# File lib/asciidoctor/document.rb, line 476
  def playback_attributes(block_attributes)
    if block_attributes.has_key? :attribute_entries
      block_attributes[:attribute_entries].each do |entry|
        if entry.negate
          @attributes.delete(entry.name)
        else
          @attributes[entry.name] = entry.value
        end
      end
    end
  end