%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  1. Auflage
%% 
%%  Beispiel 15-02-38 auf Seite 753.
%% 
%%  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.
%% 
%% 
%% ==== 
verbatimtex
%% 
\documentclass[]{article}
\usepackage[T1]{fontenc}
\begin{document}
etex
% --- start of displayed preamble in the book ---
input graph;
% --- end of displayed preamble in the book ---
beginfig(1)
draw
  begingraph(8cm,5.5cm);
    gdraw "data/mp/data0-mp.dat"
      withpen pencircle scaled 2bp
      withcolor blue;
  endgraph;
endfig;
end;
\end{document}