 paren-highlighting style customisable
  (<code>markParen</code> and <code>unmarkParen</code> config
  options), work around a selection bug that Opera
  <em>re</em>introduced in version 10.</p>

  <p class="rel">23-10-2009: <a
  href="http://codemirror.net/codemirror-0.64.zip">Version
  0.64</a>:</p>
  <p class="rel-note">Solves some issues introduced by the
  paste-handling changes from the previous release. Adds
  <code>setSpellcheck</code>, <code>setTextWrapping</code>,
  <code>setIndentUnit</code>, <co