Ineffective lazy screenRect

[hh]

> > Richmond M. wrote:
> > Had that happened initially I would not have started this thread.

> Mark Wieder wrote:  
> I think there's a valuable lesson to be learned here. I'm not sure
> what it is. 

I wrote also things to the use-list (mostly silly typos) I wished a
few seconds later I could correct them.
The ability to correct things easier is one reason I like the forum
more than the use-list (relates to the environment, not the members).