Re: XForms 2.0 schema [XPath 2.0, JSON/CSV, Multiple MIPS, @nodeset, @p3ptype, @caseref, AVT]

No  changes to http://www.w3.org/MarkUp/Forms/wiki/XForms-nons-20.rnc
are necessary for the following:

* XPath 2.0
There is no mention of XPath version in the RNC

* JSON/CSV
There appear to be no syntax changes in XForms markup associated with 
JSON/CSV support

* Multiple MIPS
There appear to be no syntax changes in XForms markup associated with 
multiple MIPS.

* @nodeset deprecation and replacement with @ref
Already done

* @p3ptype deprecation
Already done

* @caseref
Already done

* AVT
Already done; however, AVT decisions may need to be revisited about 
attributes on script, var, and function.

Leigh.