lib/cmis/utils.rb in cmis-ruby-0.5.20 vs lib/cmis/utils.rb in cmis-ruby-0.5.21

@@ -52,10 +52,10 @@
 
         elsif value.is_a?(TrueClass) || value.is_a?(FalseClass) # boolean literal
           value
 
         else # treat as a character string literal
-          value = value.to_s
+          value = value.to_s.dup
           value.gsub!(/\\/, Regexp.escape('\\\\'))
           value.gsub!(/'/, Regexp.escape('\\\''))
           "'#{value}'"
         end
       end