https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v0_99_maint
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r7442 | efiring | 2009-08-09 14:02:56 -1000 (Sun, 09 Aug 2009) | 2 lines
patch from sage project: make unicode_safe safer
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r7443 | efiring | 2009-08-09 14:19:19 -1000 (Sun, 09 Aug 2009) | 3 lines
Patch from Jason, sage project: prevent failure with tiny arrows.
Also deleting unwanted whitespace in bezier.py.
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r7444 | efiring | 2009-08-09 14:31:30 -1000 (Sun, 09 Aug 2009) | 3 lines
Sage patch, slightly modified, to improve tk/tcl detection.
http://trac.sagemath.org/sage_trac/ticket/4176
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