Double-Click does not work

[DerkWehler]

I feel blessed to find this program (already installed) on my new Kubuntu, as I have a non-standard mouse and Elecom does not make any linux utility apps.

It's a 5-button trackball and I was able to map one to ESC, another to CTRL+HOME, but I want another to map to double click. I would find it very helpful if the examples file had a LOT more. But luckily, double click was shown to be:

key(BTN_LEFT).wail(50).key(BTN_LEFT)

Unfortunately, it does not work. My setup looks like this:

I tried Target = Mouse, Keyboard & both...