>>A4: 8.27" x 11.69"
>>where you're most likely to see the problem is with print going outside of the printable area (i.e. it gets "cut off" near the edge).
>
>Nice article. And thank you for the explanation regarding the printable area.
>I think the entire world should conform to the American standards (just kidding)

For one, I'd enforce ANSI standard date format. Starting with the US.