PARIS — Jean Paul Gaultier, once the enfant terrible of French fashion, has moved on. He could certainly still shock if he liked, but these days he prefers to amaze with his grace and ideas, his ability to be almost a one-man council of style. For fall, there were great suits, coats and trenches, all shaped with chic and elan, and given unexpected special touches. Here, his dashing take on a trenchcoat and pants. For more on the shows, see pages 6 to 9.