Add missing \versionadded.

 (backport from rev. 56006)

diff --git a/Doc/api/concrete.tex b/Doc/api/concrete.tex
index 8aa9b0f46117c83925533056d9e9de03af3e131d..ec3d84a15604d7f316cc35268e2de27f13cb5737 100644 (file)
--- a/Doc/api/concrete.tex
+++ b/Doc/api/concrete.tex
@@ -99,6 +99,7 @@ There is no \cfunction{PyNone_Check()} function for the same reason.
 
 \begin{csimplemacrodesc}{Py_RETURN_NONE}
   Properly handle returning \cdata{Py_None} from within a C function.
+  \versionadded{2.4}
 \end{csimplemacrodesc}