Index: branches/pyyaml3000/tests/data/spec-10-07.canonical
===================================================================
--- branches/pyyaml3000/tests/data/spec-10-07.canonical	(revision 38)
+++ branches/pyyaml3000/tests/data/spec-10-07.canonical	(revision 44)
@@ -2,5 +2,5 @@
 ---
 !!map {
-  ? !!str ""
+  ? !!null ""
   : !!str "value",
   ? !!str "explicit key"