- If <channels> is omitted, all users are shown, grouped by channel name
- with all users who are not on a channel being shown as part of channel
- "*".
- If <server> is specified, the command is sent to <server> for
- evaluation.
+ If <channel> has been omitted, all visible users are shown, grouped
+ by channel name, and all visible users not being members of at least
+ one channel are shown as members of the pseudo channel "*".
+ .
+ <target> can be a server name, the nickname of a client connected to
+ a specific server, or a mask matching a server name in the network.
+ The server of the current connecion is used when <target> is omitted.
+
+ References:
+ - RFC 2812, 3.2.5 "Names message"