Namespaces
http://www.w3.org/2001/XMLSchema	Part 1 version: Id: XMLSchema.xsd,v 1.53 2003/02/24 17:40:07 ht Exp Part 2 version: Id: datatypes.xsd,v 1.60 2003/04/05 11:02:30 ht Exp
http://www.w3.org/XML/1998/namespace	See http://www.w3.org/XML/1998/namespace.html and http://www.w3.org/TR/REC-xml for information about this namespace.