--- flutejava-1.3.orig/org/w3c/flute/parser/Parser.jj
+++ flutejava-1.3/org/w3c/flute/parser/Parser.jj
@@ -52,7 +52,7 @@
 public class Parser implements org.w3c.css.sac.Parser {
 
     // replaces all \t, \n, etc with this StringBuffer.
-    static final StringBuffer SPACE = new StringBuffer(" ");
+    static final StringBuilder SPACE = new StringBuilder(" ");
 
     // the document handler for the parser
     protected DocumentHandler documentHandler;