Added and updated all the results for 1.5.0, Daniel
diff --git a/result/dtd12 b/result/dtd12
new file mode 100644
index 0000000..c7bc1bc
--- /dev/null
+++ b/result/dtd12
@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<!DOCTYPE doc [
+<!ENTITY % YN '"Yes"'>
+<!ENTITY WhatHeSaid "He said %YN;">
+]>
+<doc>&WhatHeSaid;</doc>