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%%  Ein Beispiel der DANTE-Edition
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%%  1. Auflage
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%%  Beispiel 15-03-32 auf Seite 785.
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%%  Copyright (C) 2011 Herbert Voss
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%%  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.
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{142.324pt}
\setlength\parindent{0pt}
\usepackage[utf8]{inputenc}
\StartShownPreambleCommands
\usepackage{pst-qtree}
\StopShownPreambleCommands
\begin{document}
\Tree
  [.S [.NP [.D the ] [.N cat ]
  ] [.VP [.V sat ] [.PP [.P on ]
    [.NP [.D the ] [.N mat ] ] ] ] ]
\end{document}
