Man pages matching name pmpathseparator in section 3:

pmPathSeparator.3.en	debian 10 / libpcp3-dev
pmpathseparator.3.en	debian 10 / libpcp3-dev
pmPathSeparator.3.en	debian 11 / libpcp3-dev
pmPathSeparator.3.en	debian 12 / libpcp3-dev