lib/sanitize.rb in sanitize-1.0.7 vs lib/sanitize.rb in sanitize-1.0.8

@@ -110,9 +110,10 @@
           # Delete remaining attributes that use unacceptable protocols.
           if @config[:protocols].has_key?(name)
             protocol = @config[:protocols][name]
 
             node.raw_attributes.delete_if do |key, value|
+              key = key.to_s.downcase
               next false unless protocol.has_key?(key)
               next true if value.nil?
 
               if value.to_s.downcase =~ REGEX_PROTOCOL
                 !protocol[key].include?($1.downcase)