bug#56108: 29.0.50; ASAN use-after-free in re_match_2_internal

[Eli Zaretskii]

> Date: Fri, 24 Jun 2022 11:35:18 +0200
> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Cc: 56108@debbugs.gnu.org
> 
> Another note:  Should some document mention that trailing whitespace are not 
> allowed in the git repo?  I
> couldn't find that anywhere.

I think it should be in CONTRIBUTE.  But it should describe all the
checks done by our Git hooks in .git/hooks/, not just the
trailing-whitespace check.

I will write that if no one beats me to it.