docs: def color_is_allowed():
      ''' Look for clues in environment, e.g.:
  
          - https://bixense.com/clicolors/
          - http://no-color.org/
  
          Returns:
              Bool:  Allowed
      '''
      result = True  # generally yes - env.CLICOLOR != '0'
  
      if color_is_disabled():
          result = False
  
      log.debug('%r', result)
      return result