X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FUnion.java;fp=src%2Fedu%2Fberkeley%2Fsbp%2FUnion.java;h=6cba89c9cd9cbae6afff924a05106dfd3367f758;hp=4595ebbec869a88a4ccbc9d1192313a8caf03c30;hb=297f374e023e781f38f3fb2d6122c951f224380e;hpb=4b5b35b9dbcf29da663c72d12aaf6ac3d2083d27

diff --git a/src/edu/berkeley/sbp/Union.java b/src/edu/berkeley/sbp/Union.java
index 4595ebb..6cba89c 100644
--- a/src/edu/berkeley/sbp/Union.java
+++ b/src/edu/berkeley/sbp/Union.java
@@ -49,10 +49,10 @@ public class Union extends Element implements Iterable<Sequence> {
     static { epsilon.add(Sequence.empty); }
 
     // FIXME
-    private Forest.Ref epsilonForm = null;
+    private Forest.Many epsilonForm = null;
     Forest epsilonForm() {
         if (epsilonForm != null) return epsilonForm;
-        epsilonForm = new Forest.Ref();
+        epsilonForm = new Forest.Many();
         for(Sequence s : this) {
             // FIXME FIXME FIXME
             if (new Walk.Cache().possiblyEpsilon(s))