%%
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%%  Example 6-7-13 on page 425.
%%
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%%  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.
%%

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{231.83385pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{rrgtrees}
\StopShownPreambleCommands
\begin{document}
\TOP{
\OPR{4}{the}
\CLAUSE{
 \CORE[COREa]{
  \ARG{\WORD(NP){cat}}
  \NUC{walked}
  \AAJ{\FanEnd{PP}{to the mat}}}}
 \rPERIPH[a]{3}{PP}
            {\WORD{on the floor}}}
\dolinks
\end{document}