I'm am the PyPy sprint waiting for a Grand Renaming so I killed a few

seconds making the doc for get_completer marginally less minimal :)

Doc/lib/libreadline.tex

@@ -81,8 +81,8 @@ possible completion starting with \var{text}.
 \end{funcdesc}
 
 \begin{funcdesc}{get_completer}{}
-Get the completer function.
-\versionadded{2.3}
+Get the completer function, or \code{None} if no completer function
+has been set.  \versionadded{2.3}
 \end{funcdesc}
 
 \begin{funcdesc}{get_begidx}{}