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bug#50970: 29.0.50; Italics cause fill column indicator misalignment
From: |
Eli Zaretskii |
Subject: |
bug#50970: 29.0.50; Italics cause fill column indicator misalignment |
Date: |
Sat, 02 Oct 2021 21:27:29 +0300 |
> From: Carlos Pita <carlosjosepita@gmail.com>
> Date: Sat, 2 Oct 2021 15:02:08 -0300
> Cc: 50970@debbugs.gnu.org
>
> Which font is that? I cannot reproduce with the default font Emacs
> uses here. Do you see the same results with all monospaced fonts,
> once you customize the comment face to use italics?
>
>
> Source Code Pro, but it doesn’t seem to be relevant.
>
> I have been able to reproduce it with a minimal setup (see the
> attached screenshot):
>
> (setq inhibit-startup-screen t)
> (setq fill-column 80)
> (global-display-fill-column-indicator-mode)
> (custom-set-faces
> '(default ((t (:height 160))))
> '(font-lock-comment-face ((t (:slant italic))))
Doesn't reproduce here with these settings.
> The problem is that it doesn’t always happen, I had to restart emacs
> many times (I’m doing `emacs .emacs.d/init.el` one time after another)
> until the issue happened. Due to the random nature of the issue it’s
> not possible to ascertain that the (:height 160) part is strictly
> necessary, but let’s say that I’ve rejected the null hypothesis that
> the issue happens at default font size, but maybe it’s that I’m
> shortsighted enough as to not perceive it at the smaller font size.
That's too bad, because it means I have no reliable recipe to
reproduce and debug the problem...
Does anyone else see this and can provide a reproducible recipe?