class Metanorma::ISO::Converter

def seqcheck(names, msg, accepted) 

def seqcheck(names, msg, accepted)
  n = names.shift
  return [] if n.nil?
  test = accepted.map { |a| n.at(a) }
  if test.all?(&:nil?)
    @log.add("Style", nil, msg)
  end
  names
end