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bug#22715: 25.0.91; Point randomly jumps during key entry

From: Eli Zaretskii
Subject: bug#22715: 25.0.91; Point randomly jumps during key entry
Date: Fri, 19 Feb 2016 12:30:07 +0200

> Date: Thu, 18 Feb 2016 21:22:40 -0500
> From: Steve Revilak <address@hidden>
> As an experiment, I went back to my "normal emacs", but with a few
> lines in ~/.emacs commented out:
>    ;(semantic-mode 1)
>    ;(semantic-stickyfunc-mode t)
> I also commented out `setq' definitions for
> semanticdb-default-save-directory and semanticdb-project-roots.  With
> those elements commented out, I couldn't reproduce the point-jumping
> behavior.  (I'll continue to test in this configuration, to be more
> certain that the non-reproduce isn't just a coincidence.)
> If it would help, I can restore the aforementioned `semantic' pieces,
> and see if I can correlate point-jumping with specific timer events.
> I can also try the save-excursion patch in
> https://lists.gnu.org/archive/html/emacs-devel/2016-01/msg00029.html.

That would help, thanks.  Eventually, we need to establish what chain
of events causes redisplay when point is in a temporary location.

> Finally, 
>    https://lists.gnu.org/archive/html/emacs-devel/2016-01/msg00031.html
> suggests this might be related to Bug #15045.

That bug was resolved.  So if this is related, there should be some
other place in Semantic that needs to take advantage of the changes
made to resolve that bug.


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