class Sass::Selector::Element

def unify(sels)

Other tags:
    See: Selector#unify -

Other tags:
    Todo: - Keep track of whether a default namespace has been declared
    Todo: - There are lots of cases that this documentation specifies; 
def unify(sels)
  case sels.first
  when Universal;
  when Element; return unless name == sels.first.name
  else return [self] + sels
  end
  ns, accept = unify_namespaces(namespace, sels.first.namespace)
  return unless accept
  [Element.new(name, ns)] + sels[1..-1]
end