next

# File lib/rexml/validation/relaxng.rb, line 374
      def next( event )
        # Make the choice if we haven't
        if @events.size == 0
          c = 0 ; max = @choices.size
          while c < max
            if @choices[c][0].class == Ref
              expand_ref_in( @choices[c], 0 )
              @choices += @choices[c]
              @choices.delete( @choices[c] )
              max -= 1
            else
              c += 1
            end
          end
          @events = @choices.find { |evt| evt[0].matches? event }
          # Remove the references
          # Find the events
        end
        unless @events
          @events = []
          return nil
        end
        super
      end