bug#19395: 25.0.50; Setting left fringe to 0 messes up window-width

[Jim Porter]

(Resending, since this bug was archived.)

On 4/29/2022 6:14 AM, Lars Ingebrigtsen wrote:
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > LGTM.  Now to make this a superb contribution, please add a few words
> > in NEWS about the new functions, and submit a patch with that.
>
> (I'm going through old bug reports that unfortunately weren't resolved
> at the time.)
>
> The patch apparently never arrived, so I've now added Titus' functions
> to Emacs 29.

It looks like a modified version of this patch was already merged as 
4a50af936e24b5f71df4079beb6dde82ed1955c2, which shipped with Emacs 25. 
I'm not totally sure, but from looking at the various functions, it 
seems the older patch is a bit more robust in the face of different 
configuration.