we have Date>>#addDays:, here is Date>>#addMonths: and the two related 
methods #onNextMonth and #onPreviousMonth

those make it easier to have a given day move from month to month (is there 
an other way to do so that I overlooked ?)


note that we have 	

	'31 january 2004' asDate onNextMonth

return 2 march 2004, which is consistent with the value of

	'31 february 2004' asDate

(although errors could be raised here I guess)


Stef
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