Some updates and fix a bunch of really small consistency nits.

Doc/lib/libundoc.tex

-\chapter{Undocumented Modules}
-\label{undoc}
+\chapter{Undocumented Modules \label{undoc}}
 
 Here's a quick listing of modules that are currently undocumented, but
 that should be documented.  Feel free to contribute documentation for
-them!  (The idea and original contents for this chapter were taken
-from a posting by Fredrik Lundh; I have revised some modules' status.)
+them!  (Send via email to \email{python-docs@python.org}.)
+
+The idea and original contents for this chapter were taken
+from a posting by Fredrik Lundh; the specific contents of this chapter
+have been substantially revised.
 
 
 \section{Frameworks}
@@ -29,7 +31,7 @@ reference material.
 \item[\module{test}]
 --- Regression testing framework.  This is used for the Python
 regression test, but is useful for other Python libraries as well.
-This is a package rather than a module.
+This is a package rather than a single module.
 \end{description}
 
 
@@ -38,20 +40,15 @@ This is a package rather than a module.
 Some of these are very old and/or not very robust; marked with ``hmm.''
 
 \begin{description}
-\item[\module{dircmp}]
---- Class to build directory diff tools on (may become a demo or tool).
-\deprecated{2.0}{The \refmodule{filecmp} module will replace
-\module{dircmp}.}
-
 \item[\module{bdb}]
---- A generic Python debugger base class (used by pdb)
+--- A generic Python debugger base class (used by pdb).
 
 \item[\module{ihooks}]
---- Import hook support (for \refmodule{rexec}; may become obsolete)
+--- Import hook support (for \refmodule{rexec}; may become obsolete).
 
 \item[\module{tzparse}]
 --- Parse a timezone specification (unfinished; may disappear in the
-future)
+future).
 \end{description}
 
 
@@ -63,13 +60,14 @@ document these.
 
 \begin{description}
 \item[\module{dospath}]
---- implementation of \module{os.path} on MS-DOS
+--- Implementation of \module{os.path} on MS-DOS.
 
 \item[\module{ntpath}]
---- implementation on \module{os.path} on 32-bit Windows
+--- Implementation on \module{os.path} on Win32, Win64, WinCE, and
+OS/2 platforms.
 
 \item[\module{posixpath}]
---- implementation on \module{os.path} on \POSIX{}
+--- Implementation on \module{os.path} on \POSIX.
 \end{description}
 
 
@@ -77,10 +75,10 @@ document these.
 
 \begin{description}
 \item[\module{audiodev}]
---- Platform-independent API for playing audio data
+--- Platform-independent API for playing audio data.
 
 \item[\module{sunaudio}]
---- Interpret Sun audio headers (may become obsolete or a tool/demo)
+--- Interpret Sun audio headers (may become obsolete or a tool/demo).
 
 \item[\module{toaiff}]
 --- Convert "arbitrary" sound files to AIFF files; should probably
@@ -108,7 +106,8 @@ installing the shared object if using dynamically-loaded extensions.
 
 \begin{description}
 \item[\module{addpack}]
---- alternate approach to packages
+--- Alternate approach to packages.  Use the built-in package support
+instead.
 
 \item[\module{cmp}]
 --- File comparison function.  Use the newer \refmodule{filecmp} instead.
@@ -124,31 +123,33 @@ code object (these are now accessible as attributes:
 \member{co.co_firstlineno}).
 
 \item[\module{dircmp}]
---- class to build directory diff tools on (may become a demo or tool)
+--- Class to build directory diff tools on (may become a demo or tool).
+\deprecated{2.0}{The \refmodule{filecmp} module replaces
+\module{dircmp}.}
 
 \item[\module{dump}]
---- Print python code that reconstructs a variable
+--- Print python code that reconstructs a variable.
 
 \item[\module{fmt}]
---- text formatting abstractions (too slow)
+--- Text formatting abstractions (too slow).
 
 \item[\module{lockfile}]
---- wrapper around FCNTL file locking (use
-\function{fcntl.lockf()}/\function{flock()} instead; see \refmodule{fcntl})
+--- Wrapper around FCNTL file locking (use
+\function{fcntl.lockf()}/\function{flock()} instead; see \refmodule{fcntl}).
 
 \item[\module{newdir}]
 --- New \function{dir()} function (the standard \function{dir()} is
-now just as good)
+now just as good).
 
 \item[\module{Para}]
---- helper for fmt.py
+--- Helper for \module{fmt}.
 
 \item[\module{poly}]
---- Polynomials
+--- Polynomials.
 
 \item[\module{tb}]
 --- Print tracebacks, with a dump of local variables (use
-\function{pdb.pm()} or \refmodule{traceback} instead)
+\function{pdb.pm()} or \refmodule{traceback} instead).
 
 \item[\module{timing}]
 --- Measure time intervals to high resolution (use
@@ -157,14 +158,11 @@ now just as good)
 \item[\module{util}]
 --- Useful functions that don't fit elsewhere.
 
-\item[\module{wdb}]
---- A primitive windowing debugger based on STDWIN.
-
 \item[\module{whatsound}]
 --- Recognize sound files; use \refmodule{sndhdr} instead.
 
 \item[\module{zmod}]
---- Compute properties of mathematical "fields"
+--- Compute properties of mathematical ``fields.''
 \end{description}
 
 
@@ -173,13 +171,13 @@ or scripts.
 
 \begin{description}
 \item[\module{find}]
---- find files matching pattern in directory tree
+--- Find files matching pattern in directory tree.
 
 \item[\module{grep}]
---- grep
+--- \program{grep} implementation in Python.
 
 \item[\module{packmail}]
---- create a self-unpacking \UNIX{} shell archive
+--- Create a self-unpacking \UNIX{} shell archive.
 \end{description}
 
 
@@ -191,25 +189,20 @@ archive.
 \begin{description}
 \item[\module{ni}]
 --- Import modules in ``packages.''  Basic package support is now
-built in.
+built in.  The built-in support is very similar to what is provided in
+this module.
 
 \item[\module{rand}]
 --- Old interface to the random number generator.
 
 \item[\module{soundex}]
 --- Algorithm for collapsing names which sound similar to a shared
-key.  (This is an extension module.)
+key.  The specific algorithm doesn't seem to match any published
+algorithm.  (This is an extension module.)
 \end{description}
 
 
-\section{Extension modules}
-
-\begin{description}
-\item[\module{stdwin}]
---- Interface to STDWIN (an old, unsupported
-platform-independent GUI package).  Obsolete; use \module{Tkinter} for
-a platform-independent GUI instead.
-\end{description}
+\section{SGI-specific Extension modules}
 
 The following are SGI specific, and may be out of touch with the
 current version of reality.