18ac In many cases, it’ll spell the end for a man of letters (5,5) Y???? ?R?L?
22ac What a turn off for those crazy nuts who’d spend hours at computer keyboard (8) ????D?W? [ ????down]
26ac Cry off in food preservation factory, leaving girl who acts like she’s royalty (4) I?N?
15 dn It’s parents, if they exist at all, will presumably never hear the potter patter of tiny feet (9) S?????T?H
19dn Trats like cheeky one assuming airs and graces of entitlement (7) ????A?T