bug#18601: 24.3.94; set-fringe-mode with left fringe 0 breaks window width calculations on Mac OS

[Eli Zaretskii]

> From: Constantine Vetoshev <vetoshev@gmail.com>
> Date: Fri, 3 Oct 2014 13:53:03 -0700
> Cc: martin rudalics <rudalics@gmx.at>, 18601@debbugs.gnu.org
> 
> On Fri, Oct 3, 2014 at 11:36 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> > I think you should correct term-window-width to subtract 1 from the
> > width when any fringe has zero width, not just the right fringe.
> 
> I think I understand. How about this?
> 
> (defun term-window-width ()
>   (if (and (not (featurep ‘xemacs))
>   (display-graphic-p)
>   overflow-newline-into-fringe
>   (/= (frame-parameter nil ‘right-fringe) 0)
>   (/= (frame-parameter nil ‘left-fringe) 0))
>       (window-body-width)
>     (1- (window-body-width))))
> 
> That does make the problem go away.

That's what I meant, yes.