lib/csl/style/citation.rb in csl-1.1.0 vs lib/csl/style/citation.rb in csl-1.2.0

@@ -8,9 +8,14 @@
       attr_struct(*Schema.attr(:citation, :names, :name))
 
       attr_children :sort, :layout
 
       alias sort? has_sort?
+
+      def sort_keys
+        return [] unless sort?
+        children[:sort].sort_keys
+      end
     end
 
   end
 end