Several small changes, mostly to the markup, to improve consistency and
internal hyperlinking.  Move some things around, also for consistency
with other modules ("See also" stuff tends to live at the \section level,
before sub-sections, etc.).
diff --git a/Doc/lib/libatexit.tex b/Doc/lib/libatexit.tex
index d06024b..a30c175 100644
--- a/Doc/lib/libatexit.tex
+++ b/Doc/lib/libatexit.tex
@@ -1,5 +1,5 @@
 \section{\module{atexit} ---
-         exit handlers}
+         Exit handlers}
 
 \declaremodule{standard}{atexit}
 \moduleauthor{Skip Montanaro}{skip@mojam.com}
@@ -14,7 +14,7 @@
 
 Note: the functions registered via this module are not called when the program is killed by a
 signal, when a Python fatal internal error is detected, or when
-\code{os._exit()} is called.
+\function{os._exit()} is called.
 
 This is an alternate interface to the functionality provided by the
 \code{sys.exitfunc} variable.
@@ -67,7 +67,8 @@
 atexit.register(savecounter)
 \end{verbatim}
 
+
 \begin{seealso}
-  \seemodule{readline}{useful example of atexit to read and write readline
-  history files}
+  \seemodule{readline}{Useful example of atexit to read and write
+                       \refmodule{readline} history files.}
 \end{seealso}