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   Re: [xml-dev] The task to be solved by RDDL. Re: [xml-dev] RDDL(was RE:

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At 10:02 PM +0100 1/20/02, Nicolas Lehuen wrote:

>Yeah, but it is too flexible. You can list the DTD or RELAX NG schema for
>RDDL in the RDDL document found at http://www.rddl.org/, but it will be
>usable only by human beings, not computers, because there is no clear
>algorithm to deduce the schema to use. If you take a RDDL document, you have
>three namespaces, so three RDDL document to load, with possibly more than
>three references to schemas (DTD, RELAX NG or other). How do I know which
>one is the one I should use to validate the document ?

There is an implicit assumptions in your comments that I'd challenge. 
You seem to be focusing on using schemas to validate *documents* as 
opposed to *elements*. If we refocus on elements rather than 
documents, the question is a lot easier to answer. Each element has a 
unique namespace. If that namespace has a RDDL document, then we can 
query that document to find a schema appropriate for validating that 

As per language, whichever one you want to use. If you like RELAX, 
use RELAX. If you like the W3C XML Schema Language, use that. 
However, if there are more than one in a given language then dispatch 
based on the purpose rather than the nature.

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