Hi Leo!

> It is Guix convention to put the added component in front of the
> others, i.e.
>> +         ((guix build copy-build-system)
>> +          ,@%gnu-build-system-modules)
> and so on.  Otherwise LGTM so far; I'll be doing functionality tests
> later today.  If you don't send v10 by then, I can also make that
> change for you.

I have sent v10. :-)

Regards,
RG.