title: Using the Canvas element with the HTML 4 doctype works fine. How come?
body: <p>Using the Canvas element with the HTML 4 doctype works fine in all browsers, even though Canvas is an HTML5 feature. How come? Isn't the page supposed to break if we're using the older doctype?</p>
  
  <pre><code>&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt;
  </code></pre>