<?xml version='1.0'?> <xsd:schema targetNamespace="http://www.w3.org/XML/1998/namespace" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xml:lang="en"> <xsd:attribute name="lang" type="xsd:language"> </xsd:attribute> <xsd:attribute name="space" default="preserve"> <xsd:simpleType> <xsd:restriction base="xsd:NCName"> <xsd:enumeration value="default"/> <xsd:enumeration value="preserve"/> </xsd:restriction> </xsd:simpleType> </xsd:attribute> <xsd:attributeGroup name="specialAttrs"> <xsd:attribute ref="xml:lang"/> <xsd:attribute ref="xml:space"/> </xsd:attributeGroup> </xsd:schema>