I meant as a pseudo line-number so that the line-number face geometry is used.

On Wed, Aug 1, 2018, 8:50 AM Eli Zaretskii <eliz@gnu.org> wrote:
> From: Carlos Pita <carlosjosepita@gmail.com>
> Date: Wed, 1 Aug 2018 07:33:07 -0300
> Cc: 32337@debbugs.gnu.org
>
> And what about showing the eof unicode glyph, it's just one character so it can't affect width calculations and
> it's a useful indicator that says "there is really nothing here".

Showing it where?

We already have an EOB indication, see indicate-buffer-boundaries.