When I man -f <some string> in addition to the expected Unix man pages, I get a bunch of odd looking entries that all have the header "User Contributed Perl Documentation". For example man ...
On Darwin (12.2.0, OS X 10.8.2, bash 3.2.48(1)) my MANPATH appears to be determined by my PATH rather than by the various configuration files associated with man and the man path, /etc/manpaths, ...
I'm puzzled by how the path used for finding man pages is set. The "right thing" seems to happen magically. For example, if change my PATH from ...