Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

Don't deny non-temporary redirects if the -A option is set (per
the man page) [0]

While here add support for draft-reschke-http-status-308-07

PR: 172451 [0]
Submitted by: gcooper [0]
Reviewed by: des
Approved by: cperciva
MFC after: 1 week

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.

Add some error codes that were added in RFC2616.

Add error codes for protocol errors.

$Id$ -> $FreeBSD$

Second of a series of cleanups to libfetch.

This commit introduces the following features:

a) the fetchStat*() functions, which return meta-information for a
document, such as size, modification time, etc.

b) the use of the com_err(3) facilities to report errors.

It also fixes a bunch of style bugs and a few logic bugs and somewhat
improves the man page.

Changed files, in alphabetical order:

Makefile:
Don't generate macros in {ftp,http}err.c.

Generate category fields for the error message lists.

Compile the error table.

Install fetch_err.h along with fetch.h.

common.c:
Remove the _netdb_errstring() macro, and add FETCH_ERR_NETDB to the
error code in the _netdb_seterr() macro.

Add categories to the _netdb_errlist table.

Report errors through the Common Error library.

common.h:
Add the DEBUG macros.

Add prototype for fetchConnect().

Remove the prototype for _fetch_errstring(), which is local to common.c

Add a categroy field to struct fetcherr, and define constants for
error categories.

Define macros for _{url,netdb,ftp,http}_seterr().

errors.et: (new file)
List error categories.

fetch.3:
Document the fetchStat*() functions.

Move the "unimplemented functionality" comments from NOTES to BUGS.

Document that applications which use libfetch must also use
libcom_err, and list existing error codes.

Undocument fetchLastErr{Code,String}.

Remove the (empty) DIAGNOSTICS section.

Mention Eugene Skepner in the AUTHORS section.

fetch.c:
Move the DEBUG macros to common.c

Add fetchStat() and fetchStatURL().

Generate error messages for URL parser errors, and fix a minor bug
in the parser.

Use 'struct url' instead of 'url_t'.

Remove fetchLastErr{Code,String}.

fetch.h:
Use 'struct url' instead of 'url_t', and remove the typedef.

Define struct url_stat (used by fetchStat()).

Add prototypes for fetchStat*().

Remove the declarations for fetchLastErr{Code,String}.

Include fetch_err.h.

fetch_err.et: (new file)
Error table for libfetch.

file.c:
Add fetchStatFile().

Use 'struct url' instead of 'url_t'.

ftp.c:
Add fetchStatFTP().

Use 'struct url' instead of 'url_t'.

Don't use fetchLastErrCode.

ftp.errors:
Add categories to all error messages.

http.c:
Add fetchStatHTTP().

Use 'struct url' instead of 'url_t'.

Don't use fetchLastErr{Code,Text}.

http.errors:
Add categories to all error messages.

Prompted by: jkh and Eugene Skepner
Numerous sugestions from: Garett Wollman and Eugene Skepner

Imported libfetch into the tree. It compiles, but there's still some
work to do. I especially need help with the man page.