Ned Konz <ned at bike-nomad.com> writes:

I am impressed.
 
> So I'd probably try replacing the call to displayWorld in 
> SystemWindow>>passivate with displayWorldSafely, which *does* have 
> proper error handling.

Well this change makes Alt. to work reliably. Is there a reason why
SystemWindow>>passivate used #displayWorld instead of
displayWorldSafely ?