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   RE: [xml-dev] W3C XML Schema Test Collection

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Title: RE: [xml-dev] W3C XML Schema Test Collection
Concur.  Once I worked with XML Spy and Topologi, did the clean up based on the
the original sources, created the validation types based on facets, particularly
regexes, the use of another layer consisting of Schematron assertions was
obvious.  At this point, many programmers would probably go to the
business rules in their own code, but somehow it makes sense to me to
expose as much of this as possible it the schema given its inherent transportability,
ease of application, and ease of integration when the purpose is to
share very large data descriptions and data sets as modularly as possible.
Coarse transactions and loose coupling don't come for free or cohere
without opening up more of these rules as part of the initial set of shared
I have great hopes for the ISO project that Rick et al are working on. Until then,
we don't have much choice but to push forward with XML Schema.

From: Michael Brennan [mailto:Michael_Brennan@Allegis.com]
This is one area where Schematron shines. The schema author can define the diagnostic messages to present to the user. Schematron seems to be the only schema language that is actually designed to be useful to document authors.


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