\documentclass[a4paper]{book}
-\usepackage[latin9]{inputenc}
-\usepackage[bookmarks=true]{hyperref}
-\usepackage[T1]{fontenc}
-\usepackage{ae,aecompl,aeguill}
-\usepackage{fancyvrb}
-\setlength{\parindent}{0pt}
-\setlength{\parskip}\medskipamount
+
+\usepackage{openwrt}
\begin{document}
\tableofcontents