class KramdownRFC::KDRFC

def process_xml_locally(input, output, *flags)
  warn "* converting locally from xml #{input} to txt #{output}" if @options.verbose
  begin
    o, s = Open3.capture2(*KDRFC_PREPEND, "xml2rfc", *v3_flag?, *flags, input)
    puts o
    if s.success?
      warn "* #{output} written" if @options.verbose
    else
      raise IOError.new("*** xml2rfc failed, status #{s.exitstatus} (possibly try with -r)")
    end
  rescue Errno::ENOENT
    warn "*** falling back to remote xml2rfc processing (web service)" # if @options.verbose
    process_xml_remotely(input, output, *flags)
  end
end