2004-07-23 Atsushi Enomoto <atsushi@ximian.com>

2004-07-23  Atsushi Enomoto <atsushi@ximian.com>

	* XmlSchema.cs : Added internal XdtNamespace constant. don't fill
	  schemaset compoenents here.
	* XmlSchemaAttribute.cs : Implemented AttributeSchemaType.
	* XmlSchemaElement.cs : Implemented ElementSchemaType.
	* XmlSchemaSimpleType.cs : Added predefined simple types
	* XmlSchemaType.cs : Implemented GetBuiltInSimpleType().
	* XmlSchemaDatatype.cs : Allow Xdt namespaces too (not completed;
	  quick fix for GetBuiltInSimpleType()).

svn path=/trunk/mcs/; revision=31415