diff --git a/collects/mred/mred.ss b/collects/mred/mred.ss
index 1463dc4c..1babb1eb 100644
--- a/collects/mred/mred.ss
+++ b/collects/mred/mred.ss
@@ -2606,7 +2606,9 @@
 		  ((void) after-set-position)
 		  (#t can-set-size-constraint?)
 		  ((void) on-set-size-constraint)
-		  ((void) after-set-size-constraint))
+		  ((void) after-set-size-constraint)
+		  ((void) after-split-snip s)
+		  ((void) after-merge-snips s))
       
       (super-make-object line-spacing tab-stops)
       (when aw?
diff --git a/collects/mred/private/kernel.ss b/collects/mred/private/kernel.ss
index 379f278a..33d15479 100644
--- a/collects/mred/private/kernel.ss
+++ b/collects/mred/private/kernel.ss
@@ -749,6 +749,8 @@
     find-wordbreak
     set-region-data
     get-region-data
+    after-merge-snips
+    after-split-snip
     after-set-size-constraint
     on-set-size-constraint
     can-set-size-constraint?