[Bug 177002] New: Bug in VCALENDER file format for appointment mails

[Gerhard Gappmeier]

http://bugs.kde.org/show_bug.cgi?id=177002

           Summary: Bug in VCALENDER file format for appointment mails
           Product: kontact
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: gerhard.gappmeier at ascolab.com


Version:            (using Devel)
Compiler:          gcc version 4.1.2 (Gentoo 4.1.2 p1.1)  
OS:                Linux
Installed from:    Compiled sources

There seems to be a bug in the timezone of ical attachements when sending
appointments via kmail.

Symptom: The mail created with KOrganizer/Kmail looks like this:
BEGIN:VCALENDAR
PRODID:-//K Desktop Environment//NONSGML KOrganizer 4.1 rc1//EN
VERSION:2.0
METHOD:REQUEST
BEGIN:VEVENT
DTSTAMP:20081204T095004Z
...
CREATED:20081204T095002Z
UID:KOrganizer-570377125.662
LAST-MODIFIED:20081204T095002Z
DESCRIPTION:Ziel der Besprechung...
SUMMARY:...
DTSTART;TZID=Europe/Berlin:20081205T140000
DTEND;TZID=Europe/Berlin:20081205T150000
TRANSP:OPAQUE
END:VEVENT

END:VCALENDAR

The TZID cannot be interpreted by MS Outlook. The time will be interpreted as
UTC which leads to a wrong appointment time.
According to reinhold in #kontact this is a bug due to a missing VTIMEZONE
field, so this time it seems not to be a MS bug ;-)

MS Outlook itself sends the appointments with UTC times:
DTSTART:20081205T130000Z
DTEND:20081205T140000Z

In my opinion this is simpler and more likely to be understood by other
applications.
So maybe this should be changed to this format.


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