BEGIN:VCALENDAR
PRODID:-//libical-tester
VERSION:2.0
BEGIN:VEVENT
UID:-OUR-CALENDAR-COM-CAL-__PUBLIC__-0000000021
SUMMARY:Test VALUE X in DTSTART
DTSTART;VALUE=X:20070122T000000Z
DTEND;VALUE=DATE:20070123
DTSTAMP:20080605T123147Z
LAST-MODIFIED:20070110T122050Z
RRULE:FREQ=DAILY;UNTIL=20070126T000000Z;INTERVAL=1
END:VEVENT
END:VCALENDAR