GNU bug report logs - #39865
28.0.50; Emacs crash

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Package: emacs;

Reported by: Vinicius José Latorre <viniciusjl <at> gmail.com>

Date: Mon, 2 Mar 2020 01:55:02 UTC

Severity: normal

Tags: confirmed

Merged with 23386, 35803, 36835

Found in versions 25.0.95, 28.0.50, 24.1, 25.0.50, 24.5, 26.2, 27.0.50

Fixed in version 27.1

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

Bug is archived. No further changes may be made.

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From: Robert Pluim <rpluim <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 39865 <at> debbugs.gnu.org, Vinicius José Latorre <viniciusjl <at> gmail.com>
Subject: bug#39865: 28.0.50; Emacs crash
Date: Tue, 10 Mar 2020 15:29:44 +0100

>>>>> On Fri, 06 Mar 2020 19:53:32 +0200, Eli Zaretskii <eliz <at> gnu.org> said:

    >> From: Vinicius José Latorre <viniciusjl <at> gmail.com>
    >> Date: Fri, 6 Mar 2020 14:20:42 -0300
    >> Cc: 39865 <at> debbugs.gnu.org
    >> 
    >> > OK, then the crash is a known problem: you cannot change the font
    >> > backend once the session started, you can only do that in X resources.
    >> > Previously, XFT was your original backend, but now it's HarfBuzz.
    >> 
    >> I think that emacs should be more robust about this and do not crash for any bad value.

    Eli> I agree.  It is not a bad value, we just couldn't yet find a way of
    Eli> switching the font-backend.

Eli, would you accept a patch for emacs-27 that signals a user-error
if trying to set a font-backend thatʼs not supported by the running
emacs? Or that ignores it (with a message)?

Robert
This bug report was last modified 5 years and 64 days ago.

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