diff --git a/collects/framework/private/color.ss b/collects/framework/private/color.ss
index f04db6a4..deb458a7 100644
--- a/collects/framework/private/color.ss
+++ b/collects/framework/private/color.ss
@@ -28,6 +28,11 @@
         (interface ()
           start-colorer
           stop-colorer
+          force-stop-colorer
+          
+          freeze-colorer
+          thaw-colorer
+
           reset-region
           update-region-end))