https://manpages.ubuntu.com/manpages/xenial/man3/Perlbal::Manual.3pm.html
Ubuntu Manpage: Perlbal::Manual - Guide and reference manual for Perlbal
Guide and reference manual for Perlbal
manual guideubuntumanpageperlbalreference
https://www.unix.com/man-page/debian/3pm/perlbal::manual::configuration/
perlbal::manual::configuration(3pm) debian man page | unix.com
Man page for perlbal::manual::configuration(3pm) on debian, from the unix.com online archive.
manual configurationperlbaldebianunix