X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FElement.java;h=f88ce87034116c22d58ac64dff9b5aa7f2f3db3a;hp=c94adbdcc6f80a3ed43822c8b632b1fef16dc0b5;hb=9ded11559a1b6f817e99355b1c9e2c88042e91d4;hpb=f33c05adc5aa3dd324c5352cdbd6f4b55359acad

diff --git a/src/edu/berkeley/sbp/Element.java b/src/edu/berkeley/sbp/Element.java
index c94adbd..f88ce87 100644
--- a/src/edu/berkeley/sbp/Element.java
+++ b/src/edu/berkeley/sbp/Element.java
@@ -12,7 +12,7 @@ public abstract class Element {
 
     /** if this element always matches exactly one token, return a topology covering exactly those possible tokens, otherwise <tt>null</tt> */
     abstract Topology toAtom();
-
+    public Topology toAtom0() { return toAtom(); }
     Forest epsilonForm() { throw new Error("no epsilon form: " + this); }
     final boolean possiblyEpsilon(Walk.Cache cache) {
         Boolean ret = cache==null ? null : cache.possiblyEpsilon.get(this);