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bug#23386: Segfault when messing with font-backend
From: |
npostavs |
Subject: |
bug#23386: Segfault when messing with font-backend |
Date: |
Sun, 10 Jul 2016 16:17:00 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.93 (gnu/linux) |
Dmitry Antipov <dmantipov@yandex.ru> writes:
> On 07/09/2016 10:11 PM, npostavs@users.sourceforge.net wrote:
>
>> Here is a patch that attempts to fix the issue by resetting the font
>> after the backend is changed. It does let Emacs successfully open the
>> frame with the new font (no funny box characters in the modeline), but
>> I'm not sure if it's the best way of marking the font object invalid.
>
> IMHO the original trick (request to drop font backend when there is a font
> opened by using this backend) is practically meaningless, so why just not
> prohibit it explicitly? For example, with:
Maybe that is a better idea; it does prevent the segfault, and it's
certainly simpler.