 <!NOTATION cgm PUBLIC "Computer Graphics Metafile">
 <!NOTATION ccitt PUBLIC "CCITT group 4 raster">

 <!ENTITY % text "(#PCDATA | emph)*">
 <!ENTITY infoflow SYSTEM "infoflow.ccitt" NDATA ccitt>
 <!ENTITY tagexamp SYSTEM "tagexamp.cgm"   NDATA cgm>

 <!ELEMENT report (title, chapter+)>
 <!ELEMENT title %text;>
 <!ELEMENT chapter (title, intro?, section*)>
 <!ATTLIST chapter
               shorttitle CDATA #IMPLIED>
 <!ELEMENT intro (para | graphic)+>
 <!ELEMENT section (title, intro?, topic*)>
 <!ATTLIST section
               shorttitle CDATA #IMPLIED
               sectid ID #IMPLIED>
 <!ELEMENT topic (title, (para | graphic)+)>
 <!ATTLIST topic
               shorttitle CDATA #IMPLIED
               topicid ID #IMPLIED>
 <!ELEMENT para (#PCDATA | emph | xref)*>
 <!ATTLIST para
               security (u | c | s | ts) "u">
 <!ELEMENT emph %text;>
 <!ELEMENT graphic EMPTY>
 <!ATTLIST graphic
               graphname ENTITY #REQUIRED>
 <!ELEMENT xref EMPTY>
 <!ATTLIST xref
               xrefid IDREF #IMPLIED>