Frank Shearar uploaded a new version of Compiler to project The Trunk:
http://source.squeak.org/trunk/Compiler-fbs.265.mcz

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

Name: Compiler-fbs.265
Author: fbs
Time: 5 August 2013, 6:55:53.738 pm
UUID: 00961f9b-78a5-43a7-aca1-2aeb683d9352
Ancestors: Compiler-fbs.264

Split SyntaxErrorNotification across Compiler and System by moving the #defaultAction to the System package. This way System overrides/monkey-patches Compiler.

http://bugs.squeak.org/view.php?id=4795

=============== Diff against Compiler-fbs.264 ===============

Item was removed:
- ----- Method: SyntaxErrorNotification>>defaultAction (in category 'exceptionDescription') -----
- defaultAction
- 	^ToolSet debugSyntaxError: self!