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<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="A" type="X"/>
<!-- The purpose of this element is:
a) To have a fixed attribute use
b) To have an attribute with a fixed attribute declaration
c) To have a complex type with simple content and a fixed value
d) To have an element declaration with a fixed value
-->
<xsd:element name="B" fixed="howdy">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="xsd:string">
<xsd:attribute ref="fixedAttr" use="required" fixed="hello"/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="D" type="xsd:string" fixed="hey"/>
<xsd:attribute name="attr" type="xsd:string"/>
<xsd:attribute name="unparsedEntityAttr" type="xsd:ENTITIES"/>
<xsd:attribute name="fixedAttr" type="xsd:string" fixed="hello"/>
<xsd:complexType name="X">
<xsd:sequence>
<xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute ref="attr"/>
<xsd:attribute ref="unparsedEntityAttr"/>
</xsd:complexType>
<xsd:complexType name="Y">
<xsd:complexContent>
<xsd:restriction base="X">
<xsd:sequence>
<xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute ref="attr" fixed="typeY"/>
<xsd:attribute ref="unparsedEntityAttr" use="prohibited"/>
</xsd:restriction>
</xsd:complexContent>
</xsd:complexType>
<!-- Z is the same as X, but is not derived from X. -->
<xsd:complexType name="Z">
<xsd:sequence>
<xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:attribute ref="attr"/>
<xsd:attribute ref="unparsedEntityAttr"/>
</xsd:complexType>
<xsd:complexType name="idType">
<xsd:complexContent>
<xsd:extension base="X">
<xsd:attribute name="idAttr" type="xsd:ID"/>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
<xsd:complexType name="idrefType">
<xsd:complexContent>
<xsd:extension base="X">
<xsd:attribute name="idrefAttr" type="xsd:IDREF"/>
</xsd:extension>
</xsd:complexContent>
</xsd:complexType>
</xsd:schema>
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