# File lib/cookiejar/cookie.rb, line 124
    def to_s ver=0, prefix=true
      case ver
      when 0
        "#{name}=#{value}"
      when 1
        # we do not need to encode path; the only characters required to be
        # quoted must be escaped in URI
        str = prefix ? "$Version=#{version};" : ""
        str << "#{name}=#{value};$Path=\"#{path}\""
        if domain.start_with? '.'
          str << ";$Domain=#{domain}"
        end
        if ports
          str << ";$Port=\"#{ports.join ','}\""
        end
        str
      end
    end