GNU bug report logs - #23431
Displaying animated GIFs can make Emacs unresponsive

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Nicolas Richard <nrichard <at> ulb.ac.be>
Cc: 23431 <at> debbugs.gnu.org, larsi <at> gnus.org, jch <at> pps.univ-paris-diderot.fr
Subject: bug#23431: 25.0.93; EWW hangs
Date: Wed, 04 May 2016 18:28:40 +0300

> From: Nicolas Richard <nrichard <at> ulb.ac.be>
> Cc: Juliusz Chroboczek <jch <at> pps.univ-paris-diderot.fr>,  23431 <at> debbugs.gnu.org,  larsi <at> gnus.org
> Date: Wed, 04 May 2016 17:13:54 +0200
> 
> > We don't have infrastructure for doing this asynchronously.  If the
> > concurrency branch ever gets revived and merged, such jobs might be
> > good candidates for using that facility.  Otherwise, no, it isn't
> > possible.  It's not shr that is not designed for that, it's Emacs
> > itself.
> 
> preview-latex shows images in a (La)TeX buffer asynchronously.

AFAIK, it does that by running a separate program that produces an
image that Emacs then shows in display properties.

> Can't we *cough* simply *cough* do the same here ?

Maybe, I don't know.  With what external program?  Patches welcome,
anyway.

(Although I must confess that doing display related stuff in a
separate program is IMO a terribly ugly design.)

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