Marcel Taeumel uploaded a new version of Tools to project The Trunk:
http://source.squeak.org/trunk/Tools-mt.908.mcz

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

Name: Tools-mt.908
Author: mt
Time: 14 October 2019, 7:05:46.803144 pm
UUID: e7c21796-aca7-3e4d-9f4d-121d0f305d10
Ancestors: Tools-mt.907

Fixes an update bug in the system browsers' message category selection.

=============== Diff against Tools-mt.907 ===============

Item was changed:
  ----- Method: Browser>>defineMessageFrom:notifying: (in category 'message functions') -----
  defineMessageFrom: aString notifying: aController
  	"Compile the expressions in aString. Notify aController if a syntax error occurs. Install the compiled method in the selected class classified under  the currently selected message category name. Answer the selector obtained if compilation succeeds, nil otherwise."
  	| selectedMessageName selector category oldMessageList selectedClassOrMetaClass |
  	selectedMessageName := self selectedMessageName.
  	oldMessageList := self messageList.
  	selectedClassOrMetaClass := self selectedClassOrMetaClass.
  	contents := nil.
  	selector := (selectedClassOrMetaClass newParser parseSelector: aString).
  	(self metaClassIndicated
  		and: [(selectedClassOrMetaClass includesSelector: selector) not
  		and: [Metaclass isScarySelector: selector]])
  		ifTrue: ["A frist-time definition overlaps the protocol of Metaclasses"
  				(self confirm: ((selector , ' is used in the existing class system.
  Overriding it could cause serious problems.
  Is this really what you want to do?') asText makeBoldFrom: 1 to: selector size))
  				ifFalse: [^nil]].
  	category := selectedMessageName
  		ifNil: [ self selectedMessageCategoryName ]
  		ifNotNil: [ (selectedClassOrMetaClass >> selectedMessageName) methodReference ifNotNil: [ : ref | ref category ]].
  	selector := selectedClassOrMetaClass
  				compile: aString
  				classified: category
  				notifying: aController.
  	selector == nil ifTrue: [^ nil].
  	contents := aString copy.
+ 	
+ 	self changed: #messageCategoryList. "Because the 'as yet unclassified' might just appear."
  	self changed: #messageList. "Because we have code-dependent list formatting by now such as #isDeprecated."
+ 	
  	selector ~~ selectedMessageName
  		ifTrue: 
  			[category = ClassOrganizer nullCategory
  				ifTrue: [self changed: #classSelectionChanged.
  						self changed: #classList.
  						self messageCategoryListIndex: 1].
  			self setClassOrganizer.  "In case organization not cached"
  			(oldMessageList includes: selector)
  				ifFalse: [self changed: #messageList].
  			self messageListIndex: (self messageList indexOf: selector)].
  	^ selector!

Item was changed:
  ----- Method: Browser>>selectMessageCategoryNamed: (in category 'message category list') -----
  selectMessageCategoryNamed: aSymbol 
  	"Given aSymbol, select the category with that name.  Do nothing if 
  	aSymbol doesn't exist."
- 	selectedMessageCategoryName := aSymbol.
  	
+ 	selectedMessageCategoryName := aSymbol.
  	selectedMessageName := nil.
+ 	
  	self changed: #messageCategorySelectionChanged.
  	self changed: #messageCategoryListIndex. "update my selection"
  	self changed: #messageList.
+ 	self changed: #messageListIndex.
+ 	
  	self editSelection: (aSymbol notNil
  		ifTrue: [#newMessage]
  		ifFalse: [self hasClassSelected
  			ifTrue: [#editClass]
  			ifFalse: [#newClass]]).
  	contents := nil.
  	self contentsChanged.!