AW: [Kde-accessibility] making fallback access keys configurable

[Tobias Anton]

> If the Control key is being used as a "toggle",
> i.e. "press/release" of control turns Access Keys
> on and off, then I would suggest that this [...]
> is a dubious idea.  

The "toggle" variant was only introduced to work around collisions with
Ctrl+o, Ctrl+C, Ctrl+X, Ctrl+V, Ctrl+S and the like.

Tobias