diff --git a/ChangeLog b/ChangeLog
index 3255799e7..274bf153b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Thu Sep 16 19:20:00 1999  Richard Frith-Macdonald <richard@brainstorm.co.uk>
+
+	Change request from Helge
+	* Source/externs.m: added NSNonRetainedObjectMapValueCallBacks
+	* Headers/Foundation/NSMapTable.h: ditto.
+
 Thu Sep 16  8:40:00 1999  Richard Frith-Macdonald <richard@brainstorm.co.uk>
 
 	Changes to minimise naming conflicts by making sure that all ivars
diff --git a/Headers/gnustep/base/NSMapTable.h b/Headers/gnustep/base/NSMapTable.h
index b443bb00a..83ef8f967 100644
--- a/Headers/gnustep/base/NSMapTable.h
+++ b/Headers/gnustep/base/NSMapTable.h
@@ -108,6 +108,9 @@ extern const NSMapTableValueCallBacks NSIntMapValueCallBacks;
 /* For values that are pointers not freed. */
 extern const NSMapTableValueCallBacks NSNonOwnedPointerMapValueCallBacks;
 
+/* For sets of objects without retaining and releasing. */
+extern const NSMapTableValueCallBacks NSNonRetainedObjectMapValueCallBacks;
+
 /* For values that are objects. */
 extern const NSMapTableValueCallBacks NSObjectMapValueCallBacks;
 
diff --git a/Source/externs.m b/Source/externs.m
index dfee09f39..9deb75262 100644
--- a/Source/externs.m
+++ b/Source/externs.m
@@ -236,6 +236,13 @@ const NSMapTableValueCallBacks NSNonOwnedPointerMapValueCallBacks =
   (NSMT_describe_func_t) _NS_non_owned_void_p_describe
 };
 
+const NSMapTableValueCallBacks NSNonRetainedObjectMapValueCallBacks = 
+{
+  (NSMT_retain_func_t) _NS_non_retained_id_retain,
+  (NSMT_release_func_t) _NS_non_retained_id_release,
+  (NSMT_describe_func_t) _NS_non_retained_id_describe
+};
+
 const NSMapTableValueCallBacks NSObjectMapValueCallBacks = 
 {
   (NSMT_retain_func_t) _NS_id_retain,