lib: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

Remove $FreeBSD$: one-line nroff pattern

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

Various mdoc fixes and a few EOL whitespace removals.

Found with: mandoc -Tlint

Emphasis on 'do not' and 'complement' in the strcspn(3)
Replace literal parentheses with .Po/.Pc

Approved by: wblock (mentor)

Merge strcspn.3 into strspn.3 and clarify the explaination of what they do
Detach strcspn.3 from the build
Add strcspn.3 to MLINKS do it will be symlinked to strspn.3

Approved by: eadler (mentor), bcr (mentor)

Renumber clauses to reduce diffs to other versions

NetBSD, OpenBSD, and Android's Bionic number the clauses 1 through 3,
so follow suit to make comparison easier.

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.

Add wide character variants of string manipulations routines to 'SEE ALSO'.

Approved by: rwatson (mentor)

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

Per Regents of the University of Calfornia letter, remove advertising
clause.

# If I've done so improperly on a file, please let me know.

Added a sentence to explain what "span" means.

PR: docs/84850
Submitted by: garys
MFC after: 3 days
Approved by: keramida

mdoc(7) police: Use the new .In macro for #include statements.

.St -ansiC -> .St -isoC

Drop the references to index(3) and rindex(3), which are non-standard
and people shouldn't be encouraged to use them.

Asked by: sheldonh

Introduce ".Lb" macro to libc manpages.

More libraries manpages updates following.

$Id$ -> $FreeBSD$

Add $Id$, to make it simpler for members of the translation teams to
track.

The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;

.\" $Id$
.\"

If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.

Approved by: bde

Correct the strspn() man page so that it no longer references
itself as strcspn().

Obtained from: NetBSD-bugs mailing list (PR# 1905)

BSD 4.4 Lite Lib Sources