copyright notices/updates

[sbp.git] / src / edu / berkeley / sbp / chr / CharAtom.java

diff --git a/src/edu/berkeley/sbp/chr/CharAtom.java b/src/edu/berkeley/sbp/chr/CharAtom.java
index 920381b..f05c345 100644 (file)
--- a/src/edu/berkeley/sbp/chr/CharAtom.java
+++ b/src/edu/berkeley/sbp/chr/CharAtom.java
@@ -1,3 +1,5 @@
+// Copyright 2006 all rights reserved; see LICENSE file for BSD-style license
+
 package edu.berkeley.sbp.chr;
 import java.io.*;
 import java.util.*;
@@ -43,14 +45,14 @@ public class CharAtom extends Atom<Character> {
                     public String toString() { return escapified; } };
             Element[] refs = new Element[s.length()];
             for(int i=0; i<refs.length; i++) refs[i] = new CharAtom(s.charAt(i));
-            ret2.add(Sequence.newConstantSequence(refs, s));
+            ret2.add(Sequence.create(refs, s));
             ret = ret2;
         }
         return ret;
     }
 
     private static Union epsilon = new Union("()");
-    static { epsilon.add(Sequence.newEmptySequence()); }
+    static { epsilon.add(Sequence.create()); }
 
     public Topology<Atom<Character>>       unwrap() { return this; }
     public Topology<Atom<Character>>       empty()  { return new CharAtom(); }