--- a/src/Pure/IsaMakefile Tue Aug 26 12:17:58 2008 +0200
+++ b/src/Pure/IsaMakefile Tue Aug 26 12:20:52 2008 +0200
@@ -130,6 +130,7 @@
scaladoc -d classes $(SCALA_FILES)
@mkdir -p `dirname $@`
@cd classes; jar cf $@ isabelle
+ @rm -rf classes
clean-jar:
@rm -f $(SCALA_TARGET)