GNU bug report logs - #41441
26.3; mhtml misbehaving font-lock extend region can cause Emacs to hang

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Package: emacs;

Reported by: Anders Lindgren <andlind <at> gmail.com>

Date: Thu, 21 May 2020 20:15:02 UTC

Severity: normal

Tags: fixed

Found in version 26.3

Done: Tom Tromey <tom <at> tromey.com>

Bug is archived. No further changes may be made.

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Anders Lindgren <andlind <at> gmail.com>, Tom Tromey <tom <at> tromey.com>
Cc: 41441 <at> debbugs.gnu.org
Subject: bug#41441: 26.3; mhtml misbehaving font-lock extend region can cause Emacs to hang
Date: Thu, 28 May 2020 22:50:30 +0300

On 28.05.2020 22:31, Anders Lindgren wrote:
> When having conflicting functions, the result is somewhat arbitrary. 
> Effectively, functions later i the list take precedence over earlier, 
> but picking one result is better than a hanging Emacs.

I wouldn't say a non-deterministic result is much better than hanging.

We should just disallow this kind of behavior in these functions. Unless 
there is some very convincing evidence of its necessity.
This bug report was last modified 4 years and 158 days ago.

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