What interface is better for specifying namedtuple field docstrings? Point = namedtuple('Point', 'x y', doc='Point: 2-dimensional coordinate', field_docs=['abscissa', 'ordinate']) or Point = namedtuple('Point', [('x', 'absciss'), ('y', 'ordinate')], doc='Point: 2-dimensional coordinate') ? http://bugs.python.org/issue16669