add_event_to_arry

# File lib/rexml/validation/relaxng.rb, line 206
      def add_event_to_arry( arry, evt )
        evt = generate_event( evt )
        if evt.kind_of? String
          arry[-1].event_arg = evt if arry[-1].kind_of? Event and @value
          @value = false
        else
          arry << evt
        end
      end