--- a/UndefinedObject.st	Tue Jul 27 11:08:07 2010 +0200
+++ b/UndefinedObject.st	Wed Jul 28 19:20:51 2010 +0200
@@ -209,10 +209,11 @@
 !UndefinedObject methodsFor:'dependents access'!
 
 addDependent:someObject
-    "raise an error here - nil may not have dependents"
+    "raise an error here - nil may not have dependents (it never changes anyway)"
 
     self error:'nil may not have dependents' mayProceed:true
 
+    "Modified: / 28-07-2010 / 19:20:36 / cg"
 !
 
 dependents
@@ -229,6 +230,7 @@
     "ignored here - nil has no dependents"
 ! !
 
+
 !UndefinedObject methodsFor:'error catching'!
 
 basicAt:index
@@ -289,6 +291,7 @@
     ^ 0
 ! !
 
+
 !UndefinedObject methodsFor:'subclass creation'!
 
 nilSubclass:action
@@ -688,7 +691,11 @@
 !UndefinedObject class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.70 2009-07-30 10:31:04 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.71 2010-07-28 17:20:51 cg Exp $'
+!
+
+version_CVS
+    ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.71 2010-07-28 17:20:51 cg Exp $'
 ! !
 
 UndefinedObject initialize!