("real_title", "RealTitle"), ("test_time", "TestTime"),
("icon_href", "IconURI"), ("icon", "Icon"), ("charset", "Charset")):
if hasattr(b, attr_name):
("real_title", "RealTitle"), ("test_time", "TestTime"),
("icon_href", "IconURI"), ("icon", "Icon"), ("charset", "Charset")):
if hasattr(b, attr_name):