GNU bug report logs - #43177
Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1'

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Package: emacs;

Reported by: Alexander Shukaev <emacs <at> Alexander.Shukaev.name>

Date: Thu, 3 Sep 2020 07:20:02 UTC

Severity: normal

Fixed in version 28.1

Done: Robert Pluim <rpluim <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: 43177 <at> debbugs.gnu.org, emacs <at> Alexander.Shukaev.name
Subject: bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1'
Date: Thu, 03 Sep 2020 16:19:56 +0300

> From: Robert Pluim <rpluim <at> gmail.com>
> Date: Thu, 03 Sep 2020 11:58:50 +0200
> Cc: 43177 <at> debbugs.gnu.org
> 
> So this is the 'x' font backend, rather than the 'ftcr' font
> backend, which I would not expect emacs to be falling back to.

Why do you think this is evidence of using the fallback backend?
AFAIR, when Emacs needs to find a font for a character, it loops over
all the fonts with all the available backends, and only later decides
which of the fonts to use.  Don't you see that if you type some
character unlikely to have been seen in an "emacs -Q" session?
This bug report was last modified 4 years and 248 days ago.

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