--- a/UndefObj.st	Fri Jan 16 19:39:35 1998 +0100
+++ b/UndefObj.st	Sat Jan 17 14:44:39 1998 +0100
@@ -191,9 +191,18 @@
     self error:'nil may not have dependents'
 !
 
+dependents
+    "nil has no dependents"
+
+    ^#()
+!
+
 removeDependent:someObject
     "ignored here - nil has no dependents"
+!
 
+release
+    "ignored here - nil has no dependents"
 ! !
 
 !UndefinedObject methodsFor:'error catching'!
@@ -465,6 +474,6 @@
 !UndefinedObject class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/Attic/UndefObj.st,v 1.33 1998-01-12 14:02:40 ca Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/Attic/UndefObj.st,v 1.34 1998-01-17 13:44:39 cg Exp $'
 ! !
 UndefinedObject initialize!

--- a/UndefinedObject.st	Fri Jan 16 19:39:35 1998 +0100
+++ b/UndefinedObject.st	Sat Jan 17 14:44:39 1998 +0100
@@ -191,9 +191,18 @@
     self error:'nil may not have dependents'
 !
 
+dependents
+    "nil has no dependents"
+
+    ^#()
+!
+
 removeDependent:someObject
     "ignored here - nil has no dependents"
+!
 
+release
+    "ignored here - nil has no dependents"
 ! !
 
 !UndefinedObject methodsFor:'error catching'!
@@ -465,6 +474,6 @@
 !UndefinedObject class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.33 1998-01-12 14:02:40 ca Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/UndefinedObject.st,v 1.34 1998-01-17 13:44:39 cg Exp $'
 ! !
 UndefinedObject initialize!