+ [[datediff(date.mdy(2,28,1903), date.mdy(2,29,1900), 'quarters')], [11.00]],
+
+dnl time of day is significant for DATEDIFF
+ [[datediff(date.mdy(10,15,1910) + 234, date.mdy(10,10,1910) + 123, 'days')],
+ [5.00]],
+ [[datediff(date.mdy(10,15,1910) + 123, date.mdy(10,10,1910) + 234, 'days')],
+ [4.00]],
+ [[datediff(date.mdy(10,24,1910) + 234, date.mdy(10,10,1910) + 123, 'weeks')],
+ [2.00]],
+ [[datediff(date.mdy(10,24,1910) + 123, date.mdy(10,10,1910) + 234, 'weeks')],
+ [1.00]],
+ [[datediff(date.mdy(10,10,1910) + 234, date.mdy(5,10,1910) + 123, 'months')],
+ [5.00]],
+ [[datediff(date.mdy(10,10,1910) + 123, date.mdy(5,10,1910) + 234, 'months')],
+ [4.00]],
+ [[datediff(date.mdy(5,10,1919) + 234, date.mdy(5,10,1910) + 123, 'years')],
+ [9.00]],
+ [[datediff(date.mdy(5,10,1919) + 123, date.mdy(5,10,1910) + 234, 'years')],
+ [8.00]],
+
+ [[datediff(date.mdy(10,10,1910) + 123, date.mdy(10,15,1910) + 234, 'days')],
+ [-5.00]],
+ [[datediff(date.mdy(10,10,1910) + 234, date.mdy(10,15,1910) + 123, 'days')],
+ [-4.00]],
+ [[datediff(date.mdy(10,10,1910) + 123, date.mdy(10,24,1910) + 234, 'weeks')],
+ [-2.00]],
+ [[datediff(date.mdy(10,10,1910) + 234, date.mdy(10,24,1910) + 123, 'weeks')],
+ [-1.00]],
+ [[datediff(date.mdy(5,10,1910) + 123, date.mdy(10,10,1910) + 234, 'months')],
+ [-5.00]],
+ [[datediff(date.mdy(5,10,1910) + 234, date.mdy(10,10,1910) + 123, 'months')],
+ [-4.00]],
+ [[datediff(date.mdy(5,10,1910) + 123, date.mdy(5,10,1919) + 234, 'years')],
+ [-9.00]],
+ [[datediff(date.mdy(5,10,1910) + 234, date.mdy(5,10,1919) + 123, 'years')],
+ [-8.00]])