Add RCS Id. Add Xr in some places. Whitespace fixes, drop a .Pp.

Sort sections. Fix some typos. Sort option descriptions. Mark up paths with
.Pa. Use standard headers.

usr.sbin/ifwatchd/ifwatchd.8

@@ -1,3 +1,5 @@
+.\" $NetBSD: ifwatchd.8,v 1.2 2001/11/19 10:10:45 wiz Exp $
+.\"
 .\" Copyright (C) 2001 by Martin Husemann
 .\" All rights reserved.
 .\"
@@ -27,7 +29,7 @@
 .Dt IFWATCHD 8
 .Sh NAME
 .Nm ifwatchd
-.Nd watch for adresses added to or deleted from interfaces and call up/down scripts for them
+.Nd watch for addresses added to or deleted from interfaces and call up/down scripts for them
 .Sh SYNOPSIS
 .Nm
 .Op Fl h
@@ -35,13 +37,16 @@
 .Op Fl d Ar down-script
 .Op Fl u Ar up-script
 .Ar ifname(s)
-.Pp
 .Sh DESCRIPTION
 .Nm Ifwatchd
 is used to monitor dynamic interfaces (for example PPP interfaces) for address
-changes. Sometimes this interfaces are acompanied by a daemon program, which
-can take care of running any necesary scripts (like pppd or isdnd), but 
-sometimes the interfaces run completely autonomus (like pppoe).
+changes.  Sometimes these interfaces are accompanied by a daemon program, which
+can take care of running any necessary scripts (like
+.Xr pppd 8
+or
+.Xr isdnd 8 ) ,
+but sometimes the interfaces run completely autonomously (like
+.Xr pppoe 8 ) .
 .Pp
 .Nm Ifwatchd
 provides a generic way to watch this type of changes.  It works by monitoring
@@ -58,20 +63,20 @@ is run.
 .Pp
 The following options are available:
 .Bl -tag -width indent
-.It Fl h
-Show the synopsis.
-.It Fl v
-Output verbose progress messages and flag errors ignored during normal
-operation.
-.It Fl u Ar up-script
-Specify the command to invoke on
-.Dq interface up
-events (or: addition of an address to an interface).
 .It Fl d Ar down-script
 Specify the command to invoke on
 .Dq interface down
 events (or: deletion of an address from an interface).
-.It ifname(s)
+.It Fl h
+Show the synopsis.
+.It Fl u Ar up-script
+Specify the command to invoke on
+.Dq interface up
+events (or: addition of an address to an interface).
+.It Fl v
+Output verbose progress messages and flag errors ignored during normal
+operation.
+.It Ar ifname(s)
 The name of the interface to watch.  Multiple interfaces may be specified.
 Events for other interfaces are ignored.
 .El
@@ -82,19 +87,24 @@ from
 .Pa /etc/ifconfig.*
 files via the
 .Em !
-shell command syntax, but only if your /usr partition is already mounted
-(i.e. you either do not have a separate /usr partition or you have its
-mount point included in the critical_filesystems_beforenet /etc/rc.conf
+shell command syntax, but only if your
+.Pa /usr
+partition is already mounted
+(i.e. you either do not have a separate
+.Pa /usr
+partition or you have its
+mount point included in the critical_filesystems_beforenet
+.Pa /etc/rc.conf
 variable.)
-.Bd -literal
+.Bd -literal -offset indent
 # ifwatchd -u /etc/ppp/ip-up -d /etc/ppp/ip-down pppoe0
 .Ed
 .Sh PARAMETERS PASSED TO SCRIPTS
 The invoked scripts get three parameters passed:
-.Bl -tag -width indent
+.Bl -tag -width address
 .It Ar ifname
 The name of the interface this change is for (this allows to share the same
-script for multiple interfaces wathed and dispatching on the interface name
+script for multiple interfaces watched and dispatching on the interface name
 in the script).
 .It Ar up/down
 Verbatim
@@ -103,7 +113,7 @@ or
 .Em down ,
 which allows for the sharing of up and down scripts.
 .It Ar address
-the new address if this is an up event, or the no long valid old address
+The new address if this is an up event, or the no longer valid old address
 if this is a down event.
 .Pp
 The format of the address depends on the address family, for IPv4 it is the
@@ -120,7 +130,6 @@ The
 .Nm
 utility appeared in
 .Nx 1.6 .
-.Sh AUTHOR
+.Sh AUTHORS
 The program was written by
-.ie t Martin Husemann.
-.el Martin Husemann.
+.An Martin Husemann Aq martin@netbsd.org .