+ (** parse a Cookie header, extracting an associative list <attribute name,
+ * attribute value>. See RFC 2965
+ * @param raw_cookies: value of a "Cookies:" header
+ * @return a list of pairs cookie_name * cookie_value
+ * @raise Malformed_cookies if raw_cookies does not conform to RFC 2965 *)
+val parse_cookies: string -> (string * string) list
+