code: def _append_element(self, render_func, pe):
          '''
          Append a render function and the parameters to pass
          an equivilent PathElement, or the PathElement itself.
          '''
          self._render_funcs.append(render_func)
          self._elements.append(pef _append_element(self, render_func, pe):
          '''
          Append a render function and the parameters to pass
          an equivilent PathElement, or the PathElement itself.
          '''
          self._render_funcs.append(render_func)
          self._elements.append(pe)
docs: Append a render function and the parameters to pass
          an equivilent PathElement, or the PathElement itself.