[GC] Additional metadata

Dear all,
about the update package I think it could be useful to have the currency 
codelist improved with an additional metadata for currency symbols.

Currency symbols can be expressed into Unicode, please find below the 
"currency symbols" from Unicode 5.0 standard:

http://unicode.org/charts/PDF/U20A0.pdf

Regards,

Roberto Cisternino
>
> UPDATE PACKAGE: GC FILE FORMAT
>
>    Please note this from the last Pacific call minutes:
>
>       Can other members of the UBL TC identify code list files
>       that would be improved by additional metadata?