on osx 10.4.8. i'd like to use the xnview viewer to get settings
that i'll later apply with nconvert. one setting i'd like to get is
for saturation. when i open 'image--->adjust--->hue/lightness/saturation,'
the slider only shows the ability to increase the saturation of
my image. the slider is at the bottom of its travel. how would i
decrease saturation? (i have a feeeling this is going to make
me feel stupid