> Can someone please tell me why this ended up in my wtmp file, is it a
> bug or a hole ?
> 
> --------------
> date      }                         Thu Nov  9 00:40   still logged in
> date      |                         Thu Nov  9 00:39 
> [ ... ]

as reported by "man wtmp":

     In the event of a date change, a shutdown or reboot, the following items
     are logged in the wtmp file.

     reboot
     shutdown    A system reboot or shutdown has been initiated.  The charac-
                 ter `~' is placed in the field ut_line, and reboot or
                 shutdown in the field ut_name. (See shutdown(8) and
                 reboot(8).)

     date        The system time has been manually or automatically updated.
                 (See date(1).)  The command name date is recorded in the
                 field ut_name. In the field ut_line, the character `|' indi-
                 cates the time prior to the change, and the character `{' in-
                 dicates the new time.



cgd