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------- Additional comments from [EMAIL PROTECTED] Thu Oct 27 23:48:40 -0700 
2005 -------
> Is it VCL that handle OpenType features?

Yes and No. VCL is the "glue" to the system's layout engines, i.e. ICU on UNX,
USP on WIN and ATSUI on MAC.

> Where can I look at code for working Opentype features?

For WIN platforms it is in vcl/win/source/gdi/winlayout.cxx
For UNX platforms it is in vcl/source/glyphs/gcach_layout.cxx

Where is the Latin script handled?

For WIN platforms it is in the class SimpleWinLayout.
For UNX platforms it is in the class ServerFontLayoutEngine.

You probably want to redirect the handling of Latin OpenType to the classes
UniscribeLayout and ICULayoutEngine. The easiest way to do this is to remove the
optimization in ImplLayout in vcl/source/gdi/outdev3.cxx with the comment "//
disable CTL for non-CTL text".

Good Luck!

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