Commands that should be use in token.set_macro must already exist.
But while it is easy to predefine a command like \blub it seems not
to be possible to do it with commands consisting of a \ with a
non-letter.
E.g. I put this in a luatest.lua
token.set_macro("foo","\\bar\\blub\\!")
and then compile
\def\!{hallo}
\def\blub{hallo}
\directlua{require"luatest"}
\show\foo
\bye
I get:
> \foo=macro:
->\bar \blub BAD!.
l.254 \show\foo
so the \blub works, but not the \!.
How can one repair this?
--
Ulrike Fischer
https://www.troubleshooting-tex.de/
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