# File lib/sprockets/sass/functions.rb, line 110
      def font_url(source, options = {})
        # Work with the Compass #font_url API
        if options.respond_to? :value
          case options.value
          when true
            return font_path source
          else
            options = {}
          end
        end
        ::Sass::Script::String.new "url(#{font_path(source, options)})"
      end