anchor.diff:    # in-place delete
     name = new_followee.find('.followee-name')
     name.find('.delete').click(()->
  -    top_elem = find_object_top($(this))
  -
       # remove cookie
       data = new_followee.data('followee')
       followees = load_followees()
  
positive.code: add_staff_html = (id, name) ->
    # copy element
    new_staff = $('#staff-template').clone()
    new_staff.attr('id', id)
    new_staff.find('.name').text(name)
    new_staff.show()
  
  
negative.code:       top_elem = find_object_top($(this))
        {
          project: project_key,
          id: top_elem.data('id'),
        }
      event: 'edit_event',
      cssclass: 'editing',
  