1. A method of enabling input on a handheld electronic device that comprises an output apparatus, an input apparatus comprising a plurality of input members, and a processor apparatus, the method comprising: detecting a predetermined input when an edit focus of the processor apparatus is on a character of a displayed object, the character being assigned to an input member having a plurality of characters assigned thereto; and responsive to the predetermined input, replacing in the displayed object the character with a different character assigned to the input member.