diff -r 189942cdf585 -r 0e6577980181 src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlDocument.java
--- a/src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlDocument.java	Wed Aug 28 15:40:33 2013 -0700
+++ b/src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlDocument.java	Thu Aug 29 11:41:20 2013 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 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
@@ -91,7 +91,7 @@
      *                              is not supported.
      */
     public void addContent(String stringContent) {
-        throw new DocletAbortException();
+        throw new DocletAbortException("not supported");
     }
 
     /**