Note: help and version output are generated by a naïve script which tries a few variants of
<command> --help, <command> -h etc. to find the command's help and version info.
Sometimes it gets lucky, sometimes it doesn't; if the output below looks wrong, it probably is.
grolj4 --version (return code: 0)
GNU grolj4 (groff) version 1.22.3
grolj4 --help (return code: 0)
usage: grolj4 [-lv] [-d [n]] [-c n] [-p paper_size]
[-w n] [-F dir] [files ...]