write (REXML::XMLDecl)

    # File src/rexml/xmldecl.rb, line 40
                    def write writer, indent=-1, transitive=false, ie_hack=false
          return "" unless @writethis or writer.kind_of? Output
                            indent( writer, indent )
                            writer << START.sub(/\\/u, '')
          if writer.kind_of? Output
            writer << " #{content writer.encoding}"
          else
            writer << " #{content encoding}"
          end
                            writer << STOP.sub(/\\/u, '')
                    end