colander.Invalid exception to the narrative docs. - Add (existing, but previously non-API) colander.Invalid attributes to its interface within the API documentation. - Fix Chrome pre renderings.
This is a boolean representing whether an empty string is a valid value during deserialization, defaulting to ``False``.
is created with more than one member.
partially serialize. - Get rid of ``pdeserialize``: it existed only for symmetry. We'll add something like it back later if we need it.