Replace unnecessary function call.
diff --git a/Lib/sgmllib.py b/Lib/sgmllib.py
index 3ab57c2..b68eb7a 100644
--- a/Lib/sgmllib.py
+++ b/Lib/sgmllib.py
@@ -428,7 +428,7 @@
         if replacement is None:
             self.unknown_entityref(name)
         else:
-            self.handle_data(self.convert_entityref(name))
+            self.handle_data(replacement)
 
     # Example -- handle data, should be overridden
     def handle_data(self, data):