HTML::TokeParser::Simple::Token::Declaration (3pm)

 use HTML::TokeParser::Simple;
 my $p = HTML::TokeParser::Simple->new( $somefile );

 while ( my $token = $p->get_token ) {
     # This prints all text in an HTML doc (i.e., it strips the HTML)
     next unless $token->is_text;
     print $token->as_is;
 }

This is the declaration class for tokens.

is_declaration

\*(C`is_declaration()\*(C' will return true if the token is the \s-1DTD\s0 at the top of the \s-1HTML\s0.