%%
%% Ein Beispiel der DANTE-Edition
%%
%% 1. Auflage
%%
%%
%% Copyright (C) 2014 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.
%%
%%
%% ====
\nopagenumbers
%StartShownPreambleCommands
%StopShownPreambleCommands
\relax
\def\A{3}\def\B{4}
\directlua{local A=\A; B=\B;
tex.print("$a^2+b^2$= ",(A^2+B^2))}\par
\csname\directlua{tex.print("TeX")}\endcsname
\bye
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