code: def _cut_line(line):
          
          # punct = '"#$%&\'()*+/<=>?@[\\]^`{|}~'
          if re.search("([\t\n\r]+|[\x0b\x0c ]{3,})+", line):
              tmp = re.split("([\t\n\r]+|[\x0b\x0c ]{3,})+", line, 1)
          else:
              tmp = re.split("[" + string.whitespace + "]+", line, 1)
          res = [elt.strip() for elt in tmp if elt.strip() != '']
          return res
docs: Split the line on whitespaces and remove empty chunks
  
          :param line: the line to split
          :type line: str
          :return: list of strings
          :rtype: list