--- a/extensions.st	Thu Aug 08 23:32:39 2013 +0100
+++ b/extensions.st	Thu Aug 15 15:26:59 2013 +0100
@@ -75,7 +75,9 @@
 childNamesAndValuesDo:aBlock
     "superclass ParseNode says that I am responsible to implement this method"
 
-    ^ self shouldImplement
+    ^ children do: aBlock
+
+    "Modified: / 15-08-2013 / 11:42:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"
 ! !
 
 !ParseNode methodsFor:'enumeration'!