%% 
%%  A DANTE-Edition example
%% 
%%  Example 12-01-5 on page 142.
%% 
%%  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{153.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-node}\SpecialCoor

\begin{document}
\begin{pspicture}(0,1)(3,3)
\rput[lb](0,2.5){\rnode{A}{PSTricks} is \rnode{B}{PS}}
\psline[linecolor=red](0,1)(3,1)\psset{linecolor=blue}
\psline{->}(A)(A|0,1)\psline{->}(B)(B|0,1)
\end{pspicture}
\end{document}