\documentclass{book}
%\usepackage{german}
%\usepackage[margin=2.5cm]{geometry}
\usepackage{graphicx}

\newenvironment{comment}{\footnotesize \begin{quote}}{\end{quote}}

\newenvironment{code}
	       {\begin{quote}}
	       {\end{quote}}
\newcommand{\keyword}[1]{\texttt{#1}}
\newcommand{\function}[1]{\texttt{#1}}
\newcommand{\variable}[1]{\emph{#1}}
\newcommand{\constant}[1]{\texttt{#1}}
\newcommand{\errno}[1]{\texttt{#1}}


\title{Porting the GNU Hurd to the L4 Microkernel}
\author{Marcus Brinkmann}
\date{August 2003}

\begin{document}

\frontmatter
\maketitle
\tableofcontents

\mainmatter

\setlength{\parindent}{0pt}
\setlength{\parskip}{1ex plus 0.5ex minus 0.2ex}

\include{introduction}
\include{booting}
\include{ipc}
\include{threads-tasks}
\include{vmm}
\include{posix}
\include{debugging}
\include{device-drivers}

% \backmatter

\end{document}