bug#43469: 28.0.50; window-text-pixel-size returns incorrect value when line-prefix is set

[Eli Zaretskii]

> From: Yuan Fu <casouri@gmail.com>
> Date: Sat, 19 Sep 2020 14:33:03 -0400
> Cc: 43469@debbugs.gnu.org
> 
> >  This function exists to allow Lisp programs to adjust the dimensions
> >  of WINDOW to the buffer text it needs to display.
> > 
> > When you want to know how wide a window you need for displaying some
> > text, you do want the line-prefix part accounted for.
> 
> I see. I managed to use (window-text-pixel-size nil (point) (point)) to 
> calculate the prefix width and subtract it out. Thanks.

Thanks, so I'm closing this bug.