7. The method of claim 6 , wherein the determining of the extendable ones of the bounding rectangles comprises computing distances between the candidate boundary and edges of the bounding rectangles on the unjustified side of the text block.
7. The method of claim 6 , wherein the determining of the extendable ones of the bounding rectangles comprises computing distances between the candidate boundary and edges of the bounding rectangles on the unjustified side of the text block. 8. The method of claim 7 , wherein the determining of the extendable ones of the bounding rectangles additionally comprises comparing the distance computed for one of the text lines to a length of a beginning word of an adjacent one of the text lines.