# File lib/libxml/node.rb, line 26
      def inner_xml(options = Hash.new)
        io = nil
        self.each do |node|
          xml = node.to_s(options)
          # Create the string IO here since we now know the encoding

          io = create_string_io(xml) unless io
          io << xml
        end

        io ? io.string : nil
      end