title: Terminal escape sequences not working on OS X Mavericks 10.9DP7
body: <p>When i try to set my terminal window title:</p>
  
  <pre><code>$ echo -n "\033]0;foo\007"
  \033]0;foo\007
  </code></pre>
  
  <p>It just print plain text, the terminal title had no change. How to fix it?</p>