anchor.diff:    $.each(followees_data, (i) ->
       if this.staff_name
         add_followee_html(this.project, this.staff, this.staff_name, this.task_name)
  -    # else
  -      # @todo if staff deleted, remove from cookie
  +    else
  +      # staff deleted. remove from cookie
  +      remove_followee(this.project, this.staff)
     )
   
   update_followees = () ->
  
positive.code:     else
        # staff deleted
        $(followee).remove()
    )
  
  add_followee_html = (project_key, staff_id, staff_name, task_name) ->
  
negative.code: 
  save_followees = (list) ->
    $.cookie("entakun-followees", list)
  
  remove_followee = (project, staff) ->
    followees = load_followees()
    followees = $.grep(followees, (e) ->
      !(e['project'] == project && e['staff'] == staff)
    )
    save_followees(followees)
  
  lookup_followees = () ->
    followees_data = []
  