Re: [BUG] fractional bin sizes do not work in some locales (e.g., de_DE.UTF-8)

[Tim Rice]

> So we have two problems:
>
> * GNU Datamash does not respect LC_NUMERIC for *any* functions, of which `bin` 
> is just a special case.
>
> * The `bin` operation furthermore does not respect any non-default locale for 
> decimal separators.

I've sent up commit e0d2ad1 with a preliminary datamash-i18n-de.pl test to show 
what currently works and provide TODO notes for what does not.