def to_ufo_master_user_data(self, ufo, master):
for key in master.userData.keys():<EOL><INDENT>if _user_data_has_no_special_meaning(key):<EOL><INDENT>ufo.lib[key] = master.userData[key]<EOL><DEDENT><DEDENT>if UFO_DATA_KEY in master.userData:<EOL><INDENT>for filename, data in master.userData[UFO_DATA_KEY].items():<EOL><INDENT>ufo.data[filename] = bytes(data)<EOL><DEDENT><DEDENT>
Set master-specific user data as Glyphs does.