docs: def init(deb1, deb2=False):
      """Initialize DEBUG and DEBUGALL.
  
      Allows other modules to set DEBUG and DEBUGALL, so their
      call to dprint or dprintx generate output.
  
      Args:
          deb1 (bool): value of DEBUG to set
          deb2 (bool): optional - value of DEBUGALL to set,
                       defaults to False.
  
      """
      global DEBUG        # pylint: disable=global-statement
      global DEBUGALL     # pylint: disable=global-statement
      DEBUG = deb1
      DEBUGALL = deb2