bug#63344: 29.0.90; (shr-zoom-image) doesn't zoom to buffer size

[Eli Zaretskii]

> From: Pankaj Jangid <pankaj@codeisgreat.org>
> Cc: 63344@debbugs.gnu.org
> Date: Sun, 07 May 2023 18:12:54 +0530
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Please show a complete recipe for reproducing this issue, starting
> > from "emacs -Q".
> 
> Sure. The steps:
> 
> 1. emacs -Q
> 2. M-x eww RET https://en.wikipedia.org/wiki/PackageKit RET
> 3. Scroll to the image showing block diagram. Bring point on the image.
> 4. Press "z" repeatedly to cycle zoom levels
> 
> Expected result (as per doc): It should cycle through three zoom levels.
> 
> Result: it never zooms to "full buffer size"

Thanks.  But what do you understand "full buffer size" to mean for the
dimension of an image?