On Wed, 21 Apr 1999, Guy Harris wrote:
(thank you, Arthur Olson), and I think that was part of our Y2K testing, but if you're going to check 1999-12-31 -> 2000-01-01, you should probably check 2000-02-28 -> 2000-02-29 on your machines as well.)
And while you're at it 99-9-9 should also be checked just to be sure that someone creative didn't use that as a sentinel as well.
Tom