class CGI

def _header_for_string(content_type) #:nodoc:
  buf = ''.dup
  if nph?()
    buf << "#{$CGI_ENV['SERVER_PROTOCOL'] || 'HTTP/1.0'} 200 OK#{EOL}"
    buf << "Date: #{CGI.rfc1123_date(Time.now)}#{EOL}"
    buf << "Server: #{$CGI_ENV['SERVER_SOFTWARE']}#{EOL}"
    buf << "Connection: close#{EOL}"
  end
  buf << "Content-Type: #{content_type}#{EOL}"
  if @output_cookies
    @output_cookies.each {|cookie| buf << "Set-Cookie: #{cookie}#{EOL}" }
  end
  return buf
end # _header_for_string