Subject: Re: bug#76967: 30.1; Specific UTF-8 characters causes misalignments on PGTK

From: Eli Zaretskii <[email-masked]>
Date: Wed, 12 Mar 2025 15:59:59 +0200

> Cc: [email-masked]
> Date: Wed, 12 Mar 2025 11:37:23 +0800
> From:  Po Lu via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <[email-masked]>
> 
> artur <[email-masked]> writes:
> 
> > To reproduce this bug, you must:
> > 1. Open a terminal (such as emacs-eat, vterm, the usual emacs terminal)
> > 2. Open btop (I used `nix run "nixpkgs#btop"` but you could use `pacman
> > -S btop | yes && btop` on Arch Linux)
> >
> > The effects caused are severe distortion to where the program isn't
> > really usable. You may see extreme graphical issues such as:
> > - More violent refreshes
> > - Characters not lining up either barely or Finnishly gapped
> >
> > A recipe will not be provided, as the terminals provided by Emacs cannot
> > render btop period.
> 
> In that case, would you be so kind as to provide a screenshot or the
> like?

Yes, it's hard to make progress with this report without so much as
knowing which characters cause the problem.  A screenshot or any other
information about that would go a long way towards helping us
understand what could be the problem.

TIA