Originally by Oolong

   1: my $str;
   2: if ($$args{weight} > 0) {
   3:   $str .= "Someone upvoted ";
   4: }
   5: else {
   6:   $str .= "Someone downvoted ";
   7:   $$args{amount} = -1 * $$args{amount};
   8: }
   9: 
  10: if ($$args{node_id}) {
  11:   $str .= linkNode($$args{node_id});
  12: }
  13: return $str;