11. The system of claim 8 wherein the specification comprises an XML Document Type Definition that describes element names and XML syntax rules for creating a description of the document.
11. The system of claim 8 wherein the specification comprises an XML Document Type Definition that describes element names and XML syntax rules for creating a description of the document. 12. The system of claim 11 wherein the description comprises a well-formed XML document file generated responsive to the XML Document Type Definition.