bug#58220: global-linum-mode emacs29

[Stefan Kangas]

Eli Zaretskii <eliz@gnu.org> writes:

> I'd suggest to include linum as well.  We don't know the users'
> preferences, and shouldn't second-guess them in this case.  The notes
> about backward compatibilities in NEWS are supposed to help users who
> want their old ways no matter what.  These notes do not provide our
> preferences and recommendations, because those are apparent from the
> defaults.

OK, that makes sense.  So I've added it (commit 039ada6d03).

If anyone wants to make any further adjustments or tweaks, please go
ahead.