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Re: What are the characteristics of a good type system for XML


Re:  What are the characteristics of a good type system for XML
Dare Obasanjo scripsit:

> I should point out that I simplified the cases in my geralizations. Many
> sophisticated users of validation do want more than regexes and strings
> when ensuring that a document satisfies its contract. They want to
> ensure values fall within certain ranges and ensure that various
> interdependencies are enforced. 

I agree that regexes are not enough, but supplemented with ranges and precision
for suitable types, they do almost the whole job.  Integrity checks are important,
but I haven't seen anything yet that is really satisfying in this respect except
full Schematron processing.

-- 
John Cowan  jcowan@r...  www.ccil.org/~cowan  www.reutershealth.com
"In the sciences, we are now uniquely privileged to sit side by side
with the giants on whose shoulders we stand."
        --Gerald Holton

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