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

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Package: emacs;

Reported by: chad <yandros <at> gmail.com>

Date: Thu, 5 Jan 2023 19:21:02 UTC

Severity: normal

Found in version 29.0.60

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #11 received at 60580 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: yandros <at> gmail.com, Protesilaos Stavrou <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 22:03:48 +0200

> 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.
This bug report was last modified 2 years and 193 days ago.

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