| 摘要 |
<p>PURPOSE:To manage and control text management, UNDO/REDO control, and history management efficiently and in addition, through the use of a small area by setting an insertion/update/deletion flags to a line managing block, etc., and pointing an insertion/update/deletion line texts in accordance with the editing of a text. CONSTITUTION:The system is constituted as follows. The line managing block 7 to manage plural line texts by collecting them into a block is provided, and the insertion line text 8, the update line text 9 or the deletion line text 10 is generated in accordance with editing operation, and simultaneously, a point and the insertion/update/deletion flags are set from the line managing block 7 so as to manage the insertion, the update and the deletion of the text.</p> |
