lib/capybara/poltergeist.rb in poltergeist-1.16.0 vs lib/capybara/poltergeist.rb in poltergeist-1.17.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 if RUBY_VERSION < "1.9.2"
   raise "This version of Capybara/Poltergeist does not support Ruby versions " \
         "less than 1.9.2."
 end