[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: WANTED: A New Breed of Developer
Costello, Roger L. wrote: > Wanted: persons with the ability to translate schemas into > schema-language-independent prose... > (I know it is not what you are asking but...) Why not express the schemas in schema-language-independent prose in the first place, then mark that up? Obviously this is the notional modus operandi of a Schematron user, but more or less the same thing is available in RELAX NG or XSD if you make a convention about what comments are actually used for (for example, and have markup that distinguishes between description or links to requirements and comments on implementation.) Since XSD and RELAX NG software is not really designed to cope with this assumption, the documentation features of XSD and RELAX NG have never gone anywhere, unfortunately. The difference is of course that XSD and RELAX NG have nice slots to talk about particular components, but no slots to have documentation on the relationship between components (if element X has to come after element Y, why is that?) The current form I am encouraging for Schematron assertions is this: An X should have a Y because Z. In other words: context/constraint/trace where we need to be open to the possibility that any context that never exists in fact, or constraint that cannot be traced to a requirement, or requirement that cannot be tested, may be bogus or a cause for investigation. Cheers Rick Jelliffe
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