Ex parte TOWFIQ - Page 2




          Appeal No. 1999-2720                                                        
          Application No. 08/580,965                                                  
          application.                                                                
               The invention relates to a method and apparatus for                    
          maintaining source control for new successive versions of                   




          software where modifications have been made to a first version              
          S1 are not included in the new version S3 (specification, page              
          1, and figure 1).  The invention allows changes in a new                    
          version S3 of the software to be incorporated into the                      
          modified initial version of the software S2 (specification,                 
          page 3, lines 3-5).  The difference between the new version S3              
          and the initial                                                             
          version S1 is integrated into a copy of the initial version                 
          S1', and the integrated copy is then integrated with a copy of              
          the modified initial version S2 to yield a modified new                     
          version S4 (figures 4(a) through 4(d), and specification, page              
          7, lines 9-30 through page 9, lines 1-14).                                  
               Independent claim 1 is reproduced as follows:                          
          1.        A method of maintaining version control for an                    
          initial S1 of software stored in a memory, where the initial                
          version has been modified to yield a modified initial version               
          S2 of the software that is also stored in the memory, the                   
          method comprising the steps, performed by a data processing                 
          system, of:                                                                 

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