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> I'm not sure that XSL is the place to enforce constraints > since it's for > style. Constraints also probably shouldn't live in the XML document > since they don't participate in the information space, but > act upon it. > Perhaps, in the same way that a document points to a schema > and a style > sheet, there should be a pointer to a set of methods that > would describe > these constraints or any other operations. Declarative constraints are what schemas are for! The W3C's XML Schema Working Group has already accepted as a requirement the ability to put "application-specific constraints" into schemas (see Structural requirement 5 in <http://www.w3.org/TR/1999/NOTE-xml-schema-req-19990215>). Let's not architect things that are "schema-like" but "not schemas"; let's make schemas able to say what we need them to say. Mike xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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