On Sun, Apr 14, 2013 at 6:34 AM, Eli Zaretskii <eliz@gnu.org> wrote:

> > Date: Sat, 13 Apr 2013 22:52:24 +0100
> > From: E Sabof <esabof@gmail.com>
> > Cc: 14200@debbugs.gnu.org
> >
> > > If you want the values you set be preserved for that buffer, you need
> > > to set the buffer-local values of left/right-margin-width and
> > > left/right-fringe-width.  If you want them to be preserved in a window
> > > regardless of the buffer it displays, switch to another buffer by
> > > invoking set-window-buffer with non-nil 3rd argument.
> >
> > Thanks, but changing those variables (or the corresponding fringe ones)
> > doesn't seem to have any effect.
>
> From the ELisp manual:
>
>      Setting these variables does not immediately affect the window.
>   These variables are checked when a new buffer is displayed in the
>   window.  Thus, you can make changes take effect by calling
>   `set-window-buffer'.
>

I see.

Evgeni