diff -r 189942cdf585 -r 0e6577980181 src/share/classes/com/sun/tools/doclets/formats/html/markup/StringContent.java
--- a/src/share/classes/com/sun/tools/doclets/formats/html/markup/StringContent.java	Wed Aug 28 15:40:33 2013 -0700
+++ b/src/share/classes/com/sun/tools/doclets/formats/html/markup/StringContent.java	Thu Aug 29 11:41:20 2013 -0700
@@ -72,7 +72,7 @@
      */
     @Override
     public void addContent(Content content) {
-        throw new DocletAbortException();
+        throw new DocletAbortException("not supported");
     }
 
     /**