// first element of params can be the value
static S hpasswordfield(S name, O... params) {
  O value = "";
  if (odd(l(params))) {
    value = params[0];
    params = dropFirst(params);
  }
  O autofocus = optPar autofocus(params);
  params = changeParam(params, autofocus := eqOneOf(autofocus, true, 1, "1", 'autofocus) ? html_valueLessParam() : null);
  ret tag("input", "", 
    concatArrays(new O[] {"type", "password", "name", name, "value", value}, params));
}

static S hpasswordfield(S name) {
  ret hpasswordfield(name, "");
}