34. A system according to claim 30 , wherein said storage means is configured to store said editable information as a master file and a plurality of segment files, and said combining means is configured to combine the master file and the plurality of segment files in a manner specified by said master file to create said displayed editable information.
30. An editable information management system comprising: storage means for storing editable information as a master file and a plurality of segment files, each segment file being editable independently of other segment files; combining means for combining said master file and said segment files in a manner specified by said master file to create said editable information; an application program adapted to display said editable information, said application program comprising an add in configured to combine said segment objects; editing means for editing part of the displayed editable information corresponding to a predetermined segment file; and updating means for updating said predetermined segment file in response to editing carried out using said editing means.