diff --git a/CHANGES b/CHANGES
index 75cc85193e..41a98f39c1 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+ 528.	[func]		The ISC_LIST_XXXX macros now perform sanity checks
+			on their arguements.  ISC_LIST_XXXXUNSAFE can be use
+			to skip the checks however use with caution.
+
  527.	[func]		New function dns_rdata_clone().
 
  526.	[bug]		nsupdate incorrectly refused to add RRs with a TTL
diff --git a/lib/isc/include/isc/list.h b/lib/isc/include/isc/list.h
index 5a5757629a..f70884f5de 100644
--- a/lib/isc/include/isc/list.h
+++ b/lib/isc/include/isc/list.h
@@ -15,14 +15,14 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: list.h,v 1.14 2000/10/20 01:57:57 marka Exp $ */
+/* $Id: list.h,v 1.15 2000/10/20 13:35:56 marka Exp $ */
 
 #ifndef ISC_LIST_H
 #define ISC_LIST_H 1
 #include <isc/boolean.h>
 #include <isc/assertions.h>
 
-#if 0
+#if 1
 #define ISC_LINK_INSIST(x) ISC_INSIST(x)
 #else
 #define ISC_LINK_INSIST(x)