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.
update-vflibcap -v (return code: 0)
Regenerating /etc/vflib3/vflibcap... Regenerating /etc/vflib3/vflibcap-tex... done
update-vflibcap -HELP (return code: None)