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RE: [XML Schema 1.1] Does mode="none" on a subtype nullify the openness of its parent type?

From: Michael Kay <mike@saxonica.com>
Date: Fri, 5 Jun 2009 17:04:30 +0100
To: "'Costello, Roger L.'" <costello@mitre.org>, <xmlschema-dev@w3.org>
Message-ID: <6C2E6181B78246808C0072EF2F7328EF@Sealion>
> Thanks Michael. So, by putting mode="none" on a subtype it is 
> only prohibiting extension elements from being inserted 
> around the subtypes' elements; extension elements can still 
> be inserted around the parent type's elements. Is that correct?


The content of an element is validated either against the parent type P or
against the subtype S. If it's validated against P then "extension" elements
are allowed; it it's validated against S then they aren't. Which type is
used for validation depends on the type defined in the element declaration
and/or the value of xsi:type on the instance.


Michael Kay
Received on Friday, 5 June 2009 16:05:05 UTC

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