sS makeAGIDomainPart(S s) {
  // OLD version: LS tok = unquoteAll(wordTokC_noBrackets(trim(s)));
  LS tok = cloneList(wordTok2(s));
  for (int i = 2; i < l(tok)-2; i += 2)
    tok.set(i, containsNewLine(tok.get(i)) ? "--" : "-");
  setFirstAndLast(tok, "");
  ret replaceAll(join(tok), "'", "");
}