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bug#60580: 29.0.60; crash in xdisp.c with modus theme and display-fill-c
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From: |
Eli Zaretskii |
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Subject: |
bug#60580: 29.0.60; crash in xdisp.c with modus theme and display-fill-column-indicator |
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Date: |
Thu, 05 Jan 2023 22:35:43 +0200 |
> Cc: 60580@debbugs.gnu.org
> Date: Thu, 05 Jan 2023 22:03:48 +0200
> From: Eli Zaretskii <eliz@gnu.org>
>
> > Cc: 60580@debbugs.gnu.org
> > Date: Thu, 05 Jan 2023 21:57:39 +0200
> > From: Eli Zaretskii <eliz@gnu.org>
> >
> > > From: chad <yandros@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.