# File lib/saikuro.rb, line 627
  def warn_error?(num, marker)
    klass = ""

    if @filter.error?(num)
      klass = ' class="error"'
      @errors<< [@current, marker, num]
    elsif @filter.warn?(num)
      klass = ' class="warning"'
      @warnings<< [@current, marker, num]
    end

    klass
  end