Document Py_RETURN_NONE.

diff --git a/Doc/api/concrete.tex b/Doc/api/concrete.tex
index b00b9151ad8ccb81c6e4bb2a537993048dfe0b6c..7ad6e91617f3f374ba092430433c8a1f3c3c24c7 100644 (file)
--- a/Doc/api/concrete.tex
+++ b/Doc/api/concrete.tex
@@ -97,6 +97,10 @@ There is no \cfunction{PyNone_Check()} function for the same reason.
   with respect to reference counts.
 \end{cvardesc}
 
+\begin{csimplemacrodesc}{Py_RETURN_NONE}
+  Properly handles returning \cvar{Py_None} from within a C function.
+\end{csimplemacrodesc}
+
 
 \section{Numeric Objects \label{numericObjects}}