Schematron error browser now available

[Rick Jelliffe]

The Schematron is a Open Source tree-pattern language for representing
schemas for XML documents. It is a radically different approach from
grammar-based schemas.  It is based on XPath, and can be *trivially*
implemented over an XSL system.  I think it has the potential to largely
supercede grammar-based schema languages such as DTDs, etc. for XML
validation.

David Carlisle has produced an implementation with an error browser:
Schematron Report. You can see an example at
http://www.ascc.net/xml/resource/schematron/DavidCarlisle/schematron-fra
me.html

The top frame are the error messages produced by the Schematron itself.
Click on the error messages and source code in the lower frame goes to
the apporpriate place in the source document.  This example uses a
partial schema for the WAI guidelines. You can see the schema at
http://www.ascc.net/xml/resource/schematron/wai.xml

The Schematron home page is
http://www.ascc.net/xml/resource/schematron/schematron.html

Rick Jelliffe
Computing Centre
Academia Sinica


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