In its latest restaurant-rating questionnaire, the ZAGAT SURVEY asked 7,000 regular diners in New York City and Los Angeles to "name a restaurant innovation you'd like to see introduced." The replies seesaw from the farsighted to the farfetched, but the best of them outline intriguing features for the restaurant of the future:

•On-site child care
•Group tables for singles
•Waiter call buttons
•Gift certificates
•Discounts for paying cash
•Pepper mills left on table
•Frequent-diner bonus plans
•On-site cash machines
•Computerized, citywide reservation systems, with advance table selection
•Strolling masseurs
•Calorie and cholesterol counts available on request
•Adjustable lighting at each table
•Computerized menus
•Hot face towels before and after dining
•Faxes and portable phones for table use
•Reduced tax; 5% contribution for the homeless
•Less attitudinal maitre d's