[Python-Dev] devguide: Cover how to (un-)apply a patch.

[Antoine Pitrou]

> > The revert works with svn, hg and bzr. Using patch is not going to work on
> > Windoze unless cygwin has been installed.
> 
> I thought you were supposed to use some variant of "update" on hg
> instead revert, though.

I think what is discouraged is to "hg revert" to a different revision.
We are talking about reverting your working copy to its pristine state.

Regards

Antoine.