bug#81626: 32.0.50; string-pixel-width can return an incorrect value after commit 165152e

> Date: Sun, 16 Aug 2026 10:59:56 +0200
> Cc: [email protected]
> From: David Ponce <[email protected]>
> 
> Le 2026-08-16 à 08:06, Eli Zaretskii a écrit :
> >> Cc: [email protected]
> >> Date: Sat, 15 Aug 2026 22:03:40 +0200
> >> From: David Ponce <[email protected]>
> >>
> >> Hello,
> >>
> >> After commit  165152e
> >>     Fix an infloop during cursor movement
> >>     * src/xdisp.c (move_it_vertically_backward): Prevent infloop due
> >>     to overlays with embedded newlines at BOB.  (Bug#81567)
> >>
> >> `string-pixel-width' no more return a correct value if the
> >> passed string is wider than the window body.  Here is a simple recipe to
> >> test in the *scratch* buffer, running emacs -Q:
> >>
> >> (window-body-width)
> >> 80
> >> (window-body-width nil t)
> >> 960
> >> (string-pixel-width (make-string 80 ?x))
> >> 960 <=== CORRECT
> >> (string-pixel-width (make-string 81 ?x))
> >> 12  <=== INCORRECT
> >>
> >> Before this commit the result is correct:
> >>
> >> (window-body-width)
> >> 80
> >> (window-body-width nil t)
> >> 960
> >> (string-pixel-width (make-string 80 ?x))
> >> 960 <=== CORRECT
> >> (string-pixel-width (make-string 81 ?x))
> >> 972 <=== CORRECT
> > 
> > Thanks, should be fixed now.
> 
> I confirm. Thanks.

Thanks for testing, I'm therefore closing the bug.