code: def highlightBlock(self, block):
          
  
          raise NotImplementedError("{0} | '{1}' must be implemented by '{2}' subclasses!".format(self.__class__.__name__,
                                                                                                  self.highlightBlock.__name__,
                                                                                                  self.__class__.__name__))
docs: Reimplements the :meth:`QSyntaxHighlighter.highlightBlock` method.
  
          :param block: Text block.
          :type block: QString