2009/8/23  <commits at source.squeak.org>:
> Andreas Raab uploaded a new version of Tools to project The Trunk:
> http://source.squeak.org/trunk/Tools-rkrk.112.mcz
>
> ==================== Summary ====================
>
> Name: Tools-rkrk.112
> Author: rkrk
> Time: 24 August 2009, 3:07:54 am
> UUID: f430afae-49f9-4bbf-a776-7297ace95735
> Ancestors: Tools-rkrk.111
>
> Preferences isn't used anymore for listing classes hierarchically in the browser. Use Browser listClassesHierarchically: true to enable the feature.

Now it works.

Ian.
-- 
http://mecenia.blogspot.com/