# File lib/cgi.rb, line 703
  def out(options = "text/html") # :yield:

    options = { "type" => options } if options.kind_of?(String)
    content = yield

    if options.has_key?("charset")
      require "nkf"
      case options["charset"]
      when /iso-2022-jp/ni
        content = NKF::nkf('-m0 -x -j', content)
        options["language"] = "ja" unless options.has_key?("language")
      when /euc-jp/ni
        content = NKF::nkf('-m0 -x -e', content)
        options["language"] = "ja" unless options.has_key?("language")
      when /shift_jis/ni
        content = NKF::nkf('-m0 -x -s', content)
        options["language"] = "ja" unless options.has_key?("language")
      end
    end

    options["length"] = content.length.to_s
    output = stdoutput
    output.binmode if defined? output.binmode
    output.print header(options)
    output.print content unless "HEAD" == env_table['REQUEST_METHOD']
  end