At a number of places in the code, we have effectively reimplemented Lumino's Widget.attach and Widget.detach,
but omitted the checks that Lumino expects to be performed for those operations. That is a bad idea, because it
means that we are telling widgets that they are attached or detached when not all the conditions that should apply
do apply. We should explicitly mark those locations so that we know where we should go fix them later.
At a number of places in the code, we have effectively reimplemented Lumino's Widget.attach and Widget.detach, but omitted the checks that Lumino expects to be performed for those operations. That is a bad idea, because it means that we are telling widgets that they are attached or detached when not all the conditions that should apply do apply. We should explicitly mark those locations so that we know where we should go fix them later.