bug#51763: 27.2; Displaying many images take all memory

[Lars Ingebrigtsen]

Stefan Kangas <stefan@marxist.se> writes:

> See this comment in `image--scale-within-limits-p':
>
>             ;; Note: `image-size' looks up and thus caches the
>             ;; untransformed image.  There's no easy way to
>             ;; prevent that.
>
> and the relevant code in image.c that verifies this.

We've previously discussed adding a parameter to image-size to disable
this caching.  Perhaps we should just do that?

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