title: :synopsis: not working in Sphinx automodule
body: <p>I am using Sphinx, really like it, but it won't pick up the module synopsis. No error or anything, just plain ... nothing. This is the module I am trying to autodocument:</p>
  
  <pre><code># vim: set fileencoding=utf-8 :
  """
  .. module:: CONF
     :synopsis: Configuration module, tells where data files are.
  
  .. moduleauthor:: Mr Anderson &lt;mr@matrix.com&gt;
  """
  </code></pre>
  
  <p>This is the Sphinx directive in the ReST index file:</p>
  
  <pre><code>.. automodule:: CONF
     :synopsis:
  </code></pre>
  
  <p>I get all sorts of other wonderful things from Sphinx, so it's not generally broken for me. The only suspicious thing I get is: <code>SEVERE: Duplicate ID: "module-CONF"</code>. Some googling led me to believe though that this error is quite "normal"?</p>