%%
%%  Ein Beispiel der DANTE-Edition
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%%  1. Auflage
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%%
%%  Copyright (C) 2013 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
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\documentclass[]{examinimal}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\begin{document}
\directlua{local a=3; local b=node.new(37)
 tex.print(tostring(node.is_node(a))..", "..tostring(node.is_node(b)))}
\end{document}