- From: Henry S. Thompson <ht@inf.ed.ac.uk>
- Date: Tue, 23 Mar 2004 10:21:12 +0000
- To: gayathri veerarajan <gaytri_v@yahoo.co.in>
- Cc: xmlschema-dev@w3.org
gayathri veerarajan <gaytri_v@yahoo.co.in> writes:
> I just read the Xml Schema Second Edition .In the section of
> substitution group it has been said that both the head element and
> the substitutable elements must be declared global.
This is not a change.
> If the substitutable element happens to appear in the content model
> of a complexType definition then while deriving a new complex type
> by restriction,this element could not be restricted (by its type) if
> it is declared globally. hence there should be a possibility to
> declare the substitutable element locally also. any comments
> regarding this.
You can reference a global declaration at any point, so there is no
bar to the kind of derivation you describe.
ht
--
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
Half-time member of W3C Team
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Received on Tuesday, 23 March 2004 05:22:22 UTC