class Kramdown::Converter::Rfc2629

def clean_pcdata(parts)    # hack, will become unnecessary with XML2RFCv3
  clean = ''
  irefs = ''
  # warn "clean_parts: #{parts.inspect}"
  parts.each do |p|
    md = p.match(%r{([^<]*)(.*)})
    clean << md[1]
    irefs << md[2]        # breaks for spanx... don't emphasize in headings!
  end
  [clean, irefs]
end