Marcel Taeumel uploaded a new version of Tools to project The Trunk:
http://source.squeak.org/trunk/Tools-mt.910.mcz

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

Name: Tools-mt.910
Author: mt
Time: 29 October 2019, 12:39:01.998604 pm
UUID: 981eb775-0636-d744-b7bf-8f13d72351b1
Ancestors: Tools-mt.909

Fixes (a regression in) list selection in change-list tool. It is not the job of the model to implement toggle in a multi-selection setting. The model only has to react to index selector and selection-list selectors.

=============== Diff against Tools-mt.909 ===============

Item was changed:
  ----- Method: ChangeList>>listSelectionAt:put: (in category 'viewing access') -----
  listSelectionAt: index put: value
  
+ 	listSelections at: index put: value.
+ 	self changed: #listIndex.!
- 	^ listSelections at: index put: value!

Item was changed:
  ----- Method: ChangeList>>toggleListIndex: (in category 'viewing access') -----
  toggleListIndex: newListIndex
  
+ 	listIndex = newListIndex ifTrue: [^ self].
- 	listIndex ~= 0 ifTrue: [listSelections at: listIndex put: false].
- 	newListIndex ~= 0 ifTrue: [listSelections at: newListIndex put: true].
  	listIndex := newListIndex.
+ 
  	self changed: #listIndex.
  	self contentsChanged!