def lookup_on_error_parent(message)

      nd = Flor::Node.new(self, nil, message).on_error_parent
      nd ? nd.to_procedure_node : nil
    end
def lookup_on_error_parent(message)

      nd = Flor::Node.new(self, nil, message).on_error_parent
      nd ? nd.to_procedure_node : nil
    end
Return an empty array of new messages. No direct effect.

 Some trap, hook, and/or waiter might lie in wait though.