Marcel Taeumel uploaded a new version of ToolBuilder-Kernel to project The Trunk:
http://source.squeak.org/trunk/ToolBuilder-Kernel-mt.132.mcz

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

Name: ToolBuilder-Kernel-mt.132
Author: mt
Time: 18 September 2019, 4:54:47.269955 pm
UUID: 64a42905-ca5e-3e42-b14f-45fa808ed3fb
Ancestors: ToolBuilder-Kernel-mt.131

Also debugger-tools should return their tool window through the ToolBuilder interface.

=============== Diff against ToolBuilder-Kernel-mt.131 ===============

Item was changed:
  ----- Method: ToolBuilder>>openDebugger: (in category 'opening') -----
  openDebugger: aSpec
  	"Build and open a debugger from the given spec.
  	Answer the widget opened. Subclasses can override this
  	method if opening a debugger has specific requirements
  	different from opening other widgets."
   
+ 	^ self open: aSpec
- 	self open: aSpec
  !

Item was changed:
  ----- Method: ToolBuilder>>openDebugger:label:closing: (in category 'opening') -----
  openDebugger: aSpec label: aString closing: topView
  	"Build and open a debugger from the given spec, labeling it appropriately.
  	Answer the widget opened. Subclasses can override this
  	method if opening a debugger has specific requirements
  	different from opening other widgets."
   
  	self close: topView.
+ 	^ self open: aSpec label: aString
- 	self open: aSpec label: aString
  !