From the NannyMUD documentation

LAST CHANGE

2000-12-19

FUNCTION

NAME
        short_date - A short form of a datum.


SYNTAX
	string short_date(int time | void)

DESCRIPTION
	This simulated efun returns a short string (6-7 characters) describing
	the date of the given time. If not given an argument, the value of the
	efun time() is used.


EXAMPLE
	short_date(time())	Short date for the current time.
	short_date(0)		-"-
	short_date()		-"-
	short_date(1)		1Jan70
	short_date(1246789)	15Jan70