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

• To: Dare Obasanjo <dareo@m...>
• Subject: Re: What are the characteristics of a good type system for XML?
• From: John Cowan <cowan@m...>
• Date: Wed, 14 May 2003 14:10:14 -0400
• Cc: xml-dev@l...
• In-reply-to: <B885BEDCB3664E4AB1C72F1D85CB29F805C1F9E9@R...>
• References: <B885BEDCB3664E4AB1C72F1D85CB29F805C1F9E9@R...>
• User-agent: Mutt/1.3.28i

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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  • RE: What are the characteristics of a good type system for XML?
    • From: "Dare Obasanjo" <dareo@m...>

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