GitLab

delete-if-not, remove-duplicates, delete-duplicates, substitute, substitute-if,
substitute-if-not, nsubstitute, nsubstitute-if, nsubstitute-if-not, find,
find-if, find-if-not, position, position-if, position-if-not, count, count-if,
count-if-not, mismatch, search, sort*, stable-sort, merge, member*, member-if,
member-if-not, assoc*, assoc-if, assoc-if-not, rassoc*, rassoc-if,
rassoc-if-not, union, nunion, intersection, nintersection, set-difference,
nset-difference, set-exclusive-or, nset-exclusive-or, subsetp, subst-if,
subst-if-not, nsubst, nsubst-if, nsubst-if-not, sublis, nsublis, tree-equal):
Improve argument/docstring consistency.