From: James Kass (jameskass@att.net)
Date: Sun Aug 21 2005 - 23:30:22 CDT
Richard Wordingham wrote,
> By the way, why can't font-encoded Tamil (e.g. using ASCII codes as a hack)
> display be handled on Windows by a GSUB table that handles the re-ordering?
> Or would that make it Level-2 anyway? Where can I find a definition of
> 'Level-2'?
Because shaping engines won't look for non-Tamil characters in
Tamil OpenType subtables. (Think of the performance hit on
large text files.)
Likewise, Windows shaping engine doesn't enable Tamil- (or Indic-)
style OpenType features for Latin characters. (Although it may
be possible to hack something for reordrant vowel signs using
contextual substitution. Then an application supporting Latin
contextual substitution would be necessary.)
Possibly the best approch for font-encoded Tamil is to convert
it to Unicode. (Optionally, send the converted file to the author
or web site manager for possible posting.)
Best regards,
James Kass
This archive was generated by hypermail 2.1.5 : Sun Aug 21 2005 - 23:31:26 CDT