bug#64398: Buffer list

[Eli Zaretskii]

> From: Stefan Kangas <stefankangas@gmail.com>
> Date: Wed, 6 Sep 2023 04:54:39 -0700
> Cc: angelo.borsotti@gmail.com, 64398@debbugs.gnu.org
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> It's tempting to just bump this to some similarly conservative value
> >> like 15 or 12 on graphical displays, and be done with it.
> >
> > We could do that, but then 15 is the maximum value we could use, since
> > it makes the menu take 24 lines, which is the largest value possible
> > with 24-line TTY frames.
> 
> How about something like the below?

menu-bar.el is preloaded, so we should use custom-initialize-delay, I
think?

Otherwise LGTM, thanks.