1<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> 2 3 <xsd:element name="A" type="X"/> 4 5 <!-- The purpose of this element is: 6 a) To have a fixed attribute use 7 b) To have an attribute with a fixed attribute declaration 8 c) To have a complex type with simple content and a fixed value 9 d) To have an element declaration with a fixed value 10 --> 11 <xsd:element name="B" fixed="howdy"> 12 <xsd:complexType> 13 <xsd:simpleContent> 14 <xsd:extension base="xsd:string"> 15 <xsd:attribute ref="fixedAttr" use="required" fixed="hello"/> 16 </xsd:extension> 17 </xsd:simpleContent> 18 </xsd:complexType> 19 </xsd:element> 20 21 <xsd:element name="D" type="xsd:string" fixed="hey"/> 22 23 <xsd:attribute name="attr" type="xsd:string"/> 24 25 <xsd:attribute name="unparsedEntityAttr" type="xsd:ENTITIES"/> 26 27 <xsd:attribute name="fixedAttr" type="xsd:string" fixed="hello"/> 28 29 <xsd:complexType name="X"> 30 <xsd:sequence> 31 <xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/> 32 </xsd:sequence> 33 <xsd:attribute ref="attr"/> 34 <xsd:attribute ref="unparsedEntityAttr"/> 35 </xsd:complexType> 36 37 <xsd:complexType name="Y"> 38 <xsd:complexContent> 39 <xsd:restriction base="X"> 40 <xsd:sequence> 41 <xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/> 42 </xsd:sequence> 43 <xsd:attribute ref="attr" fixed="typeY"/> 44 <xsd:attribute ref="unparsedEntityAttr" use="prohibited"/> 45 </xsd:restriction> 46 </xsd:complexContent> 47 </xsd:complexType> 48 49 <!-- Z is the same as X, but is not derived from X. --> 50 <xsd:complexType name="Z"> 51 <xsd:sequence> 52 <xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/> 53 </xsd:sequence> 54 <xsd:attribute ref="attr"/> 55 <xsd:attribute ref="unparsedEntityAttr"/> 56 </xsd:complexType> 57 58 <xsd:complexType name="idType"> 59 <xsd:complexContent> 60 <xsd:extension base="X"> 61 <xsd:attribute name="idAttr" type="xsd:ID"/> 62 </xsd:extension> 63 </xsd:complexContent> 64 </xsd:complexType> 65 66 <xsd:complexType name="idrefType"> 67 <xsd:complexContent> 68 <xsd:extension base="X"> 69 <xsd:attribute name="idrefAttr" type="xsd:IDREF"/> 70 </xsd:extension> 71 </xsd:complexContent> 72 </xsd:complexType> 73 74</xsd:schema> 75