David Megginson david at
Thu May 27 15:33:58 BST 1999

Didier PH Martin writes:

 > SGML property sets could be defined with SGML elements. Are you
 > planning to include in the specs a way to specify an information
 > set with XML elements?

If you go to the XML Information Set Requirements [1] and look at
design principle #4, you'll see the following:

4. The XML Information Set specification shall include a non-normative
   formal model that allows for machine testing and verification of
   the information set. 

Although it didn't make it into the first public WD, you can expect to
see this model in future releases, and it will most likely be
expressed in XML markup of some sort.

 More than that, I cannot say....

All the best,



David Megginson                 david at

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