Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

use .Mt to mark up email addresses consistently (part6)

PR: 191174
Submitted by: Franco Fichtner <franco at lastsummer.de>

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

- Import the HEAD csup code which is the basis for the cvsmode work.

Use 'manual page' instead of 'man page' for consistency.

Approved by: re (hrs)

Update function definitions and required include files to reflect
the current state of the system.

Approved by: alfred

mdoc(7) police: -xwidth has been fold into -width.

Merge Chad's fixes.

mdoc(7) police: fixed markup.

I have gone through all of the functions and added
the correct includes and changed the functions as
requested.

Submitted by: Chad David <davidc@acns.ab.ca>

Document some of the kernel API dealing with locks used primarily by VFS.

Submitted by: Chad David <davidc@acns.ab.ca>