<xs:schema targetNamespace="http://www.w3.org/2006/10/ttaf1" xml:lang="en"
  xmlns:xs="http://www.w3.org/2001/XMLSchema"
  xmlns:tt="http://www.w3.org/2006/10/ttaf1"
  xmlns:ttm="http://www.w3.org/2006/10/ttaf1#metadata">
  <xs:include schemaLocation="ttaf1-dfxp-core-attribs.xsd"/>
  <xs:import namespace="http://www.w3.org/2006/10/ttaf1#metadata"
    schemaLocation="ttaf1-dfxp-metadata-items.xsd"/>
  <xs:attributeGroup name="metadata.attlist">
    <xs:attributeGroup ref="tt:Core.attrib.class"/>
  </xs:attributeGroup>
  <xs:complexType name="metadata.eltype" mixed="true">
    <xs:sequence>
      <xs:any namespace="##other" processContents="lax" minOccurs="0"
        maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attributeGroup ref="tt:metadata.attlist"/>
  </xs:complexType>
  <xs:element name="metadata" type="tt:metadata.eltype"/>
  <xs:group name="MetadataNoAgent.class">
    <xs:choice>
      <xs:group ref="ttm:MetadataItems.class"/>
      <xs:element ref="tt:metadata"/>
    </xs:choice>
  </xs:group>
  <xs:group name="Metadata.class">
    <xs:choice>
      <xs:group ref="tt:MetadataNoAgent.class"/>
      <xs:element ref="ttm:agent"/>
    </xs:choice>
  </xs:group>
</xs:schema>

• metadata.attlist

• metadata.eltype

• metadata

• Metadata.class
• MetadataNoAgent.class