[docs] [issue10875] Update Regular Expression HOWTO

[SilentGhost]

SilentGhost <ghost.adh at gmail.com> added the comment:

> While the changes all look innocuous to me with respect to building the docs, I am curious if you have tried to rebuild the HOWTO (if you have the tool chain, which I do not).

I did rebuild the docs with 'make html'. Build was clean every time. If you meant something else please let me know.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue10875>
_______________________________________