----- Original Message -----
On Mon, 2016-03-14 at 14:28 +0100, Andreas Nilsson wrote:
I tested again now, and it seems the world clock button goes away if gnome-clocks isn't installed. The shell calendar seems to work fine without evolution installed.
We do need to change it to launch GNOME Calendar, though... once that moves into core.
That should be a one-liner in the default apps shipped by shared-mime-info.
You can test whether it works by changing the default in the Details -> Default applications settings panel.