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

@@ -20,10 +20,10 @@
         attributes_for(*Schema.attr(:bibliography))
       end
 
       def sort_keys
         return [] unless sort?
-        children[:sort].descendants
+        children[:sort].sort_keys
       end
 
       def substitute_subsequent_authors?
         attribute?(:'subsequent-author-substitute')
       end