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   Re: [xml-dev] Newbie Q: Validating heterogeneous XML

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One way is to reference the XML schemas that define the various
vocabularies in the XML documents themselves, although - according to
the W3C Schema Recommendation 1.0 - schema processors are not required
to recognize these references. Another way is to associate the XML
documents with the pertinent schemas at the "point of processing", such
as at a server at which they are processed.

Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton
Strategy and Technology Consultants to the World

kynn@panix.com wrote:
> Here's a rank beginner's question.
> The main rationale I have seen for namespace support in XML is to
> enable the peaceful coexistence of XML fragments from various
> sources within the same ("heterogeneous") XML document without
> their trampling over each other's namespaces.
> What about the validation of such "heterogeneous" XML documents?
> Not only are various fragments probably governed by different
> syntaxes, but these syntaxes are probably specified using different
> languages (DTDs, XML Schema, etc.).
> How are all these competing standards and diverse syntatic
> specifications brought together to validate a heterogeneous XML
> document?
> Thanks!
> kj
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Kind Regards,
Joseph Chiusano
Booz | Allen | Hamilton


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