write (REXML::Document)

    # File src/rexml/document.rb, line 155
                    def write( output=$stdout, indent=-1, transitive=false, ie_hack=false )
                            output = Output.new( output, xml_decl.encoding ) if xml_decl.encoding != "UTF-8" && !output.kind_of?(Output)
                            @children.each { |node|
                                    indent( output, indent) if node.node_type == :element
                                    node.write( output, indent, transitive, ie_hack )
                                    output << "\n" unless indent<0 or node == @children[-1]
                            }
                    end