[XeTeX] glyph index

[franÿffffe7ois franc]

Hi 
 sorry, if I confused between character code
and glyph index. but I think that it's a problem of plain tex itself
-not xetex-. So I mean the character code, the second field in the
char_node.

 I'm using OT font.
 
 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.

thanks for help.


      
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