Added cmp and cmpcache to the "Obsolete" section.
diff --git a/Doc/lib/libundoc.tex b/Doc/lib/libundoc.tex
index 07824e7..52219cb 100644
--- a/Doc/lib/libundoc.tex
+++ b/Doc/lib/libundoc.tex
@@ -92,13 +92,16 @@
possibly using \envvar{PYTHONPATH}.
\begin{description}
-\item[\module{newdir}]
---- New \function{dir()} function (the standard \function{dir()} is
-now just as good)
-
\item[\module{addpack}]
--- alternate approach to packages
+\item[\module{cmp}]
+--- File comparison function. Use the newer \module{filecmp} instead.
+
+\item[\module{cmpcache}]
+--- Caching version of the obsolete \module{cmp} module. Use the
+newer \module{filecmp} instead.
+
\item[\module{codehack}]
--- Extract function name or line number from a function
code object (these are now accessible as attributes:
@@ -111,13 +114,17 @@
\item[\module{fmt}]
--- text formatting abstractions (too slow)
-\item[\module{Para}]
---- helper for fmt.py
-
\item[\module{lockfile}]
--- wrapper around FCNTL file locking (use
\function{fcntl.lockf()}/\function{flock()} intead; see \refmodule{fcntl})
+\item[\module{newdir}]
+--- New \function{dir()} function (the standard \function{dir()} is
+now just as good)
+
+\item[\module{Para}]
+--- helper for fmt.py
+
\item[\module{poly}]
--- Polynomials