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-rw-r--r--lib/irb.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/irb.rb b/lib/irb.rb
index 51961db20c..b9b39c9f28 100644
--- a/lib/irb.rb
+++ b/lib/irb.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
#
# irb.rb - irb main module
# $Release Version: 0.9.6 $