Remove $FreeBSD$: one-line nroff pattern

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

Don't claim c99 is a wrapper around gcc; it's a wrapper around the system cc.

PR: 201303
Submitted by: Bruce Cran
MFC after: 1 week

Revert most of r210764, now that mdocml does the right
thing with empty quotation macros.

Requested by: Alex Kozlov

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

mdoc: make sure to pass at least one argument to quotation macros

- Update GCC reference from 3.3 to 4.2 [1]
- Add reference to c99(7)

Submitted by: stefanf

mdoc: order prologue macros consistently by Dd/Dt/Os

Although groff_mdoc(7) gives another impression, this is the ordering
most widely used and also required by mdocml/mandoc.

Reviewed by: ru
Approved by: philip, ed (mentors)

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.

Bump the original revision of c89(1).

Sync program's usage() with manpage's SYNOPSIS.

Update URL of GCC status page to GCC 3.3

Approved by: simon(mentor)
Submitted by: Stefan Farfeleder <stefan@fafoe.narf.at>
PR: docs/63370

mdoc(7) police: overhaul.

Approved by: re

Add the c99(1) utility, which is nothing more than a synonym for
cc -std=iso9899:1999 -pedantic, and is required by SUSv3.

PR; 36087