ocr: THB NEW YORK TIMES, SATURDAY, SBPTEMBER 24, 1988 Po ) - LY M - PIC S Joyner-Kersee Long Jump Sets : - - a - Mark SEOUL, South Korea, Saturday, Sept.24 (AP) - Jackle Joyner-Ker- Track and Fleld see broke the world record in the women's long, Jump. of the heptathlon, leaping 23 feel 104 inches today as she continued to dominate the two-dayevent, Joyner-kersee's long-jump per: formance smashed the mark of 23-9% she had sel at the 1987 United States track and field championships at San Jose, Callf, Her latest performance put Joyner-Kersee within 11 points of her world-record pace in the heptathion ...