static S formatXYZ(S pattern, L<S> args) {
  L<S> tok = javaTok(pattern);
  for (int i = 1; i < l(tok); i += 2) {
    S t = tok.get(i);
    int idx = -1;
    if (l(t) == 1 && eqOneOf(t, "X", "Y", "Z"))
      idx = charDiff(t.charAt(0), 'X');
    else if (l(t) == 2 && t.startsWith("A")) {
      char c = t.charAt(1);
      if (c >= 'A' && c <= 'Z')
        idx = 3 + charDiff(t.charAt(1), 'A');
    }
    if (idx >= 0 && l(args) > idx)
      tok.set(i, args.get(idx));
  }
  ret join(tok);
}

static S formatXYZ(S pattern, S... args) {
  ret formatXYZ(pattern, asList(args));
}