--- a/langtools/src/share/classes/com/sun/tools/doclets/internal/toolkit/Content.java	Tue May 14 10:14:52 2013 -0700
+++ b/langtools/src/share/classes/com/sun/tools/doclets/internal/toolkit/Content.java	Tue May 14 10:14:52 2013 -0700
@@ -96,6 +96,10 @@
         return !isEmpty();
     }
 
+    public int charCount() {
+        throw new UnsupportedOperationException();
+    }
+
     /**
      * Checks for null values.
      *