| 摘要 |
<p>An electronic information format includes a header module and a history module in addition to source electronic information. A control program is incorporated in the header module, and the control program is expanded on a reception side. An operation on the electronic information on the reception side is recorded by the control program, and is written in the history module when the electronic information is closed. On a providing side, there are provided a program for creating electronic information of the present format, and a program for reading the history data from the electronic information. By this system, when the electronic information is provided, an operation, which is executed on the electronic information on the reception side, is recorded, and the record can be confirmed on the providing side.</p> |
