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-rw-r--r--lib/webrick/htmlutils.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/webrick/htmlutils.rb b/lib/webrick/htmlutils.rb
index 4cb3d0d7f6..ed9f4ac0d3 100644
--- a/lib/webrick/htmlutils.rb
+++ b/lib/webrick/htmlutils.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
#--
# htmlutils.rb -- HTMLUtils Module
#