diff -up naga/build.xml.orig naga/build.xml
--- naga/build.xml.orig	2013-03-25 17:50:02.000000000 +0200
+++ naga/build.xml	2013-03-25 17:57:33.205315047 +0200
@@ -33,6 +33,7 @@
 		           author="true"
 		           version="true"
 		           use="true"
+			   encoding="UTF8"
 		           windowtitle="Naga API">
 			  <doctitle><![CDATA[<h1>Naga</h1>]]></doctitle>
 			  <tag name="todo" scope="all" description="To do:"/>