1 <?xml version="1.0" encoding="ISO-8859-1"?> 2 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="unqualified"> 3 4 <xs:element name="foo" type="baseType"/> 5 6 <xs:complexType name="baseType"> 7 <xs:all> 8 <xs:element name="bar" type="derivedType" minOccurs="0"/> 9 </xs:all> 10 <xs:attribute name="attrA" type="xs:string" use="required"/> 11 </xs:complexType> 12 13 <xs:complexType name="derivedType"> 14 <xs:complexContent> 15 <xs:extension base="baseType"> 16 <xs:attribute name="attrB" type="xs:string" use="required"/> 17 </xs:extension> 18 </xs:complexContent> 19 </xs:complexType> 20 21 </xs:schema> 22 23 24 25 26
