How to behave in restaurants is one of the more complex aspects of eating out in London at the start of the 21st century. A restaurant visit used to be a simple and pleasurable experience: one turned up, ordered one's food, behaved in a manner that was not overly offensive and that was that. Now the mere prospect of visiting a restaurant is so fraught with dos, don'ts, faux pas, social solecisms and etiquette booby traps that it makes one want to dial Domino and settle for an American Hot and an ITV drama premier. However, if you insist on venturing out to a restaurant here are a few pointers: