diff --git a/src/as/com/threerings/crowd/chat/client/ChatDirector.as b/src/as/com/threerings/crowd/chat/client/ChatDirector.as
index f08f5772b..38e9c2faa 100644
--- a/src/as/com/threerings/crowd/chat/client/ChatDirector.as
+++ b/src/as/com/threerings/crowd/chat/client/ChatDirector.as
@@ -325,6 +325,7 @@ public class ChatDirector extends BasicDirector
                     return result;
                 }
 
+                trace("Chatted: " + record + ", " + hist[0]);
                 if (record) {
                     // get the final history-ready command string
                     hist[0] = "/" + ((hist[0] == null) ? command : hist[0]);
diff --git a/src/as/com/threerings/presents/client/Communicator.as b/src/as/com/threerings/presents/client/Communicator.as
index 22569b4a2..9f9eeb72f 100644
--- a/src/as/com/threerings/presents/client/Communicator.as
+++ b/src/as/com/threerings/presents/client/Communicator.as
@@ -189,6 +189,7 @@ public class Communicator
      */
     protected function socketClosed (event :Event) :void
     {
+        Log.getLog(this).warning("socket was closed: " + event);
         _client.notifyObservers(ClientEvent.CLIENT_CONNECTION_FAILED);
         shutdown(null);
     }
diff --git a/src/as/com/threerings/presents/data/ConfirmMarshaller.as b/src/as/com/threerings/presents/data/ConfirmMarshaller.as
index c3f0c2953..da28e025e 100644
--- a/src/as/com/threerings/presents/data/ConfirmMarshaller.as
+++ b/src/as/com/threerings/presents/data/ConfirmMarshaller.as
@@ -8,13 +8,13 @@ public class ConfirmMarshaller extends ListenerMarshaller
     public static const REQUEST_PROCESSED :int = 1;
 
     // documetnation inherited from interfacc
-    public function requestProcessed ()
+    public function requestProcessed () :void
     {
         // TODO: server only?
     }
 
     // documetnation inherited
-    public function dispatchResponse (methodId :int, args :Array) :void
+    public override function dispatchResponse (methodId :int, args :Array) :void
     {
         switch (methodId) {
         case REQUEST_PROCESSED:
diff --git a/src/as/com/threerings/util/Cloneable.as b/src/as/com/threerings/util/Cloneable.as
new file mode 100644
index 000000000..d8ca20d73
--- /dev/null
+++ b/src/as/com/threerings/util/Cloneable.as
@@ -0,0 +1,10 @@
+package com.threerings.util {
+
+public interface Cloneable
+{
+    /**
+     * Create a clone of this object.
+     */
+    function clone () :Object;
+}
+}
diff --git a/src/as/com/threerings/whirled/data/AuxModel.as b/src/as/com/threerings/whirled/data/AuxModel.as
index 784ac235c..e7adf1f5e 100644
--- a/src/as/com/threerings/whirled/data/AuxModel.as
+++ b/src/as/com/threerings/whirled/data/AuxModel.as
@@ -21,17 +21,15 @@
 
 package com.threerings.whirled.data {
 
+import com.threerings.util.Cloneable;
+
 import com.threerings.io.Streamable;
 
 /**
  * An interface that must be implemented by auxiliary scene models.
  */
-public interface AuxModel extends Streamable /*, Cloneable*/
+public interface AuxModel extends Streamable, Cloneable
 {
-    /**
-     * Creates a clone of this auxiliary model.
-     */
-    function clone () :Object;
-        //throws CloneNotSupportedException;
+    // no new methods
 }
 }
diff --git a/src/as/com/threerings/whirled/data/SceneModel.as b/src/as/com/threerings/whirled/data/SceneModel.as
index 97f38acd8..b4f8cc64b 100644
--- a/src/as/com/threerings/whirled/data/SceneModel.as
+++ b/src/as/com/threerings/whirled/data/SceneModel.as
@@ -22,6 +22,7 @@
 package com.threerings.whirled.data {
 
 import com.threerings.util.ClassUtil;
+import com.threerings.util.Cloneable;
 
 import com.threerings.io.ObjectInputStream;
 import com.threerings.io.ObjectOutputStream;
@@ -38,7 +39,7 @@ import com.threerings.io.TypedArray;
  * server to the client.
  */
 public class SceneModel
-    implements Streamable /*, Cloneable */
+    implements Streamable, Cloneable
 {
     /** This scene's unique identifier. */
     public var sceneId :int;
@@ -64,7 +65,7 @@ public class SceneModel
         auxModels.push(auxModel);
     }
 
-    // documentation inherited
+    // documentation inherited from interface Cloneable
     public function clone () :Object
     {
         var clazz :Class = ClassUtil.getClass(this);
diff --git a/src/as/com/threerings/whirled/spot/data/Location.as b/src/as/com/threerings/whirled/spot/data/Location.as
index 79390a316..5a5c0dc92 100644
--- a/src/as/com/threerings/whirled/spot/data/Location.as
+++ b/src/as/com/threerings/whirled/spot/data/Location.as
@@ -23,12 +23,13 @@ package com.threerings.whirled.spot.data {
 
 import com.threerings.io.Streamable;
 
+import com.threerings.util.Cloneable;
 import com.threerings.util.Hashable;
 
 /**
  * Contains information on a scene occupant's position and orientation.
  */
-public interface Location extends Streamable, Hashable
+public interface Location extends Cloneable, Streamable, Hashable
 {
     /**
      * Get a new Location instance that is equals() to this one but that
@@ -42,9 +43,10 @@ public interface Location extends Streamable, Hashable
      */
     function equivalent (other :Location) :Boolean;
 
-    /**
-     * Locations are cloneable.
-     */
-    function clone () :Object;
+    /** Two locations are equals by coordinates only. */
+    //function equals (other :Object) :Boolean;
+
+    /** The hashcode should be based on coordinates only. */
+    //function hashCode () :int;
 }
 }
diff --git a/src/as/com/threerings/whirled/spot/data/SpotMarshaller.as b/src/as/com/threerings/whirled/spot/data/SpotMarshaller.as
index 41e4b70b2..8f79a4f7e 100644
--- a/src/as/com/threerings/whirled/spot/data/SpotMarshaller.as
+++ b/src/as/com/threerings/whirled/spot/data/SpotMarshaller.as
@@ -21,6 +21,9 @@
 
 package com.threerings.whirled.spot.data {
 
+import com.threerings.util.Byte;
+import com.threerings.util.Integer;
+
 import com.threerings.presents.client.Client;
 import com.threerings.presents.client.InvocationService;
 import com.threerings.presents.client.ConfirmListener;
@@ -29,7 +32,7 @@ import com.threerings.presents.data.ConfirmMarshaller;
 import com.threerings.presents.dobj.InvocationResponseEvent;
 import com.threerings.whirled.client.SceneService;
 import com.threerings.whirled.client.SceneService_SceneMoveListener;
-import com.threerings.whirled.data.SceneMarshaller;
+import com.threerings.whirled.data.SceneMarshaller_SceneMoveMarshaller;
 import com.threerings.whirled.spot.client.SpotService;
 import com.threerings.whirled.spot.data.Location;
 
@@ -73,7 +76,7 @@ public class SpotMarshaller extends InvocationMarshaller
     // documentation inherited from interface
     public function joinCluster (arg1 :Client, arg2 :int, arg3 :ConfirmListener) :void
     {
-        var listener3 :ConfirmMarshaller listener3 = new ConfirmMarshaller();
+        var listener3 :ConfirmMarshaller = new ConfirmMarshaller();
         listener3.listener = arg3;
         sendRequest(arg1, JOIN_CLUSTER, [
             new Integer(arg2), listener3