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bryan rasmussen wrote:
> You want
>to know your type system will complete at some time.
>
>
There has been good work on the theoretical classification of schema
languages over
the last two or three years.
My impression is that as soon as your schema language supports IDREF it
is stuffed,
from an NP POV: Schematron, XSD, RELAX NG, DTDs, the lot!
Theoretical classification is important for know what the
characteristics of things
are, and what pathological problems implementations may have to deal with.
But people who reject one language or another on theoretical grounds alone,
without considering their pragmatic value, need to have an alternative
otherwise
they are troll-like.
Cheers
Rick Jelliffe
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