rails 2 utf-8

gistfile1.rb

if Rails::VERSION::MAJOR == 2
  require "active_support/core_ext/string/output_safety"
 
  class ERB
    module Util
      # see https://github.com/rails/rails/issues/7430
      def html_escape(s)
        s = s.to_s
        if s.html_safe?
          s
        else
          s.gsub(/[&"'><]/, HTML_ESCAPE).html_safe
        end
      end
 
      alias h html_escape
 
      singleton_class.send(:remove_method, :html_escape)
      module_function :html_escape, :h
    end
  end
else
  puts "You can delete this file+test now #{__FILE__}"
end

filters out weird utf-8 error
/usr/local/rvm/gems/ruby-1.9.3-p0/gems/activesupport-2.3.17/lib/active_support/core_ext/string/output_safety.rb:22: warning: regexp match /.../n against to UTF-8 string