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-rw-r--r--lib/rdoc.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/rdoc.rb b/lib/rdoc.rb
index a99e5dc309..bdd3b06e2a 100644
--- a/lib/rdoc.rb
+++ b/lib/rdoc.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
$DEBUG_RDOC = nil
# :main: README.rdoc