2.2.\u0032\u002E (C99)\U000032\U00002E (C99)\x32\x2E (encoding-dependent)\062\056 (encoding-dependent)\u{32}\u{2E} (C++23)\x{32}\x{2E} (C++23, encoding-dependent)\o{062}\o{056} (C++23, encoding-dependent)\U00000032\U0000002E\u0032\u002E\x32\x2E (encoding-dependent)\062\056 (encoding-dependent)\u0032\u002E\u{32}\u{2E}\u0032\u002E\x32\x2E\32\2E\000032\00002E=32=2E%32%2E