Oops, fixed MessageSend>>navigateToUsing: extension. Sigh...
--- a/tools/java/extensions/org/eclipse/jdt/internal/compiler/ast/MessageSend.st Mon Oct 07 11:27:41 2013 +0100
+++ b/tools/java/extensions/org/eclipse/jdt/internal/compiler/ast/MessageSend.st Mon Oct 07 11:29:31 2013 +0100
@@ -10,5 +10,5 @@
!(Java classForName:'org.eclipse.jdt.internal.compiler.ast.MessageSend') methodsFor:'* instance *'!
navigateToUsing: navigator
- ^ navigator navigateToMessageSend: navigator
+ ^ navigator navigateToMessageSend: self
! !