*****
-xml and generator have to support <popcount> of all members of a list
-
-This is needed for the following XI2-events ( and eventcopies thereof )
- KeyPress
- ButtonPress
- RawKeyPress
- RawKeyPress
- RawButtonPress
- TouchBegin
- RawTouchBegin
-
-*****
-
Parametrized structs
This is needed for being able to use the value of the field