Patent ID: 6438566
Filing Date: 2002-08-20
Classification: G06F

Abstract:
A document processing apparatus comprising:first document memory means for storing an old document to be updated; first comment data memory means for storing comment data to be added to the old document, in correspondence with an old addition range of a character string to which the comment data is added in the old document; extraction means for extracting a character string within the old addition range from the old document as a search key character string; second document memory means for storing a new document obtained by updating the old document; search means for searching the new document for the same character string as the search key character string extracted from the old document by said extraction means; determination mans for determining a range of the same character string detected by said search means in the new document as a new addition range of the comment data in the new document; and second comment data memory means for storing the comment data in correspondence with the new addition range determined by said determination means.