39. The method according to claim 37 wherein said region of tolerance is a computed region based on an existence of the at least one compatible location surrounding the positional location in the electronic revisable-form document that is within the computed region.
39. The method according to claim 37 wherein said region of tolerance is a computed region based on an existence of the at least one compatible location surrounding the positional location in the electronic revisable-form document that is within the computed region. 40. The method according to claim 39 further comprising: resolving ambiguity of the intended compatible location in the electronic revisable-form document by aiding a user to write a selected portion of a handwritten symbol at said positional input receiving mechanism closer to a positional location associated with the intended compatible location.