GNU bug report logs - #60580
29.0.60; crash in xdisp.c with modus theme and display-fill-column-indicator

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Message #14 received at 60580 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: yandros <at> gmail.com, info <at> protesilaos.com
Cc: 60580 <at> debbugs.gnu.org
Subject: Re: bug#60580: 29.0.60;
 crash in xdisp.c with modus theme and display-fill-column-indicator
Date: Thu, 05 Jan 2023 22:35:43 +0200

> Cc: 60580 <at> debbugs.gnu.org
> Date: Thu, 05 Jan 2023 22:03:48 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> > Cc: 60580 <at> debbugs.gnu.org
> > Date: Thu, 05 Jan 2023 21:57:39 +0200
> > From: Eli Zaretskii <eliz <at> gnu.org>
> > 
> > > From: chad <yandros <at> gmail.com>
> > > Date: Thu, 5 Jan 2023 14:19:48 -0500
> > > 
> > > From emacs -q, evaluate:
> > > 
> > >   (custom-set-variables '(custom-enabled-themes '(modus-vivendi)))
> > >   (global-display-fill-column-indicator-mode 1)
> > > 
> > > Emacs will fail the eassert in append_stretch_glyph at
> > > xdisp.c:30993.
> > 
> > Doesn't happen here.  What is your default face's font with that theme?
> 
> I guess the culprit is this bit:
> 
>   ;;;;; display-fill-column-indicator-mode
>       `(fill-column-indicator ((,class :height 1 :background ,bg-region :foreground ,bg-region)))
> 
> I have no idea what is ":height 1" about, but I think it's wrong and
> should be replaced with some reasonable value.

Regardless, please try the latest emacs-29 branch, I hope I fixed the
assertion violation now.

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