lib/latex/decode.rb in latex-decode-0.0.6 vs lib/latex/decode.rb in latex-decode-0.0.7

@@ -25,12 +25,12 @@
 
 module LaTeX
   
   class << self
     def decode (string)
-      return string unless string.is_a? String
+      return string unless string.respond_to?(:to_s)
 
-      string = string.dup
+      string = string.is_a?(String) ? string.dup : string.to_s
       
       Decode::Base.normalize(string)
       
       Decode::Accents.decode!(string)
       Decode::Diacritics.decode!(string)
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