--- a/structs_test.go	Mon Jan 23 21:58:53 2012 -0700
+++ b/structs_test.go	Sun Apr 15 11:20:55 2012 -0600
@@ -44,7 +44,7 @@
 
 func assertMarshal(t *testing.T, expected string, marshal interface{}) {
 	buf := bytes.NewBuffer(nil)
-	xml.Marshal(buf, marshal)
+	xml.NewEncoder(buf).Encode(marshal)
 	observed := string(buf.Bytes())
 	assertEquals(t, expected, observed)
 }