=pod
=head0 this is head0
Z<HEAD0>
=head1 this is head1
Z<HEAD1>
=head2 this is head2
Z<HEAD2>
=head3 this is head3
Z<HEAD3>
=head4 this is head4
Z<HEAD4>
=begin table html this is table
Z<TABLE>
=end table
=begin figure this is figure
Z<FIGURE>
=end figure
=cut