flag_list

# File lib/net/imap.rb, line 3016
      def flag_list
        if @str.index(/\(([^)]*)\)/i, @pos)
          @pos = $~.end(0)
          return $1.scan(FLAG_REGEXP).collect { |flag, atom|
            if atom
              atom
            else
              symbol = flag.capitalize.untaint.intern
              @flag_symbols[symbol] = true
              if @flag_symbols.length > IMAP.max_flag_count
                raise FlagCountError, "number of flag symbols exceeded"
              end
              symbol
            end
          }
        else
          parse_error("invalid flag list")
        end
      end