diff -r dd64288f5659 -r 7a2fe98cb0e6 src/share/classes/com/sun/tools/doclets/internal/toolkit/taglets/LegacyTaglet.java
--- a/src/share/classes/com/sun/tools/doclets/internal/toolkit/taglets/LegacyTaglet.java	Fri Aug 30 15:59:33 2013 -0700
+++ b/src/share/classes/com/sun/tools/doclets/internal/toolkit/taglets/LegacyTaglet.java	Fri Aug 30 16:16:28 2013 -0700
@@ -130,7 +130,13 @@
     public Content getTagletOutput(Doc holder, TagletWriter writer)
             throws IllegalArgumentException {
         Content output = writer.getOutputInstance();
-        output.addContent(new RawHtml(legacyTaglet.toString(holder.tags(getName()))));
+        Tag[] tags = holder.tags(getName());
+        if (tags.length > 0) {
+            String tagString = legacyTaglet.toString(tags);
+            if (tagString != null) {
+                output.addContent(new RawHtml(tagString));
+            }
+        }
         return output;
     }
 }