/usr/share/man/man9/TASK_INITIALIZER.9freebsd.gz is in freebsd-manpages 10.1~RC1-1.
This file is owned by root:root, with mode 0o644.
It is a symlink to /usr/share/man/man9/./usr/share/man/man9/TASKQUEUE_FAST_DEFINE_THREAD.9freebsd.gz