A new version of Collections was added to project The Inbox:
http://source.squeak.org/inbox/Collections-cbc.581.mcz

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

Name: Collections-cbc.581
Author: cbc
Time: 29 August 2014, 7:39:32.599 am
UUID: a38b6f89-e4f2-7b4b-99d3-eeafa9c35445
Ancestors: Collections-nice.580

Fix #basicUpTo: to call #upTo: instead of #next:

=============== Diff against Collections-nice.580 ===============

Item was changed:
  ----- Method: PositionableStream>>basicUpTo: (in category 'accessing - multibyte support') -----
  basicUpTo: anObject
  
+ 	^self upTo: anObject
- 	^self next: anObject
  !