GNU bug report logs - #41005
problem with rendering Persian text in Emacs 27

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#41005: closed (problem with rendering Persian text in Emacs 27)
Date: Sat, 25 Jul 2020 16:57:01 +0000

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Your message dated Sat, 25 Jul 2020 19:56:23 +0300
with message-id <83365fcz48.fsf <at> gnu.org>
and subject line Re: bug#41005: problem with rendering Persian text in Emacs 27
has caused the debbugs.gnu.org bug report #41005,
regarding problem with rendering Persian text in Emacs 27
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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41005: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41005
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From: hossein valizadeh <valizadeh.ho <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: problem with rendering Persian text in Emacs 27
Date: Fri, 1 May 2020 22:32:31 +0430

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Hello,

I have been using GNU Emacs for a few years now, and I recently decided
to build Emacs 27.0.91 from the emacs-27 branch.  I use Arch GNU/Linux,
along with the i3 window manager.

I have noticed a new problem with rendering Persian text in Emacs 27,
which to my knowledge was not present in earlier Emacs versions.  If you
see the screenshots I have attached, some text seems to get garbled at
random.  The same words sometimes appear correctly and sometimes do not.
I recall John Wiegley mentioning in his EmacsConf 2019 talk that Emacs
has recently started using the HarfBuzz text shaping engine.  I wonder
if that's relevant and possibly the cause of this issue?

Thanks in advance for looking into this.  I really hope the issue can be
resolved, as I use Emacs and Org extensively for writing my documents,
and this bug effectively renders Emacs unusable for me.  I'll be happy
to try and provide any further information needed to debug this.

Regards,
Hossein Valizadeh

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Amin Bandali <bandali <at> gnu.org>
Cc: rpluim <at> gmail.com, valizadeh.ho <at> gmail.com, pipcet <at> gmail.com,
 41005-done <at> debbugs.gnu.org
Subject: Re: bug#41005: problem with rendering Persian text in Emacs 27
Date: Sat, 25 Jul 2020 19:56:23 +0300

> From: Amin Bandali <bandali <at> gnu.org>
> Cc: rpluim <at> gmail.com,  valizadeh.ho <at> gmail.com,  41005 <at> debbugs.gnu.org,
>   pipcet <at> gmail.com
> Date: Sat, 25 Jul 2020 12:44:36 -0400
> 
> I tried cherry picking them onto master in my local checkout, and they
> do seem to fix the issue!  Looking forward to them eventually getting
> properly merged into master using the script.  Thanks again for your
> help and patience, Eli.

Thanks, so I think we can finally close this bug.

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