diff -r 454b1b94a48e -r bcf183a31bbb IdentityDictionary.st
--- a/IdentityDictionary.st	Sun Jan 09 22:16:16 1994 +0100
+++ b/IdentityDictionary.st	Sun Jan 09 22:17:33 1994 +0100
@@ -26,7 +26,7 @@
 Since compare is on identity keys, hashing is also done via
 identityHash instead of hash.
 
-$Header: /cvs/stx/stx/libbasic/IdentityDictionary.st,v 1.5 1993-12-11 00:49:19 claus Exp $
+$Header: /cvs/stx/stx/libbasic/IdentityDictionary.st,v 1.6 1994-01-09 21:17:23 claus Exp $
 
 written jul 92 by claus
 '!
@@ -39,7 +39,7 @@
      This is a slow access, since there is no fast reverse mapping"
 
     keyArray keysAndValuesDo:[:index :aKey |
-        aKey notNil ifTrue:[
+        (aKey notNil and:[aKey ~~ DeletedEntry]) ifTrue:[
             (valueArray at:index) == aValue ifTrue:[^ aKey].
         ]
     ].
@@ -63,6 +63,10 @@
     index := startIndex.
     [true] whileTrue:[
         probe := keyArray basicAt:index.
+        probe == DeletedEntry ifTrue:[
+            keyArray basicAt:index put:nil.
+            ^ index
+        ].
         (probe isNil or: [probe == key]) ifTrue:[^ index].
 
         index == length ifTrue:[