[21.0b63] current-time-string is wrong!?
CYGWIN+X, of course.
% xemacs -vanilla
(let ((now (current-time)))
(list
(current-time-string now)
(current-time-string)))
=> ("Fri Jan 02 17:45:50 1970" "Wed Feb 17 17:42:50 1999")
This seems to be the reason why my postings yesterday had bad Date:'s.