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Re: simpleContent and restriction

From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
Date: 01 Feb 2001 09:46:23 +0000
To: Michael Anderson <michael@research.canon.com.au>
Cc: Arnaud Blandin <blandin@intalio.com>, xmlschema-dev@w3.org
Message-ID: <f5bbssmenww.fsf@cogsci.ed.ac.uk>
Michael Anderson <michael@research.canon.com.au> writes:

<snip/>

> So your example will only be OK if foo2 is rewritten as foo and the
> type "something" is validly derived from "somethingElse".  Ie, the
> following is now O (though probably not what you wanted)

I agree that this is now correct, and the only way an attribute can
appear.  The other possibility is to have facets in the restriction.

> <complexType>
>          <simpleContent>
>                  <restriction base="type">
>                          <attribute name="foo" type="something"/>
>                  </restriction>
>          </simpleContent>
>  </complexType>
> 
>  <complexType name="type">
>          <simpleContent>
>                  <extension base="string">
>                          <attribute name="foo" type="somethingelse"/>
>                  </extension>
>          </simpleContent>
>  </complexType>
> 
> <simpleType name="something">
>   <restriction base="somethingelse">
>     <length value="10"/>
>   </restriction>
> </simpleType>
> 
> mick.

ht
-- 
  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 Thursday, 1 February 2001 04:46:28 UTC

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