bug in current_timestamp(1)

Going from precision 3 down to 0 - note the bug in (1).  It always displays
a trailing zero.

australia=# select current_timestamp(3);       timestamptz
----------------------------2003-07-30 10:54:55.642+08
(1 row)

australia=# select current_timestamp(2);       timestamptz
---------------------------2003-07-30 10:54:57.11+08
(1 row)

australia=# select current_timestamp(1);       timestamptz
---------------------------2003-07-30 10:54:58.20+08
(1 row)

australia=# select current_timestamp(0);     timestamptz
------------------------2003-07-30 10:55:03+08
(1 row)



Chris