date.prevMonth

Syntax	date.prevMonth (date)
Params	date is a valid Frontier date or a string that can be coerced to a date.
Action	Returns a date value exactly a month before the specified date
Returns	A date value exactly a month before the specified date
Examples	date.prevMonth (clock.now())    » "11/5/97; 10:25:07 PM"
See Also	date.nextMonth