4. The method of claim 1, further comprising the following step that is performed before step (1): (6) sorting objects, defined by records stored in said electronic representation of said coordinate based document, based on their respective vertical positions in said electronic canvas.
4. The method of claim 1, further comprising the following step that is performed before step (1): (6) sorting objects, defined by records stored in said electronic representation of said coordinate based document, based on their respective vertical positions in said electronic canvas. 5. The method of claim 4, wherein in step (6) said objects are sorted from top to bottom.