!752

p {
  //S s = "hello";
  S s = fromUtf8(bytesFromHex("f0908cbcf0908cb0f0908cb2")) + "."; // 3 runes and a dot
  print(s);
  for i over s: {
    bool x = isExtendedUnicodeCharacter(s, i);
    print(codePointToString(s.codePointAt(i)) + ": " + (x ? "extended unicode char" : "normal unicode char"));
    if (x) ++i;
  }
  
  S escaped = escapeMultichars(s);
  print("Escaped: " + escaped);
  assertEquals("[xchar 0001033c][xchar 00010330][xchar 00010332].", escaped);
  S unescaped = unescapeMultichars(escaped);
  assertEquals(s, unescaped);
  print("ok!");
}