\dhead{gf}{ilayout-ichains @<ilayout> @> @<list>}}
\end{describe*}
+\begin{describe}{gf}{sod-class-ilayout <class> @> @<ilayout>}
+\end{describe}
+
\begin{describe}{gf}{compute-ilayout @<class> @> @<ilayout>}
\end{describe}
\begin{describe}{gf}{compute-vtable @<class> @<chain> @> @<vtable>}
\end{describe}
+\begin{describe}{gf}{sod-class-vtables @<class> @> @<list>}
+\end{describe}
+
\begin{describe}{gf}{compute-vtables @<class> @> @<list>}
\end{describe}
{compute-sod-effective-method @<message> @<class> @> @<method>}
\end{describe}
+\begin{describe}{gf}{sod-class-effective-methods @<class> @> @<list>}
+\end{describe}
+
\begin{describe}{gf}{compute-effective-methods @<class> @> @<list>}
\end{describe}