adds a font run to the formatted string . if a font run exists at the current number of the font run , creating a new font .
185. FormatRun run1 = (FormatRun)field_4_format_runs.get(i); 188. if (!run1.equals(run2))
sets the
403. FormatRun r = (FormatRun)field_4_format_runs.get(i); 404. if (r.character == characterPos) 406. else if (r.character > characterPos)