None, True, False are keywords now.

pep-3100.txt

@@ -70,7 +70,7 @@ Core language
 * Replace ``print`` by a function [14]_  [#pep3105]_ [done]
 * The ``softspace`` attribute of files goes away. [done]
 * Use ``except E1, E2, E3 as err:`` if you want the error variable. [3]_
-* ``None`` becomes a keyword [4]_ (What about ``True``, ``False``?)
+* ``None`` becomes a keyword [4]_ [done; also ``True`` and ``False``]
 * ``...`` to become a general expression element [16]_ [done]
 * ``as`` becomes a keyword [5]_ (starting in 2.6 already) [done]
 * Have list comprehensions be syntactic sugar for passing an