[texhax] plain TeX: separate items by comma in \write environment

Rodolfo Medina rodolfo.medina at gmail.com
Fri Apr 27 22:24:32 CEST 2018

Rodolfo Medina <rodolfo.medina at gmail.com> writes:

> Fine, thanks...  but how can I translate it into simple plain TeX,
> i.e. processing the file with `tex test' rather than xetex...?

...in particular, that \ifcsname which is undefined in plain TeX...


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