<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" 
elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:element name="contact">
		<xs:annotation>
			<xs:documentation>Test</xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:sequence>
				<xs:element name="book" maxOccurs="unbounded">
					<xs:complexType>
						<xs:sequence>
							<xs:element name="bibkey" type="xs:string"/>
							<xs:element name="title" type="xs:string"/>
							<xs:element name="author" type="xs:string" minOccurs="0"/>
							<xs:element name="abstract" type="xs:string" minOccurs="0"/>
							<xs:element name="year" type="xs:string" minOccurs="0"/>
							<xs:element name="publisher" type="xs:string" minOccurs="0"/>
							<xs:element name="address" type="xs:string" minOccurs="0"/>
							<xs:element name="isbn" type="xs:string" minOccurs="0"/>
							<xs:element name="x-language" type="xs:string" minOccurs="0"/>
							<xs:element name="x-audience" type="xs:string" minOccurs="0"/>
							<xs:element name="x-popularlevel" type="xs:string" minOccurs="0"/>
							<xs:element name="keywords" type="xs:string" minOccurs="0"/>
							<xs:element name="x-onbehalfof" type="xs:string" minOccurs="0"/>
						</xs:sequence>
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		</xs:complexType>
	</xs:element>
</xs:schema>