!7

html {
  S position = urldecode(dropPrefix("/", uri));
  position = or2(position, "start");
  bool start = eq(position, "start");
  ret htitle(start ? "Chess - Start Position" : "Chess - FEN: " + position)
    + p(b(start ? "Start position." : "FEN: " + position))
    + html_chessBoard(position);
}