DOCUMENT EDITING SYSTEM AND METHOD OF PREPARTING A TAG INFORMATION MANAGEMENT TABLE

A document editing system is described and is to solve a problem of a background technology, that is, a problem of incapability of distinguishing, a plurality of document areas which are nested or which partially overlap and are specified through use of tags of the same type. Document area management means and tag management means assign nonoverlapping, unique IDs to arbitrary document areas, wherewith a tag information management table for managing document areas is retained in the document editing system.