[horde] vcard 4.0 support

[lst_hoe02 at kwsoft.de]

Zitat von Jan Schneider <jan at horde.org>:

> Zitat von lst_hoe02 at kwsoft.de:
>
>> Hello,
>>
>> at the moment i'm playing around with distribution lists and have  
>> noticed that there is no support to sync distributions list for  
>> example with CardDAV because vcard 3.0 (RFC 2426) used by Horde has  
>> no way to transfer groups in a portable way. The vcard 4.0 (RFC  
>> 6350) would have support for groups so it might be useful to switch  
>> to vcard 4.0, no? Can anyone with more knowledge share some inside  
>> what steps/modules would be involved to get Horde working with  
>> vcard 4.0 ?
>>
>> Thanks
>>
>> Andreas
>
> vCard 4.0 support would have to be added to Horde_Icalendar. But  
> before this to happen, it's overdue to completely refactor  
> Horde_Icalendar, so that client code doesn't have to know about  
> standard versions. That a big task, that might only be done during  
> the Horde 6 development.
>

Anything where one can help to speed it up? Is there a sketchy  
description what has to be done and where?

Regards

Andreas