title: Does $PWD always equal ${${:-.}:A}
body: <p>Given</p>
  
  <ul>
  <li>A modern Linux/UNIX/OSX</li>
  <li><code>zsh</code> 5+</li>
  <li><code>setopt chase_links</code></li>
  <li><code>PWD</code> has not been set abnormally </li>
  </ul>
  
  <p>Is 
  </p>
  
  <pre><code>[[ "$PWD" == "${${:-.}:A}" ]]
  </code></pre>
  
  <p>Always true?</p>