# File lib/html5/filters/validator.rb, line 311
  def validate_start_tag_embed(token)
    check_start_tag_required_attributes(token) do |t|
      yield t
    end
    check_attribute_values(token) do |t|
      yield t
    end
    # spec says "any attributes w/o namespace"
    # so don't call check_start_tag_unknown_attributes
  end