I watched my Mac OS X 10.7.4 box count backwards this leap second. The time went to 00:00:00, then back to 23:59:59. At least Linux makes the effort to have the

I watched my Mac OS X 10.7.4 box count backwards this leap second. The time went to 00:00:00, then back to 23:59:59. At least Linux makes the effort to have the seconds never go backwards.