Marcel Taeumel uploaded a new version of HelpSystem-Core to project The Trunk:
http://source.squeak.org/trunk/HelpSystem-Core-mt.80.mcz==================== Summary ====================
Name: HelpSystem-Core-mt.80
Author: mt
Time: 10 November 2015, 3:13:36.687 pm
UUID: 43cd4565-4454-4ac8-8c8f-d95a1c1bd7af
Ancestors: HelpSystem-Core-cmm.79
Add dependents in help topic wrappers to make callback work because it was removed from base class to avoid memory overhead.
=============== Diff against HelpSystem-Core-cmm.79 ===============
Item was added:
+ ----- Method: HelpTopicListItemWrapper>>setItem: (in category 'initialization') -----
+ setItem: anObject
+
+ item ifNotNil: [:obj | obj removeDependent: self].
+ super setItem: anObject.
+ item ifNotNil: [:obj | obj addDependent: self].!