# File lib/mechanize/cookie_jar.rb, line 30
  def add!(cookie)
    normal_domain = cookie.domain.downcase

    @jar[normal_domain] ||= {} unless @jar.has_key?(normal_domain)

    @jar[normal_domain][cookie.path] ||= {}
    @jar[normal_domain][cookie.path][cookie.name] = cookie

    self
  end