bug#54598: 27.2; Bad interraction between modus-theme and hs-minor-mode

[Protesilaos Stavrou <info@protesilaos.com>]

On 2022-04-02, 21:48 +0200, Pierre Téchoueyres <pierre.techoueyres@free.fr> wrote:

>>> > What is that "vertical line", and what is its look on MS-Windows
>>> > as opposed to other systems?
>>> 
>>> The vertical line is what I see as the fill column indicator when I
>>> enable the display-fill-column-indicator-mode.  I've provided screen
>>> shots on my first e-mail.
>>
>> I see no fill-column-indicator vertical line on those screenshots.
>>
>> The only difference between systems (unrelated to MS-Windows vs
>> GNU/Linux differences) regarding this display might be related to
>> whether your default font supports the U+2502 character.
>
> But it's the same font on both systtems. I started emacs with the 
> following args to reproduce the bug and take the screenshots :
> #+begin_src sh
> emacs -q --no-site-file --no-site-lisp --no-splash -fn "-*-DejaVu 
> Sans Mono-normal-r-*-*-12-*-*-*-c-*-iso8859-1"
> #+end src
>
> And even if you suppress the (setq ...) which define the character the
> result is still the same : a thin line on Gnu/Linux an wider one on
> Windows.

Perhaps this will help test the issue on emacs -Q:

    (set-face-attribute 'fill-column-indicator nil :height 1 :background "gray50" :foreground "gray50")

    (display-fill-column-indicator-mode 1)

-- 
Protesilaos Stavrou
https://protesilaos.com