Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.Prune svn:mergeinfo from the new branch, as nothing has been mergedhere.Additional commits post-branch will follow.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Markup nits, and fix sentences to start from a capital letter.
Fix typos.
Updates for revised ath and net80211 support; the new man pages areplaceholders for real material.