From: Philippe Verdy (verdy_p@wanadoo.fr)
Date: Sat Jun 21 2003 - 21:58:44 EDT
From: "Christopher John Fynn" <cfynn@gmx.net>
> So following normal Tibetan & Dzongkha input and spelling rules
> the relative ordering of these characters should be:
> A. 0F71 (CCV=129)
> B. 0F74 (CCV=132)
> C. 0F72, 0F7A, 0F7B, 0F7C, 0F7D, 0F80 (CCV=130)
> D. 0F7E, (CCV=0) 0F82, 0F83 (CCV=230)
Apart from defining a UCA-based decomposition, there does not
seem to be an easy solution. This would require preprocessing
of text similar to what is done for Arabic or Brahmic script
layout processing (where ligature and character or subglyph
reordering is performed before looking up for glyphs and ligatures
in fonts). On Windows, it would require using UniScribe, but
for collation, changes are still possible, because the UCA
order can still be modified to document these reordering rules.
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