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   Re: Declarative constraints for XML documents

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  • From: Kurt Donath <kurt.donath@lmco.com>
  • To: xml-dev@ic.ac.uk
  • Date: Wed, 18 Aug 1999 08:43:06 -0400

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.

"Arnold, Curt" wrote:
> A couple of options occured to me:
> 1) Typical procedural validation in a traditional language like VB or Java
> 2) XSL that would produce an exception report in XML or HTML
> 3) A combination of XSL pattern matching and procedural fragments written in
> Java, VBScript, or JavaScript.


Kurt Donath
Staff Systems Engineer
Intranet: http://www.syr.lmco.com/~donath/
.  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .
                   Lockheed Martin - Enterprise Information Systems
                                      Systems Engineering / Webserv

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