GNU bug report logs - #60210
30.0.50; tab-bar height not recalculated when face changes

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Juri Linkov <juri <at> linkov.net>
Cc: 60210 <at> debbugs.gnu.org, gabriel376 <at> hotmail.com
Subject: bug#60210: 30.0.50; tab-bar height not recalculated when face changes
Date: Sun, 25 Dec 2022 11:29:05 +0200

> Cc: 60210 <at> debbugs.gnu.org
> From: Juri Linkov <juri <at> linkov.net>
> Date: Sun, 25 Dec 2022 10:35:10 +0200
> 
> > 2) Enable tab-bar:
> >
> >    (tab-bar-mode +1)
> >
> > 3) Change some face attribute of tab-bar to force increase the tab-bar
> > height, e.g:
> >
> >    (set-face-attribute 'tab-bar nil :box 4)
> >    (set-face-attribute 'tab-bar nil :height 1.2)
> >
> > Result: the new face is displayed and the tab-bar height is properly
> > adjusted to reflect the new height.
> >
> > 4) Reset face attributes of tab-bar to force original height, e.g.:
> >
> >    (set-face-attribute 'tab-bar nil :box nil)
> >    (set-face-attribute 'tab-bar nil :height 1.0)
> >
> > Result: the new face is displayed, but the tab-bar height is not
> > properly adjusted to reflect the new height.
> 
> It seems this is related to recent bug reports about fonts
> such as bug#52493, bug#58912, bug#59271, bug#59285, etc.
> since there is no such problem in Emacs 28.

I doubt the font-related changes are relevant, but bisecting will be
welcome.

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