9. The data processing method according to claim 8 , further comprising: determining whether or not a change beyond a specific criterion has occurred in the text in the range specified by the received range specifying operation, wherein at the time of performing the text pasting processing, the specific text stored in the storing unit is displayed on the display device on a condition that it is determined that a change beyond the specific criterion has occurred in the text in the range.
11. The data processing method according to claim 9 , further comprising periodically acquiring from the display control unit positional information on a cursor used in a range specifying operation, in accordance with progress of the range specifying operation, and determining, based on, after the cursor is at a display position on a same row of the text displayed on the display device for a certain time or more, the cursor is moved to a display position in a different row, that a change beyond a specific criterion has occurred in the specified range of text.