A new version of Collections was added to project The Inbox:
http://source.squeak.org/inbox/Collections-CW.640.mcz

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

Name: Collections-CW.640
UUID: a0706e52-62c7-4ec4-b22b-6d99aa062158
Ancestors: Collections-cmm.639

constantNameFor: handles all untypeable characters

=============== Diff against Collections-cmm.639 ===============

Item was changed:
  ----- Method: Character class>>constantNames (in category 'private') -----
  constantNames
+ 
+ 	^ self class organization listAtCategoryNamed: 'accessing untypeable characters'
+ !
- 	^ #( backspace cr delete escape lf null newPage space tab ).!