simple make script;

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/classes/mk	Sun Dec 30 13:15:33 2007 +0100
@@ -0,0 +1,10 @@
+#!/bin/bash
+# $Id$
+
+rm -rf build/ && mkdir -p build
+
+javac -d build isabelle/IsabelleProcess.java \
+&& {
+  cd build
+  jar cf ../isabelle.jar *
+}