3. The method of claim 2 wherein the geometrical properties on which each of the candidate inter-character breaks are classified further include a size of the respective candidate inter-character break and its neighboring breaks relative to an average break size for the textual line.
4. The method of claim 3 wherein the geometrical properties on which each of the candidate inter-character breaks are classified further include a degree of regularity in estimated character widths for the candidate characters in the textual line.