bug#67794: 30.0.50; mouse-face is not respected on SVG images

[Manuel Giraud]

Eli Zaretskii <eliz@gnu.org> writes:

[...]

>> I didn't measure this memory footprint but AFAIU lookup_image uses the
>> image cache so an image is allocated once (for one foreground/background
>> combination).  And I think that there is an eviction timeout in the
>> image cache, no?
>
> I know the theory, thank you, but I wanted to make sure there isn't
> something that doesn't meet the eye here.

Of course, I did not want to lecture you on this matter, I was just
stating what I understood here.

> Before we install this, we had better be sure we understand the
> consequences, since we have never before done anything like that in
> mouse-highlight implementation.
>
> OK?

Ok.  Maybe I could look at the evolution of the memory footprint.  How
do you think I could do this?
-- 
Manuel Giraud