%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  1. Auflage
%% 
%%  Beispiel 15-02-63 auf Seite 770.
%% 
%%  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}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}
\def\XeTeX{X\raisebox{-0.5ex}{E}\kern-0.125em\TeX}
%\DeclareRobustCommand\XeTeX{X\kern-0.5em\raisebox{-0.5ex}{\reflectbox{E}}\kern0.27em\TeX}
\begin{document}
etex
% --- start of displayed preamble in the book ---
input metaobj;
% --- end of displayed preamble in the book ---
beginfig(1)
newBox.pdftex(btex \strut pdf\TeX etex);
newBox.luatex(btex \strut lua\TeX etex);
newBox.pdfpdf(btex \strut pdf etex);
newBox.pdfdvi(btex \strut dvi etex);
newBox.luapdf(btex \strut pdf etex);
newBox.luadvi(btex \strut dvi etex);
newBox.xetex(btex \strut\XeTeX etex);
newBox.xetexpdf(btex \strut pdf etex);
newTree.LUA(luatex)(luapdf,luadvi) "treemode(R)", "Ralign(right)";
newTree.PDF(pdftex)(pdfpdf,pdfdvi) "treemode(L)", "Ralign(left)";
newTree.XETEX(xetex)(xetexpdf) "treemode(D)";
newBox.quelle(btex \strut\TeX-Datei etex);
newTree.TEX(quelle)(PDF,XETEX,LUA);
TEX.c=origin; drawObj(TEX);
endfig;
end;
\end{document}