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[Bug 6168] Interaction of notQName="##defined" with processContents

From: <bugzilla@wiggum.w3.org>
Date: Fri, 17 Oct 2008 08:48:03 +0000
To: www-xml-schema-comments@w3.org
Message-Id: <E1Kql07-0005FZ-SI@farnsworth.w3.org>


--- Comment #1 from Michael Kay <mike@saxonica.com>  2008-10-17 08:48:03 ---
Further thoughts on this. There now seem to be four ways of controlling what
happens when a wildcard matches/does not match a global element/attribute

strict: validate if defined, error if not

lax: validate if defined, untyped if not

skip: untyped if defined, untyped if not

notQName=defined: error if defined, untyped if not

One practical implication of making this a fourth option on processContents
(let's say processContents="undeclared") would be that it would affect the
rules for wildcard intersection and union. Currently the rules for attribute
groups with multiple wildcards are pretty strange: you get the intersection of
the allowed namespaces, but the processContents of the first wildcard. Moving
the notQName=defined so it became a processContents option wouldn't suddenly
set the world to rights on this, but it would ensure that you don't end up with
crazy combinations like processContents="strict" notQName="##defined".

(I'm not sure where this leaves notQName="##definedSibling", however - that's
another carbuncle, if you ask me.)

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Received on Friday, 17 October 2008 08:48:13 UTC

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