Lars Ingebrigtsen <larsi@gnus.org> writes:
>
> I think it would be better to put this in a helper function in subr.el,
> for instance.
>
> And there's also `number-at-point', could perhaps be used here?

Oh, I forgot about number-at-point.  It extracts numbers that don't make
sense here (like floating point or negative numbers), but we can easily
filter them with natnump.  I've attached a new patch; do you feel it's
still necessary to extract the logic in a helper?