gs9 everywhere

Author: ImportanceOfBeingErnest

INSTALL.rst

@@ -170,8 +170,8 @@ etc., you can install the following:
   animated gifs;
 * `Pillow <https://pillow.readthedocs.io/en/latest/>`_ (>= 3.4): for a larger
   selection of image file formats: JPEG, BMP, and TIFF image files;
-* `LaTeX <https://miktex.org/>`_ and `GhostScript
-  <https://ghostscript.com/download/>`_ (for rendering text with LaTeX).
+* `LaTeX <https://miktex.org/>`_ and `GhostScript (>=9.0)
+  <https://ghostscript.com/download/>`_ : for rendering text with LaTeX.
 
 .. note::
 

doc/devel/testing.rst

@@ -26,7 +26,7 @@ local FreeType build.
 The following software is required to run the tests:
 
 - pytest_ (>=3.6)
-- Ghostscript_ (to render PDF files)
+- Ghostscript_ (>= 9.0, to render PDF files)
 - Inkscape_ (to render SVG files)
 
 Optionally you can install:

lib/matplotlib/__init__.py

@@ -516,7 +516,7 @@ def checkdep_usetex(s):
     if not s:
         return False
 
-    gs_req = '8.60'
+    gs_req = '9.00'
     dvipng_req = '1.6'
     flag = True
 

tutorials/text/usetex.py

@@ -21,7 +21,7 @@
 
 Matplotlib's LaTeX support requires a working LaTeX_ installation, dvipng_
 (which may be included with your LaTeX installation), and Ghostscript_
-(GPL Ghostscript 8.60 or later is recommended). The executables for these
+(GPL Ghostscript 9.0 or later is required). The executables for these
 external dependencies must all be located on your :envvar:`PATH`.
 
 There are a couple of options to mention, which can be changed using