lib/sass/script/list.rb in sass-3.2.0.alpha.101 vs lib/sass/script/list.rb in sass-3.2.0.alpha.102

@@ -44,9 +44,10 @@
       return value.reject {|e| e.is_a?(List) && e.value.empty?}.map {|e| e.to_s(opts)}.join(sep_str)
     end
 
     # @see Node#to_sass
     def to_sass(opts = {})
+      return "()" if value.empty?
       precedence = Sass::Script::Parser.precedence_of(separator)
       value.map do |v|
         if v.is_a?(List) && Sass::Script::Parser.precedence_of(v.separator) <= precedence
           "(#{v.to_sass(opts)})"
         else