static bool getHtmlTagParameters_debug;

static SS getHtmlTagParameters(S tag) {
  if (empty(tag)) null;
  L<S> tok = codeTokens(tok_joinMinusIdentifiers(htmlFineTok(tag)));
  if (getHtmlTagParameters_debug)
    printStruct(tok);
  assertEquals("<", tok.get(0));
  int i = 1;
  if (eq(tok.get(1), "/")) ++i;
  S name = tok.get(i++);
  if (!isMinusIdentifier(name))
    fail(tag + " (" + name + ")");
  new SS map;
  while (i < l(tok)) {
    S t = tok.get(i);
    if (eqOneOf(t, "/", ">")) break;
    if (!isMinusIdentifier(t))
      fail(tag + " (" + t + ")");
    ++i;
    S value = "1";
    if (eq(tok.get(i), "=")) {
      ++i;
      value = htmlunquote(tok.get(i++));
    }
    map.put(t, value);
  }
  ret map;
}