better support for \\t

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

diff --git a/src/edu/berkeley/sbp/chr/CharTopology.java b/src/edu/berkeley/sbp/chr/CharTopology.java
index cd482de..c4360d9 100644 (file)
--- a/src/edu/berkeley/sbp/chr/CharTopology.java
+++ b/src/edu/berkeley/sbp/chr/CharTopology.java
@@ -1,3 +1,5 @@
+// Copyright 2006-2007 all rights reserved; see LICENSE file for BSD-style license
+
 package edu.berkeley.sbp.chr;
 import edu.berkeley.sbp.*;
 import edu.berkeley.sbp.misc.*;
@@ -36,7 +38,9 @@ public class CharTopology extends IntegerTopology<Character> implements Functor<
     }
 
     private String esc(char c) {
-        return StringUtil.escapify(c+"", "[]-~\\\"\'\n\r");
+        if (c==CharAtom.left) return ">>";
+        if (c==CharAtom.right) return "<<";
+        return StringUtil.escapify(c+"", "[]-~\\\"\'\n\r\t");
     }
 
 }