[texhax] using a macro which changes catcodes inside another macro

Daniel H. Luecking luecking at uark.edu
Thu Nov 16 20:44:08 CET 2017

For an example as simple as this you might use

\newcommand{\Akkord}[2]{#1 and #2 and \chordname}
This means that \chordname gets to do what it needs before
the argument C^7 is tokenized. This pretty much requires
the argument of \chordname to be after all the other
arguments, and that might not always be feasible.

However, etex's \scantokens might be useful. I haven't
tested this, but
\newcommand{\Akkord}[3]{#1 and #2 and \expandafter\chordname\scantokens{#3}}
might work.


Daniel H. Luecking, Graduate Coordinator
Dept. of Mathematical Sciences
University of Arkansas
Fayetteville, AR, USA

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