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Figure 202. Schema fragment for is:Select
<xs:complexType name="SelectType">
  <xs:complexContent>
    <xs:extension base="InquiryElementType">
      <xs:sequence>
        <xs:element name="Item" minOccurs="2" maxOccurs="unbounded">
          <xs:complexType>
            <xs:sequence>
              <xs:element ref="Hint" minOccurs="0"/>
            </xs:sequence>
            <xs:attribute name="label" type="xs:string" use="optional"/>
            <xs:attribute name="value" type="xs:NMTOKEN" use="required"/>
          </xs:complexType>