Joshua Gargus uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-jcg.321.mcz

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

Name: System-jcg.321
Author: jcg
Time: 27 April 2010, 1:14:47.36 am
UUID: 82305d30-8760-ca40-9554-4eb47b763189
Ancestors: System-laza.320

Class comment for ObjectFinalizer.

=============== Diff against System-laza.320 ===============

Item was changed:
  MessageSend subclass: #ObjectFinalizer
  	instanceVariableNames: ''
  	classVariableNames: ''
  	poolDictionaries: ''
  	category: 'System-Finalization'!
+ 
+ !ObjectFinalizer commentStamp: 'jcg 4/27/2010 01:01' prior: 0!
+ Represents an action that is to be taken when a target object (not referenced by the ObjectFinalizer) is garbage-collected.!