2.1.2.64 [ISO/IEC9075-14:2011] X101, Host language support for XML: DOCUMENT option

V0099:

The specification states the following:

 Subclause 12.8, "<SQL-invoked routine>":
  
 Without Feature X101, "Host language support for XML: DOCUMENT option", conforming SQL language shall not contain a <document or content> that is DOCUMENT.
  
 Subclause 16.1, "<set XML option statement>":
  
 Without Feature X101, "Host language support for XML: DOCUMENT option", conforming SQL language shall not contain a <set XML option statement> that contains DOCUMENT.

Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as follows:

Transact-SQL does not support this feature. See the DOCUMENT argument of the xml data type [MSDN-Transact-SQLRef] for equivalent functionality.

This variation pertains to xml data type functionality in SQL Server.