Importing an external subordinate document into a master document, editing the subordinate portion of the master document and updating the external subordinate document by exporting the edit of the subordinate portion of the master document to the external subordinate document

摘要

Document data to be edited includes reference information to external document data corresponding to a component document constituting the document data. When the component document is selected and when an instruction is given for the reflection thereof in the external document, a chapter to be updated is identified first, and reference information corresponding to that chapter is identified. Then, the external document identified by the reference information is overwritten and updated with the selected component document.