Update ip address manual page

* update synopsis to match "ip address help" output
* specify IPv4, since "IP" is ambiguous
* remove deprecated site scope
* document lifetimes, home, and nodad
* update wording to make sense since page was split from the ip(8) page
* git rid of extra spaces

man/man8/ip-address.8

-.TH "IP\-ADDRESS" 8 "20 Dec 2011" "iproute2" "Linux"
+.TH "IP\-ADDRESS" 8 "04 March 2012" "iproute2" "Linux"
 .SH "NAME"
 ip-address \- protocol address management
 .SH "SYNOPSIS"
@@ -14,7 +14,12 @@ ip-address \- protocol address management
 .sp
 
 .ti -8
-.BR "ip address" " { " add " | " del " } "
+.BR "ip address" " { " add " | " change " | " replace " } "
+.IB IFADDR " dev " STRING
+.RI "[ " LIFETIME " ] [ " CONFFLAG-LIST " ]"
+
+.ti -8
+.BR "ip address del"
 .IB IFADDR " dev " STRING
 
 .ti -8
@@ -51,12 +56,30 @@ ip-address \- protocol address management
 .ti -8
 .IR FLAG " := "
 .RB "[ " permanent " | " dynamic " | " secondary " | " primary " | "\
-tentative " | " deprecated " | " dadfailed " | " temporary " ]"
+tentative " | " deprecated " | " dadfailed " | " temporary " | " CONFFLAG-LIST " ]"
+
+.ti -8
+.IR CONFFLAG-LIST " := [ "  CONFFLAG-LIST " ] " CONFFLAG
+
+.ti -8
+.IR CONFFLAG " := "
+.RB "[ " home " | " nodad " ]"
+
+.ti -8
+.IR LIFETIME " := [ "
+.BI valid_lft " LFT"
+.RB "| " preferred_lft
+.IR  LFT " ]"
+
+.ti -8
+.IR LFT " := [ "
+.BR forever " |"
+.IR SECONDS " ]"
 
 .SH "DESCRIPTION"
 The
 .B address
-is a protocol (IP or IPv6) address attached
+is a protocol (IPv4 or IPv6) address attached
 to a network device.  Each device must have at least one address
 to use the corresponding protocol.  It is possible to have several
 different addresses attached to one device.  These addresses are not
@@ -79,7 +102,7 @@ the name of the device to add the address to.
 .BI local " ADDRESS " (default)
 the address of the interface. The format of the address depends
 on the protocol. It is a dotted quad for IP and a sequence of
-hexadecimal halfwords separated by colons for IPv6.  The
+hexadecimal halfwords separated by colons for IPv6. The
 .I ADDRESS
 may be followed by a slash and a decimal number which encodes
 the network prefix length.
@@ -90,8 +113,8 @@ the address of the remote endpoint for pointopoint interfaces.
 Again, the
 .I ADDRESS
 may be followed by a slash and a decimal number, encoding the network
-prefix length.  If a peer address is specified, the local address
-cannot have a prefix length.  The network prefix is associated
+prefix length. If a peer address is specified, the local address
+cannot have a prefix length. The network prefix is associated
 with the peer rather than with the local address.
 
 .TP
@@ -102,7 +125,7 @@ It is possible to use the special symbols
 .B '+'
 and
 .B '-'
-instead of the broadcast address.  In this case, the broadcast address
+instead of the broadcast address. In this case, the broadcast address
 is derived by setting/resetting the host bits of the interface prefix.
 
 .TP
@@ -123,10 +146,6 @@ Predefined scope values are:
 .B global
 - the address is globally valid.
 .sp
-.B site
-- (IPv6 only) the address is site local, i.e. it is
-valid inside this site.
-.sp
 .B link
 - the address is link local, i.e. it is valid only on this device.
 .sp
@@ -134,11 +153,33 @@ valid inside this site.
 - the address is valid only inside this host.
 .in -8
 
+.TP
+.BI valid_lft " LFT"
+(IPv6 only) the valid lifetime of this address; see section 5.5.4 of
+RFC 4862. Defaults to
+.BR "forever" .
+
+.TP
+.BI preferred_lft " LFT"
+(IPv6 only) the preferred lifetime of this address; see section 5.5.4
+of RFC 4862. Defaults to
+.BR "forever" .
+
+.TP
+.B home
+(IPv6 only) designates this address the "home address" as defined in
+RFC 6275.
+
+.TP
+.B nodad
+(IPv6 only) do not perform Duplicate Address Detection (RFC 4862) when
+adding this address.
+
 .SS ip address delete - delete protocol address
 .B Arguments:
 coincide with the arguments of
 .B ip addr add.
-The device name is a required argument.  The rest are optional.
+The device name is a required argument. The rest are optional.
 If no arguments are given, the first address is deleted.
 
 .SS ip address show - look at protocol addresses
@@ -200,17 +241,16 @@ The difference is that it does not run when no arguments are given.
 
 .PP
 .B Warning:
-This command (and other
+This command and other
 .B flush
-commands described below) is pretty dangerous.  If you make a mistake,
-it will not forgive it, but will cruelly purge all the addresses.
+commands are unforgiving. They will cruelly purge all the addresses.
 
 .PP
 With the
 .B -statistics
 option, the command becomes verbose. It prints out the number of deleted
-addresses and the number of rounds made to flush the address list.  If
-this option is given twice,
+addresses and the number of rounds made to flush the address list.
+If this option is given twice,
 .B ip address flush
 also dumps all the deleted addresses in the format described in the
 previous subsection.