ENGAGED. Debby Boone, 22, pop singer (You Light Up My Life) and daughter of wholesome, white-bucked Pat Boone; and Gabriel Ferrer, 21, son of José Ferrer and Rosemary Clooney.
MARRIED. Bibi Andersson, 43, Swedish actress and longtime star of Ingmar Bergman films (The Seventh Seal); and Per Ahlmark, 39, chairman of the Swedish Film Institute and former head of his nation's Liberal Party; both for the second time; in Stockholm.
MARRIED. Rex Harrison, 70, English film and stage actor; and Mercia Tinker, fortyish, Singapore-born Swiss brunette; he for the sixth time; in Pawling, N.Y....