nex3/haml — pull request #445 by norman (2011-10-19 14:44:47+00:00)
Title: Add kramdown support

[Kramdown](https://github.com/gettalong/kramdown) is a nice pure-Ruby implementation of Markdown. I recall Nathan mentioning to me that it would be nice to have a more actively maintained pure-Ruby implementation of Markdown, and while doing some work with JRuby I picked up the issue again and came across it. Here's a small patch that adds support.