bug#24638: 24.5; Line numbers disappear on empty lines if fill column indicator enabled and the indicator is outside the visible buffer area

[Kristóf Katus]

OK, just filled in a bug report for fill-column-indicator.el. Linked issues so far:

https://github.com/alpaker/Fill-Column-Indicator/issues/71

https://github.com/syl20bnr/spacemacs/issues/6707

2016-10-07 20:55 GMT+02:00 Eli Zaretskii <eliz@gnu.org>:

> From: Kristóf Katus <kristof.katus@gmail.com>
> Date: Fri, 7 Oct 2016 16:50:14 +0200
>
> 1. Start a graphical emacs:
> $ emacs -Q
>
> 2. Open a new buffer, type some text leaving some lines blank
>
> 3. Enable linum-mode:
> M-x linum-mode
>
> 4. Fetch, then load fill-column-indicator.el by:
> M-x load-file
>
> 5. Enable fci-mode:
> M-x fci-mode
>
> 6. Decrease the window width, so that the fill column indicator is not shown
>
> Observed behaviour
>
> On all the empty lines, the line numbers disappear -- except on that empty line where your cursor might rest.
>
> Expected behaviour
>
> Line numbers should be shown on all lines, including empty lines independent of the visibility of the fill column
> indicator.

Please bring this first to the attention of the developers of
fill-column-indicator.el.  I'm not at all sure this is a core Emacs
problem.

Thanks.