--- old/src/share/classes/javax/sound/midi/Transmitter.java	2010-06-29 18:01:01.000000000 -0700
+++ new/src/share/classes/javax/sound/midi/Transmitter.java	2010-06-29 18:01:01.000000000 -0700
@@ -35,7 +35,7 @@
  *
  * @author Kara Kytle
  */
-public interface Transmitter {
+public interface Transmitter extends AutoCloseable {
 
 
     /**