%% 
%%  A DANTE-Edition example
%% 
%%  Example 17-00-1 on page 265.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-tree}

\begin{document}
\psset{showbbox=true}%
pstree\rule{1em}{0.5pt}%
\pstree[radius=3pt]{\Toval{root}}{\TC\TC\TC}%
\rule{1em}{0.5pt}pstree
\end{document}
