Declaring Attributes

<xsd:schema xmlns:xsd="http://www.w3.org/2000/10/XMLSchema">
 
  <xsd:element name="SONG" type="SongType"/>

  <!-- An empty element -->
  <xsd:complexType name="PhotoType">
    <xsd:complexContent>
       <xsd:restriction base="xsd:anyType">
         <xsd:attribute name="ALT"    type="xsd:string"/>
         <xsd:attribute name="WIDTH"  type="xsd:nonNegativeInteger"/>
         <xsd:attribute name="HEIGHT" type="xsd:nonNegativeInteger"/> 
      </xsd:restriction>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType name="SongType">
  
    <xsd:element name="TITLE"     type="xsd:string" minOccurs="1" maxOccurs="1"/>
    <xsd:element name="PHOTO"     type="PhotoType"  minOccurs="0" maxOccurs="1"/>
    <xsd:element name="COMPOSER"  type="xsd:string" minOccurs="1" maxOccurs="unbounded"/>
    <xsd:element name="PRODUCER"  type="xsd:string" minOccurs="0" maxOccurs="unbounded"/>
    <xsd:element name="PUBLISHER" type="xsd:string" minOccurs="0" maxOccurs="1"/>
  
    <xsd:element name="YEAR"   type="xsd:year" minOccurs="1" maxOccurs="1"/>

    <xsd:element name="ARTIST" type="xsd:string" minOccurs="1" maxOccurs="unbounded"/>
    
  </xsd:complexType>

</xsd:schema>

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Copyright 2000 Elliotte Rusty Harold
elharo@metalab.unc.edu
Last Modified September 7, 2000