Relative presets / lighttable
Reviewing images on lighttable I can apply Style to improve an image without going to darkroom. Fine.
I think some presets could be better used in a relative mode (instead absolute).
For example, a style "Exposure +0,5EV". If it worked in a relative mode, I could apply it twice to get a 1EV.
Today to face the common situation I must have several (absolute) styles: "Exposure +0,5EV", "Exposure +1,0EV", "Exposure +1,5EV".
Two styles, positive and negative correction, would be enough for the primary corrections, like exposure, contrast and saturation.