text: from ..Ascii import Ascii
  
  class Txt(Ascii):
      """
      Txt crawler.
      """
  
      @classmethod
      def test(cls, pathHolder, parentCrawler):
          """
          Test if the path holder contains a txt file.
          """
          if not super(Ascii, cls).test(pathHolder, parentCrawler):
              return False
  
          return pathHolder.ext() in ['txt']
  
  
  # registration
  Txt.register(
      'txt',
      Txt
  )
  