# File lib/scrubyt/output/result_node.rb, line 77
    def to_flat_xml(delimiter=nil)
      lines = []
      hash_result = delimiter ? self.to_hash(delimiter) : self.to_hash
      merged_hash = hash_result.delete_at 0

      hash_result.each do |hash|
        merged_hash.keys.each do |key|
          merged_hash[key] += "#{delimiter}#{hash[key]}"
        end
      end

      if delimiter
        result_sets = merged_hash.values.map!{|x| x.split(delimiter)}.transpose
        final_result = []

        result_sets.each do |rs|
          temp_result = {}
          merged_hash.keys.each do |k|
            temp_result[k] = rs[merged_hash.keys.index(k)]
          end
          final_result << temp_result
        end
        hash_result = final_result
      end

      hash_result.each do |hash|
        lines << "<item>"
        hash.each do |key, value|
          xml_tag = key.to_s
          value = '' if value == '#empty#'
          lines << "  <#{xml_tag}>#{REXML::Text.normalize(value)}</#{xml_tag}>"
        end
        lines << "</item>"
      end
      return lines.join("\n")

    end