'From Squeak3.8alpha of ''17 July 2004'' [latest update: #6315] on 14 October 2004 at 10:38:05 am'! "Change Set: someClassCatCleanups-md.cs Date: 14 October 2004 Author: Marcus Denker just moves the TabBar classes to Morphic-Widget and PointerExplorer to Tools-Explorer"! "Postscript:" SystemOrganization classify: #PluggableTabButtonMorph under: 'Morphic-Widgets'. SystemOrganization classify: #PluggableTabBarMorph under: 'Morphic-Widgets'. SystemOrganization removeSystemCategory: 'PTabBarMorph'. SystemOrganization classify: #PointerExplorer under: 'Tools-Explorer'. SystemOrganization classify: #PointerExplorerWrapper under: 'Tools-Explorer'. SystemOrganization removeSystemCategory: 'Tools-PointerExplorer'!