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Re: [emacs-bidi] Re: Arabic support

From: Jason Rumney
Subject: Re: [emacs-bidi] Re: Arabic support
Date: Thu, 02 Sep 2010 21:09:57 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

> And another question: AFAIU, an LGSTRING specifies characters as
> Unicode codepoints, while the Windows Uniscribe APIs expect wchar_t
> wide characters, which on Windows means UTF-16.  This means we should
> encode the codepoints in LGSTRINGs to UTF-16 before passing them to
> Uniscribe, rather than passing them unaltered, right?  The current
> code will break for characters whose Unicode codepoints are beyond the
> BMP, right?

Theortically, yes. In practice I don't think any of the scripts that we
use the shaping engine for lie beyond the BMP.

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