David T. Lewis uploaded a new version of Collections to project The Trunk:
http://source.squeak.org/trunk/Collections-dtl.276.mcz

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

Name: Collections-dtl.276
Author: dtl
Time: 9 January 2010, 6:12:34 am
UUID: 77fae7af-c5f8-4fe8-b328-680cdd71115f
Ancestors: Collections-ar.275

Preserve #fullCheck for compatibility with external packages (i.e., extension methods in Dictionary etc). Important for SystemTracing package loading.

=============== Diff against Collections-ar.275 ===============

Item was added:
+ ----- Method: HashedCollection>>fullCheck (in category 'compatibility') -----
+ fullCheck
+ 	"This is a private method, formerly implemented in Set, that is no longer required.
+ 	It is here for compatibility with external packages only."
+ 	^ self
+ !