class RDoc::Generator::POT::MessageExtractor

def extract_text(text, comment, location = nil)
  return if text.nil?
  options = {
    :extracted_comment => comment,
    :references => [location].compact,
  }
  i18n_text = RDoc::I18n::Text.new(text)
  i18n_text.extract_messages do |part|
    @po.add(entry(part[:paragraph], options))
  end
end