sO formatWithFragments(S starPattern, O... args) {
  L tok = javaTok(starPattern);
  int iArg = 0, i = 1;
  new L out;
  while (i < l(tok)) {
    int j = smartIndexOf(tok, i, "*");
    if (j > i)
      out.add(Fragment(joinSubList(tok, i, j-1)));
    if (j < l(tok))
      out.add(args[iArg++]);
    i = j+2;
  }
  ret l(out) == 1 ? first(out) : out;
}