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-rw-r--r--lib/rdoc/markup/to_bs.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/rdoc/markup/to_bs.rb b/lib/rdoc/markup/to_bs.rb
index 10c31854d2..d55f64c5e7 100644
--- a/lib/rdoc/markup/to_bs.rb
+++ b/lib/rdoc/markup/to_bs.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
##
# Outputs RDoc markup with hot backspace action! You will probably need a
# pager to use this output format.