Commit Briefs
man: various cleanup
Change-Id: I9130e7d10ae42e894923097a7c97da802eb0d8c3 Reviewed-on: https://plan9port-review.googlesource.com/2962 Reviewed-by: Russ Cox <rsc@swtch.com>
Add mkfile to keep indices up to date.
Remove man pages for things we don't provide.