[XeTeX] Roman Numerals as stylistic alternatives

[Tobias Schoel]

> Have you seen in your life analog watches? (Did you manage to notice the
> shape of numbers on the clock-face? I remember having seen a wrist watch
> with Roman numerals – in a joke!) Have you noticed how different the
> writing of dates can be? (And what is the number of known months?)

Understood. Haven't thought about watches. Are months written with roman 
numerals? Never seen that. (But I also don't understand, why the 
standard YYYY/MM/DD resp. YYYY-MM-DD isn't.)