public void set_added (string uri, time_t added)
Warning: set_added is deprecated since 2.66. Use set_added_date_time.
Sets the time the bookmark for
uri was added into this.
Use set_added_date_time instead, as `time_t` is deprecated due to the year 2038 problem.
If no bookmark for
uri is found then it is created.
a valid URI
a timestamp or -1 to use the current time