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-rw-r--r--actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb b/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb
index a992f7d912..51e0868995 100644
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb
+++ b/actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb
@@ -1,3 +1,6 @@
+require 'set'
+require 'active_support/core_ext/class/inheritable_attributes'
+
module HTML
class Sanitizer
def sanitize(text, options = {})