[Users] (Possible noob) question about vCalendar export format

[Peter T Garner]

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System Information
GTK+ 2.24.28 / GLib 2.46.2
Locale: C (charset: US-ASCII)
Operating System: Linux 4.1.13-1-ARCH (armv7l) 
Raspberry Pi 2

Dear List, 

I've recently started using the vCalendar plugin in Claws and have
setup the export feature to send a .ics file to my Radicale server.
That part works fine. I then use Caldav Sync on a variety of Android
devices to sync and use the calendar. 

However, the export seems to produce a .ics file unlike the other
systems, and : there's a difference between the Claws export ..

BEGIN:VCALENDAR^M
VERSION
 :2.0
PRODID
 :-//Claws Mail//NONSGML Claws Mail Calendar//EN
CALSCALE
 :GREGORIAN
BEGIN:VTIMEZONE^M
TZID
 :UTC
BEGIN:STANDARD^M
DTSTART
 :19700101T000000
TZOFFSETFROM
 :+000000
TZOFFSETTO
 :+000000
TZNAME
 :Greenwich meridian time
END:STANDARD^M
END:VTIMEZONE^M
BEGIN:VEVENT^M
UID

.. and what actually works for everything else (this was created by a
small Perl script): 

BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Claws Mail//NONSGML Claws Mail Calendar//EN
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:19700101T000000
TZOFFSETFROM:+000000
TZOFFSETTO:+000000
TZNAME:Greenwich meridian time
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:0400

Is this what I should expect?

Once I've modified the exported output and uploaded it to my Radicale
server, all works as intended.

Any info gratefully received!
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