/// set up the document fonts
std::string const loadFonts(std::string const & rm,
std::string const & sf, std::string const & tt,
bool const & sc, bool const & osf,
/// set up the document fonts
std::string const loadFonts(std::string const & rm,
std::string const & sf, std::string const & tt,
bool const & sc, bool const & osf,