1<?xml version='1.0'?> 2<!DOCTYPE xs:schema PUBLIC "-//W3C//DTD XMLSCHEMA 200102//EN" "XMLSchema.dtd" > 3<xs:schema targetNamespace="http://www.w3.org/XML/1998/namespace" xmlns:xs="http://www.w3.org/2001/XMLSchema" xml:lang="en"> 4 5 <xs:attribute name="lang" type="xs:language"> 6 <xs:annotation> 7 <xs:documentation>In due course, we should install the relevant ISO 2- and 3-letter 8 codes as the enumerated possible values . . .</xs:documentation> 9 </xs:annotation> 10 </xs:attribute> 11 12 <xs:attribute name="space" default="preserve"> 13 <xs:simpleType> 14 <xs:restriction base="xs:NCName"> 15 <xs:enumeration value="default"/> 16 <xs:enumeration value="preserve"/> 17 </xs:restriction> 18 </xs:simpleType> 19 </xs:attribute> 20 21 <xs:attribute name="base" type="xs:anyURI"> 22 <xs:annotation> 23 <xs:documentation>See http://www.w3.org/TR/xmlbase/ for 24 information about this attribute.</xs:documentation> 25 </xs:annotation> 26 </xs:attribute> 27 28 <xs:attributeGroup name="specialAttrs"> 29 <xs:attribute ref="xml:base"/> 30 <xs:attribute ref="xml:lang"/> 31 <xs:attribute ref="xml:space"/> 32 </xs:attributeGroup> 33 34</xs:schema> 35