Add a post-humous manpage for cd9660(5), the ISO-9660 file system

Describe (briefly) how to compile the filesystem into the kernel and
load as a module.

Reference cd9660(5) in mount(8) and mount_cd9660(8).

MFC after:	1 month
Sponsored by:	Dell EMC Isilon

sbin/mount/mount.8

@@ -28,7 +28,7 @@
 .\"     @(#)mount.8	8.8 (Berkeley) 6/16/94
 .\" $FreeBSD$
 .\"
-.Dd October 13, 2015
+.Dd March 22, 2017
 .Dt MOUNT 8
 .Os
 .Sh NAME
@@ -543,6 +543,7 @@ support for a particular file system might be provided either on a static
 .Xr nmount 2 ,
 .Xr acl 3 ,
 .Xr mac 4 ,
+.Xr cd9660 5 ,
 .Xr devfs 5 ,
 .Xr ext2fs 5 ,
 .Xr fstab 5 ,

sbin/mount_cd9660/mount_cd9660.8

@@ -32,7 +32,7 @@
 .\"     @(#)mount_cd9660.8	8.3 (Berkeley) 3/27/94
 .\" $FreeBSD$
 .\"
-.Dd March 5, 2013
+.Dd March 22, 2017
 .Dt MOUNT_CD9660 8
 .Os
 .Sh NAME
@@ -138,6 +138,7 @@ The following command can be used to mount a Kodak Photo-CD:
 .Xr cdcontrol 1 ,
 .Xr mount 2 ,
 .Xr unmount 2 ,
+.Xr cd9660 5 ,
 .Xr fstab 5 ,
 .Xr mount 8
 .Sh HISTORY

share/man/man5/Makefile

@@ -10,6 +10,7 @@ MAN=	acct.5 \
 	ar.5 \
 	a.out.5 \
 	${_boot.config.5} \
+	cd9660.5 \
 	core.5 \
 	devfs.5 \
 	devfs.conf.5 \

share/man/man5/cd9660.5

@@ -0,0 +1,82 @@
+.\"
+.\" Copyright (c) 2017 Ngie Cooper
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. The name of the author may not be used to endorse or promote products
+.\"    derived from this software without specific prior written permission
+.\"
+.\" THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd March 22, 2017
+.Dt CD9660 5
+.Os
+.Sh NAME
+.Nm cd9660
+.Nd "ISO-9660 file system"
+.Sh SYNOPSIS
+To link into the kernel:
+.Bd -ragged -offset indent
+.Cd "options CD9660"
+.Ed
+.Pp
+Alternatively, to load the driver as a
+module at boot time, place the following line in
+.Xr loader.conf 5 :
+.Bd -literal -offset indent
+cd9660_load="YES"
+.Sh DESCRIPTION
+The
+.Nm
+driver will permit the
+.Fx
+kernel to access the
+.Tn cd9660
+file system.
+.Sh EXAMPLES
+To mount a
+.Nm
+volume located on
+.Pa /dev/cd0 :
+.Pp
+.Dl "mount -t cd9660 /dev/cd0 /mnt"
+.Sh SEE ALSO
+.Xr nmount 2 ,
+.Xr unmount 2 ,
+.Xr fstab 5 ,
+.Xr mount 8 ,
+.Xr mount_cd9660 8
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Fx 4.4 Lite
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+kernel implementation was originally written by
+.An Pace Willisson Aq Mt pace@blitz.com
+and
+.An Atsushi Murai Aq Mt amurai@spec.co.jp .
+.Pp
+This manual page was written by
+.An Ngie Cooper Aq Mt ngie@FreeBSD.org .