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RE: NVDL: A Disruptive Technology

• From: Len Bullard <len.bullard@u...>
• To: Jonathan Robie <jonathan.robie@r...>, Michael Kay <mike@s...>
• Date: Mon, 12 May 2008 11:30:00 -0500

This isn't even hard.  XML is a metalanguage.

I don't disagree about validating in the business logic.

len


From: Jonathan Robie [mailto:jonathan.robie@r...] 

But I'm not sure what the original comment was intended to convey. In 
what way is XML not a single language? There's essentially one markup 
language called XML. Is it not a single language because DTDs, W3C XML 
Schemas, and schemaless docs are all in widespread use, Relax-NG is 
popular with the cool crowd, and Those Who Know rely on Schematron?

You know, a bunch of people I know look at this fragmentation and 
conclude that it's best to do validation at the business level by 
writing code. Creating more schema languages doesn't convince them to 
rely more on schemas and less on code.

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    • From: "Michael Kay" <mike@s...>