MFC r306725:
Add history section for clri(8)
http://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/man/man8/clri.8

PR: 212438
Approved by: bcr (mentor)
Differential Revision: https://reviews.freebsd.org/D8104

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 merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Remove advertising clause from University of California Regent's license,
per letter dated July 22, 1999.

Approved by: core, imp

Typo in verb: zeros -> zeroes.

s/filesystem/file system/g as discussed on -developers

The .Nm utility

more file system > filesystem

mdoc(7) police: removed HISTORY info from the .Os call.

mdoc(7) police: use the new features of the Nm macro.

$Id$ -> $FreeBSD$

Correct .Nm. Spelling. Add rcsid, remove unused #includes. Add usage(). Do not
dot-terminate errx() strings.

Revert $FreeBSD$ to $Id$

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

Sort cross references.

removed xref to icheck(8), ncheck(8) as they don't exist

This commit was generated by cvs2svn to compensate for changes in r1558,
which included commits to RCS files with non-trunk default branches.

BSD 4.4 Lite sbin Sources

Note: XNSrouted and routed NOT imported here, they shall be imported with
usr.sbin.