Re: How to remove the window separator line ?

[Eli Zaretskii]

> From: Stephen Berman <stephen.berman@gmx.net>
> Cc: help-gnu-emacs@gnu.org
> Date: Wed, 16 Jan 2013 20:35:41 +0100
> 
> Maybe you can't remove it, but from reading the Display Tables nodes in
> the Elisp manual, it seems like you should be able to effectively hide
> it, e.g. by making it display as a zero-width space:
> 
> (set-display-table-slot standard-display-table 
>                         'vertical-border (make-glyph-code 8203))
> 
> However, this does not change the vertical border on a graphical Emacs,
> only on a non-window-system display (actually, it doesn't work with
> zero-width space, I guess because the codepoint is too high; it does
> work with 160 (no-break space)).  This difference is not documented in
> this node, which is the only place in the Elisp manual that refers to
> vertical-border.  Is this a doc bug?

The GUI display doesn't use the display table for the border, it draws
the border directly as a line of certain thickness.