G.J.Tielemans at dinkel.utwente.nl wrote:
> What is the real effect of this? Do you double other classes by making a
> xerox of it?
> 


Let's see... the current mechanism makes you a new subclass of the morph
you clicked on.  So if you apply the operation repeatedly, you'll get a
deeper and deeper chain of subclasses.

The method in question is #subclassMorph.

-Lex