[NTG-context] thousand separator space

[Henning Hraban Ramm]

Am 21.11.22 um 23:08 schrieb Max Chernoff via ntg-context:

> The TeXbook recommends that you wrap the comma in curly braces
> 
>     $x = 1{,}000$
>     
> but there's probably a ConTeXt \setupxxx command that would have the same
> effect.

Use \digits:
https://wiki.contextgarden.net/Command/digits

Hraban