on [#][<mode>]who [<serial#>] [-|^]<match> { <action> }
This hook is triggered when the client receives server output from the WHO command. Each line received can trigger the hook.
| $0 | channel the user is on, of '*' if none or if it is private |
| $1 | nickname of user |
| $2 | status of user: <G|H>[*][@|+] |
| 'G' for gone (away), 'H' for here (not away), '*' for irc operator, '@' for channel operator, '+' for voice status | |
| $3 | username portion of user's address |
| $4 | hostname portion of user's address |
| $5 | user's server |
| $6 | server hopcount from user |
| $7- | user's IRCNAME |