Hello Terje,

> I have now signed the FSF papers. Here is the updated patch on top of
> current master.

Great, thanks.

> Let me know if all looks good or if I need to make further changes or
> need to provide something else.

It looks good -- here is an updated patch with shorter lines.

The last change you need to make is to use mapconcat instead
of string-join, which would require us to load subr-x.el.

Once this is done I'll apply your patch. 

Thanks,

-- 
 Bastien