BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//K Desktop Environment (KDE)//LibKCal test cases 1.0//EN

BEGIN:VEVENT
DESCRIPTION:Every hour and a half for 4 occurrences:
DTSTART;TZID=America/Los_Angeles:19970902T090000
RRULE:FREQ=MINUTELY;COUNT=4;INTERVAL=90
X-EXPECT-NUMEVENTS: 4
END:VEVENT
END:VCALENDAR
