Fix

doc/presentation.tex

@@ -236,6 +236,13 @@ Motivation and examples
 \end{verbatim}
 \end{frame}
 
+\begin{frame}[fragile]
+\footnotesize
+\begin{verbatim}
+ (<wrap> <comb wraplevel=0 (n) (* n 2)>)
+\end{verbatim}
+\end{frame}
+
 \begin{frame}[fragile]
 \footnotesize
 \begin{verbatim}