--- a/langtools/src/share/classes/com/sun/tools/doclets/formats/html/SplitIndexWriter.java	Tue Oct 09 19:31:58 2012 -0700
+++ b/langtools/src/share/classes/com/sun/tools/doclets/formats/html/SplitIndexWriter.java	Wed Oct 10 16:48:21 2012 -0700
@@ -36,6 +36,11 @@
  * Unicode Order. This will create "index-files" directory in the current or
  * destination directory and will generate separate file for each unicode index.
  *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ *
  * @see java.lang.Character
  * @author Atul M Dambalkar
  * @author Bhavesh Patel (Modified)