extern boost::filesystem::path private_test;
extern boost::filesystem::path xsd_test;
-extern void check_xml (xmlpp::Element* ref, xmlpp::Element* test, std::list<std::string> ignore);
+extern void check_xml (xmlpp::Element* ref, xmlpp::Element* test, std::list<std::string> ignore_tags, bool ignore_whitespace = false);
extern void check_xml (std::string ref, std::string test, std::list<std::string> ignore);
extern void check_file (boost::filesystem::path ref, boost::filesystem::path check);
extern boost::shared_ptr<dcp::MonoPictureAsset> simple_picture (boost::filesystem::path path, std::string suffix);