Synopsis:
   on [<modes>]public_notice [<serial#>] [-|^]<match> { <action> }

Description:
   This hook is triggered whenever a NOTICE is sent to any channel the
   client is on from someone not actually on that channel.

Parameters:
   $0    nickname sending message
   $1    channel sent to
   $2-   text of message

Examples:
   To distinguish NOTICEs sent to the current channel vs. other channels:
      on ^public_notice "*" {
         if ( [$1] == C ) {
            echo +$0+ $2-
         } {
            echo +$0:$1+ $2-
         }
      }

See Also:
   notice(1); on(5) notice