Donovan Baarda <abo@users.sourceforge.net>: Patch to make "\" in a character group work properly.
Donovan Baarda <abo@users.sourceforge.net>:
Patch to make "\" in a character group work properly.

This closes SF bug #409651.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator