> For whatever it is worth, the patch looks good to me.
>
> A minor nitpick would be to use a verb in the part:
>
> `cost when the parameter in (0, 1)`
> maybe:
>
> `cost when the parameter's value is in (0, 1)` or similar.
Looks ok.
> Apart from that, I would suggest it that the patch could be moved to
> Waiting for Author state.
Attached an upated.
--
Fabien.