Marcel Taeumel uploaded a new version of HelpSystem-Core to project The Trunk:
http://source.squeak.org/trunk/HelpSystem-Core-mt.90.mcz

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

Name: HelpSystem-Core-mt.90
Author: mt
Time: 12 August 2016, 12:28:01.727343 pm
UUID: 4ac95aa0-aa5f-334e-8f71-57b608bd5b4b
Ancestors: HelpSystem-Core-mt.89

Normalize text attributes when editing help texts via the help browser. This is necessary to produce formatted text that works well with a variety of UI themes.

=============== Diff against HelpSystem-Core-mt.89 ===============

Item was changed:
  ----- Method: HelpBrowser>>accept: (in category 'actions') -----
  accept: text
  	"Accept edited text. Compile it into a HelpTopic"
  
+ 	| code parent topicClass topicMethod normalizedText colorsToRemove |
- 	| code parent topicClass topicMethod |
  	(self currentParentTopic isNil or: [self currentParentTopic isEditable not])
  		ifTrue: [^ self inform: 'This help topic cannot be edited.'].
  	
  	self changed: #clearUserEdits.
  	
  	parent := self currentParentTopic.
  	topicClass := parent helpClass.
  	topicMethod := self currentTopic key.
+ 	normalizedText := text.
+ 	
+ 	"Remove default colors for the sake of UI themes."
+ 	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])]]).
  		
  	code := String streamContents:[:s|
  		s nextPutAll: topicMethod.
  		s crtab; nextPutAll: '"This method was automatically generated. Edit it using:"'.
  		s crtab; nextPutAll: '"', self name,' edit: ', topicMethod storeString,'"'.
  		s crtab; nextPutAll: '^HelpTopic'.
  		s crtab: 2; nextPutAll: 'title: ', currentTopic title storeString.
  		s crtab: 2; nextPutAll: 'contents: '.
+ 		s cr; nextPutAll: (String streamContents:[:c| c nextChunkPutWithStyle: normalizedText]) storeString.
- 		s cr; nextPutAll: (String streamContents:[:c| c nextChunkPutWithStyle: text]) storeString.
  		s nextPutAll:' readStream nextChunkText'.
  	].
  
  	topicClass class
  		compile: code
  		classified: ((topicClass class organization categoryOfElement: topicMethod) ifNil:['pages']).
  	
  	parent refresh.
  	parent == self rootTopic ifTrue: [self rootTopic: parent].
  	
  	self currentTopic: (parent subtopics detect: [:t | t key = topicMethod]).!