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\lstset{basicstyle=\ttfamily,
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  keywordstyle=\color[HTML]{A020F0}\bfseries,
  language={[LaTeX]TeX}}
\begin{document}
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    {\lstinputlisting{\jobname}}};
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%%% Local Variables:
%%% mode: latex
%%% TeX-master: t
%%% TeX-engine: xetex
%%% End: