- string const & from_file, string const & to_file_base,
- string const & from_format, string const & to_format);
- ///
- string const dvips_options(Buffer const * buffer);
- ///
- string const dvipdfm_options(Buffer const * buffer);
+ std::string const & from_file, std::string const & to_file_base,
+ std::string const & from_format, std::string const & to_format);