Re: Arabic support

[Eli Zaretskii]

> From: Kenichi Handa <address@hidden>
> Cc: address@hidden, address@hidden
> Date: Mon, 30 Aug 2010 16:47:08 +0900
> 
> 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.

Looks like that, yes.

> 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?

No, not AFAIK.  We call the ScriptItemize API of Uniscribe with NULL
as the 4th and 5th arguments, which AFAIU should disable reordering.
Perhaps Jason could chime in and tell if I'm right here.

Btw, does the current code support Arabic ligatures and shaping on
GNU/Linux?