public void Chk(byte[] wiki_domain, Io_url css_fil) {
   this.wiki_domain = wiki_domain;
   List_adp img_list = List_adp_.New();
   byte[] old_bry = Io_mgr.Instance.LoadFilBry(css_fil);
   byte[] rel_url_prefix = Bry_.Add(Bry_fwd_slashes, wiki_domain);
   byte[] new_bry = Convert_to_local_urls(rel_url_prefix, old_bry, img_list);
   Io_url img_dir = css_fil.OwnerDir();
   Download_fils(img_dir, img_list.To_str_ary());
   Io_mgr.Instance.SaveFilBry(css_fil, new_bry);
 }
 public static Xopg_tag_itm New_htm_frag(Io_url url, String id) {
   byte[] html = Io_mgr.Instance.LoadFilBry(url);
   return new Xopg_tag_itm(
       Tid__htm_frag, Gfh_tag_.Bry__script, null, html, Tag__type_html, Keyval_.new_("id", id));
 }