--- a/langtools/src/share/classes/javax/lang/model/element/AnnotationValueVisitor.java	Wed Jan 23 13:27:24 2013 -0800
+++ b/langtools/src/share/classes/javax/lang/model/element/AnnotationValueVisitor.java	Wed Jan 23 20:11:07 2013 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 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
@@ -61,6 +61,18 @@
  * parameters, return type, etc. rather than one of the abstract
  * classes.
  *
+ * <p>Note that methods to accommodate new language constructs could
+ * be added in a source <em>compatible</em> way if they were added as
+ * <em>default methods</em>.  However, default methods are only
+ * available on Java SE 8 and higher releases and the {@code
+ * javax.lang.model.*} packages bundled in Java SE 8 are required to
+ * also be runnable on Java SE 7.  Therefore, default methods
+ * <em>cannot</em> be used when extending {@code javax.lang.model.*}
+ * to cover Java SE 8 language features.  However, default methods may
+ * be used in subsequent revisions of the {@code javax.lang.model.*}
+ * packages that are only required to run on Java SE 8 and higher
+ * platform versions.
+ *
  * @param <R> the return type of this visitor's methods
  * @param <P> the type of the additional parameter to this visitor's methods.
  * @author Joseph D. Darcy