Antoine Leca wrote:

On Behalf Of Christopher Fynn
If a Windows application needs to properly display Unicode text for
languages such as Hindi, Tamil, Bengali, Nepali, Sinhala, Arabic,
Urdu and so on then it probably needs to support OpenType GSUB and
GPOS lookups.

Not just "probably".

Well, there are other rendering technologies than Uniscribe; and some of
them even succeed at displaying complex scripts...

For a contrived yet verifiable (OpenSource) example, let have a look at Eric
Mader's LayoutEngine (in ICU) using Apple (GX) fonts with a Unicode cmap.
And yes I am talking of something that can run on Windows.

I think Peter's point was that complex script require font layout tables (note that he did not mention Uniscribe, which is an MS text engine that is a *client* of OpenType fonts and the OpenType Layout Services library), whereas Chris had suggested that they 'probably need' them. An Apple AAT (GX) font also includes layout tables, although using a different approach than OT.


John Hudson

--

Tiro Typeworks        www.tiro.com
Vancouver, BC        [EMAIL PROTECTED]

Currently reading:
The Peasant of the Garonne, by Jacques Maritain
Art and faith, by Jacques Maritain & Jean Cocteau
Difficulites, by Ronald Knox & Arnold Lunn



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