<?xml version="1.0" encoding="UTF-8"?>
     <!--the external dtd with comments -->
     	<!ELEMENT internalentities (#PCDATA)>
     	<!ATTLIST internalentities test CDATA #IMPLIED>
         <!ATTLIST internalentities image ENTITY #REQUIRED>
     	<!ENTITY didsimple 'simple entity' >
     	<!ENTITY dtdsimple2 'another simple entity'>
     	<!ENTITY % param '<!ELEMENT test (#PCDATA)>' >
     <!-- dtd closing comment -->