GNU bug report logs - #59902
30.0.50; Image overlay is not updated until the cursor moves to the overlay

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Message #35 received at 59902 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: 59902 <at> debbugs.gnu.org
Subject: Re: bug#59902: 30.0.50; Image overlay is not updated until the
 cursor moves to the overlay
Date: Sat, 10 Dec 2022 13:03:21 +0200

> From: Ihor Radchenko <yantar92 <at> posteo.net>
> Cc: 59902 <at> debbugs.gnu.org
> Date: Sat, 10 Dec 2022 09:57:33 +0000
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Thanks.  I think when the image is replaced, you need to call
> > clear-image-cache.
> 
> Sure, I can. Or even `image-flush'.
> However, it is not obvious at all that it should be necessary to clear
> image cache.
> 
> The current Emacs' behaviour is unexpected and very confusing here.
> Ideally, Emacs should be able to judge by itself whether to update
> cached image in memory.

You want Emacs to hit the disk and process the file on each redisplay
cycle?

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