Some documentation available now

 From:  Michael Gibson
931.21 In reply to 931.20 
> I think it's a typing error and the correct value is 0.005 units.

Oops, thanks for catching that Petr, I've fixed it up now.

I also fixed up that one bug you mentioned about tapping Alt.

Not too much more to go to complete this reference section, I will be glad when it is done...

- Michael