{"06 k=v\n", "06 k=v\n", "", "", false},
		{"00006 k=v\n", "00006 k=v\n", "", "", false},
		{"000006 k=v\n", "000006 k=v\n", "", "", false},
		{"000000 k=v\n", "000000 k=v\n", "", "", false},
		{"0 k=v\n", "0 k=v\n", "", "", false},
		{"+0000005 x=\n", "+0000005 x=\n", "", "", false},
	}

	for _, v := range vectors {
		key, val, res, err := parsePAXRecord(v.in)
		ok := (err == nil)
		if ok != v.ok {

		return time.Unix(secs, 0), nil // No sub-second values
	}

	// Parse the nanoseconds.
	// Initialize an array with '0's to handle right padding automatically.
	nanoDigits := [maxNanoSecondDigits]byte{'0', '0', '0', '0', '0', '0', '0', '0', '0'}
	for i := range len(sn) {
		switch c := sn[i]; {
		case c < '0' || c > '9':
			return time.Time{}, ErrHeader
		case i < len(nanoDigits):
			nanoDigits[i] = c
		}
	}