Index: branches/pyyaml3000/tests/data/spec-05-03.canonical
===================================================================
--- branches/pyyaml3000/tests/data/spec-05-03.canonical	(revision 38)
+++ branches/pyyaml3000/tests/data/spec-05-03.canonical	(revision 44)
@@ -9,5 +9,6 @@
   : !!map {
     ? !!str "sky" : !!str "blue",
-    ? !!str "sea" : !!str "green",
+#    ? !!str "sea" : !!str "green",
+    ? !!map { ? !!str "sea" : !!str "green" } : !!null "",
   }
 }