code: def match(self, p_todo):
          
          for my_tag in config().hidden_item_tags():
              my_values = p_todo.tag_values(my_tag)
              for my_value in my_values:
                  if not my_value in (0, '0', False, 'False'):
                      return False
  
          return True
docs: Returns True when p_todo doesn't have a tag to mark it as hidden.