Index: /trunk/build.xml
===================================================================
--- /trunk/build.xml	(revision 2367)
+++ /trunk/build.xml	(revision 2368)
@@ -62,5 +62,6 @@
 		<!-- create josm-custom.jar -->
 		<delete file="dist/josm-custom.jar"/>
-		<jar destfile="dist/josm-custom.jar" basedir="build">
+		<jar destfile="dist/josm-custom.jar" basedir="build" level="9">
+        <!-- add attribute excludes="**/*BZip2*,**/*Bzip2*" to create a non-bzip2 supporting jar -->
 			<manifest>
 				<attribute name="Main-class" value="JOSM" />