on *:text:!defineworld *:#wppc.staff: {
  set %defineworld $2
  msg #wp-pc New WORLD!!!!! Type !world to see the new world!!!!!
  msg #wp-pc New WORLD!!!!! Type !world to see the new world!!!!!
}

on *:text:!world:#wp-pc: { notice $nick The current World is  %defineworld $+ . }