bachotex2009-hans-taco-pearl2.tex
bachotex2009-hans-taco-pearl2.tex
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TeX document,
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%%% Null control sequence % When you do: \endlinechar=-1 \let\x\ % the macro \x is undefined\dots % Actually \x becomes equal to the 'null control sequence' that % you would get from \expandafter\def\csname\endcsname{} % but that is usually undefined. % And you can even use this effect to assign to the null control % sequence without needing \expandafter: \endlinechar=-1 \gdef\ {\message{NULL CS}} \csname\endcsname \end
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