Although sshd(8) already documents the authorized_keys file format, it would be nice for 'man authorized_keys' to work. It seems sufficient to make it a symlink to sshd(8).
Created attachment 1795 [details] patch
I was thinking about making known_hosts(5) and authorized_keys(5) pages and pulling them out of sshd(8), which is long enough already. I'll make a strawman diff.