I too get an error trying to run John’s code and my own (I found this after that wouldn’t work) on macOS. My error code is 1 rather than 11.
system > ConTeXt ver: 2022.01.15 17:32 LMTX fmt: 2022.1.17 int: English/english mtx-context | fatal error: return code: 1 Ben ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________