11. A document processing method comprising the computer implemented steps of: extracting a format of a stored document used as a standard; storing the extracted format in order to automatically edit another document; and reading out stored document data, said read out document data representing said document used as the standard, said document data including character data and modification information, and said document data being read out with said document data being divided in units of constituent element information into document blocks; said extracting step further comprising extracting the modification information from said document blocks; and said storing step further comprising storing, for each document block, the extracted modification information together with the constituent element information. said another document being edited with reference to the stored constituent element information and the stored modification information.
11. A document processing method comprising the computer implemented steps of: extracting a format of a stored document used as a standard; storing the extracted format in order to automatically edit another document; and reading out stored document data, said read out document data representing said document used as the standard, said document data including character data and modification information, and said document data being read out with said document data being divided in units of constituent element information into document blocks; said extracting step further comprising extracting the modification information from said document blocks; and said storing step further comprising storing, for each document block, the extracted modification information together with the constituent element information. said another document being edited with reference to the stored constituent element information and the stored modification information. 12. The method according to claim 11, wherein said constituent element information includes at least date and information indicating sender and destination, and said modification information includes at least character size and information representing underlining.