Problems with Skim

forms.js.coffee

# app/assets/javascripts/forms.js.coffee
jQuery ->

  class FormsView extends Backbone.View
    el: $('#forms')

    initialize: ->
      _.bindAll @
      @render()

    render: ->
      $(@el).append( JST['forms/index'] { word: 'Test' } )

  listView = new FormsView

Gemfile

...

group :assets do
  gem 'sass-rails',   '~> 3.2.3'
  gem 'coffee-rails', '~> 3.2.1'
  gem 'uglifier',     '>= 1.0.3'
  gem 'skim'
end

gem 'jquery-rails'
gem 'devise'
gem 'slim'
gem 'responders'
gem 'cancan'
gem 'simple_form', git: 'https://github.com/plataformatec/simple_form.git'
gem 'will_paginate', '~> 3.0.2'
gem 'settingslogic'
gem 'paperclip'
gem 'carmen'
gem 'heroku'
gem 'airbrake'
gem 'fog', '~> 1.1.2'
# Sidekiq related gems:
gem 'sidekiq'
gem 'sinatra'
gem 'stripe'
gem 'backbone-on-rails'
...

index.jst.skim

# app/assets/templates/forms/index.jst.skim
p This is from <strong>Skim</strong>. #{ @word }