[issue2650] re.escape should not escape underscore

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

James, could you propose a proper patch? Even better if you also give a couple of timing results, just for the record?

----------
versions: +Python 3.2 -Python 2.7, Python 3.1

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue2650>
_______________________________________