Changes by: Aleksey Nogin (nogin at cs.caltech.edu)
Date: 2006-06-08 09:29:07 -0700 (Thu, 08 Jun 2006)
Revision: 9274
Log message:

      - Better handling of the "exit i" (the exit code used to be replaced with a
        "standard" one in several places).
      
      - Use the Omake_state.exn_error_code instead of hard-coded numbers in more
        places.