# File lib/merb-assets/assets_mixin.rb, line 497
    def css_include_tag(*stylesheets)
      options = stylesheets.last.is_a?(Hash) ? stylesheets.pop : {}
      return nil if stylesheets.empty?
      
      if (bundle_name = options[:bundle]) && Merb::Assets.bundle? && stylesheets.size > 1
        bundler = Merb::Assets::StylesheetAssetBundler.new(bundle_name, *stylesheets)
        bundled_asset = bundler.bundle!
        return css_include_tag(bundled_asset)
      end

      tags = ""

      for stylesheet in stylesheets
        attrs = {
          :href => asset_path(:stylesheet, stylesheet),
          :type => "text/css",
          :rel => "Stylesheet",
          :charset => options[:charset] || 'utf-8',
          :media => options[:media] || :all
        }
        tags << %Q{<link #{attrs.to_xml_attributes} />}
      end

      return tags
    end