Some cleanup in the docs.
diff --git a/Doc/library/undoc.rst b/Doc/library/undoc.rst
index e4fea83..c316e32 100644
--- a/Doc/library/undoc.rst
+++ b/Doc/library/undoc.rst
@@ -195,13 +195,12 @@
 linked, or building and installing the shared object if using dynamically-loaded
 extensions.
 
-.. % %% lib-old is empty as of Python 2.5
-.. % Those which are written in Python will be installed into the directory
-.. % \file{lib-old/} installed as part of the standard library.  To use
-.. % these, the directory must be added to \code{sys.path}, possibly using
-.. % \envvar{PYTHONPATH}.
+.. (lib-old is empty as of Python 2.5)
 
-.. % XXX need Windows instructions!
+   Those which are written in Python will be installed into the directory
+   \file{lib-old/} installed as part of the standard library.  To use
+   these, the directory must be added to \code{sys.path}, possibly using
+   \envvar{PYTHONPATH}.
 
 :mod:`timing`
    --- Measure time intervals to high resolution (use :func:`time.clock` instead).