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Re: Arabic support

From: Kenichi Handa
Subject: Re: Arabic support
Date: Mon, 30 Aug 2010 16:47:08 +0900

In article <address@hidden>, Eli Zaretskii <address@hidden> writes:

> Thanks.  However, today's build behaves very strangely in
> a GUI session on MS-Windows.  For starters, cursor motion
> seems to jump across many characters in the "Arabic" line
> of etc/HELLO.  For example, typing C-f in that line, I
> first move one character at a time across "Arabic", as
> expected, then the cursor jumps to the right paren of the
> leftmost parenthesized part, again as expected, and then I
> see the following strange behavior:

I can't see that strange behaviour on GNU/Linux.  Amit
Aronovitch <address@hidden> also reported that
rendering and cursor movement are ok on Debian.  So, I
suspect that the problem is specific to Windows.  In Emacs,
bidi reordering is done by Emacs itself, so the `shape'
method of font backend should not reorder glyphs.  But,
perhaps Uniscribe backend reorders Arabic text, right?

Kenichi Handa

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