# File lib_doc/rucy/lang.rb, line 125
    def filter_args
      args = [
        [ 'status', :select, [
            '302 Found',
            '303 See Other',
            '301 Moved Permanently',
            '307 Temporary Redirect'
          ]
        ]
      ]
      for i in 1..NARGS
        args.push([ "language #{i}", :string, nil ])
        args.push([ "location #{i}", :string, nil ])
      end
      args
    end