On Mon, Dec 02 2013, Adam Sjøgren wrote:

> Jan Tatarik <jan.tatarik@gmail.com> writes:

>> Does this work for you?

> Setting gnus-icalendar-additional-identities works as expected!

> One catch is that if I change it, I seem to have to restart Emacs for
> the changes to be taken into account. Just changing the value of
> gnus-icalendar-additional-identities isn't sufficient. Shouldn't it be?

How about this?