module Loofah::MetaHelpers

def add_downcased_set_members_to_all_set_constants(mojule)
  mojule.constants.each do |constant_sym|
    constant = mojule.const_get(constant_sym)
    next unless Set === constant
    constant.dup.each do |member|
      constant.add(member.downcase)
    end
  end
end