| 摘要 |
PURPOSE:To execute an AND processing following a desired function processing without newly enlarging a memory by executing respective functions as against respective division points dividing a sentence information storage area and automatically setting and updating the division points for returning to a sentence before execution at the time of executing the respective functions. CONSTITUTION:An update means 100a sequentially sets plural pieces of division position information in the division areas(within the sentence information storage area 111) divided based on an editing instruction by an instruction means, and updates the set state of respective pieces of division position information which are set in the division area based on a sentence restoration instruction by the instruction means. At the time of the sentence restoration instruction, sentence information before erasure is restored. |
