# File lib/maruku/input/html_helper.rb, line 112
    def handle_tag
      @already << @m.pre_match
      @rest = @m.post_match

      is_closing = !!@m[1]
      tag = @m[2]
      @first_tag ||= tag
      attributes = @m[3].to_s

      is_single = false
      if attributes[-1, 1] == '/'
        attributes = attributes[0, attributes.size - 1]
        is_single = true
      end

      if TO_SANITIZE.include? tag
        attributes.strip!
        if attributes.size > 0
          @already << '<%s %s />' % [tag, attributes]
        else
          @already << '<%s />' % [tag]
        end
      elsif is_closing
        if @tag_stack.empty?
          error "Malformed: closing tag #{tag.inspect} in empty list"
        elsif @tag_stack.last != tag
          error "Malformed: tag <#{tag}> closes <#{@tag_stack.last}>"
        end

        close_script_style if script_style?

        @already << @m.to_s
        @tag_stack.pop
      else
        @already << @m.to_s
        @tag_stack.push(tag) unless is_single

        start_script_style if script_style?
      end
    end