Altova Mailing List Archives>Archive Index >xml-dev Archive Home >Recent entries >Thread Prev - RE: [xml-dev] [schema] which assertions can't you express ? [Thread Next] Re: [xml-dev] [schema] which assertions can't you express ?To: ncross@---.--.-- Date: 9/8/2004 2:46:00 PM > So in XSD how would I say that this item, wherever it appears in the
> tree will always be a string?
> <section id="name"/>
you can't.
in relax ng it would be something lke
section |= element section {attribute id {"name"}, xsd:string}
where this snippet says that the pattern "section" means a section
element which _has_ to have id="name" and content an xsd:string and the
|= means that it will be -or-ed together with any other definitions to
hand so by having a bunch of these for all possible id values you can
express the constraints that I think you want.
David
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