<xs:element name="copyright">
<xs:complexType>
<xs:sequence>
<xs:element ref="addrLine" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="years" type="YearRanges" use="required"/>
<xs:attribute name="by" type="ShortDescriptiveName"/>
<xs:attribute name="logo" type="Uri"/>
<xs:attribute name="type" type="CopyrightType" default="author" use="optional"/>
</xs:complexType>
</xs:element>
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