1  <?xml version="1.0" encoding="UTF-8"?>
 2  
 3  <foo>
 4  <!-- def='NT-Char'--><!-->Char</nt>* ']]&gt;' <nt def='NT-Char'>Char</nt>*))
 5  ']]&gt;'</rhs>
 6  <com>CDATA sections</com>
 7  <rhs>| '&lt;!DOCTYPE' 
 8  (<nt def="NT-Char">Char</nt> - ('[' | ']'))+
 9  ('[' 
10  <nt def="NT-simpleDTD">simpleDTD</nt>*
11  ']')? '&gt;'</rhs>
12  <com>doc type declaration</com>
13  <prod id="NT-simpleDTD"><lhs>simpleDTD</lhs>
14  <rhs>'&lt;!&como;' 
15  (<nt def='NT-Char'>Char</nt>* - 
16  (<nt def='NT-Char'>Char</nt>* '&comc;' <nt def='NT-Char'>Char</nt>*))
17  '&comc;&gt;'</rhs>-->
18  </foo>