<foo>

Char</nt>* ']]>' <nt def='NT-Char'>Char</nt>*))

']]>'</rhs>

<com>CDATA sections</com>

<rhs>| '<!DOCTYPE' 

(<nt def="NT-Char">Char</nt> - ('[' | ']'))+

('[' 

<nt def="NT-simpleDTD">simpleDTD</nt>*

']')? '>'</rhs>

<com>doc type declaration</com>

<prod id="NT-simpleDTD"><lhs>simpleDTD</lhs>

<rhs>'<!&como;' 

(<nt def='NT-Char'>Char</nt>* - 

(<nt def='NT-Char'>Char</nt>* '&comc;' <nt def='NT-Char'>Char</nt>*))

'&comc;>'</rhs>-->

</foo>