coffeescript parser bug?

coffeescript barfs: Error: Parse error on line 16: Unexpected 'INDENT'

$ ->
  class window.Chat extends Backbone.Model

  class window.ChatList extends Backbone.Collection
    model: Chat

  window.chats = new ChatList

  class window.ChatView extends Backbone.View
    tagName: 'li'
    template: _.template($('#chat-template').html())
    render: (event) ->
      @el.html @template(@model.toJSON())
      @

###
  class window.ChatListView extends Backbone.View
    el: $('#chat-list')
    initialize: ->
      @render()
      chats.bind 'add', @addOne, @

    render: (event) ->
      console.log "rendering whole list, i suppose?"

    addOne: (chat) ->
      view = new ChatView({model: chat})
      @el.append view.render().el

    addAll: ->
      chats.each @addOne
###

  class window.ChatInitializer
    initialize: ->
      @el = $('#chat-list')
      _.each initialChats, (chat) ->
        view = new ChatView({model: chat })
        @el.append view.render().el

  window.initialChats = [ { nickname: 'bhuga', timeago: 'some while', body: 'woa, some chat mesage, tubular'}]
  window.chatInitializer = new ChatInitializer

coffeescript likes it just fine

$ ->
  class window.Chat extends Backbone.Model

  class window.ChatList extends Backbone.Collection
    model: Chat

  window.chats = new ChatList

  class window.ChatView extends Backbone.View
    tagName: 'li'
    template: _.template($('#chat-template').html())
    render: (event) ->
      @el.html @template(@model.toJSON())
      @


  class window.ChatInitializer
    initialize: ->
      @el = $('#chat-list')
      _.each initialChats, (chat) ->
        view = new ChatView({model: chat })
        @el.append view.render().el

  window.initialChats = [ { nickname: 'bhuga', timeago: 'some while', body: 'woa, some chat mesage, tubular'}]
  window.chatInitializer = new ChatInitializer

###
  class window.ChatListView extends Backbone.View
    el: $('#chat-list')
    initialize: ->
      @render()
      chats.bind 'add', @addOne, @

    render: (event) ->
      console.log "rendering whole list, i suppose?"

    addOne: (chat) ->
      view = new ChatView({model: chat})
      @el.append view.render().el

    addAll: ->
      chats.each @addOne
###