1 <?xml version="1.0"?> 2 <!DOCTYPE doc [ 3 <!ELEMENT doc (src | dest)*> 4 <!ELEMENT src EMPTY> 5 <!ELEMENT dest EMPTY> 6 <!ATTLIST src ref IDREF #IMPLIED> 7 <!ATTLIST dest id ID #IMPLIED> 8 <!ENTITY dest SYSTEM "dtds/destfoo.ent"> 9 ]> 10 <doc> 11 <src ref="foo"/> 12 &dest; 13 <src ref="foo"/> 14 </doc> 15
