(time-less-p '(13818 19266) '(13818 19145))
@result{} nil
-(subtract-time '(13818 19266) '(13818 19145))
+(time-subtract '(13818 19266) '(13818 19145))
@result{} (0 121)
(days-between "Sat Sep 12 12:21:54 1998 +0200"
@item time-less-p
Take two times and say whether the first time is less (i.e., earlier)
-than the second time.
+than the second time. (This is a built-in function.)
@item time-since
Take a time and return a time saying how long it was since that time.
-@item subtract-time
+@item time-subtract
Take two times and subtract the second from the first. I.e., return
-the time between the two times.
+the time between the two times. (This is a built-in function.)
@item days-between
Take two days and return the number of days between those two days.