7.7.\u0037\u002E (C99)\U000037\U00002E (C99)\x37\x2E (encoding-dependent)\067\056 (encoding-dependent)\u{37}\u{2E} (C++23)\x{37}\x{2E} (C++23, encoding-dependent)\o{067}\o{056} (C++23, encoding-dependent)\U00000037\U0000002E\u0037\u002E\x37\x2E (encoding-dependent)\067\056 (encoding-dependent)\u0037\u002E\u{37}\u{2E}\u0037\u002E\x37\x2E\37\2E\000037\00002E=37=2E%37%2E