Change the docs to no longer claim that unittest is preferred over doctest for
regression tests.
diff --git a/Doc/lib/libtest.tex b/Doc/lib/libtest.tex
index 326c5f0..d22f50d 100644
--- a/Doc/lib/libtest.tex
+++ b/Doc/lib/libtest.tex
@@ -14,11 +14,11 @@
Each module in the \module{test} package whose name starts with
\samp{test_} is a testing suite for a specific module or feature.
-All new tests should be written using the \refmodule{unittest} module;
-using \refmodule{unittest} is not required but makes the tests more
-flexible and maintenance of the tests easier. Some older tests are
-written to use \refmodule{doctest} and a ``traditional'' testing
-style; these styles of tests will not be covered.
+All new tests should be written using the \refmodule{unittest} or
+\refmodule{doctest} module. Some older tests are
+written using a ``traditional'' testing style that compares output
+printed to \code{sys.stdout}; this style of test is considered
+deprecated.
\begin{seealso}
\seemodule{unittest}{Writing PyUnit regression tests.}
@@ -29,8 +29,8 @@
\subsection{Writing Unit Tests for the \module{test} package%
\label{writing-tests}}
-It is preferred that tests for the \module{test} package use the
-\refmodule{unittest} module and follow a few guidelines.
+It is preferred that tests that use the \refmodule{unittest} module
+follow a few guidelines.
One is to name the test module by starting it with \samp{test_} and end it with
the name of the module being tested.
The test methods in the test module should start with \samp{test_} and end with