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-rw-r--r--lib/banzai/filter/external_issue_reference_filter.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/banzai/filter/external_issue_reference_filter.rb b/lib/banzai/filter/external_issue_reference_filter.rb
index ed01a72ff9f..b4a7a44e109 100644
--- a/lib/banzai/filter/external_issue_reference_filter.rb
+++ b/lib/banzai/filter/external_issue_reference_filter.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module Banzai
module Filter
# HTML filter that replaces external issue tracker references with links.