GNU bug report logs - #10895
Quirky behaviours with Arabic text

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Package: emacs;

Reported by: sergei karhof <karhof21 <at> gmail.com>

Date: Mon, 27 Feb 2012 01:43:01 UTC

Severity: normal

Tags: moreinfo

Done: Stefan Kangas <stefan <at> marxist.se>

Bug is archived. No further changes may be made.

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Message #29 received at 10895 <at> debbugs.gnu.org (full text, mbox):

From: Jason Rumney <jasonr <at> gnu.org>
To: sergei karhof <karhof21 <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 10895 <at> debbugs.gnu.org,
	Kenichi Handa <handa <at> m17n.org>
Subject: Re: bug#10895: Quirky behaviours with Arabic text
Date: Wed, 29 Feb 2012 22:54:41 +0800

sergei karhof <karhof21 <at> gmail.com> writes:

> On Mon, Feb 27, 2012 at 7:17 PM, Eli Zaretskii <eliz <at> gnu.org> wrote:
>
>> Sergei, could you please try invoking Emacs with the
>> `-xrm Emacs.fontBackend:gdi' command-line argument, and see if the
>> problem persists with the GDI backend?  That's assuming that GDI at
>> all supports Arabic shaping; I don't know enough about this to tell,
>> sorry.
>
> I have just tried this, but it totally messes up the text, as you can
> see from screenshot #5 here attached.

I would expect that. The GDI font backend has no support for font
shaping, which is definitely required for proper Arabic support.  What I
suspect is that Emacs is doing more in terms of supporting Arabic than
the uniscribe shaping engine expects.
This bug report was last modified 4 years and 325 days ago.

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