Port HBPLv1 #2
Description
https://github.com/mikerr/foo2zjs
This repository has foo2hbpl_v1 code, originally from https://web.archive.org/web/20190330092333/http://cybercom.net/~dcoffin/hbpl/
It's known to be a bit buggy, so needs a test and review before merging.
This is a note for me.