bug#51321: 29.0.50; date in modelines

[Eli Zaretskii]

> Date: Sun, 31 Oct 2021 10:14:32 +0000
> From: Alan Third <alan@idiocy.org>
> Cc: larsi@gnus.org, nisoni@algon.dk, stefan@marxist.se,
>       51321@debbugs.gnu.org, mardani29@yahoo.es
> 
> > > That was a long way of saying looks good to me.
> > 
> > Thanks.  On which branch would you recommend to install this?
> 
> I think it's safe, so I'd suggest we put it in emacs-28.

Done, and closing the bug report.