BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20120909T170000
DTEND:20120909T210000
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140526;BYDAY=SU
SUMMARY:Les Mengel Duo
END:VEVENT
END:VCALENDAR