Lars Ingebrigtsen <larsi@gnus.org> writes:

> Here's an example animated webp image, and indeed, Emacs fails at
> displaying it:
>
> https://mathiasbynens.be/demo/animated-webp-supported.webp

I've started poking at this just to see what's necessary.  As a first
attempt, I thought we could at least display the first frame in the
animate image, so I did the following according to the er documentation
from Google.