扩展Twig：解析html标签

Is it possible to extend Twig to parse <tag>...</tag> string?

I know what i can extend twig to parse {% tag %} {% endtag %}.

But how to parse html tags?

I want to parse

<script type="text/coffeescript">...</script>

to javascript:

<script type="text/javascript">...</script>

UPDATE:

Here is solution: https://github.com/Elfet/CoffeeBundle