def to_glyphs_family_user_data_from_designspace(self):
target_user_data = self.font.userData<EOL>for key, value in self.designspace.lib.items():<EOL><INDENT>if key == UFO2FT_FEATURE_WRITERS_KEY and value == DEFAULT_FEATURE_WRITERS:<EOL><INDENT>continue<EOL><DEDENT>if _user_data_has_no_special_meaning(key):<EOL><INDENT>target_user_data[key] = value<EOL><DEDENT><DEDENT>
Set the GSFont userData from the designspace family-wide lib data.