[kronolith] make participant e-mails optional

[Jens-U. Mozdzen]

Michael, Jan,

Zitat von Jan Schneider <jan at horde.org>:
> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>
>> Quoting "Jens-U. Mozdzen" <jmozdzen at nde.ag>:
>>
>>> Hi,
>>>
>>> I'm scheduling a meeting and adding participants that are known in  
>>> the address book, including e-mail. But as I know that some of  
>>> these prefer clear-text emails over generated notifications, I'd  
>>> like to omit sending invitation e-mails to those few.
>>>
>>> Can I somehow select which participants to send a notification and  
>>> whom not? It's not about a general setting (i.e. in the address  
>>> book), but per appointment.
>>
>> No.
>
> You can leave out the email address though, and just add the full  
> name to the attendee list.

thank you for at least confirming that it's not my fault :) I'll try  
to find some free resources to add that functionality and if  
successful will create an enhancement ticket.

With regards,
Jens