#!/usr/bin/env ruby
require 'tk'

unless /^8\.[1-9]/ =~ Tk::TCL_VERSION && !Tk::JAPANIZED_TK
  require 'tkencoding'
end

TkButton.new(nil,
	'text'=>"Hello Ruby world!",
	'font'=>TkFont.new('k14'),
	'command'=>proc{print "Hello Ruby world!\n"; exit}
).pack

Tk.mainloop
