8. The data processing apparatus of claim 1 , wherein the particular operators are identified by at least one of font type, font size, position and type of content, wherein the at least one of font type and font size are same across two or more of the page data.
8. The data processing apparatus of claim 1 , wherein the particular operators are identified by at least one of font type, font size, position and type of content, wherein the at least one of font type and font size are same across two or more of the page data. 9. The data processing apparatus of claim 8 , wherein the particular operators are identified by font type and position and comprise number content, and wherein the page order determiner receives the particular operators, and the page order determiner orders the page data based on sequence of the number content associated with respective page data.