src/java.xml.ws/share/classes/com/sun/xml/internal/messaging/saaj/packaging/mime/internet/HeaderTokenizer.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -344,11 +344,11 @@
 
     /* Process escape sequences and embedded LWSPs from a comment or
      * quoted string.
      */
     private static String filterToken(String s, int start, int end) {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         char c;
         boolean gotEscape = false;
         boolean gotCR = false;
 
         for (int i = start; i < end; i++) {