--- old/src/macosx/native/sun/awt/AWTView.m	2012-09-19 14:18:40.000000000 +0400
+++ new/src/macosx/native/sun/awt/AWTView.m	2012-09-19 14:18:39.000000000 +0400
@@ -279,7 +279,10 @@
         return;
     }
 
-    if (![self hasMarkedText] && fKeyEventsNeeded) {
+    NSString *eventCharacters = [event characters];
+    BOOL isDeadKey = (eventCharacters != nil && [eventCharacters length] == 0);
+
+    if ((![self hasMarkedText] && fKeyEventsNeeded) || isDeadKey) {
         [self deliverJavaKeyEventHelper: event];
     }