#20974: Update version table in email intro.

Note that the email version string in 3.3 and 3.4 is inaccurate, since it
still exists but wasn't updated while the code was.

Doc/library/email.rst

@@ -91,15 +91,19 @@ table also describes the Python compatibility of each version of the package.
 +---------------+------------------------------+-----------------------+
 | :const:`2.5`  | Python 2.2.2+ and Python 2.3 | Python 2.1 to 2.5     |
 +---------------+------------------------------+-----------------------+
-| :const:`3.0`  | Python 2.4                   | Python 2.3 to 2.5     |
+| :const:`3.0`  | Python 2.4 and Python 2.5    | Python 2.3 to 2.6     |
 +---------------+------------------------------+-----------------------+
-| :const:`4.0`  | Python 2.5                   | Python 2.3 to 2.5     |
+| :const:`4.0`  | Python 2.5 to Python 2.7     | Python 2.3 to 2.7     |
 +---------------+------------------------------+-----------------------+
 | :const:`5.0`  | Python 3.0 and Python 3.1    | Python 3.0 to 3.2     |
 +---------------+------------------------------+-----------------------+
-| :const:`5.1`  | Python 3.2                   | Python 3.0 to 3.2     |
+| :const:`5.1`  | Python 3.2                   | Python 3.2            |
 +---------------+------------------------------+-----------------------+
 
+After Version 5.1 (Python 3.2), the email package no longer has a version that
+is separate from the Python version.  (See the :ref:`whatsnew-index` documents
+for the respective Python versions for details on changes.)
+
 Here are the major differences between :mod:`email` version 5.1 and
 version 5.0: