bug#50674: Major mode for etc/AUTHORS with basic font-locking

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Date: Tue, 21 Sep 2021 21:41:43 +0300
> Cc: 50674@debbugs.gnu.org, Lars Ingebrigtsen <larsi@gnus.org>
> 
> >> I thought of another one -- NEWS should really have its own major mode
> >> to make it easier to edit.
> >
> > Indeed.  In comparison to the others, such a mode wouldn't (or
> > shouldn't) be purely cosmetic.
> 
> Gradually it will grow to become a doppelgänger of org-mode.

I don't see why.  We don't need any of the bells-and-whistles of Org
to edit NEWS, but we do need a couple of features that Org doesn't
have, like better support for marking the entries documented, easier
quoting, and a few more.