ass="rel-note">Single-bugfix release. Fixes a problem that
  prevents CodeMirror instances from being garbage-collected after
  they become unused.</p>

  <p class="rel">21-01-2013: <a href="http://codemirror.net/codemirror-3.01.zip">Version 3.01</a>:</p>

  <ul class="rel-note">
    <li>Move all add-ons into an organized directory structure
    under <a href="../addon/"><code>/addon</code></a>. <strong>You might have to adjust your
    paths.</strong></li>
    <li>New
    modes: <a href="../mode/d/index.ht