bug#54242: Emacs can't display animated webp images

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: 54242@debbugs.gnu.org
> Date: Sun, 10 Apr 2022 16:24:29 +0200
> 
> > Which animated GIF files do you want me to try?  (AFAIR, they didn't
> > flicker when I tried, but that was a long time ago, and I may have
> > forgotten.)
> 
> For instance:
> 
> <img src="https://c.tenor.com/z0ZSdKfHpHoAAAAC/coronavirus-corona.gif";>

This one doesn't flicker at all.