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Re: [schema] which assertions can't you express ?

can t express xsd

> 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.


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