=config C<> :allow<B>
=config V<> :allow<N>
C<code is N<of course> B<verbatim>>
V<verbatim is N<of course> B<verbatim>>
=config C<> :allow<B>
=config V<> :allow<N>
C<code is N<of course> B<verbatim>>
V<verbatim is N<of course> B<verbatim>>