17. The computing device of claim 16 wherein the geometrical properties on which the at least one of the candidate inter-character breaks is classified further include a degree of regularity in estimated character widths for the candidate character.
16. The computing device of claim 15 wherein the geometrical properties on which the at least one of the candidate inter-character breaks is classified further include a size of the respective candidate inter-character break and its neighboring breaks relative to an average break size for the at least one textual line.