bug#37972: Emacs cannot deal with .webp suffix

[Lars Ingebrigtsen]

積丹尼 Dan Jacobson <jidanni@jidanni.org> writes:

> $ file *
> X.webp: RIFF (little-endian) data, Web/P image...
>
> $ emacs X.webp #binary mess
> $ ln X.webp X.gif
> $ emacs X.gif #works fine
>
> It doesn't matter what the suffix is: jpg, gif all work the same. Just
> webp is not recognized yet.

Emacs 27 can display these image formats if you have

(setq image-use-external-converter t)

But this bug report reminded me that we had agreed on defaulting these
exotic image formats to `image-mode', so I've now done that (as well as
fixing the UX of being unable to display images slightly).

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no