Remove $FreeBSD$: two-line nroff pattern

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

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.

Document the recent fsync(1) changes.

Requested by: delphij
Reviewed by: simon, ru
Approved by: grehan (mentor)

MFS: in HISTORY section, fix release number of first appearance

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

Avoid the need to capitalize an extraneous argument to the Nm macro
and be more precise about the handling of command-line arguments.

Reviewed by: ps

Typos and spelling fixes.

Submitted by: charnier

Oops. fsync(8) should have been fsync(1). (repo-copied by peter)
Change reference from update(4) to syncer(4).

Add fsync(8). This becomes useful with the advent of MAP_NOSYNC etc.

Reviewed by: peter