[HarfBuzz] arabic positioning without gpos

[Khaled Hosny]

Hi Evan,

On Thu, Jan 14, 2010 at 11:53:56AM -0800, Evan Martin wrote:
> This code obviously works for the other users of Harfbuzz, so I must
> be missing something in my understanding.  (Maybe the glyph advances
> for Arabic vowels should always be zero?

AFAIK, yes, actually I think this is true for any glyph of combining
marks class.

Regards,
 Khaled

-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer