# File rexml/document.rb, line 203
    def write( output, indent=-1 )
      output = Output.new( output, xml_decl.encoding ) if xml_decl.encoding != "UTF-8"
      @children.each { |node|
	node.write( output, indent )
	output << "\n" unless indent<0 or node == @children[-1]
      }
    end