Merge the old dumbdbm documetation into the new docs that have been added.

Make some module references hyperlinks.

Doc/lib/libanydbm.tex

@@ -57,40 +57,3 @@ strings.
   \seemodule{whichdb}{Utility module used to determine the type of an
                       existing database.}
 \end{seealso}
-
-
-\section{\module{dumbdbm} ---
-         Portable DBM implementation}
-
-\declaremodule{standard}{dumbdbm}
-\modulesynopsis{Portable implementation of the simple DBM interface.}
-
-
-A simple and slow database implemented entirely in Python.  This
-should only be used when no other DBM-style database is available.
-
-
-\begin{funcdesc}{open}{filename\optional{, flag\optional{, mode}}}
-Open the database file \var{filename} and return a corresponding
-object.  The \var{flag} argument, used to control how the database is
-opened in the other DBM implementations, is ignored in
-\module{dumbdbm}; the database is always opened for update, and will
-be created if it does not exist.
-
-The optional \var{mode} argument is the \UNIX{} mode of the file, used
-only when the database has to be created.  It defaults to octal
-\code{0666} (and will be modified by the prevailing umask).
-\versionchanged[The \var{mode} argument was ignored in earlier
-                versions]{2.2}
-\end{funcdesc}
-
-\begin{excdesc}{error}
-Raised for errors not reported as \exception{KeyError} errors.
-\end{excdesc}
-
-
-\begin{seealso}
-  \seemodule{anydbm}{Generic interface to \code{dbm}-style databases.}
-  \seemodule{whichdb}{Utility module used to determine the type of an
-                      existing database.}
-\end{seealso}

Doc/lib/libdumbdbm.tex

 \section{\module{dumbdbm} ---
-         Simple ``database'' interface written in Python}
+         Portable DBM implementation}
 
-\declaremodule{builtin}{dumbdbm}
-\modulesynopsis{A dbm-style module available on all platforms.}
+\declaremodule{standard}{dumbdbm}
+\modulesynopsis{Portable implementation of the simple DBM interface.}
 
 \index{databases}
 
-\note{The \module{dumbdbm} module is intended as a last resort fallback for
-the \module{anydbm} module when no other more robust module is available.
+\begin{notice}
+The \module{dumbdbm} module is intended as a last resort fallback for
+the \refmodule{anydbm} module when no more robust module is available.
 The \module{dumbdbm} module is not written for speed and is not nearly as
-heavily used as the other database modules.}
+heavily used as the other database modules.
+\end{notice}
 
-The \module{dumbdbm} module provides a persisten dictionary-like interface
+The \module{dumbdbm} module provides a persistent dictionary-like interface
 which is written entirely in Python.  Unlike other modules such as
-{}\module{gdbm} and \module{bsddb}, no external library is required.  As
+\refmodule{gdbm} and \refmodule{bsddb}, no external library is required.  As
 with other persistent mappings, the keys and values must always be strings.
 
 The module defines the following:
@@ -24,28 +26,21 @@ is raised for general mapping errors like specifying an incorrect key.
 \end{excdesc}
 
 \begin{funcdesc}{open}{filename\optional{, flag\optional{, mode}}}
-
 Open a dumbdbm database and return a dumbdbm object.  The \var{filename}
 argument is the basename of the database file (without any specific
-extensions).  When a dumbdbm database is created, files with \code{.dat} and
-\code{.dir} extensions are created.
+extensions).  When a dumbdbm database is created, files with \file{.dat} and
+\file{.dir} extensions are created.
 
-The optional \var{flag} argument is currently ignored.
+The optional \var{flag} argument is currently ignored; the database is
+always opened for update, and will be created if it does not exist.
 
 The optional \var{mode} argument is the \UNIX{} mode of the file, used
 only when the database has to be created.  It defaults to octal
-\code{0666}.
+\code{0666} (and will be modified by the prevailing umask).
+\versionchanged[The \var{mode} argument was ignored in earlier
+                versions]{2.2}
 \end{funcdesc}
 
-\subsection{Dumbdbm Objects \label{dumbdbm-objects}}
-
-In addition to the methods provided by the \class{UserDict.DictMixin} class,
-\class{dumbdbm} objects provide the following methods.
-
-\begin{methoddesc}{sync}{}
-Synchronize the on-disk directory and data files.  This method is called by
-the \method{sync} method of \class{Shelve} objects.
-\end{methoddesc}
 
 \begin{seealso}
   \seemodule{anydbm}{Generic interface to \code{dbm}-style databases.}
@@ -55,3 +50,14 @@ the \method{sync} method of \class{Shelve} objects.
   \seemodule{whichdb}{Utility module used to determine the type of an
                       existing database.}
 \end{seealso}
+
+
+\subsection{Dumbdbm Objects \label{dumbdbm-objects}}
+
+In addition to the methods provided by the \class{UserDict.DictMixin} class,
+\class{dumbdbm} objects provide the following methods.
+
+\begin{methoddesc}{sync}{}
+Synchronize the on-disk directory and data files.  This method is called by
+the \method{sync} method of \class{Shelve} objects.
+\end{methoddesc}