bug#62376: 30.0.50; global-display-fill-column-indicator-modes broken?

[Eli Zaretskii]

> Cc: larsi@gnus.org, salutis@me.com, 62376-done@debbugs.gnu.org
> Date: Thu, 23 Mar 2023 11:04:48 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > From: Stefan Monnier <monnier@iro.umontreal.ca>
> > Cc: Rudolf Adamkovič <salutis@me.com>,  Lars Ingebrigtsen
> >  <larsi@gnus.org>,
> >   62376@debbugs.gnu.org
> > Date: Wed, 22 Mar 2023 13:52:50 -0400
> > 
> > >> So, today I customized the
> > >> 
> > >> > global-display-fill-column-indicator-modes
> > >> 
> > >> variable, and it does not work.
> > 
> > I think it's a thinko in the code: we define the variable but the code
> > hardcode the var's default value instead of looking up the variable's
> > actual value.
> > 
> > The patch below should fix it.
> 
> Thanks, I verified that this fixes the bug, and installed it on the
> emacs-29 branch.

Hmm... but "C-h v" still tells me the variable is defined in
loaddefs.el, until display-fill-column-indicator.el is loaded.  Can we
do anything to prevent this?