bug#54862: 28.1; window-text-pixel-size sometimes fails to report accurate pixel-width

[Eli Zaretskii <eliz@gnu.org>]

> Date: Tue, 12 Apr 2022 17:21:32 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 54862@debbugs.gnu.org
> 
> > From: Markus Triska <triska@metalevel.at>
> > Date: Mon, 11 Apr 2022 20:48:03 +0200
> > 
> > 
> > To reproduce this regression, please invoke Emacs with:
> > 
> >     $ emacs -Q
> > 
> > and then evaluate the following form:
> > 
> >     (let ((width 20))
> >       (= width (let* ((height (line-pixel-height))
> >                       (data (with-temp-buffer
> >                               (insert (format "P1\n%s %s\n" width height))
> >                               (dotimes (_ height)
> >                                 (insert (make-string width ?1) "\n"))
> >                               (buffer-string))))
> >                  (insert " ")
> >                  (let ((from (point)))
> >                    (insert-image `(image :type pbm :data ,data :ascent center) "t")
> >                    (car (window-text-pixel-size nil from (point)))))))
> > 
> > The expected result, obtained for example in Emacs 26.1 and 27.1, is: t.
> > 
> > Whereas with Emacs 28.1, evaluating the form unexpectedly yields: nil.
> 
> Thanks, should be fixed now on the release branch and on master.

No further comments for 2 weeks, so I'm boldly marking this bug done.