handle ext/ as r53141

g -L frozen_string_literal ext/**/*.rb|xargs ruby -Ka -e'ARGV.each{|fn|puts
fn;open(fn,"r+"){|f|s=f.read.sub(/\A(#!.*\n)?(#.*coding.*\n)?/,"\\&#
frozen_string_literal: false\n");f.rewind;f.write s}}'

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/tk/sample/tkextlib/tkHTML/hv.rb

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: false
 #
 # This script implements the "hv" application.  Type "hv FILE" to
 # view FILE as HTML.

ext/tk/sample/tkextlib/tkHTML/ss.rb

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: false
 #
 # This script implements the "ss" application.  "ss" implements
 # a presentation slide-show based on HTML slides.