from preamble:

"Change Set:		RemoveFlexShell
Date:			29 March 2004
Author:			Masashi Umezawa

To add a flex shell to a morph, you do:

	self addFlexShell.

However, to remove the shell, you have to:

	self isFlexed
		ifTrue: [self owner removeFlexShell].

It is asymmetrical, awkward, I think. 

Now you can:

	self removeFlexShell.

"!
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