bug#44784: Combining accent is not combining

[Eli Zaretskii]

> Resent-From: Lars Ingebrigtsen <larsi@gnus.org>
> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org>
> Resent-CC: bug-gnu-emacs@gnu.org
> Resent-Sender: help-debbugs@gnu.org
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Thu, 10 Feb 2022 12:19:11 +0100
> Cc: 44784@debbugs.gnu.org, Juri Linkov <juri@linkov.net>
> 
> Robert Pluim <rpluim@gmail.com> writes:
> 
> > Itʼs possible, since we do something similar for certain emoji
> > sequences. I question whether itʼs worth doing, though, it seems like
> > very much a rare condition, which is easily fixed by switching fonts.
> 
> I guess so.  I'm surprised that DejaVu Sans Mono is broken, though, so
> perhaps there is something else going on.
> 
> This reminds me of a related thing I've wondered about: We don't combine
> glyphs from different fonts, because this may look very ugly.  But has
> anybody tried doing it anyway?  It may not look worse than what some
> people are seeing today...

I think it depends on the two fonts and the characters to compose.  It
_could_ be much worse, there's no doubt about that.  Different fonts
use very different styles for the same glyphs.