Levente Uzonyi uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-ul.322.mcz

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

Name: System-ul.322
Author: ul
Time: 28 April 2010, 11:48:58.524 am
UUID: 7f03b95b-18a3-3544-b79c-58335116cbe1
Ancestors: System-jcg.321

- added two missing compatibility methods

=============== Diff against System-jcg.321 ===============

Item was added:
+ ----- Method: SmalltalkImage>>keyAtValue: (in category 'dictionary access') -----
+ keyAtValue: value
+ 	"Answer the key that is the external name for the argument, value. If
+ 	there is none, answer nil."
+ 
+ 	self deprecated: 'Use Smalltalk globals'.
+ 	^globals keyAtValue: value
+ !

Item was added:
+ ----- Method: SystemDictionary>>hasSpecialSelector:ifTrueSetByte: (in category 'compatibility') -----
+ hasSpecialSelector: aLiteral ifTrueSetByte: aBlock
+ 
+ 	self deprecated: 'Use Smalltalk'.
+ 	^Smalltalk hasSpecialSelector: aLiteral ifTrueSetByte: aBlock!