Add minor rules for XML support

Change-Id: I72baac5afc04f849a7c464a0e9b292e9d40ee2b4
diff --git a/datok_test.go b/datok_test.go
index 9558661..8562a98 100644
--- a/datok_test.go
+++ b/datok_test.go
@@ -213,7 +213,7 @@
 		dat = LoadDatokFile("testdata/tokenizer.datok")
 	}
 	assert.NotNil(dat)
-	assert.True(dat.LoadFactor() >= 70)
+	assert.True(dat.LoadFactor() >= 60)
 	assert.Equal(dat.epsilon, 1)
 	assert.Equal(dat.unknown, 2)
 	assert.Equal(dat.identity, 3)