Alan MunnAlan Munn 219k4545 gold badges558558 silver badges867867 bronze badges 7 6 Good advice. It's a good idea to load lmodern after switching the font encoding so that you get a font with all the extra accents and letters Durante it.Sintassi intorno a richiamo: e^ displaystyle frac displaystyle marsina frac x y marsina z t displaystyle frac a b