gistfile1.rb

# Preserve and escape HTML in HAML
module Haml
  module Filters
    module Preserve
      include Haml::Filters::Base
      def render(text)
        text = Haml::Helpers.html_escape(text) 
        text = Haml::Helpers.preserve(text) 
        text 
      end
    end
  end
end