lightweight-timestamping-if

	A	B	C	D	E
1	type	name	label	calculation	bind::type
2	text	name	What is your name?
3	calculate	name-timestamp		if(${name} = '', '', once(now()))	dateTime
4	calculate	name-timestamp-formatted		format-date-time(${name-timestamp}, "%Y-%m-%e %H:%M:%S.%3")
5	note	name-timestamp-note	${name-timestamp-formatted}
6
7	integer	age	What is your age?
8	calculate	age-timestamp		if(${age}='', '', once(now()))	dateTime
9	calculate	age-timestamp-formatted		format-date-time(${age-timestamp}, "%Y-%m-%e %H:%M:%S.%3")
10	note	age-timestamp-note	${age-timestamp-formatted}
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