20478 ----- Issue 7280: When changing the superclasss the class comment and all method categories of all subclasses are gone http://code.google.com/p/pharo/issues/detail?id=7280 Issue 6686: Nautilus should use Dropdown, Tabs or Checkbox to indicate Class/instance-side http://code.google.com/p/pharo/issues/detail?id=6686 Diff information: http://ss3.gemstone.com/ss/Pharo20/Polymorph-Widgets-MarcusDenker.753.diff http://ss3.gemstone.com/ss/Pharo20/NautilusCommon-MarcusDenker.107.diff http://ss3.gemstone.com/ss/Pharo20/Nautilus-MarcusDenker.396.diff http://ss3.gemstone.com/ss/Pharo20/Kernel-MarcusDenker.1286.diff