Tobias Pape uploaded a new version of ToolBuilder-Morphic to project The Trunk:
http://source.squeak.org/trunk/ToolBuilder-Morphic-topa.148.mcz

==================== Summary ====================

Name: ToolBuilder-Morphic-topa.148
Author: topa
Time: 8 July 2015, 5:37:50.515 pm
UUID: 2cf8d051-bfc7-4fa0-9a3b-b3a01a7638ba
Ancestors: ToolBuilder-Morphic-mt.147

Cope for ToolBuilder-Kernel-topa.90

=============== Diff against ToolBuilder-Morphic-mt.147 ===============

Item was changed:
  ----- Method: MorphicToolBuilder>>buildPluggableSpacer: (in category 'widgets required') -----
  buildPluggableSpacer: spec
  
  	| widget |
  	widget := self spacerClass new.
  	self register: widget id: spec name.
  	
  	widget borderWidth: 0.
+ 	widget color: (spec color ifNil: [Color transparent]).
- 	widget color: spec color.
  	widget extent: spec extent.
  
  	self buildHelpFor: widget spec: spec. 
  	
  	self setFrame: spec frame in: widget.
  	self setLayoutHintsFor: widget spec: spec.
  		
  	parent ifNotNil:[self add: widget to: parent].
  	^widget!