BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20130531
RRULE:FREQ=DAILY;INTERVAL=1;UNTIL=20130602
SUMMARY:"The Jewel Heart"
END:VEVENT
END:VCALENDAR