#endif
extern dcp::Size scale_for_display (dcp::Size s, dcp::Size display_container, dcp::Size film_container);
extern dcp::DecryptedKDM decrypt_kdm_with_helpful_error (dcp::EncryptedKDM kdm);
+extern boost::filesystem::path default_font_file ();
template <class T>
std::list<T>