From: Kenneth Whistler (kenw@sybase.com)
Date: Mon Jun 21 2010 - 14:52:32 CDT
A small aside on one suggestion by Philippe Verdy:
> This also suggests a new separate general category for the abstract
> symbols/traits encoded for such complex scripts, instead of assigning
> them in "gc=Lo" or defining them as unrelated symbols in "gc=S*" :
> possibly "gc=Lx" ?
That would run afoul of one of the Unicode Character Encoding
Stability Policy guarantees:
http://www.unicode.org/policies/stability_policy.html#Property_Value
To wit:
"The General_Category property values will not be further subdivided."
*If* characters for SignWriting are ever encoded in the Unicode
Standard, the precedent followed would almost certainly be
that of musical symbols: they would be given gc=So (Other_Symbol),
and any particularities regarding layout would be handled by
other mechanisms.
Incidentally, as an aside, I consider it most unlikely that
anything approaching a generic glyph description language
would ever be encoded as Unicode *characters*. Such problems
clearly belong in other realms than character encoding per se.
--Ken
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