Frank Shearar uploaded a new version of Tools to project The Inbox:
http://source.squeak.org/inbox/Tools-fbs.416.mcz

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

Name: Tools-fbs.416
Author: fbs
Time: 20 July 2012, 9:46:02.222 am
UUID: 8ef08c2d-bca9-45ca-9d43-7c2bff45af1d
Ancestors: Tools-cmm.414

Fix for Mantis issue 7699: deleting a system category causes a jarring leap to the top of the category list.

=============== Diff against Tools-cmm.414 ===============

Item was changed:
  ----- Method: Browser>>removeSystemCategory (in category 'system category functions') -----
  removeSystemCategory
  	"If a class category is selected, create a Confirmer so the user can 
  	verify that the currently selected class category and all of its classes
   	should be removed from the system. If so, remove it."
  
  	self hasSystemCategorySelected ifFalse: [^ self].
  	self okToChange ifFalse: [^ self].
  	(self classList size = 0
  		or: [self confirm: 'Are you sure you want to
  remove this system category 
  and all its classes?'])
  		ifTrue: 
+ 		[| nextSelectedCat |
+ 		nextSelectedCat := self systemCategoryList before: self selectedSystemCategory ifAbsent: [nil].
+ 		systemOrganizer removeSystemCategory: self selectedSystemCategory.
+ 		self selectSystemCategory: nextSelectedCat.
- 		[systemOrganizer removeSystemCategory: self selectedSystemCategory.
- 		self selectSystemCategory: nil.
  		self changed: #systemCategoryList]!