diff -r 92c31cbb1952 -r 863feeb5c760 testing3/re1c_test.scala
--- a/testing3/re1c_test.scala	Tue Nov 28 20:37:57 2017 +0000
+++ b/testing3/re1c_test.scala	Wed Nov 29 21:22:29 2017 +0000
@@ -1,12 +1,12 @@
 
-import scala.concurrent._
-import scala.concurrent.duration._
-import ExecutionContext.Implicits.global
-import scala.language.postfixOps 
-import scala.language.reflectiveCalls
+//import scala.concurrent._
+//import scala.concurrent.duration._
+//import ExecutionContext.Implicits.global
+//import scala.language.postfixOps 
+//import scala.language.reflectiveCalls
 
 
-lazy val f = Future {
+//lazy val f = Future {
   import CW8a._
 
   assert(simp(ZERO | ONE) == ONE)
@@ -16,6 +16,9 @@
   assert(simp(ALT(ONE ~ (ONE ~ (ONE ~ ZERO)), CHAR('a'))) == CHAR('a'))
   assert(simp(CHAR('a') | CHAR('a')) == CHAR('a'))
   assert(simp(ONE | CHAR('a')) == (ONE | CHAR('a')))
-}
+  assert(simp(ALT((CHAR('a') | ZERO) ~ ONE,
+                  ((ONE | CHAR('b')) | CHAR('c')) ~ (CHAR('d') ~ ZERO))) == CHAR('a'))
 
-Await.result(f, 30 second)
+//}
+
+//Await.result(f, 30 second)