diffutils: Example diff3 Normal

 
 7.2 An Example of 'diff3' Normal Format
 =======================================
 
 Here is the output of the command 'diff3 lao tzu tao' (SeeSample
 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