\documentclass[11pt]{article} 
\usepackage[latin1]{inputenc} 
\usepackage[T1]{fontenc} 
\usepackage{textcomp}
\usepackage{fullpage} 
\usepackage{url} 
\usepackage{ocamldoc}
\begin{document}
\tableofcontents
\section{Module {\tt{Loop}}}
\label{Loop}\index{Loop@\verb`Loop`}


\ocamldocvspace{0.5cm}



\begin{ocamldoccode}
{\tt{module }}{\tt{A}}{\tt{ : }}\end{ocamldoccode}
\label{Loop.A}\index{A@\verb`A`}

{\tt{B}}





\begin{ocamldoccode}
{\tt{module }}{\tt{B}}{\tt{ : }}\end{ocamldoccode}
\label{Loop.B}\index{B@\verb`B`}

{\tt{A}}



\end{document}