Improve sanitizing of CSS in style attributes (note that the Genshi documentation already warns users that enabling the style attribute is dangerous -- now it is slightly less dangerous). Fixes #455. Patch taken from jomae's Trac commit trac:r10788 and modified for Genshi -- thanks!

#!/bin/sh
#
# Script to run 2to3 on files not covered by setup.py
#
export PYTHONIOENCODING=utf8

# General 2to3 run
2to3 -w --no-diffs examples/