http://www.w3.org/2001/XMLSchema
schema —
<xs:complexType mixed="false" name="schema"><xs:complexContent></xs:complexType><xs:extension base="xs:schema"></xs:complexContent><xs:attribute ref="manage"> </xs:attribute><xs:attribute ref="isTopLevelRoot"> </xs:attribute><xs:attribute ref="publicName"> </xs:attribute></xs:extension>
include — add a sd:doc-loc attribute group
<xs:complexType mixed="false" name="include"><xs:complexContent></xs:complexType><xs:extension base="xs:include"></xs:complexContent><xs:attributeGroup ref="doc-loc"> </xs:attributeGroup></xs:extension>
redefine — add a sd:doc-loc attribute group
<xs:complexType mixed="false" name="redefine"><xs:complexContent></xs:complexType><xs:extension base="xs:redefine"></xs:complexContent><xs:attributeGroup ref="doc-loc"> </xs:attributeGroup></xs:extension>
import — add a sd:doc-loc attribute group
<xs:complexType mixed="false" name="import"><xs:complexContent></xs:complexType><xs:extension base="xs:import"></xs:complexContent><xs:attributeGroup ref="doc-loc"> </xs:attributeGroup></xs:extension>
appinfo — Restricting to docbook contents
<xs:complexType mixed="true" name="appinfo"><xs:complexContent mixed="true"></xs:complexType><xs:restriction base="xs:appinfo"></xs:complexContent><xs:sequence maxOccurs="unbounded" minOccurs="0"><xs:choice></xs:sequence><xs:element ref="bridgehead"> </xs:element><xs:element ref="para"> </xs:element></xs:choice><xs:attribute name="source" type="xs:anyURI"/></xs:restriction>