%%
%%  A DANTE-Edition example
%%
%%
%%  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{pstricks,pst-node}

\begin{document}
\begin{pspicture}(3,3)
 \cnode(0.5,0.5){0.5cm}{A}
 \cnode(2.9,2.9){0.1cm}{B}
 \ncline[linewidth=0.1pt]{<->}{A}{B}
 \ncput{\textbf{n}}
 \thput{\texttt{t}}
\end{pspicture}
\end{document}