Replacement for snprintf

[berni44]

On Wednesday, 6 November 2019 at 18:21:43 UTC, Rumbu wrote:
> For %f, the decimal separator is not the only locale specific 
> info. Full list:
>
> -decimal separator
> -negative pattern
> -positive pattern
> -infinity symbol
> -nan symbol
> -digit shapes, especially for Arabic and Thai
>
>
> For %d and %g there are more like digit grouping/group 
> separator.

snprintf only uses the decimal separator (and grouping but that's 
not used inside format, the grouping is done separately there). 
All else is ignored by snprintf.