Subject: Re: bug#45557: 27.1; Incorrect rendering of COMBINING OVERLINE

From: Eli Zaretskii <[email-masked]>
Date: Thu, 31 Dec 2020 09:33:16 +0200

On December 31, 2020 7:24:30 AM GMT+02:00, Lars Ingebrigtsen <[email-masked]> wrote:
> Stephen Eglen <[email-masked]> writes:
> 
> > In brief: x̅ does not appear as x with an overline in the JuliaMono
> font.
> >
> > emacs -Q
> >
> > (set-face-attribute 'default nil :font "JuliaMono")
> >
> > (insert 611 773 32 120 773)
> 
> I'm unable to reproduce this in Emacs 27.1 on Debian bullseye:

And neither can I on MS-Windows.

Could be an issue with the version of HarfBuzz, perhaps?