std::vector<boost::filesystem::path> directories,
boost::function<void (std::string, boost::optional<boost::filesystem::path>)> stage,
boost::function<void (float)> progress,
- boost::filesystem::path xsd_dtd_directory
+ boost::optional<boost::filesystem::path> xsd_dtd_directory = boost::optional<boost::filesystem::path>()
);
std::string note_to_string (dcp::VerificationNote note);