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Content models

I have a note on "Using XSL as a Validation Language" at also published in July Interchange magazine (ISUG). The implications of XPath are sketched out in the note "Axis Models and Path Models" at

Francis Norton has a subsequent article "Generating XSL for Schema Validation" at which gives an XSL stylesheet for generating an XSL validator from a DCD schema. (Francis has worked further on this line, and may update that article and the software sometime, I believe.)

For anyone interested, there are also other articles on various alternatives to DTDs and content models at ---Rick Jelliffe

A validator need not perform all possible validations to be still useful. I have a note "Weaker Validation" at on this. In particular, for documents in development is it useful to have a weaker validation.