This is the 2.0.0-beta, lots and lots and lots of changes
Have a look at http://xmlsoft.org/upgrade.html

Daniel
diff --git a/result/pi.xml b/result/pi.xml
index 27bed5b..48c7ff0 100644
--- a/result/pi.xml
+++ b/result/pi.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <doc>
 <?document-start doc?>
-  <empty/>
+<empty/>
 <?document-end doc?>
 </doc>