Patent ID: 7243114

Claim:
An electronic document system, comprising: an original file system for storing unit original electronic information created by dividing an original electronic document having a table of contents with headings into a plurality of units and converting the plurality of units into electronic information corresponding to each heading in the table of contents of the original electronic document; a notification file system for storing notification electronic information created by converting a notification document, which notifies that a change was made to the original electronic document, into electronic information; an original management table for storing information specifying the unit original electronic information stored in said original file system and information suggesting a content of each unit original electronic information in connection with each other; a difference management table for storing information specifying unit original electronic information corresponding to a portion of the original electronic document to which the change was made and information specifying the corresponding notification electronic information to correspond with each other; a display unit for displaying information; and a management apparatus includes a processor performing operations of: displaying on said display unit the information suggesting the content of unit original electronic information stored in said original management table; searching whether or not information specifying the unit original electronic information corresponding to the information displayed on said display unit is stored in said difference management table; and displaying a predetermined indication, which indicates presence of notification electronic information, on said display unit wherein the predetermined indication is added to the information suggesting the content of unit original electronic information displayed on said display unit when in said searching operation the information being searched for is stored in said difference management table.