diff --git a/result/dtd9.rde b/result/dtd9.rde
new file mode 100644
index 0000000..2e2b2e9
--- /dev/null
+++ b/result/dtd9.rde
@@ -0,0 +1,9 @@
+0 10 doc 0 0
+0 1 doc 0 0
+1 1 b 0 0
+2 3 #text 0 1 This
+1 15 b 0 0
+1 1 d 0 0
+2 3 #text 0 1  is a valid document
+1 15 d 0 0
+0 15 doc 0 0