Hi Christoph,

> echo 1_000;
> will print
> 1000
>
> I think it is important to explicitly note that in the RFC.
>
> With regard to "stringy numerics": besides the potential BC break, IMHO
> there is no need to support digit separators for string literals at all,
> because that could easily be provided by a userland function. Maybe
> it's worth pointing that out in the RFC.

Thanks for the comments - I've update the RFC accordingly.

-Tom                                      
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