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-rw-r--r--spec/support/banzai/reference_filter_shared_examples.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/spec/support/banzai/reference_filter_shared_examples.rb b/spec/support/banzai/reference_filter_shared_examples.rb
index 476d80f3a93..27765652f28 100644
--- a/spec/support/banzai/reference_filter_shared_examples.rb
+++ b/spec/support/banzai/reference_filter_shared_examples.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
# Specs for reference links containing HTML.
#
# Requires a reference: