\dhead{gf}{effective-method-class @<method> @> @<class>}}
\end{describe*}
-\begin{describe}{gf}{message-effective-method-class @<message> @> @<class>}
+\begin{describe}{gf}
+ {sod-message-effective-method-class @<message> @> @<class>}
\end{describe}
\begin{describe}{gf}{primary-method-class @<message> @> @<class>}