GNU bug report logs - #30182
27.0.50; Crash when doing mouse-over on modeline

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Package: emacs;

Reported by: Sujith <m.sujith <at> gmail.com>

Date: Sat, 20 Jan 2018 06:27:02 UTC

Severity: normal

Found in version 27.0.50

Done: martin rudalics <rudalics <at> gmx.at>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: m.sujith <at> gmail.com, 30182 <at> debbugs.gnu.org
Cc: rudalics <at> gmx.at
Subject: bug#30182: Update
Date: Tue, 23 Jan 2018 20:10:59 +0200

> Date: Tue, 23 Jan 2018 19:25:42 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 30182 <at> debbugs.gnu.org
> 
> So here's the thing: timer-list has 5 elements, but concat thinks
> there are only 4 elements, so it starts with a 4-element list, and
> then there's no place there to put the 5th element, which happens to
> be the savehist-autosave timer.

A couple more suggestions for investigating things:

 . Could the problem be caused by mode-line-default-help-echo being a
   function now, not just a string?  Maybe try to revert only that
   portion of the changeset, and see if that helps.

 . Related: could it be that mode-line-default-help-echo signals an
   error?  Try running the reproducing recipe with a breakpoint in
   safe_eval_handler.  If that breakpoint breaks, show the backtrace,
   and use "pp" to show the values of arg and args[].
This bug report was last modified 7 years and 108 days ago.

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