Levente Uzonyi uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-ul.447.mcz

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

Name: Kernel-ul.447
Author: ul
Time: 28 April 2010, 10:01:34.283 am
UUID: e4508c46-01d1-b943-8c11-b4a471f12488
Ancestors: Kernel-ar.446

- use #quo: and #rem: instead of #// and #\\ to handle negative arguments properly in Duration class >> #milliSeconds:
- also removed the method comment which was obsolete

=============== Diff against Kernel-ar.446 ===============

Item was changed:
  ----- Method: Duration class>>milliSeconds: (in category 'squeak protocol') -----
  milliSeconds: milliCount 
+ 	
+ 	^self
+ 		seconds: (milliCount quo: 1000)
+ 		nanoSeconds: (milliCount rem: 1000) * NanosInMillisecond!
- 	"Since seconds is 0 we can call the instance directly."
- 	^ self
- 		seconds: milliCount // 1000
- 		nanoSeconds: (milliCount \\ 1000)*NanosInMillisecond!