static ItIt<S> aggressivelyCollectLatinCharacterSequencesOfMaxLength(final int maxLength, final InputStream in) {
  if (in == null) ret emptyItIt();
  ret iff(func -> S {
    new StringBuilder buf;
    int c;
    while (licensed() && (c = in.read()) >= 0)
      if (!isLatinChar(c))
        clearStringBuilder(buf);
      else {
        buf.append(c);
        if (l(buf) >= maxLength)
          ret str(buf);
      }
    null;
  });
}