docs: def _onDocstring( self, docstr, line ):
          " Memorizes a function/class/module docstring "
          if self.objectsStack:
              self.objectsStack[ -1 ].docstring = \
                                   Docstring( trim_docstring( docstr ), line )
              return
  
          self.docstring = Docstring( trim_docstring( docstr ), line )
          return