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-rw-r--r--lib/cgi/html.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/cgi/html.rb b/lib/cgi/html.rb
index db47bb8266..4b9e577b32 100644
--- a/lib/cgi/html.rb
+++ b/lib/cgi/html.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
class CGI
# Base module for HTML-generation mixins.
#