    # File temp/encoding.rb, line 23
        def encoding=( enc )
          old_verbosity = $VERBOSE
          begin
            $VERBOSE = false
            enc = enc.nil? ? nil : enc.upcase
            return false if defined? @encoding and enc == @encoding
            if enc and enc != UTF_8
              @encoding = enc
              raise ArgumentError, "Bad encoding name #@encoding" unless @encoding =~ /^[\w-]+$/
              @encoding.untaint
              begin
                require 'rexml/encodings/ICONV.rb'
                Encoding.apply(self, "ICONV")
              rescue LoadError, Exception
                begin
                  enc_file = File.join( "rexml", "encodings", "#@encoding.rb" )
                  require enc_file
                  Encoding.apply(self, @encoding)
                rescue LoadError => err
                  puts err.message
                  raise ArgumentError, "No decoder found for encoding #@encoding.  Please install iconv."
                end
              end
            else
              @encoding = UTF_8
              require 'rexml/encodings/UTF-8.rb'
              Encoding.apply(self, @encoding)
            end
          ensure
            $VERBOSE = old_verbosity
          end
          true
        end