# File lib/haml/buffer.rb, line 200
    def attributes(class_id, obj_ref, *attributes_hashes)
      attributes = class_id
      attributes_hashes.each do |old|
        self.class.merge_attrs(attributes, Hash[old.map {|k, v| [k.to_s, v]}])
      end
      self.class.merge_attrs(attributes, parse_object_ref(obj_ref)) if obj_ref
      Compiler.build_attributes(
        html?, @options[:attr_wrapper], @options[:escape_attrs], @options[:hyphenate_data_attrs], attributes)
    end