bug#55040: 29.0.50; Auto-indent-mode and Changelog Messages

[Eli Zaretskii]

> From: Philip Kaludercic <philipk@posteo.net>
> Cc: 55040@debbugs.gnu.org
> Date: Wed, 20 Apr 2022 20:59:59 +0000
> 
> > Looks like just turning off adaptive-fill-mode is enough to solve your
> > problem.
> 
> Should it be disabled for log-edit-mode in general?

Maybe.  I'd be interested in hearing opinions of others, since
different projects have different conventions wrt this.

Also, log-edit-mode doesn't turn on auto-fill-mode by default, so
maybe the change you propose should only be in effect if the user does
turn on auto-fill.