\documentclass[a4paper]{book}
\usepackage{Rdoc}

\begin{document}\pagenumbering{roman}
\paragraph*{Note:}
This is material from a preliminary draft of the \textsf{R} manual and is 
\begin{center}
  Copyright 1994, 1995, 1996, 1997  \\ by Robert Gentleman and Ross Ihaka.
\end{center}

{ \ } %- for the clearpage .. if there's nothing else on the page ..
\clearpage %-- mainly for ``2 pages on 1'' printing
\pagenumbering{arabic}

\chapter[Function Documentation]{Detailed Function Documentation}

\input{doc}

\end{document}
