bug#41005: problem with rendering Persian text in Emacs 27

[Eli Zaretskii]

> From: Amin Bandali <bandali@gnu.org>
> Cc: Eli Zaretskii <eliz@gnu.org>,  valizadeh.ho@gmail.com,
>   41005@debbugs.gnu.org,  Pip Cet <pipcet@gmail.com>
> Date: Tue, 21 Jul 2020 13:53:25 -0400
> 
> Lastly, it might be worth mentioning that if I recall correctly, when
> using xfthb with emacs-27, I observe the same issue.  Which may suggest
> that perhaps the issue is related to Emacs's HarfBuzz support.

But that's exactly the configuration that was fixed...