Provide version changed info

diff --git a/Doc/lib/libcmd.tex b/Doc/lib/libcmd.tex
index 4b2af91dff32dc78a178934a1b966ac932193c94..4b7a23d5bac202a0c28ef92ab5e52a9e8b41a610 100644 (file)
--- a/Doc/lib/libcmd.tex
+++ b/Doc/lib/libcmd.tex
@@ -28,6 +28,7 @@ input and output file objects that the Cmd instance or subclass
 instance will use for input and output. If not specified, they
 will default to \var{sys.stdin} and \var{sys.stdout}.
 
+\versionchanged[The \var{stdin} and \var{stdout} parameters were added.]{2.3}
 \end{classdesc}
 
 \subsection{Cmd Objects}