Rakefile to convert READMD.md with kramdown and haml including twitter bootstrap and jquery

gistfile1.rb

require "kramdown"
require "haml"

task :default => :doc

task :doc do
  bootstrap = "https://raw.github.com/cdnjs/cdnjs/master/ajax/libs/twitter-bootstrap/2.1.1/css/bootstrap.min.css"
  responsive = "https://github.com/cdnjs/cdnjs/blob/master/ajax/libs/twitter-bootstrap/2.1.1/css/bootstrap-responsive.min.css"
  jquery = "http://code.jquery.com/jquery-1.8.2.min.js"
  coffeescript = "http://coffeescript.org/extras/coffee-script.js"
  jqcode = <<-EOF
    toc = $("<ul id='table-of-contents'>")
    $("h1,h2,h3,h4,h5,h6").each (i, _e)->
      e = $(_e)
      li = $("<li>").addClass(_e.nodeName.toLowerCase())
                    .append $("<a>").attr("href", "#" + e.attr("id"))
                                    .text(e.text())
      toc.append li
    $("body h1:eq(0)").before toc
  EOF
  style = <<-EOF
    #table-of-contents li { list-style: none; }
    #table-of-contents li.h2 { margin-left: 2em; }
    #table-of-contents li.h3 { margin-left: 4em; }
  EOF
  readme = <<-EOF
%html
  %head
    %link{href:"#{bootstrap}",type:"text/css",rel:"stylesheet"}
    %link{href:"#{responsive}",type:"text/css",rel:"stylesheet"}
    %script{src:"#{jquery}",type:"text/javascript"}
    %script{src:"#{coffeescript}",type:"text/javascript"}
    %style
      =style
  %body
    %div.container
      =content
    %script{type:"text/coffeescript"}
      =toc
  EOF
  locals = {content: Kramdown::Document.new(File.read("README.md")).to_html, toc: jqcode, style: style}
  open("README.html", "w") {|f| f.puts Haml::Engine.new(readme).to_html Object.new, locals}
end