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%%
%% This is file `EANControlDigit.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% GS1.dtx (with options: `test,EANControlDigit')
%%
%% EXPERIMENTAL CODE
%%
%% This Work depends on the correct version of expl3 release. If
%% you'll update expl3 you may need a update of this this Work too.
%%
%% Do not distribute this file without also distributing the
%% source files specified above.
%%
%% Do not distribute modified version of this file.
%%
%% File: GS1.dtx Copyright (C) 2012-2017 Markus Kohm
%%
%% It may be distributed and/or modified under the conditions of the
%% LaTeX Project Public License (LPPL), either version 1.3c of this
%% license or (at your option) any later version. The latest version
%% of this license is in the file
%%
%% http://www.latex-project.org/lppl.txt
%%
%% This file is part of the "GS1 bundle" (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%%
%% The released version of this bundle is available from CTAN.
%%
%% -------------------------------------------------------------------------
\RequirePackage{expl3}[2017/05/29]
\GetIdInfo$Id: GS1.dtx 23 2021-06-17 07:00:36Z mjk $
{GS1 code handler and barcode generator}
\documentclass{article}
\usepackage{GS1}
\ExplSyntaxOn
\msg_new:nnn { GS1/test } { function }
{
Something~is~wrong~with~function~#1
\msg_line_context:~~of~\c_sys_jobname_str.tex.
}
\ExplSyntaxOff
\begin{document}
\begin{tabular}{ll}
\hline
Calculated & Known \\
\hline
501234567890-\EANControlDigit{501234567890} & 501234567890-0 \\
ISBN 978-3-86541-459-\EANControlDigit{ISBN 978-3-86541-459} & ISBN
978-3-86541-459-5 \\
EAN-8: 2012345\EANControlDigit{2012345} & EAN-8: 20123451 \\
\hline
\end{tabular}
\end{document}
%%
%%
%% End of file `EANControlDigit.tex'.
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