bug#42917: 27.1; temporary note included in 27 NEWS

[Eli Zaretskii]

> From: Stefan Kangas <stefankangas@gmail.com>
> Date: Wed, 19 Aug 2020 18:58:57 +0000
> Cc: alex.branham@gmail.com, 42917@debbugs.gnu.org, 
>       Nicolas Petton <nico@petton.fr>
> 
> I'm not sure what to do about this then.  Should we perhaps add
> anything else to admin/release-process to remind about this, for example:
> 
> modified   admin/release-process
> @@ -79,8 +79,10 @@ so e.g. admin/ is fine.)  This is important for
> legal compliance.
>  ** Remove temporary +++/--- lines in NEWS.
>  But first make sure there are no unmarked entries, and update the
>  documentation (or decide no updates are necessary) for those that aren't.

Something like that, yes.  There's also admin/make-tarball.txt.