static S ai_html_listStructWithLinks(L l) {
  if (l == null) ret "null";
  new L<S> out;
  for (O o : l) {
    if (o instanceof S)
      out.add(ai_html_encyclopediaTopic_quoted((S) o));
    else
      out.add(htmlencode(sfu(o)));
  }
  ret "[" + joinWithComma(out) + "]";
}