lib/citeproc/ruby/renderer/observer.rb in citeproc-ruby-1.0.5 vs lib/citeproc/ruby/renderer/observer.rb in citeproc-ruby-1.0.6

@@ -23,10 +23,12 @@
         def update(method, key, value)
           history[key] = value if method == :read
         end
 
         def skip?
-          !history.empty? && history.values.all?(&:nil?)
+          !history.empty? && history.values.all? { |v|
+            v.nil? || v.respond_to?(:empty?) && v.empty?
+          }
         end
 
         def accessed
           history.select { |key, value| !value.nil? }.keys
         end