lib/language/parser.rb in language-ruby-0.7.0 vs lib/language/parser.rb in language-ruby-0.8.0

@@ -17,10 +17,10 @@
 
       unless @cursor == @input.size || !check_end_of_input
         raise NotEndOfInput, self
       end
 
-      @output.present? ? @output : Output.new(@buffer)
+      @output.present? ? @output : Output.new(@buffer.empty? ? nil : @buffer)
     end
 
     def consume(n)
       raise EndOfInput, self unless @cursor + n <= @input.size