diff -r e48ea8300b2d -r 9471c3b7ea02 pre_testing2/docdiff_test1.scala
--- a/pre_testing2/docdiff_test1.scala	Mon Nov 08 00:17:50 2021 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,6 +0,0 @@
-
-import CW7a._
-
-assert(clean("ab a abc") == List("ab", "a", "abc"))
-
-assert(clean("ab*a abc1") == List("ab", "a", "abc1"))