An Example of `diff3' Normal Format
===================================

   Here is the output of the command `diff3 lao tzu tao' (*note Sample
diff3 Input::., for the complete contents of the files).  Notice that
it shows only the lines that are different among the three files.

     ====2
     1:1,2c
     3:1,2c
       The Way that can be told of is not the eternal Way;
       The name that can be named is not the eternal name.
     2:0a
     ====1
     1:4c
       The Named is the mother of all things.
     2:2,3c
     3:4,5c
       The named is the mother of all things.
     
     ====3
     1:8c
     2:7c
         so we may see their outcome.
     3:9c
         so we may see their result.
     ====
     1:11a
     2:11,13c
       They both may be called deep and profound.
       Deeper and more profound,
       The door of all subtleties!
     3:13,14c
     
         -- The Way of Lao-Tzu, tr. Wing-tsit Chan