Levente Uzonyi uploaded a new version of Collections to project The Trunk:
http://source.squeak.org/trunk/Collections-ul.252.mcz

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

Name: Collections-ul.252
Author: ul
Time: 14 December 2009, 2:55:19 am
UUID: c3608b76-4031-4b47-b4c2-c9f0d413f81c
Ancestors: Collections-nice.251

- fix: let WideString >> #replaceFrom:to:with:startingAt: use the primitive if replacement is a ByteString

=============== Diff against Collections-nice.251 ===============

Item was changed:
  ----- Method: WideString>>replaceFrom:to:with:startingAt: (in category 'accessing') -----
  replaceFrom: start to: stop with: replacement startingAt: repStart 
  
  	<primitive: 105>
+ 	replacement class == ByteString ifTrue: [
+ 		^self replaceFrom: start to: stop with: replacement asWideString startingAt: repStart ]. 
+ 	^super replaceFrom: start to: stop with: replacement startingAt: repStart.
- 	replacement class == String ifTrue: [
- 		^ self replaceFrom: start to: stop with: (replacement asWideString) startingAt: repStart.
- 	]. 
- 
- 	^ super replaceFrom: start to: stop with: replacement startingAt: repStart.
  !