%% 
%%  A DANTE-Edition example
%% 
%%  Example 17-01-24 on page 276.
%% 
%%  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{201.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-tree}

\begin{document}
\psshadowbox[fillcolor={[rgb]{1,1,0.8}},
  fillstyle=solid,framearc=0.4]{%
  \psset{tpos=.6}%
  \pstree[xbbl=15pt,xbbr=20pt]{\Tc{3pt}}{%
       \TC*^{left}
       \TC*_{right}%
  }}
\end{document}
