lib/pdf/core.rb in pdf-wrapper-0.0.2 vs lib/pdf/core.rb in pdf-wrapper-0.0.3

@@ -1,4 +1,6 @@
+# coding: utf-8
+
 class Hash
   # raise an error if this hash has any keys that aren't in the supplied list
   # - borrowed from activesupport
   def assert_valid_keys(*valid_keys)
     unknown_keys = keys - [valid_keys].flatten