///
int latex(Buffer const *, std::ostream &, bool, bool) const;
///
int docBook(Buffer const * buf, std::ostream & os) const;
///
int ascii(Buffer const *, std::ostream &, int const depth,
///
int latex(Buffer const *, std::ostream &, bool, bool) const;
///
int docBook(Buffer const * buf, std::ostream & os) const;
///
int ascii(Buffer const *, std::ostream &, int const depth,