Helge Horch wrote:

> Q2: How would I go about moving (and removing) tile groups in the new
> style?  Grabbing and dragging tiles and tile groups always drags a
> copy.  Hmm.  The northeast arrow that appears when a tile group is selected
> might do that -- but no:  Grabbing that I get a #detect: failure in
> SyntaxMorph>>retract.


Backspace seems to delete at least some of them. 

Karl