12. The non-transitory machine readable medium of claim 10 , wherein the region preceding the second primitive area comprises a region in the document page that precedes the second primitive area in a reading flow of the second primitive area, wherein the region following the second primitive area comprises a region in the document page that follows the second primitive area in the reading flow of the second primitive area.
12. The non-transitory machine readable medium of claim 10 , wherein the region preceding the second primitive area comprises a region in the document page that precedes the second primitive area in a reading flow of the second primitive area, wherein the region following the second primitive area comprises a region in the document page that follows the second primitive area in the reading flow of the second primitive area. 13. The non-transitory machine readable medium of claim 12 , wherein the reading flow of the second primitive area is based on an angle between the second primitive area and a horizontal line in the document page.