Textual fluidity frozen repeatedly.Art of the Title spoke with Julien Widmer, the designer of the opening titles for Le Souffleur, a film about an imaginative but shy theater prompter who falls in love with an unwitting actress:'Souffleur' means 'the prompter' and 'the blower.' It's the same word in French because a prompter 'blows' the words to the actors when they are in need. This particular theater prompter happens to live in his prompter box. So, for this title I chose to blow letters…