A new version of Kernel was added to project The Inbox:
http://source.squeak.org/inbox/Kernel-cwp.709.mcz

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

Name: Kernel-cwp.709
Author: cwp
Time: 13 August 2012, 3:53:33.041 pm
UUID: 9a72beb4-7bfd-498b-b166-731155ad5180
Ancestors: Kernel-eem.708

Remove support for per-class settings of #allowUnderscoreSelectors.

=============== Diff against Kernel-eem.708 ===============

Item was removed:
- ----- Method: Behavior>>allowUnderscoreSelectors (in category 'compiling') -----
- allowUnderscoreSelectors
- 	"Return true if the receiver and its subclasses should be allowed to use underscore in selectors. Returning nil here means that the compiler should use the system-wide default preference. Also see #allowUnderscoreAssignments.
- 
- 	Combinations: If both preferences are false, underscore is illegal. If both preferences are true, underscore assignment needs the be surrounded by spaces and a single underscore cannot be used as selector."
- 	^nil!