<xs:element name="schema" id="schema">
    <xs:annotation>
        <xs:documentation source="http://www.w3.org/TR/xmlschema-1/#element-schema" />
    </xs:annotation>
    <xs:complexType>
        <xs:complexContent>
            <xs:extension base="xs:openAttrs">
                <xs:sequence>
                    <xs:choice minOccurs="0" maxOccurs="unbounded">
                        <xs:element ref="xs:include" />
                        <xs:element ref="xs:import" />
                        <xs:element ref="xs:redefine" />
                        <xs:element ref="xs:annotation" />
                    </xs:choice>
                    <xs:sequence minOccurs="0" maxOccurs="unbounded">
                        <xs:group ref="xs:schemaTop" />
                        <xs:element ref="xs:annotation" minOccurs="0" maxOccurs="unbounded" />
                    </xs:sequence>
                </xs:sequence>
                <xs:attribute name="targetNamespace" type="xs:anyURI" />
                <xs:attribute name="version" type="xs:token" />
                <xs:attribute name="finalDefault" type="xs:fullDerivationSet" use="optional" default="" />
                <xs:attribute name="blockDefault" type="xs:blockSet" use="optional" default="" />
                <xs:attribute name="attributeFormDefault" type="xs:formChoice" use="optional" default="unqualified" />
                <xs:attribute name="elementFormDefault" type="xs:formChoice" use="optional" default="unqualified" />
                <xs:attribute name="id" type="xs:ID" />
                <xs:attribute ref="xml:lang" />
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
    <xs:key name="element">
        <xs:selector xpath="xs:element" />
        <xs:field xpath="@name" />
    </xs:key>
    <xs:key name="attribute">
        <xs:selector xpath="xs:attribute" />
        <xs:field xpath="@name" />
    </xs:key>
    <xs:key name="type">
        <xs:selector xpath="xs:complexType|xs:simpleType" />
        <xs:field xpath="@name" />
    </xs:key>
    <xs:key name="group">
        <xs:selector xpath="xs:group" />
        <xs:field xpath="@name" />
    </xs:key>
    <xs:key name="attributeGroup">
        <xs:selector xpath="xs:attributeGroup" />
        <xs:field xpath="@name" />
    </xs:key>
    <xs:key name="notation">
        <xs:selector xpath="xs:notation" />
        <xs:field xpath="@name" />
    </xs:key>
    <xs:key name="identityConstraint">
        <xs:selector xpath=".//xs:key|.//xs:unique|.//xs:keyref" />
        <xs:field xpath="@name" />
    </xs:key>
</xs:element>

• xsd:openAttrs
  • schema
  • xforms:schema