matplotlib Code

Fix theoretical memory leak.

Fix some uninitialized variable errors in valgrind.

Merged revisions 7027-7031 via svnmerge from
https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v0_98_5_maint

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r7027 | astraw | 2009-04-05 15:06:05 -0700 (Sun, 05 Apr 2009) | 1 line

pngsuite test: plot images in grayscale if the input array is 2 dimensional
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r7028 | astraw | 2009-04-05 15:07:01 -0700 (Sun, 05 Apr 2009) | 1 line

read 12 bit PNGs (patch from Tobias Wood)
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r7029 | astraw | 2009-04-05 15:07:34 -0700 (Sun, 05 Apr 2009) | 1 line

trivial: remove trailing whitespace from source code
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r7030 | astraw | 2009-04-05 15:08:24 -0700 (Sun, 05 Apr 2009) | 1 line

trivial: remove outdated comment
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r7031 | astraw | 2009-04-05 15:09:45 -0700 (Sun, 05 Apr 2009) | 1 line

update changelog about Tobias' patch
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Commit Michiel de Hoon's integration of path simplification into the
Mac OS-X backend. Thanks, Michiel!

Fix wiggly baseline problem (again -- should have truncated rather than rounded)

Merged revisions 6941 via svnmerge from
https://matplotlib.svn.sf.net/svnroot/matplotlib/branches/v0_98_5_maint

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r6941 | mdboom | 2009-02-27 08:30:13 -0500 (Fri, 27 Feb 2009) | 2 lines

Fix glyph alignment with STIX mathtext
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Merged revisions 6927-6928 via svnmerge from
https://matplotlib.svn.sf.net/svnroot/matplotlib/branches/v0_98_5_maint

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r6927 | mdboom | 2009-02-23 12:30:07 -0500 (Mon, 23 Feb 2009) | 2 lines

Add credit to Allen Haldane in comments.
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r6928 | mdboom | 2009-02-23 12:38:35 -0500 (Mon, 23 Feb 2009) | 2 lines

C++ standards compliance for use with Sun C++ compiler. These should be equivalent to what was there before on gcc.
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Minor comment and indentation fixes.

Fix indentation.

Add comment about how nan-removal on curves works.