- From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
- Date: 11 Nov 2002 10:50:49 +0000
- To: Neil Bradley <neil.bradley@rubus.com>
- Cc: "'xmlschema-dev@w3.org'" <xmlschema-dev@w3.org>
Neil Bradley <neil.bradley@rubus.com> writes:
> The Abstract attribute may be used on the ComplexType element. But it cannot
> be used on the SimpleType element. Why?
>
> I had thought it might be to reinforce a rule that abstract types cannot be
> based on concrete types, yet this is actually possible with complex types.
I can't reconstruct the original arguments against this, but there
were some. It's under discussion as a possible 1.1 feature.
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]
Received on Monday, 11 November 2002 05:50:50 UTC