Used to handle situations where content associated with more than onecontainer (e.g., a quotation is found in book A but is attributed to book B). Thesource element is the container where the content is actually found; the originalelement is the true source of the content. In rare cases, a middle element benecessary to describe an intermediate container.
<xsd:complexType name="extendedSourceType"><xsd:annotation><xsd:documentation>Used to handle situations where content associated with more than one
container (e.g., a quotation is found in book A but is attributed to book B). The
source element is the container where the content is actually found; the original
element is the true source of the content. In rare cases, a middle element be
necessary to describe an intermediate container.</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="source" type="agentContainerLocationType"/><xsd:element name="middle" type="agentContainerLocationType" minOccurs="0" maxOccurs="unbounded"/><xsd:element name="foundIn" type="agentContainerLocationType"/></xsd:sequence></xsd:complexType>