c5ff263d82
Currently 'man -k iflib' would find you the right pages for iflib documentation, namely iflibdd(9) and iflibdi(9) but 'man iflib' would leave you in the dark. This allows both approaches to find the relevant documentation. Reviewed by: kmacy, shurd Sponsored by: iXsystems, Inc. Differential Revision: https://reviews.freebsd.org/D15219