]> Get access to the xml: attribute groups for xml:lang First the builtin primitive datatypes. These definitions are for information only, the real builtin definitions are magic. Not in particular that there is no type named 'urType' -- the real urType is not available by name. Now the derived primitive types pattern matches production 33 from the XML spec pattern matches production 7 from the XML spec pattern matches production 5 from the XML spec pattern matches production 4 from the Namespaces in XML spec This type is extended by almost all schema types to allow attributes from other namespaces to be added to user schemas. This type is extended by all types which allow annotation other than <schema> itself Can be restricted to required or forbidden Required at the top level Forbidden when nested A utility type, not for public use each (8-bit) byte is encoded as a sequence of 2 hexidecimal digits value is encoded in Base64 as defined in the MIME RFC