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-rw-r--r--lib/rdoc/generator.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/rdoc/generator.rb b/lib/rdoc/generator.rb
index 7d3989d42f..d37d1db61f 100644
--- a/lib/rdoc/generator.rb
+++ b/lib/rdoc/generator.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
##
# RDoc uses generators to turn parsed source code in the form of an
# RDoc::CodeObject tree into some form of output. RDoc comes with the HTML