1. A method of enabling input on an electronic device having stored therein a plurality of objects comprising a plurality of characters, at least some of the characters being in an active character set and others at least initially being in an inactive character set, the method comprising: detecting an input of a particular character in the inactive character set and not included in the active character set; updating the active character set to include the particular character as part of the active character set; detecting an ambiguous text input; and employing the updated active character set in disambiguating the ambiguous text input.
2. The method of claim 1 , further comprising outputting the particular character as at least a portion of an interpretation of the ambiguous text input.