gistfile1.xml

<xs:element name="gap">
    <xs:complexType>
        <xs:sequence>
            <xs:element name="correct" type="xs:string" maxOccurs="unbounded"/>
        </xs:sequence>
        <xs:attribute name="inputLength" use="optional">
            <xs:simpleType>
                <xs:restriction base="xs:int">
                    <xs:minInclusive value="1"/>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="ignoreCase" type="xs:boolean" use="optional"/>
        <xs:attribute name="initialValue" type="xs:string" use="optional"/>
        <xs:attribute name="needsManualCorrection" type="xs:boolean" use="optional"></xs:attribute>
    </xs:complexType>
</xs:element>