more work done in the train augmented/updated the regression tests Daniel

* relaxng: more work done in the train
* test/relaxng/* result/relaxng/*: augmented/updated the
  regression tests
Daniel
diff --git a/test/relaxng/tutor9_4_1.xml b/test/relaxng/tutor9_4_1.xml
new file mode 100644
index 0000000..50bfa20
--- /dev/null
+++ b/test/relaxng/tutor9_4_1.xml
@@ -0,0 +1 @@
+<data> a <bold> b <em> c </em> d </bold> e </data>