Eliminate the deprecated option to return None instead of a tuple of arguments in __reduce__().
diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex
index 067f468..4013432 100644
--- a/Doc/lib/libpickle.tex
+++ b/Doc/lib/libpickle.tex
@@ -515,12 +515,8 @@
unpickling environment. Note that as usual, the callable itself is
pickled by name.
-\item A tuple of arguments for the callable object, or \code{None}.
-\deprecated{2.3}{If this item is \code{None}, then instead of calling
-the callable directly, its \method{__basicnew__()} method is called
-without arguments; this method should also return the unpickled
-object. Providing \code{None} is deprecated, however; return a
-tuple of arguments instead.}
+\item A tuple of arguments for the callable object.
+\versionchanged[Formerly, this argument could also be \code{None}]{2.5}
\item Optionally, the object's state, which will be passed to
the object's \method{__setstate__()} method as described in