GNU bug report logs - #5984
Crash displaying composed characters

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Package: emacs;

Reported by: Juanma Barranquero <lekktu <at> gmail.com>

Date: Tue, 20 Apr 2010 13:50:02 UTC

Severity: serious

Found in versions 24.0.50, 23.1.96

Done: Chong Yidong <cyd <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #59 received at 5984 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: lekktu <at> gmail.com, 5984 <at> debbugs.gnu.org
Subject: Re: bug#5984: Crash displaying composed characters
Date: Fri, 30 Apr 2010 16:47:43 -0400

>   . Emacs then enters redisplay to display the echo area.  As part of
[...]
>   . Further down, autocmp_chars calls the value of
>     auto-composition-function:
[...]
>   . Now the " *Echo Area0*" buffer holds a totally different text,
>     unbeknownst to autocmp_chars, which still passes the old values 32
>     and 33 to TEMP_SET_PT_BOTH:

More generally, this Lisp code could modify any buffer, so preventing
the load-messages is not a sufficiently reliable solution (tho it might
be desirable in any case).


        Stefan
This bug report was last modified 13 years and 142 days ago.

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