Fix markup.

Doc/library/unittest.rst

@@ -79,18 +79,15 @@ need to derive from a specific class.
    Module :mod:`doctest`
       Another test-support module with a very different flavor.
 
-   `Simple Smalltalk Testing: With Patterns
-   <http://www.XProgramming.com/testfram.htm>`_
+   `Simple Smalltalk Testing: With Patterns <http://www.XProgramming.com/testfram.htm>`_
       Kent Beck's original paper on testing frameworks using the pattern shared
       by :mod:`unittest`.
 
-   `Nose <http://code.google.com/p/python-nose/>`_ and `py.test
-   <http://pytest.org>`_
+   `Nose <http://code.google.com/p/python-nose/>`_ and `py.test <http://pytest.org>`_
       Third-party unittest frameworks with a lighter-weight syntax for writing
       tests.  For example, ``assert func(10) == 42``.
 
-   `python-mock <http://python-mock.sourceforge.net/>`_ and
-   `minimock <http://blog.ianbicking.org/minimock.html>`_
+   `python-mock <http://python-mock.sourceforge.net/>`_ and `minimock <http://blog.ianbicking.org/minimock.html>`_
       Tools for creating mock test objects (objects simulating external
       resources).