<!– $Header: /home/cvsroot/w3c-xml-schema/user/examples/first-building-blocks.xsd,v 1.1 2001/11/26 13:27:07 vdv Exp $ –> <xs:schema xmlns:xs=“www.w3.org/2001/XMLSchema”>

<xs:include schemaLocation=“vdv-simpleTypes.xsd”/> <xs:include schemaLocation=“vdv-complexTypes.xsd”/>

<xs:element name="name" type="string32"/>
<xs:element name="qualification" type="string255"/>
<xs:element name="born" type="date"/>
<xs:element name="dead" type="date"/>
<xs:element name="isbn" type="isbn"/>
<xs:attribute name="id" type="xs:ID"/>
<xs:attribute name="available" type="xs:boolean"/>
<xs:attribute name="lang" type="supportedLanguages"/>
<xs:element name="title">
        <xs:complexType>
                <xs:simpleContent>
                        <xs:extension base="string255">
                                <xs:attribute ref="lang"/>
                        </xs:extension>
                </xs:simpleContent>
        </xs:complexType>
</xs:element>
<xs:element name="library">
        <xs:complexType>
                <xs:sequence>
                        <xs:element ref="book" maxOccurs="unbounded"/>
                </xs:sequence>
        </xs:complexType>
</xs:element>
<xs:element name="book">
                                <xs:complexType>
                                                                <xs:complexContent>
                                                                                                <xs:restriction base="bookTmp">
                <xs:sequence>
                        <xs:element ref="isbn"/>
                        <xs:element ref="title"/>
                        <xs:element ref="author" minOccurs="0" maxOccurs="unbounded"/>
                        <xs:element ref="character" minOccurs="0" maxOccurs="unbounded"/>
                </xs:sequence>
                <xs:attribute name="id" type="bookID"/>
                <xs:attribute ref="available"/>
                                                                                                </xs:restriction>
                                                                </xs:complexContent>
        </xs:complexType>
</xs:element>
<xs:element name="author">
                                <xs:complexType>
                                                                <xs:complexContent>
                                                                                                <xs:restriction base="personType">
                <xs:sequence>
                        <xs:element ref="name"/>
                        <xs:element ref="born"/>
                        <xs:element ref="dead" minOccurs="0"/>
                </xs:sequence>
                <xs:attribute ref="id"/>
                                                                                                </xs:restriction>
                                                                </xs:complexContent>
        </xs:complexType>
</xs:element>
<xs:element name="character">
        <xs:complexType>
                                                                <xs:complexContent>
                                                                                                <xs:restriction base="personType">
                <xs:sequence>
                        <xs:element ref="name"/>
                        <xs:element ref="born"/>
                        <xs:element ref="qualification"/>
                </xs:sequence>
                <xs:attribute ref="id"/>
                                                                                                </xs:restriction>
                                                                </xs:complexContent>
        </xs:complexType>
</xs:element>

</xs:schema>