--- a/Smalltalk.st	Sat Nov 05 19:05:38 2016 +0100
+++ b/Smalltalk.st	Sat Nov 05 19:11:59 2016 +0100
@@ -3799,7 +3799,8 @@
     ParserFlags allowDollarInIdentifier:true.
     ParserFlags warnDollarInIdentifier:false.
     ParserFlags warnUnderscoreInIdentifier:false.
-
+    ParserFlags allowOldStyleAssignment:false.
+    
     "/ add bindings for arguments
     Workspace workspaceVariableAt:('_$0') put:CommandName.
     Workspace workspaceVariableAt:('_$n') put:CommandLineArguments size.