[
Lists Home |
Date Index |
Thread Index
]
Jeff Lowery <jlowery@scenicsoft.com> writes:
> > > 1) Adding new value members to the value space of a type
> > can't be any good
> > > under any circumstances. It's possible to think up some
> > use for such a
> > > feature, but it would no doubt be better implemented using
> > one of the other
> > > mechanisms.
> >
> > If you mean simple type == datatype, then not only is it bad,
> > it's not
> > possible using W3C XML Schema. There is no derivation by extension
> > from simple types.
>
> I think that's the intent, anyway. I may be misremembering, but I thought
> there was a loophole or ambiguity in the spec that might allow one to add
> new enumeration values through simple type restriction? In any case it's
> bad, bad,bad.
No loophole, nope. At least, I sure hope not -- anyone?
ht
--
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
W3C Fellow 1999--2002, part-time member of W3C Team
2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
|
