Описание тега xsd-1.1
Use this tag for questions specific to XSD version 1.1, the successor to XSD 1.0. XSD 1.1 introduced significant new features, and it requires the use of different processors.
As of April 5th 2012, the XML Schema Definition (XSD) 1.1 is a W3C Recommendation; for more information on XSD, see W3C XML Schema.