1 <?xml version="1.0" encoding="utf-8"?> 2 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> 3 <xs:group name="name"> 4 <xs:choice> 5 <xs:element name="name" type="xs:string"/> 6 <xs:sequence> 7 <xs:element name="first-name" type="xs:string"/> 8 <xs:element name="middle-name" type="xs:string" minOccurs="0"/> 9 <xs:element name="last-name" type="xs:string"/> 10 </xs:sequence> 11 </xs:choice> 12 </xs:group> 13 <xs:element name="author"> 14 <xs:complexType> 15 <xs:group ref="name"/> 16 </xs:complexType> 17 </xs:element> 18 </xs:schema> 19
