Apply fixes from NetBSD to bring this manual page into reallity.
Apply fixes from NetBSD to bring this manual page into reallity.

Inspired by: ru & 4.4BSD Design and Implementation
Obtained from: NetBSD

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase