de>setUndoDepth</code>,
  <code>setTabMode</code>, and <code>setLineNumbers</code> to
  customise a running editor. Introduces an <a
  href="contrib/sql/index.html">SQL</a> parser. Fixes a few small
  problems in the <a href="contrib/python/index.html">Python</a>
  parser. And, as usual, add workarounds for various newly discovered
  browser incompatibilities.</p>

  <p class="rel"><em>31-08-2009</em>: <a href="http://codemirror.net/codemirror-0.63.zip">Version 0.63</a>:</p>
  <p class="rel-note"> Overhaul 