<?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 -->