{ Rouge }

An elegant, extendable code highlighter written in pure Ruby.

Available on GitHub

<html>
  <head><title>Title!</title></head>
  <body>
    <p id="foo">Hello, World!</p>
    <script type="text/javascript">var a = 1;</script>
    <style type="text/css">#foo { font-weight: bold; }</style>
  </body>
</html>