Nicolas Cellier uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-nice.280.mcz

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

Name: Kernel-nice.280
Author: nice
Time: 22 October 2009, 2:31:58 am
UUID: fb4786ea-1e65-6449-88c5-b6d62f89657e
Ancestors: Kernel-jcg.279

Refactor #whichClassDefinesClassVar:
The class var name is a Symbol, so
- first test if such a Symbol exists
- second test directly = aSymbol rather than converting asString

=============== Diff against Kernel-jcg.279 ===============

Item was changed:
  ----- Method: Behavior>>whichClassDefinesClassVar: (in category 'queries') -----
  whichClassDefinesClassVar: aString 
+ 	Symbol hasInterned: aString ifTrue: [ :aSymbol |
+ 		^self whichSuperclassSatisfies: 
- 	^self whichSuperclassSatisfies: 
  			[:aClass | 
+ 			aClass classVarNames anySatisfy: [:each | each = aSymbol]]].
+ 	^nil!
- 			(aClass classVarNames collect: [:each | each asString]) 
- 				includes: aString asString]!