollow"> View page source</a>
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 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="tutorials">
-<h1>Tutorials<a class="headerlink" href="#tutorials" title="Permalink to this heading">¶</a></h1>
+<h1>Tutorials<a class="headerlink" href="#tutorials" title="Link 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,
@@ -209,7 +114,7 @@ <h1>Tutorials<a class="headerlink" href="#tutorials" title="Permalink to this he
 <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="Permalink to this heading">¶</a></h2>
+<h2>Getting started<a class="headerlink" href="#getting-started" title="Link 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
@@ -220,7 +125,7 @@ <h2>Getting started<a class="headerlink" href="#getting-started" title="Permalin
 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="Permalink to this heading">¶</a></h3>
+<h3>Importing tables objects<a class="headerlink" href="#importing-tables-objects" title="Link 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>
@@ -241,7 +146,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Declaring a Column Descriptor<a class="headerlink" href="#declaring-a-column-descriptor" title="Link 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
@@ -271,7 +176,7 @@ <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="go">&gt;&gt;&gt;</span>
+<span class="gp">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>This definition class is self-explanatory. Basically, you declare a class
@@ -286,7 +191,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Creating a PyTables file from scratch<a class="headerlink" href="#creating-a-pytables-file-from-scratch" title="Link 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>
@@ -300,7 +205,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Creating a new group<a class="headerlink" href="#creating-a-new-group" title="Link 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>
@@ -314,7 +219,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Creating a new table<a class="headerlink" href="#creating-a-new-table" title="Link 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>
@@ -386,7 +291,7 @@ <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="go">&gt;&gt;&gt;</span>
+<span class="gp">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>This code should be easy to understand. The lines inside the loop just assign
@@ -405,7 +310,7 @@ <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="Permalink 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="Link 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>
@@ -475,7 +380,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Creating new array objects<a class="headerlink" href="#creating-new-array-objects" title="Link 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
@@ -537,7 +442,7 @@ <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="Permalink 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="Link 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>
@@ -591,20 +496,20 @@ <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="Permalink to this image">¶</a></p>
+view of the data objects.</strong></span><a class="headerlink" href="#id9" title="Link 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="Permalink to this heading">¶</a></h2>
+<h2>Browsing the <em>object tree</em><a class="headerlink" href="#browsing-the-object-tree" title="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Traversing the object tree<a class="headerlink" href="#traversing-the-object-tree" title="Link 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>
@@ -690,7 +595,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Setting and getting user attributes<a class="headerlink" href="#setting-and-getting-user-attributes" title="Link 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
@@ -876,9 +781,14 @@ <h3>Setting and getting user attributes<a class="headerlink" href="#setting-and-
 </div>
 <p>Attributes are a useful mechanism to add persistent (meta) information to
 your data.</p>
+<p>Starting with PyTables 3.9.0, you can also set, delete, or rename attributes on individual columns. The API is designed to behave the same way as attributes on a table:</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">pressure</span><span class="o">.</span><span class="n">attrs</span><span class="p">[</span><span class="s1">&#39;units&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;kPa&#39;</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">energy</span><span class="o">.</span><span class="n">attrs</span><span class="p">[</span><span class="s1">&#39;units&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;MeV&#39;</span>
+</pre></div>
+</div>
 </section>
 <section id="getting-object-metadata">
-<h3>Getting object metadata<a class="headerlink" href="#getting-object-metadata" title="Permalink to this heading">¶</a></h3>
+<h3>Getting object metadata<a class="headerlink" href="#getting-object-metadata" title="Link 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>
@@ -1003,7 +913,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Reading data from Array objects<a class="headerlink" href="#reading-data-from-array-objects" title="Link 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>
@@ -1014,7 +924,7 @@ <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="go">&gt;&gt;&gt;</span>
+<span class="gp">&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>
@@ -1038,13 +948,13 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Commiting data to tables and arrays<a class="headerlink" href="#commiting-data-to-tables-and-arrays" title="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Appending data to an existing table<a class="headerlink" href="#appending-data-to-an-existing-table" title="Link 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>
@@ -1099,7 +1009,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Modifying data in tables<a class="headerlink" href="#modifying-data-in-tables" title="Link 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
@@ -1192,7 +1102,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Modifying data in arrays<a class="headerlink" href="#modifying-data-in-arrays" title="Link 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>
@@ -1232,7 +1142,7 @@ <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="Permalink 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="Link 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>
@@ -1255,19 +1165,19 @@ <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="Permalink 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="Link 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="Permalink 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="Link 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="Permalink 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="Link 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
@@ -1396,7 +1306,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Shape checking<a class="headerlink" href="#shape-checking" title="Link 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>$<span class="w"> </span>python3<span class="w"> </span>tutorial2.py
@@ -1423,7 +1333,7 @@ <h3>Shape checking<a class="headerlink" href="#shape-checking" title="Permalink
 <em>broadcasting</em>.</p>
 </section>
 <section id="field-name-checking">
-<h3>Field name checking<a class="headerlink" href="#field-name-checking" title="Permalink to this heading">¶</a></h3>
+<h3>Field name checking<a class="headerlink" href="#field-name-checking" title="Link to this heading">¶</a></h3>
 <p>After fixing the previous error and rerunning the program, we encounter
 another error.</p>
 <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>python3<span class="w"> </span>tutorial2.py
@@ -1446,7 +1356,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Data type checking<a class="headerlink" href="#data-type-checking" title="Link 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>:
@@ -1468,13 +1378,13 @@ <h3>Data type checking<a class="headerlink" href="#data-type-checking" title="Pe
 <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="Permalink 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="Link 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="Permalink 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="Link 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>
@@ -1495,7 +1405,7 @@ <h3>Data type checking<a class="headerlink" href="#data-type-checking" title="Pe
 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="Permalink to this heading">¶</a></h3>
+<h3>Interactive example<a class="headerlink" href="#interactive-example" title="Link 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>
@@ -1629,7 +1539,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Exercising the Undo/Redo feature<a class="headerlink" href="#exercising-the-undo-redo-feature" title="Link 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
@@ -1654,7 +1564,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>A basic example<a class="headerlink" href="#a-basic-example" title="Link 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
@@ -1786,7 +1696,7 @@ <h3>A basic example<a class="headerlink" href="#a-basic-example" title="Permalin
 file.</p>
 </section>
 <section id="a-more-complete-example">
-<h3>A more complete example<a class="headerlink" href="#a-more-complete-example" title="Permalink to this heading">¶</a></h3>
+<h3>A more complete example<a class="headerlink" href="#a-more-complete-example" title="Link 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.
@@ -1895,7 +1805,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" title="Link 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
@@ -1938,7 +1848,7 @@ <h2>Using enumerated types<a class="headerlink" href="#using-enumerated-types" t
   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="gr">AttributeError</span>: <span class="n">no enumerated value with that name: &#39;yellow&#39;</span>
-<span class="go">&gt;&gt;&gt;</span>
+<span class="gp">&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>
@@ -1968,7 +1878,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Link 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
@@ -1979,7 +1889,7 @@ <h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Pe
 <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="go">&gt;&gt;&gt;</span>
+<span class="gp">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>We declared the ballColor column to be of the enumerated type colors, with a
@@ -1994,7 +1904,7 @@ <h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Pe
 <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="go">&gt;&gt;&gt;</span>
+<span class="gp">&gt;&gt;&gt;</span>
 </pre></div>
 </div>
 <p>Notice how we used the __getitem__() call of colors to get the concrete value
@@ -2035,7 +1945,7 @@ <h3>Enumerated columns<a class="headerlink" href="#enumerated-columns" title="Pe
 (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="Permalink to this heading">¶</a></h3>
+<h3>Enumerated arrays<a class="headerlink" href="#enumerated-arrays" title="Link 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
@@ -2088,7 +1998,7 @@ <h3>Enumerated arrays<a class="headerlink" href="#enumerated-arrays" title="Perm
 </section>
 </section>
 <section id="nested-structures-in-tables">
-<h2>Nested structures in tables<a class="headerlink" href="#nested-structures-in-tables" title="Permalink to this heading">¶</a></h2>
+<h2>Nested structures in tables<a class="headerlink" href="#nested-structures-in-tables" title="Link 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,
@@ -2123,7 +2033,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Creating nested tables<a class="headerlink" href="#creating-nested-tables" title="Link 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>
@@ -2147,7 +2057,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Reading nested tables<a class="headerlink" href="#reading-nested-tables" title="Link 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>
@@ -2194,7 +2104,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Using Cols accessor<a class="headerlink" href="#using-cols-accessor" title="Link 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>
@@ -2232,7 +2142,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Accessing meta-information of nested tables<a class="headerlink" href="#accessing-meta-information-of-nested-tables" title="Link 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>
@@ -2275,20 +2185,20 @@ <h3>Accessing meta-information of nested tables<a class="headerlink" href="#acce
 the same kind of information. This is because even for nested structures, a Description
 object is returned.</p>
 <p>It is possible to create arrays that immitate nested table-like structure with _v_nested_descr attribute:</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">numpy</span>
+<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">numpy</span> <span class="k">as</span> <span class="nn">np</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">table</span><span class="o">.</span><span class="n">description</span><span class="o">.</span><span class="n">_v_nested_descr</span>
 <span class="go">[(&#39;info2&#39;, [(&#39;info3&#39;, [(&#39;x&#39;, &#39;()f8&#39;), (&#39;y&#39;, &#39;()u1&#39;)]), (&#39;name&#39;, &#39;()S10&#39;),</span>
 <span class="go"> (&#39;value&#39;, &#39;()f8&#39;)]), (&#39;info1&#39;, [(&#39;name&#39;, &#39;()S10&#39;), (&#39;value&#39;, &#39;()f8&#39;)]),</span>
 <span class="go"> (&#39;color&#39;, &#39;()u4&#39;)]</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">numpy</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
-<span class="go">                    dtype=table.description._v_nested_descr)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">table</span><span class="o">.</span><span class="n">description</span><span class="o">.</span><span class="n">_v_nested_descr</span><span class="p">)</span>
 <span class="go">recarray([],</span>
 <span class="go">      dtype=[(&#39;info2&#39;, [(&#39;info3&#39;, [(&#39;x&#39;, &#39;&gt;f8&#39;), (&#39;y&#39;, &#39;|u1&#39;)]),</span>
 <span class="go">             (&#39;name&#39;, &#39;|S10&#39;), (&#39;value&#39;, &#39;&gt;f8&#39;)]),</span>
 <span class="go">             (&#39;info1&#39;, [(&#39;name&#39;, &#39;|S10&#39;), (&#39;value&#39;, &#39;&gt;f8&#39;)]),</span>
 <span class="go">             (&#39;color&#39;, &#39;&gt;u4&#39;)])</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">numpy</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">shape</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
-<span class="go">                    dtype=table.description.info2._v_nested_descr)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">rec</span><span class="o">.</span><span class="n">array</span><span class="p">(</span>
+<span class="go">        None, shape=0, dtype=table.description.info2._v_nested_descr</span>
+<span class="go">    )</span>
 <span class="go">recarray([],</span>
 <span class="go">      dtype=[(&#39;info3&#39;, [(&#39;x&#39;, &#39;&gt;f8&#39;), (&#39;y&#39;, &#39;|u1&#39;)]), (&#39;name&#39;, &#39;|S10&#39;),</span>
 <span class="go">             (&#39;value&#39;, &#39;&gt;f8&#39;)])</span>
@@ -2355,7 +2265,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Other examples in PyTables distribution<a class="headerlink" href="#other-examples-in-pytables-distribution" title="Link 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
@@ -2388,50 +2298,33 @@ <h2>Other examples in PyTables distribution<a class="headerlink" href="#other-ex
 
 
            </div>
-           
           </div>
-          <footer>
-    <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-        <a href="libref.html" class="btn btn-neutral float-right" title="Library Reference" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="installation.html" class="btn btn-neutral float-left" title="Installation" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="libref.html" class="btn btn-neutral float-right" title="Library Reference" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
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     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
 </footer>
         </div>
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+  <script>
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diff --git a/usersguide/usersguide.html b/usersguide/usersguide.html
index c41b75d..e7ec795 100644
--- a/usersguide/usersguide.html
+++ b/usersguide/usersguide.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  
-  <title>PyTables User’s Guide &mdash; PyTables 3.8.1.dev0 documentation</title>
-  
-
-  
-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
-  <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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-  <link rel="stylesheet" href="../_static/graphviz.css" type="text/css" />
-
-  
-  
-
-  
-  
-
-  
-
-  
+  <title>PyTables User’s Guide &mdash; PyTables 3.9.0 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" />
   <!--[if lt IE 9]>
     <script src="../_static/js/html5shiv.min.js"></script>
   <![endif]-->
   
-    
-      <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
-        <script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
-        <script src="../_static/jquery.js"></script>
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-        <script src="../_static/_sphinx_javascript_frameworks_compat.js"></script>
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-        <script src="../_static/sphinx_highlight.js"></script>
-    
-    <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-    
+        <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 src="../_static/js/theme.js"></script>
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
  
@@ -59,55 +32,29 @@
 
 </head>
 
-<body class="wy-body-for-nav">
-
-   
+<body class="wy-body-for-nav"> 
   <div class="wy-grid-for-nav">
-    
     <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">
-          
-
           
+          <a href="../index.html">
             
-            <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
-          
+              <img src="../_static/logo-pytables-small.png" class="logo" alt="Logo"/>
           </a>
-
-          
-            
-            
               <div class="version">
-                3.8.1.dev0
+                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" />
+    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
     <input type="hidden" name="check_keywords" value="yes" />
     <input type="hidden" name="area" value="default" />
   </form>
 </div>
-
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-        </div>
-
-        
-        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-          
-            
-            
-              
-            
-            
+        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
               <ul>
 <li class="toctree-l1"><a class="reference internal" href="index.html">User’s Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../cookbook/index.html">Cookbook</a></li>
@@ -121,73 +68,32 @@
 <li class="toctree-l1"><a class="reference internal" href="../dev_team.html">Development Team</a></li>
 </ul>
 
-            
-          
         </div>
-        
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     </nav>
 
-    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-      
-      <nav class="wy-nav-top" aria-label="top navigation">
-        
+    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
           <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
           <a href="../index.html">PyTables</a>
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-
-
-
-<div role="navigation" aria-label="breadcrumbs navigation">
-
+          <div role="navigation" aria-label="Page navigation">
   <ul class="wy-breadcrumbs">
-    
-      <li><a href="../index.html" class="icon icon-home"></a> &raquo;</li>
-        
-      <li>PyTables User’s Guide</li>
-    
-    
+      <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 class="wy-breadcrumbs-aside">
-        
-          
             <a href="../_sources/usersguide/usersguide.rst.txt" rel="nofollow"> View page source</a>
-          
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       </li>
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   </ul>
-
-  
   <hr/>
 </div>
           <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
            <div itemprop="articleBody">
-            
+             
   <section id="pytables-user-s-guide">
-<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Permalink to this heading">¶</a></h1>
+<h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" title="Link 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,
@@ -197,13 +103,13 @@ <h1>PyTables User’s Guide<a class="headerlink" href="#pytables-user-s-guide" t
 <dd class="field-even"><p>© 2002, 2003, 2004 - Francesc Alted</p>
 <p>© 2005, 2006, 2007 - Cárabos Coop. V.</p>
 <p>© 2008, 2009, 2010 - Francesc Alted</p>
-<p>© 2011–2022 - PyTables maintainers</p>
+<p>© 2011–2023 - PyTables maintainers</p>
 </dd>
 <dt class="field-odd">Date<span class="colon">:</span></dt>
-<dd class="field-odd"><p>Feb 02, 2023</p>
+<dd class="field-odd"><p>Oct 04, 2023</p>
 </dd>
 <dt class="field-even">Version<span class="colon">:</span></dt>
-<dd class="field-even"><p>3.8.1.dev0</p>
+<dd class="field-even"><p>3.9.0</p>
 </dd>
 <dt class="field-odd">Home Page<span class="colon">:</span></dt>
 <dd class="field-odd"><p><a class="reference external" href="http://www.pytables.org">http://www.pytables.org</a></p>
@@ -234,7 +140,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>The PyTables Core Library<a class="headerlink" href="#the-pytables-core-library" title="Link 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>
@@ -246,7 +152,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>Complementary modules<a class="headerlink" href="#complementary-modules" title="Link 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>
@@ -254,7 +160,7 @@ <h2>Complementary modules<a class="headerlink" href="#complementary-modules" tit
 </div>
 </section>
 <section id="appendixes">
-<h2>Appendixes<a class="headerlink" href="#appendixes" title="Permalink to this heading">¶</a></h2>
+<h2>Appendixes<a class="headerlink" href="#appendixes" title="Link 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>
@@ -274,46 +180,30 @@ <h2>Appendixes<a class="headerlink" href="#appendixes" title="Permalink to this
 
 
            </div>
-           
           </div>
           <footer>
 
   <hr/>
 
   <div role="contentinfo">
-    <p>
-        &#169; Copyright 2011–2022, PyTables maintainers.
-
-    </p>
+    <p>&#169; Copyright 2011–2023, PyTables maintainers.</p>
   </div>
-    
-    
-    
-    Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
-    
+
+  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
     <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
-    
-    provided by <a href="https://readthedocs.org">Read the Docs</a>. 
+    provided by <a href="https://readthedocs.org">Read the Docs</a>.
+   
 
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+  </script> 
 
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diff --git a/usersguide/utilities.html b/usersguide/utilities.html
index 4a135c5..500c564 100644
--- a/usersguide/utilities.html
+++ b/usersguide/utilities.html
@@ -1,48 +1,21 @@
-
-
 <!DOCTYPE html>
 <html class="writer-html5" lang="en" >
 <head>
-  <meta charset="utf-8" />
-  <meta name="generator" content="Docutils 0.19: https://docutils.sourceforge.io/" />
+  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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-  <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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-
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+  <title>Utilities &mdash; PyTables 3.9.0 documentation</title>
+      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
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   <section id="utilities">
-<h1>Utilities<a class="headerlink" href="#utilities" title="Permalink to this heading">¶</a></h1>
+<h1>Utilities<a class="headerlink" href="#utilities" title="Link 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
@@ -203,13 +108,13 @@ <h1>Utilities<a class="headerlink" href="#utilities" title="Permalink to this he
 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="Permalink to this heading">¶</a></h2>
+<h2>ptdump<a class="headerlink" href="#ptdump" title="Link 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="Permalink to this heading">¶</a></h3>
+<h3>Usage<a class="headerlink" href="#usage" title="Link 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>$<span class="w"> </span>ptdump<span class="w"> </span>-h
 </pre></div>
@@ -245,7 +150,7 @@ <h3>Usage<a class="headerlink" href="#usage" title="Permalink to this heading">
 <p>Read on for a brief introduction to this utility.</p>
 </section>
 <section id="a-small-tutorial-on-ptdump">
-<h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-ptdump" title="Permalink to this heading">¶</a></h3>
+<h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-ptdump" title="Link to this heading">¶</a></h3>
 <p>Let’s suppose that we want to know only the <em>structure</em> of a file. In order
 to do that, just don’t pass any flag, just the file as parameter.</p>
 <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>ptdump<span class="w"> </span>vlarray1.h5
@@ -352,7 +257,7 @@ <h3>A small tutorial on ptdump<a class="headerlink" href="#a-small-tutorial-on-p
 </section>
 </section>
 <section id="ptrepack">
-<span id="ptrepackdescr"></span><h2>ptrepack<a class="headerlink" href="#ptrepack" title="Permalink to this heading">¶</a></h2>
+<span id="ptrepackdescr"></span><h2>ptrepack<a class="headerlink" href="#ptrepack" title="Link 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
@@ -363,7 +268,7 @@ <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="Permalink to this heading">¶</a></h3>
+<h3>Usage<a class="headerlink" href="#id1" title="Link 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
 </pre></div>
@@ -458,7 +363,7 @@ <h3>Usage<a class="headerlink" href="#id1" title="Permalink to this heading">¶<
 <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="Permalink to this heading">¶</a></h3>
+<h3>A small tutorial on ptrepack<a class="headerlink" href="#a-small-tutorial-on-ptrepack" title="Link 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
@@ -579,7 +484,7 @@ <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="Permalink to this heading">¶</a></h2>
+<h2>pt2to3<a class="headerlink" href="#pt2to3" title="Link 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
@@ -628,50 +533,33 @@ <h2>pt2to3<a class="headerlink" href="#pt2to3" title="Permalink to this heading"
 
 
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