lib/nanoc/checking/checks/html.rb in nanoc-4.7.9 vs lib/nanoc/checking/checks/html.rb in nanoc-4.7.10

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 module ::Nanoc::Checking::Checks
   # @api private
   class HTML < ::Nanoc::Checking::Checks::W3CValidator
     identifier :html