docs: def isEnabled(self):
          """
          Return whether or not this layer is enabled and can be set as the \
          current layer.
          
          :sa     linkEnabledToCurrent
          
          :return     <bool>
          """
          
          if self._linkEnabledToCurrent:
              addtl = self.isCurrent()
          else:
              addtl = True
          
          return self._enabled and addtl