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Text File  |  1988-06-21  |  313 b   |  16 lines
  1. %====================== break/1               ===============================
  2. PREDICATES
  3.   repeat
  4.  
  5. CLAUSES
  6.   repeat.
  7.   repeat:-repeat.
  8.  
  9. GOAL    break(OldBreakStatus),
  10.     break(off),
  11.     repeat,
  12.     write("\nYou can only abort this program by typing a '#'."),
  13.     readchar(CH),
  14.     CH='#',!,
  15.     break(OldBreakStatus).
  16.