Add @output to targets-ipv6-multicast-*.

scripts/targets-ipv6-multicast-echo.nse

@@ -7,6 +7,11 @@ on a LAN without needing to individually ping each IPv6 address.
 ---
 -- @usage
 -- ./nmap -6 --script=targets-ipv6-multicast-echo.nse --script-args 'newtargets,interface=eth0' -sL
+-- @output
+-- Pre-scan script results:
+-- | targets-ipv6-multicast-echo:
+-- |   IP: 2001:0db8:0000:0000:0000:0000:0000:0001  MAC: 11:22:33:44:55:66  IFACE: eth0
+-- |_  Use --script-args=newtargets to add the results as targets
 -- @args newtargets  If true, add discovered targets to the scan queue.
 -- @args targets-ipv6-multicast-echo.interface  The interface to use for host discovery.
 

scripts/targets-ipv6-multicast-invalid-dst.nse

@@ -9,6 +9,11 @@ packet.
 ---
 -- @usage
 -- ./nmap -6 --script=targets-ipv6-multicast-invalid-dst.nse --script-args 'newtargets,interface=eth0' -sP
+-- @output
+-- Pre-scan script results:
+-- | targets-ipv6-multicast-invalid-dst:
+-- |   IP: 2001:0db8:0000:0000:0000:0000:0000:0001  MAC: 11:22:33:44:55:66  IFACE: eth0
+-- |_  Use --script-args=newtargets to add the results as targets
 -- @args newtargets  If true, add discovered targets to the scan queue.
 -- @args targets-ipv6-multicast-invalid-dst.interface  The interface to use for host discovery.
 

scripts/targets-ipv6-multicast-slaac.nse

@@ -21,6 +21,11 @@ See also:
 ---
 -- @usage
 -- ./nmap -6 --script=slaac_host_discovery.nse --script-args 'newtargets,interface=eth0' -sP
+-- @output
+-- Pre-scan script results:
+-- | targets-ipv6-multicast-slaac:
+-- |   IP: fe80:0000:0000:0000:1322:33ff:fe44:5566  MAC: 11:22:33:44:55:66  IFACE: eth0
+-- |_  Use --script-args=newtargets to add the results as targets
 -- @args targets-ipv6-multicast-slaac.interface  The interface to use for host discovery.
 
 author = "David Fifield, Xu Weilin"