Linking Example: A Link Farm
DTD with quotation, source, citation, and the following links cover element: <!ELEMENT links (quotation)*>
<?XML version="1.0"?> <!DOCTYPE links SYSTEM "links.dtd"> <links> <quotation> <citation HREF="memoex2.xml#a1"/> <source HREF="memoex1.xml#p1"/> </quotation> <quotation> <citation HREF="memoex2.xml#a2"/> <source HREF="memoex1.xml#p7"/> </quotation> </links>