14. The apparatus of claim 10 , wherein the character location of the one or more potential errors is identified sequentially through potential error character locations responsive to repeated user input associated with the string of characters.
14. The apparatus of claim 10 , wherein the character location of the one or more potential errors is identified sequentially through potential error character locations responsive to repeated user input associated with the string of characters. 15. The apparatus of claim 14 , wherein sequential error locations are visually indicated responsive to repeated user input associated with the string of characters.