Add support for big numbers (4000 to 3,999,999) by adding a separator (_) between
the first, and the second part of the roman numeral:
<FIRST-PART>_<LAST-PART>
Example:
| New Roman (feature) | Arabic | Current Roman (ambiguous) |
|---|---|---|
IV |
4 | IV |
_IV |
4 | IV |
IV_ |
4,000 | IV |
MMMCMXCIX |
3,999 | MMMCMXCIX |
_MMMCMXCIX |
3,999 | MMMCMXCIX |
MMMCMXCIX_ |
3,999,000 | MMMCMXCIX |
MMMCMXCIX_CMXCIX |
3,999,999 | MMMCMXCIXCMXCIX |
| n/a | 4,000,000 | n/a |