diff --git a/src/as/com/threerings/crowd/data/LocationMarshaller.as b/src/as/com/threerings/crowd/data/LocationMarshaller.as
index 6d0f82dfb..f568d2e8f 100644
--- a/src/as/com/threerings/crowd/data/LocationMarshaller.as
+++ b/src/as/com/threerings/crowd/data/LocationMarshaller.as
@@ -55,7 +55,7 @@ public class LocationMarshaller extends InvocationMarshaller
     // documentation inherited from interface
     public function moveTo (arg1 :Client, arg2 :int, arg3 :MoveListener) :void
     {
-        var listener3 :MoveMarshaller = new MoveMarshaller();
+        var listener3 :LocationMarshaller_MoveMarshaller = new LocationMarshaller_MoveMarshaller();
         listener3.listener = arg3;
         sendRequest(arg1, MOVE_TO, [ new Integer(arg2), listener3 ]);
     }
diff --git a/src/as/com/threerings/crowd/data/MoveMarshaller.as b/src/as/com/threerings/crowd/data/LocationMarshaller_MoveMarshaller.as
similarity index 89%
rename from src/as/com/threerings/crowd/data/MoveMarshaller.as
rename to src/as/com/threerings/crowd/data/LocationMarshaller_MoveMarshaller.as
index ba94816e1..3e7dc3df2 100644
--- a/src/as/com/threerings/crowd/data/MoveMarshaller.as
+++ b/src/as/com/threerings/crowd/data/LocationMarshaller_MoveMarshaller.as
@@ -4,7 +4,7 @@ import com.threerings.presents.data.ListenerMarshaller;
 
 import com.threerings.crowd.client.MoveListener
 
-public class MoveMarshaller extends ListenerMarshaller
+public class LocationMarshaller_MoveMarshaller extends ListenerMarshaller
 {
     /** The method id used to dispatch {@link #moveSucceeded}
      * responses. */
diff --git a/src/as/com/threerings/crowd/data/OccupantInfo.as b/src/as/com/threerings/crowd/data/OccupantInfo.as
index 808610a95..d331c5f79 100644
--- a/src/as/com/threerings/crowd/data/OccupantInfo.as
+++ b/src/as/com/threerings/crowd/data/OccupantInfo.as
@@ -24,7 +24,7 @@ package com.threerings.crowd.data {
 import com.threerings.util.Integer;
 import com.threerings.util.Name;
 
-import com.threerings.presents.dobj.DSetEntry;
+import com.threerings.presents.dobj.DSet_Entry;
 
 import com.threerings.crowd.data.BodyObject;
 
@@ -48,7 +48,7 @@ import com.threerings.io.ObjectOutputStream;
  * is requested.
  */
 public class OccupantInfo
-    implements DSetEntry
+    implements DSet_Entry
 {
     /** Constant value for {@link #status}. */
     public static const ACTIVE :int = 0;
@@ -77,7 +77,7 @@ public class OccupantInfo
         return bodyOid.value;
     }
 
-    // documentation inherited from interface DSetEntry
+    // documentation inherited from interface DSet_Entry
     public function getKey () :Object
     {
         return bodyOid;
diff --git a/src/as/com/threerings/crowd/data/PlaceObject.as b/src/as/com/threerings/crowd/data/PlaceObject.as
index 5c2fb63d7..53b950488 100644
--- a/src/as/com/threerings/crowd/data/PlaceObject.as
+++ b/src/as/com/threerings/crowd/data/PlaceObject.as
@@ -29,7 +29,7 @@ import com.threerings.io.ObjectOutputStream;
 
 import com.threerings.presents.dobj.DObject;
 import com.threerings.presents.dobj.DSet;
-import com.threerings.presents.dobj.DSetEntry;
+import com.threerings.presents.dobj.DSet_Entry;
 import com.threerings.presents.dobj.OidList;
 
 import com.threerings.crowd.Log;
@@ -121,7 +121,7 @@ public class PlaceObject extends DObject
      * <code>occupantInfo</code> set. The set will not change until the event is
      * actually propagated through the system.
      */
-    public function addToOccupantInfo (elem :DSetEntry) :void
+    public function addToOccupantInfo (elem :DSet_Entry) :void
     {
         requestEntryAdd(OCCUPANT_INFO, elem);
     }
@@ -141,7 +141,7 @@ public class PlaceObject extends DObject
      * <code>occupantInfo</code> set. The set will not change until the event is
      * actually propagated through the system.
      */
-    public function updateOccupantInfo (elem :DSetEntry) :void
+    public function updateOccupantInfo (elem :DSet_Entry) :void
     {
         requestEntryUpdate(OCCUPANT_INFO, elem);
     }
diff --git a/src/as/com/threerings/io/Translations.as b/src/as/com/threerings/io/Translations.as
index 49eb4f2d2..9ae1a0762 100644
--- a/src/as/com/threerings/io/Translations.as
+++ b/src/as/com/threerings/io/Translations.as
@@ -11,13 +11,13 @@ public class Translations
     public static function getToServer (asName :String) :String
     {
         var javaName :String = (_toServer.get(asName) as String);
-        return (javaName == null) ? asName : javaName;
+        return (javaName == null) ? asName.replace("_", "$") : javaName;
     }
 
     public static function getFromServer (javaName :String) :String
     {
         var asName :String = (_fromServer.get(javaName) as String);
-        return (asName == null) ? javaName : asName;
+        return (asName == null) ? javaName.replace("$", "_") : asName;
     }
 
     public static function addTranslation (
diff --git a/src/as/com/threerings/presents/client/Communicator.as b/src/as/com/threerings/presents/client/Communicator.as
index 622c81ed7..5eba62ab1 100644
--- a/src/as/com/threerings/presents/client/Communicator.as
+++ b/src/as/com/threerings/presents/client/Communicator.as
@@ -51,21 +51,9 @@ public class Communicator
             inputFrameReceived);
         _inStream = new ObjectInputStream();
 
-        addClassTranslations();
-
         _socket.connect(_client.getHostname(), _client.getPort());
     }
 
-    private function addClassTranslations () :void
-    {
-        Translations.addTranslation(
-            "com.threerings.presents.dobj.DSetEntry",
-            "com.threerings.presents.dobj.DSet$Entry");
-        Translations.addTranslation(
-            "com.threerings.crowd.data.MoveMarshaller",
-            "com.threerings.crowd.data.LocationMarshaller$MoveMarshaller");
-    }
-
     public function logoff () :void
     {
         if (_socket == null) {
diff --git a/src/as/com/threerings/presents/client/InvocationRegistration.as b/src/as/com/threerings/presents/client/InvocationRegistration.as
index 061c34400..6f95367fc 100644
--- a/src/as/com/threerings/presents/client/InvocationRegistration.as
+++ b/src/as/com/threerings/presents/client/InvocationRegistration.as
@@ -6,7 +6,7 @@ import com.threerings.io.ObjectInputStream;
 import com.threerings.io.ObjectOutputStream;
 
 import com.threerings.presents.dobj.DSet;
-import com.threerings.presents.dobj.DSetEntry;
+import com.threerings.presents.dobj.DSet_Entry;
 
 /**
  * Used to maintain a registry of invocation receivers that can be
@@ -14,7 +14,7 @@ import com.threerings.presents.dobj.DSetEntry;
  * numbers.
  */
 public class InvocationRegistration
-    implements DSetEntry
+    implements DSet_Entry
 {
     /** The unique hash code associated with this invocation receiver class. */
     public var receiverCode :String;
@@ -31,7 +31,7 @@ public class InvocationRegistration
         this.receiverId = receiverId;
     }
 
-    // documentation inherited from interface DSetEntry
+    // documentation inherited from interface DSet_Entry
     public function getKey () :Object
     {
         return receiverCode;
diff --git a/src/as/com/threerings/presents/data/ClientObject.as b/src/as/com/threerings/presents/data/ClientObject.as
index 2b34813e7..aa38b4d13 100644
--- a/src/as/com/threerings/presents/data/ClientObject.as
+++ b/src/as/com/threerings/presents/data/ClientObject.as
@@ -71,7 +71,7 @@ public class ClientObject extends DObject
     }
 
     // AUTO-GENERATED: METHODS START
-    public function addToReceivers (elem :DSetEntry) :void
+    public function addToReceivers (elem :DSet_Entry) :void
     {
         requestEntryAdd(RECEIVERS, elem);
     }
@@ -81,7 +81,7 @@ public class ClientObject extends DObject
         requestEntryRemove(RECEIVERS, key);
     }
 
-    public function updateReceivers (elem :DSetEntry) :void
+    public function updateReceivers (elem :DSet_Entry) :void
     {
         requestEntryUpdate(RECEIVERS, elem);
     }
diff --git a/src/as/com/threerings/presents/dobj/DEvent.as b/src/as/com/threerings/presents/dobj/DEvent.as
index fec01fea4..64292c7e7 100644
--- a/src/as/com/threerings/presents/dobj/DEvent.as
+++ b/src/as/com/threerings/presents/dobj/DEvent.as
@@ -98,17 +98,17 @@ public /* abstract */ class DEvent
     /** The oid of the object that is the target of this event. */
     protected var _toid :int;
 
-    protected static const UNSET_OLD_ENTRY :DSetEntry = new DummyEntry();
+    protected static const UNSET_OLD_ENTRY :DSet_Entry = new DummyEntry();
 }
 }
 
 /*
-import com.threerings.presents.dobj.DSetEntry;
+import com.threerings.presents.dobj.DSet_Entry;
 
 import com.threerings.io.ObjectInputStream;
 import com.threerings.io.ObjectOutputStream;
 
-class DummyEntry implements DSetEntry
+class DummyEntry implements DSet_Entry
 {
     public function DummyEntry ()
     {
diff --git a/src/as/com/threerings/presents/dobj/DObject.as b/src/as/com/threerings/presents/dobj/DObject.as
index 67d28ee20..6666951f2 100644
--- a/src/as/com/threerings/presents/dobj/DObject.as
+++ b/src/as/com/threerings/presents/dobj/DObject.as
@@ -240,7 +240,7 @@ public class DObject // extends EventDispatcher
     /**
      * Calls by derived instances when a set adder method was called.
      */
-    protected function requestEntryAdd (name :String, entry :DSetEntry) :void
+    protected function requestEntryAdd (name :String, entry :DSet_Entry) :void
     {
         // dispatch an entry added event
         postEvent(new EntryAddedEvent(_oid, name, entry));
@@ -258,7 +258,7 @@ public class DObject // extends EventDispatcher
     /**
      * Calls by derived instances when a set updater method was called.
      */
-    protected function requestEntryUpdate (name :String, entry :DSetEntry) :void
+    protected function requestEntryUpdate (name :String, entry :DSet_Entry) :void
     {
         // dispatch an entry updated event
         postEvent(new EntryUpdatedEvent(_oid, name, entry, null));
diff --git a/src/as/com/threerings/presents/dobj/DSet.as b/src/as/com/threerings/presents/dobj/DSet.as
index 7787e700e..8b7c0a286 100644
--- a/src/as/com/threerings/presents/dobj/DSet.as
+++ b/src/as/com/threerings/presents/dobj/DSet.as
@@ -49,7 +49,7 @@ public class DSet
      * <code>equals()</code> the key returned by <code>getKey()</code> of
      * the supplied entry. Returns false otherwise.
      */
-    public function contains (elem :DSetEntry) :Boolean
+    public function contains (elem :DSet_Entry) :Boolean
     {
         return containsKey(elem.getKey());
     }
@@ -68,10 +68,10 @@ public class DSet
      * the specified key or null if no entry could be found that matches
      * the key.
      */
-    public function get (key :Object) :DSetEntry
+    public function get (key :Object) :DSet_Entry
     {
         // o(n) for now
-        for each (var entry :DSetEntry in _entries) {
+        for each (var entry :DSet_Entry in _entries) {
             if (isSameKey(key, entry.getKey())) {
                 return entry;
             }
@@ -112,7 +112,7 @@ public class DSet
      * @return true if the entry was added, false if it was already in
      * the set.
      */
-    internal function add (elem :DSetEntry) :Boolean
+    internal function add (elem :DSet_Entry) :Boolean
     {
         if (_entries.length == 0) {
             // there is nothing in the map yet, check the key validity
@@ -140,7 +140,7 @@ public class DSet
      * @return true if the entry was removed, false if it was not in the
      * set.
      */
-    internal function remove (elem :DSetEntry) :Boolean
+    internal function remove (elem :DSet_Entry) :Boolean
     {
         return (null != removeKey(elem.getKey()));
     }
@@ -154,11 +154,11 @@ public class DSet
      * @return the old matching entry if found and removed, null if not
      * found.
      */
-    internal function removeKey (key :Object) :DSetEntry
+    internal function removeKey (key :Object) :DSet_Entry
     {
         // o(n) for now
         for (var ii :int = 0; ii < _entries.length; ii++) {
-            var entry :DSetEntry = _entries[ii];
+            var entry :DSet_Entry = _entries[ii];
             if (isSameKey(key, entry.getKey())) {
                 _entries.splice(ii, 1);
                 return entry;
@@ -177,11 +177,11 @@ public class DSet
      * @return the old entry that was replaced, or null if it was not
      * found (in which case nothing is updated).
      */
-    internal function update (elem :DSetEntry) :DSetEntry
+    internal function update (elem :DSet_Entry) :DSet_Entry
     {
         var key :Object = elem.getKey();
         for (var ii :int = 0; ii < _entries.length; ii++) {
-            var entry :DSetEntry = _entries[ii];
+            var entry :DSet_Entry = _entries[ii];
             if (isSameKey(key, entry.getKey())) {
                 _entries[ii] = elem;
                 return entry; // return the old entry
diff --git a/src/as/com/threerings/presents/dobj/DSetEntry.as b/src/as/com/threerings/presents/dobj/DSet_Entry.as
similarity index 89%
rename from src/as/com/threerings/presents/dobj/DSetEntry.as
rename to src/as/com/threerings/presents/dobj/DSet_Entry.as
index 5d08d738b..106b5adf9 100644
--- a/src/as/com/threerings/presents/dobj/DSetEntry.as
+++ b/src/as/com/threerings/presents/dobj/DSet_Entry.as
@@ -4,7 +4,7 @@ import com.threerings.util.Equalable;
 
 import com.threerings.io.Streamable;
 
-public interface DSetEntry extends Streamable
+public interface DSet_Entry extends Streamable
 {
     /**
      * Get the key used to identify this object. On the java side of things,
diff --git a/src/as/com/threerings/presents/dobj/DummyEntry.as b/src/as/com/threerings/presents/dobj/DummyEntry.as
index f4d94a9c9..0f5bb6cfb 100644
--- a/src/as/com/threerings/presents/dobj/DummyEntry.as
+++ b/src/as/com/threerings/presents/dobj/DummyEntry.as
@@ -4,13 +4,13 @@ import com.threerings.io.ObjectInputStream;
 import com.threerings.io.ObjectOutputStream;
 
 public class DummyEntry
-    implements DSetEntry
+    implements DSet_Entry
 {
     public function DummyEntry ()
     {
     }
 
-    // documentation inherited from interface DSetEntry
+    // documentation inherited from interface DSet_Entry
     public function getKey () :Object
     {
         return null; // dummy
diff --git a/src/as/com/threerings/presents/dobj/EntryAddedEvent.as b/src/as/com/threerings/presents/dobj/EntryAddedEvent.as
index d42696cdc..5ddccdd7b 100644
--- a/src/as/com/threerings/presents/dobj/EntryAddedEvent.as
+++ b/src/as/com/threerings/presents/dobj/EntryAddedEvent.as
@@ -27,7 +27,7 @@ public class EntryAddedEvent extends NamedEvent
      * @param entry the entry to add to the set attribute.
      */
     public function EntryAddedEvent (
-            targetOid :int = 0, name :String = null, entry :DSetEntry = null)
+            targetOid :int = 0, name :String = null, entry :DSet_Entry = null)
     {
         super(targetOid, name);
         _entry = entry;
@@ -36,7 +36,7 @@ public class EntryAddedEvent extends NamedEvent
     /**
      * Returns the entry that has been added.
      */
-    public function getEntry () :DSetEntry
+    public function getEntry () :DSet_Entry
     {
         return _entry;
     }
@@ -79,9 +79,9 @@ public class EntryAddedEvent extends NamedEvent
     public override function readObject (ins :ObjectInputStream) :void
     {
         super.readObject(ins);
-        _entry = (ins.readObject() as DSetEntry);
+        _entry = (ins.readObject() as DSet_Entry);
     }
 
-    protected var _entry :DSetEntry;
+    protected var _entry :DSet_Entry;
 }
 }
diff --git a/src/as/com/threerings/presents/dobj/EntryRemovedEvent.as b/src/as/com/threerings/presents/dobj/EntryRemovedEvent.as
index 129676608..cdac9b579 100644
--- a/src/as/com/threerings/presents/dobj/EntryRemovedEvent.as
+++ b/src/as/com/threerings/presents/dobj/EntryRemovedEvent.as
@@ -30,7 +30,7 @@ public class EntryRemovedEvent extends NamedEvent
      */
     public function EntryRemovedEvent (
             targetOid :int = 0, name :String = null, key :Object = null,
-            oldEntry :DSetEntry = null)
+            oldEntry :DSet_Entry = null)
     {
         super(targetOid, name);
         _key = key;
@@ -50,7 +50,7 @@ public class EntryRemovedEvent extends NamedEvent
     /**
      * Returns the entry that was in the set prior to being updated.
      */
-    public function getOldEntry () :DSetEntry
+    public function getOldEntry () :DSet_Entry
     {
         return _oldEntry;
     }
@@ -104,6 +104,6 @@ public class EntryRemovedEvent extends NamedEvent
     }
 
     protected var _key :Object;
-    protected var _oldEntry :DSetEntry = UNSET_OLD_ENTRY;
+    protected var _oldEntry :DSet_Entry = UNSET_OLD_ENTRY;
 }
 }
diff --git a/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as b/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as
index 678ad4166..6f6791015 100644
--- a/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as
+++ b/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as
@@ -28,8 +28,8 @@ public class EntryUpdatedEvent extends NamedEvent
      * @param oldEntry the previous value of the entry.
      */
     public function EntryUpdatedEvent (
-            targetOid :int = 0, name :String = null, entry :DSetEntry = null,
-            oldEntry :DSetEntry = null)
+            targetOid :int = 0, name :String = null, entry :DSet_Entry = null,
+            oldEntry :DSet_Entry = null)
     {
         super(targetOid, name);
         _entry = entry;
@@ -41,7 +41,7 @@ public class EntryUpdatedEvent extends NamedEvent
     /**
      * Returns the entry that has been updated.
      */
-    public function getEntry () :DSetEntry
+    public function getEntry () :DSet_Entry
     {
         return _entry;
     }
@@ -49,7 +49,7 @@ public class EntryUpdatedEvent extends NamedEvent
     /**
      * Returns the entry that was in the set prior to being updated.
      */
-    public function getOldEntry ():DSetEntry
+    public function getOldEntry ():DSet_Entry
     {
         return _oldEntry;
     }
@@ -100,10 +100,10 @@ public class EntryUpdatedEvent extends NamedEvent
     public override function readObject (ins :ObjectInputStream) :void
     {
         super.readObject(ins);
-        _entry = (ins.readObject() as DSetEntry);
+        _entry = (ins.readObject() as DSet_Entry);
     }
 
-    protected var _entry :DSetEntry;
-    protected var _oldEntry :DSetEntry = UNSET_OLD_ENTRY;
+    protected var _entry :DSet_Entry;
+    protected var _oldEntry :DSet_Entry = UNSET_OLD_ENTRY;
 }
 }