static L<S> sendToAll(S botName, S line, Object... args) {
  new L<S> answers;
  
  line = format3(line, args);
  
  for (DialogIO io : talkToAll_full(botName)) {
    temp io;
    print(": " + dropAfterLastSlash(io.readLine()));
    answers.add(io.askLoudly(line));
  }

  ret answers;
}

static L<S> sendToAll(S line) {
  ret sendToAll("", line);
}