     $messages = $el.filter('.message').add($el.find('.message'))
     if $messages.length is 0
       $messages = $el.parents '.message'
-      # console.log $messages.length
+      console.log $messages.length
       return if $messages.length is 0
       root = @tokenizeMessages $messages
-      # console.log 'before filter:', root.toString()
+      console.log 'before filter:', root.toString()
       root.filter $el
-      # console.log 'after filter :', root.toString()
+      console.log 'after filter :', root.toString()
       return root
 
     @tokenizeMessages $messages

      return false unless token.isEmpty()
    true
  filter: (el) ->
    childTokens = []
    for token in @childTokens
      if token instanceof Chunk
        unless token.isSame el
          continue
        else
          childTokens.push token
      else
        token.filter el
        continue if token.isEmpty()
        childTokens.push token
    @childTokens = childTokens

    super()
    @_$el = $ el
    @_isEmpty = false
  isSame: ($el) ->
    for el in $el
      return true if $.contains(el, @_$el[0]) or el is @_$el[0]
    false
  isEmpty: -> @_isEmpty
  toString: -> @constructor.name
  toMarkdown: -> @identifier
