diff -r 2d290b79fc73 -r 3102d61edf45 marking2/docdiff_test1.scala
--- a/marking2/docdiff_test1.scala	Tue Oct 29 14:34:51 2019 +0000
+++ b/marking2/docdiff_test1.scala	Tue Oct 29 23:56:13 2019 +0000
@@ -1,6 +1,5 @@
 
+import CW7a._
 
 assert(clean("ab a abc") == List("ab", "a", "abc"))
-
-
 assert(clean("ab*a abc1") == List("ab", "a", "abc1"))