18. The electronic device of claim 16 wherein the operations further comprise detecting as the input of the particular character an input of a character from the map file that is not already included in the active character set.
16. The electronic device of claim 10 wherein the input apparatus comprises a plurality of input members, and wherein the memory has stored therein a map file comprising an assignment of each character to a corresponding input member, and wherein the operations further comprise: detecting a press-and-hold actuation of a particular input member; and outputting at least a first character from the map file that is assigned to the particular input member and is in the inactive character set.