diff -r 4792e12a8ca2 -r cca2603eab0b langtools/src/share/classes/com/sun/tools/doclets/formats/html/TagletOutputImpl.java
--- a/langtools/src/share/classes/com/sun/tools/doclets/formats/html/TagletOutputImpl.java	Fri Feb 13 11:57:33 2009 +0000
+++ b/langtools/src/share/classes/com/sun/tools/doclets/formats/html/TagletOutputImpl.java	Wed Feb 18 13:47:27 2009 -0800
@@ -67,4 +67,10 @@
         return output.toString();
     }
 
+    /**
+     * Check whether the taglet output is empty.
+     */
+    public boolean isEmpty() {
+        return (toString().trim().isEmpty());
+    }
 }