--- a/ReindexedCollection.st	Tue Mar 19 10:22:36 2013 +0100
+++ b/ReindexedCollection.st	Tue Mar 19 10:22:38 2013 +0100
@@ -211,6 +211,8 @@
 !ReindexedCollection methodsFor:'adding & removing'!
 
 add: anObject 
+    "report an error; reindexedCollections cannot add elements"
+
     self shouldNotImplement
 ! !
 
@@ -318,5 +320,6 @@
 !ReindexedCollection class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic2/ReindexedCollection.st,v 1.6 2008-01-22 15:54:20 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic2/ReindexedCollection.st,v 1.7 2013-03-19 09:22:38 cg Exp $'
 ! !
+