Philippe Verdy <verdy underscore p at wanadoo dot fr> wrote: > I know that now ISO15924 publishes 4-letter codes for scripts used in > Bibliographic references and that it contains more scritps than in > Unicode as ISO-15924 needs separate codes for variants that are > unified for Unicode encoding.
That's one of the reasons. The other, as you mention later, is that some scripts that have ISO 15924 codes aren't in Unicode yet. > I also understand that Unicode defines its own "Hiragana_or_Katakana" > code that is needed for character classification of a few characters > (this specific code is not used as script codes for bibliographic > reference, and that's a good justification for listing the "script" > name in ISO-15924 between parentheses as this is a technical > requirement, however ISO-15924 still accepted to encode it under > NÂ=412, Code=Hrkt.) Michael says Hrkt was part of the draft standard before the Unicode character-classification need became known. > I also understand that Unicode also needs script IDs for "Common" and > "Inherit". > ... > - Should there exist a "Zwww" code in ISO 15924 for the Unicode > "Inherited" script ID? "Inherited" is a concept unique to UAX #24. There is no real need for such a code in ISO 15924. The private-use code Qaai works fine for that. -Doug Ewell Fullerton, California http://users.adelphia.net/~dewell/
