- add version annotation for HIGHEST_PROTOCOL
- cleaned up some markup
diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex
index 95ec3ea..ef8cb23 100644
--- a/Doc/lib/libpickle.tex
+++ b/Doc/lib/libpickle.tex
@@ -164,6 +164,7 @@
\begin{datadesc}{HIGHEST_PROTOCOL}
The highest protocol version available. This value can be passed
as a \var{protocol} value.
+\versionadded{2.3}
\end{datadesc}
The \module{pickle} module provides the
@@ -255,12 +256,11 @@
The \module{pickle} module also exports two callables\footnote{In the
\module{pickle} module these callables are classes, which you could
-subclass to customize the behavior. However, in the \module{cPickle}
-modules these callables are factory functions and so cannot be
-subclassed. One of the common reasons to subclass is to control what
+subclass to customize the behavior. However, in the \refmodule{cPickle}
+module these callables are factory functions and so cannot be
+subclassed. One common reason to subclass is to control what
objects can actually be unpickled. See section~\ref{pickle-sub} for
-more details.}, \class{Pickler} and
-\class{Unpickler}:
+more details.}, \class{Pickler} and \class{Unpickler}:
\begin{classdesc}{Pickler}{file\optional{, protocol\optional{, bin}}}
This takes a file-like object to which it will write a pickle data