The Integral class does not contain implementations for the bit-shifting operations. (See #3056.)

birkenfeld · birkenfeld · commit 1e1134a314cd · 2013-04-14T11:58:54.000+02:00
diff --git a/Doc/library/numbers.rst b/Doc/library/numbers.rst
@@ -71,10 +71,10 @@ The numeric tower
 
 .. class:: Integral
 
-   Subtypes :class:`Rational` and adds a conversion to :class:`int`.
-   Provides defaults for :func:`float`, :attr:`~Rational.numerator`, and
-   :attr:`~Rational.denominator`, and bit-string operations: ``<<``,
-   ``>>``, ``&``, ``^``, ``|``, ``~``.
+   Subtypes :class:`Rational` and adds a conversion to :class:`int`.  Provides
+   defaults for :func:`float`, :attr:`~Rational.numerator`, and
+   :attr:`~Rational.denominator`.  Adds abstract methods for ``**`` and
+   bit-string operations: ``<<``, ``>>``, ``&``, ``^``, ``|``, ``~``.
 
 
 Notes for type implementors
