- From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
- Date: 14 Sep 2001 13:32:43 +0100
- To: KAZUMI Saito <ksaito@jp.fujitsu.com>
- Cc: xmlschema-dev@w3.org
KAZUMI Saito <ksaito@jp.fujitsu.com> writes:
> I'd like to know these are collect or not.
>
> 1. simple content complex type -- derive by restriction --> complex
> content complex type
No.
> 2. simple content complex type -- derive by extension --> complex
> content complex type
No.
> I could not find implicit prohibitions of these above.
These are intended to be ruled out by the relevant Schema Component
Constraints [1], namely Derivation Valid (Extension) and Derivation
Valid (Restriction, Complex). Please explain if you can see a way
that they're not covered.
[1] http://www.w3.org/TR/xmlschema-1/#coss-ct
--
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
W3C Fellow 1999--2001, 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/
Received on Friday, 14 September 2001 08:32:12 UTC