[Etoys] Performance improvements form 3.9 (backported) #3

[Yoshiki Ohshima]

  Scott,

> > (2)  I have reservations about the SubMorphCopy change-set  
> > (1075SubMorphCopy-md).
> 
>   Hmm.  We can revert this.  Array>>copy is two times faster, it
> will offset this.  After B-test, we can get it in again.

  Thank you for putting the change.

  BTW, this is the first time to see the word "rescind".  I submit a
patch to rescind another issue came up with this morning.

-- Yoshiki