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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.bugs
Subject: bug#41005: problem with rendering Persian text in Emacs 27
Date: Fri, 05 Jun 2020 15:53:09 +0300
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Cc: pipcet@gmail.com, 41005@debbugs.gnu.org, nicholasdrozd@gmail.com
To: hossein valizadeh <valizadeh.ho@gmail.com>
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 (message from hossein valizadeh on Fri, 5 Jun 2020 17:02:55 +0430)
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> From: hossein valizadeh <valizadeh.ho@gmail.com>
> Date: Fri, 5 Jun 2020 17:02:55 +0430
> Cc: pipcet@gmail.com, 41005@debbugs.gnu.org, 
> 	Nicholas Drozd <nicholasdrozd@gmail.com>
> 
> I'm sorry, my English is so bad, at least in writing. That's why it's
> hard for me to give a full explanation.

Your English is entirely adequate, there's nothing for you to be
ashamed of.

Thanks for the details, I think they point to the code identified by
Pip Cet, which is called from current-column and similar APIs.  A fix
will probably be available soon.