BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//collective//icalendar//issue 313//EN
BEGIN:VEVENT
UID:libical-evolution@issue-313
SUMMARY:libical / Evolution globally unique TZID
DTSTART;TZID=/freeassociation.sourceforge.net/Europe/Berlin:20200426T140000
DTEND;TZID=/freeassociation.sourceforge.net/Europe/Berlin:20200426T150000
END:VEVENT
BEGIN:VEVENT
UID:mozilla-lightning@issue-313
SUMMARY:Mozilla Lightning globally unique TZID
DTSTART;TZID=/mozilla.org/20070129_1/America/New_York:20200426T140000
DTEND;TZID=/mozilla.org/20070129_1/America/New_York:20200426T150000
END:VEVENT
BEGIN:VEVENT
UID:multipart-olson@issue-313
SUMMARY:vendor prefix in front of a multi-part Olson name
DTSTART;TZID=/freeassociation.sourceforge.net/Tzfile/America/Argentina/Buenos_Aires:20200426T140000
DTEND;TZID=/freeassociation.sourceforge.net/Tzfile/America/Argentina/Buenos_Aires:20200426T150000
END:VEVENT
END:VCALENDAR