diff -r aef83975fed6 -r b5dca0b42963 langtools/src/share/classes/com/sun/source/tree/LineMap.java
--- a/langtools/src/share/classes/com/sun/source/tree/LineMap.java	Mon Feb 18 14:29:40 2013 -0800
+++ b/langtools/src/share/classes/com/sun/source/tree/LineMap.java	Tue Feb 19 00:31:45 2013 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
  *
  * @since 1.6
  */
+@jdk.Supported
 public interface LineMap {
     /**
      * Find the start position of a line.