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-rw-r--r--lib/rdoc/code_objects.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/rdoc/code_objects.rb b/lib/rdoc/code_objects.rb
index f1a626cd2e..564849e1d1 100644
--- a/lib/rdoc/code_objects.rb
+++ b/lib/rdoc/code_objects.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
# This file was used to load all the RDoc::CodeObject subclasses at once. Now
# autoload handles this.