https://bugs.kde.org/show_bug.cgi?id=411711
--- Comment #6 from Alexandre Belz <alexandre.b...@live.fr> --- my reference is the Digikam handbook. https://docs.kde.org/trunk5/en/extragear-graphics/digikam/photographic-editing.html See chapter "Adjust Curves", from the lines "Below you can see a black and white photograph corrected in Luminosity channel... " Black should stay black indeed. -- You are receiving this mail because: You are watching all bug changes.