Merged revisions 8758 via svnmerge from
https://matplotlib.svn.sf.net/svnroot/matplotlib/branches/v1_0_maint
........ r8758 | mdboom | 2010-10-22 11:00:31 -0400 (Fri, 22 Oct 2010) | 2 lines [3092255] Fix the direction of scroll event in Tk backend to match other backends. ........
Authored by: mdboom 2010-10-22
Parent: [r8758]
Child: [r8760]
