public void Xtn_parse(
     Xowe_wiki wiki, Xop_ctx ctx, Xop_root_tkn root, byte[] src, Xop_xnde_tkn xnde) {
   Xox_xnde_.Xatr__set(wiki, this, xatrs_hash, src, xnde);
   this.html =
       Xop_parser_.Parse_text_to_html(
           wiki,
           ctx,
           ctx.Page(),
           ctx.Page().Ttl(),
           Bry_.Mid(src, xnde.Tag_open_end(), xnde.Tag_close_bgn()),
           false);
   Indicator_html_bldr html_bldr = ctx.Page().Html_data().Indicators();
   if (this.name != null)
     html_bldr.Add(this); // NOTE: must do null-check b/c Add will use Name as key for hashtable
 }