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-rw-r--r--test/strscan/test_stringscanner.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/strscan/test_stringscanner.rb b/test/strscan/test_stringscanner.rb
index 260ab6c558..ee97e454fe 100644
--- a/test/strscan/test_stringscanner.rb
+++ b/test/strscan/test_stringscanner.rb
@@ -1,4 +1,5 @@
# -*- coding: utf-8 -*-
+# frozen_string_literal: false
#
# test/strscan/test_stringscanner.rb
#