David T. Lewis uploaded a new version of Environments to project The Trunk: http://source.squeak.org/trunk/Environments-dtl.72.mcz
==================== Summary ====================
Name: Environments-dtl.72 Author: dtl Time: 17 March 2018, 3:09:49.564301 pm UUID: e9aed004-8798-41c0-83f9-a04f5963dd55 Ancestors: Environments-jr.71, Environments-fbs.27
Merge Environments-fbs.27
=============== Diff against Environments-jr.71 ===============
Item was added: + ----- Method: Environment>>rootClasses (in category 'accessing') ----- + rootClasses + "return a collection of classes which have a nil superclass" + ^ (self select: [:each | each isBehavior and: [each superclass isNil]]) asOrderedCollection.!
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