Marcel Taeumel uploaded a new version of HelpSystem-Core to project The Trunk:
http://source.squeak.org/trunk/HelpSystem-Core-ct.117.mcz

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

Name: HelpSystem-Core-ct.117
Author: ct
Time: 20 September 2019, 7:53:36.226726 pm
UUID: 7f73f090-17d8-8843-bbff-03e67c26e396
Ancestors: HelpSystem-Core-mt.116

Convenience method for subtopic lookup

=============== Diff against HelpSystem-Core-mt.116 ===============

Item was added:
+ ----- Method: AbstractHelpTopic>>subtopicAt: (in category 'accessing') -----
+ subtopicAt: key
+ 
+ 	^ self subtopics detect: [:topic | topic key = key]!

Item was changed:
  ----- Method: HelpBrowser>>accept: (in category 'actions') -----
  accept: text
  	"Accept edited text. Compile it into a HelpTopic"
  
  	| parent currentKey normalizedText colorsToRemove |
  	((self currentParentTopic isNil or: [self currentParentTopic isEditable not])
  		or: [self currentTopic isEditable not])
  			ifTrue: [^ self inform: 'This help topic cannot be edited.'].
  	
  	self changed: #clearUserEdits.
  	
  	"Remove default colors for the sake of UI themes."
  	normalizedText := text.
  	colorsToRemove := {Color black. Color white}.
  	normalizedText runs: (normalizedText runs collect: [:attributes | attributes reject: [:attribute |
  			(((attribute respondsTo: #color) and: [colorsToRemove includes: attribute color])
  				or: [attribute respondsTo: #font])]]).
  
  	parent := self currentParentTopic.
  	currentKey := self currentTopic key.
  
  	isUpdating := true.
  
  	parent accept: normalizedText for: self currentTopic.
  	parent refresh.
  	parent == self rootTopic ifTrue: [self rootTopic: parent].
  	
  	isUpdating := false.
  	
+ 	self currentTopic: (parent subtopicAt: currentKey).!
- 	self currentTopic: (parent subtopics detect: [:t | t key = currentKey]).!