Cache[id] = {id=id, filename=Directory..id, lines={{mode='text', data=''}}, left=0, right=Display_settings.column_width}
  Cache[id].links = load_links(id)
  derive_file_height(Cache[id])

  Cache[id] = {id=id, filename=Directory..id, lines={{mode='text', data=''}}, line_cache={{}}, left=0, right=Display_settings.column_width, links={}, height=Line_height}