Merged revisions 7972 via svnmerge from
https://matplotlib.svn.sf.net/svnroot/matplotlib/branches/v0_99_maint
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r7972 | mdboom | 2009-11-18 11:19:21 -0500 (Wed, 18 Nov 2009) | 2 lines
Fix plot directive so it handles source files in various encodings.
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