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olligobber/test.tex

Created July 6, 2021 11:12
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Latex is a lazy functional language
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test.tex
\documentclass[a4paper]{article}
\def \error{\def\error1{}\error2}
\def \S#1#2#3{#1#3{#2#3}}
\def \K#1#2{#1}
\def \i#1{#1\S\K}
\begin{document}
\i{\i{\i\i}}1\error % Does not error
\i{\i{\i\i}}\error1 % Errors
\end{document}
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