--- /dev/null
+<!-- targetdatabase.dtd -->
+<!-- A DTD for managing cross reference target information -->
+
+<!ELEMENT targetset (targetsetinfo?, sitemap*, document*) >
+
+<!ELEMENT targetsetinfo (#PCDATA) >
+
+<!ELEMENT sitemap (dir) >
+
+<!ELEMENT dir ((dir|document)*) >
+<!ATTLIST dir
+ name CDATA #REQUIRED
+>
+
+<!ELEMENT document (div*) >
+<!ATTLIST document
+ targetdoc CDATA #REQUIRED
+ uri CDATA #IMPLIED
+ baseuri CDATA #IMPLIED
+ href CDATA #IMPLIED
+>
+
+<!ELEMENT div (ttl?, objttl?, xreftext?, page?, (div|obj)*)>
+<!ATTLIST div
+ targetid CDATA #REQUIRED
+ element CDATA #IMPLIED
+ name CDATA #IMPLIED
+ number CDATA #IMPLIED
+ href CDATA #IMPLIED
+ lang CDATA #IMPLIED
+>
+
+
+<!ELEMENT ttl (#PCDATA)>
+<!ELEMENT objttl (#PCDATA)>
+<!ELEMENT xreftext (#PCDATA)>
+<!ELEMENT page (#PCDATA)>
+
+<!ELEMENT obj (ttl?, objttl?, xreftext?, page?)>
+<!ATTLIST obj
+ targetid CDATA #REQUIRED
+ element CDATA #IMPLIED
+ name CDATA #IMPLIED
+ number CDATA #IMPLIED
+ href CDATA #IMPLIED
+ lang CDATA #IMPLIED
+>