%\documentclass[]{book}
\documentclass[]{article}

\usepackage{alltt}
\usepackage{cc_manual}
\usepackage{makeidx}
\usepackage{latex_converter}
\usepackage{amssymb}
\usepackage{pslatex}
\usepackage{epsf}
\usepackage{ipe}
\usepackage{nonlinkedpath}
\textwidth 15.6cm 
\textheight 23cm
\topmargin -14mm       
\evensidemargin 3mm 
\oddsidemargin 3mm
\headsep 1cm
\parindent 0em
\setlength{\parskip}{1ex minus 0.9ex}

\newcommand{\cgalrelease}{2.5}

\makeindex

\begin{document}

\include{title}
\include{preface}

\tableofcontents

\newpage
\mbox{}
\newpage

\pagenumbering{arabic}

\input{installation}

\printindex

%\bibliographystyle{alpha}
%\bibliography{../cgal-manual}

\end{document}