The halo menu was displaying debug... two times.
I commented out a line to fix this.
Small artifact: When in Novice mode the halo menu has a line at the
bottom :-( Could not find that line in the mess ;-)

Karl
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'From Squeak2.8alpha of 19 February 2000 [latest update: #2052] on 3 May 2000 at 2:47:07 pm'!

!Morph methodsFor: 'menus' stamp: 'kfr 5/3/2000 14:22'!
addCustomMenuItems: aCustomMenu hand: aHandMorph
	"Add morph-specific items to the given menu which was invoked by the given hand."

	aCustomMenu add: 'add drop-shadow' action: #addDropShadow.
	(self isKindOf: SystemWindow)
		ifFalse: [aCustomMenu add: 'put in a window' action: #embedInWindow].
	aCustomMenu addUpdating: #stickinessString target: self action: #toggleStickiness.
	aCustomMenu add: 'adhere to edge...' action: #adhereToEdge.
	"Preferences noviceMode ifFalse:
		[self addDebuggingItemsTo: aCustomMenu hand: aHandMorph]."
! !