[texhax] Detection of start of source line

Philip Taylor P.Taylor at Rhul.Ac.Uk
Wed Oct 5 18:59:08 CEST 2016

This may help -- at least it generates no run-time errors :

\def \treatasteriskspecially

{ % space needed here

\ifx *\nexttoken

\let \nexttoken = \item


\def \nexttoken {\char `\*}




\catcode `\^^M = \active \def ^^M{\futurelet \nexttoken \treatasteriskspecially}

abcd * efgh

* ihjk * lmno


Philip Taylor
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