bug#18334: 24.3.93; ImageMagick: eww shows favicon animations in search results

[Glenn Morris]

YAMAMOTO Mitsuharu wrote:

> Should image-multi-frame-p, a new function in 24.4, stop using
> image-default-frame-delay as a default value for DELAY? Or should each
> caller of image-multi-frame-p temporarily let-bind
> image-default-frame-delay to nil if it doesn't want to treat images
> that are missing DELAY value as animations?

I think I was intending it to work the first way, not the second way
(which sounds a bit yucky?). But I don't seem to have implemented it
right. No idea what I was thinking...