(diff.info.gz) RCS

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 RCS Scripts
 -----------
 
    The RCS output format is designed specifically for use by the
 Revision Control System, which is a set of free programs used for
 organizing different versions and systems of files.  Use the `-n' or
 `--rcs' option to select this output format.  It is like the forward
 `ed' format ( Forward ed), but it can represent arbitrary
 changes to the contents of a file because it avoids the forward `ed'
 format's problems with lines consisting of a single period and with
 incomplete lines.  Instead of ending text sections with a line
 consisting of a single period, each command specifies the number of
 lines it affects; a combination of the `a' and `d' commands are used
 instead of `c'.  Also, if the second file ends in a changed incomplete
 line, then the output also ends in an incomplete line.
 
    Here is the output of `diff -n lao tzu' ( Sample diff Input,
 for the complete contents of the two files):
 
      d1 2
      d4 1
      a4 2
      The named is the mother of all things.
      
      a11 3
      They both may be called deep and profound.
      Deeper and more profound,
      The door of all subtleties!
 

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