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RE: Micro XSD for Micro XML?

• From: "Costello, Roger L." <costello@mitre.org>
• To: "xml-dev@lists.xml.org" <xml-dev@lists.xml.org>
• Date: Fri, 17 Dec 2010 13:42:10 -0500

Hi Folks,

A validation language for Micro XML ... is XML syntax necessary for the validation language?

To avoid bias, perhaps rather than "Micro XSD" the language should be referred to simply as a validation language for Micro XML, e.g., Micro VL.

When is XML syntax needed and useful? When is a more compact syntax better?

Presumably everyone on this list agrees that it is good to format data as XML when the data is to be queried and transformed. 

How often are validation documents (such as XML Schema documents) queried and transformed? No doubt it is done, but is that the 80% case or is it the exception to the rule?

If it is the exception to the rule then that calls to question the need for an XML syntax for Micro VL. 

Many people enjoy Relax NG Compact. It has a non-XML syntax. Its history shows that it works fine as a validation language.

Consideration of a compact, non-XML syntax for a Micro XML validation language seems prudent.

/Roger 

• Follow-Ups:
  • Re: Micro XSD for Micro XML?
    • From: Stephen Green <stephengreenubl@gmail.com>

• References:
  • Micro XSD for Micro XML?
    • From: Stephen Green <stephengreenubl@gmail.com>
  • Re: Micro XSD for Micro XML?
    • From: Michael Kay <mike@saxonica.com>
  • Re: Micro XSD for Micro XML?
    • From: Olivier Rossel <olivier.rossel@gmail.com>