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