APPT Appointment Minder
Program History:

Version 1.00    10/23/92        
        Initial release.

Version 1.01    11/12/92        
        Minor update for 8086/88 compatability.

Version 1.10    11/30/92        
        Corrected buffer-overwrite problem that occurred with files > 4608 
        bytes.  APPT now clears file buffer before writing.

Version 1.20    07/07/93        
        Added environment option so that APPT can find APPT.DAT and APPT.BAK 
        wherever they reside.  Consequently, this requires more error-checking.
        The word "TypeOver" now appears on-screen when registered users are 
        editing in such mode.  Enhanced registration procedure and code 
        efficiency.  Added utilities SETERROR and ALLBUT.

Version 1.21    08/01/93
        Bug-fix--corrected forced use of environment variable.