BUR #41 has been approved by @Goujer.
create alias dark-skin -> dark_skin
create alias dark-skinned -> dark_skin
create alias light-skin -> light_skin
create alias light-skinned -> light_skin
create implication very_dark_skin -> dark_skin
create implication dark-skinned_female -> dark_skin
create implication dark-skinned_male -> dark_skin
deprecate light_skin
deprecate light-skinned
deprecate light-skinned_female
deprecate light-skinned_male
deprecate light-skinned_futanari
Keeping things in line with Danbooru.
Simply dark-skinned and light-skinned is ambiguous and would have to be included on almost every post. Things should be saved for unusual skin colors or non-white skin since most images have lighter skinned characters.