[XeTeX] glyph index

[Adam Twardoch]

> On 20 Jan 2009, at 12:42, franÿffffe7ois franc wrote:
>> in the xetex process I'm trying to substitute a glyph1 by glyph2 if  
>> the glyph1 occurred in a certain context, and I want that this  
>> contextual analysis to be independent of the font engine. So, I  
>> think that I should process in native_word_node, and I should get  
>> the glyph1 ID and replace it by glyph2 ID.

The most obvious solution that comes to my mind would be to add a "calt"
(contextual alternates) OpenType Layout feature to the font.

A.


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Adam Twardoch
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