docs: def toxml(self):
          """
          Exports this object into a LEMS XML object
          """
  
          # Probably name should be removed altogether until its usage is decided, see
          # https://github.com/LEMS/LEMS/issues/4
          #  '''(' name = "{0}"'.format(self.name) if self.name else '') +\'''
  
          return '<Unit' +\
            (' symbol = "{0}"'.format(self.symbol) if self.symbol else '') +\
            (' dimension = "{0}"'.format(self.dimension) if self.dimension else '') +\
            (' power = "{0}"'.format(self.power) if self.power else '') +\
            (' scale = "{0}"'.format(self.scale) if self.scale else '') +\
            (' offset = "{0}"'.format(self.offset) if self.offset else '') +\
            (' description = "{0}"'.format(self.description) if self.description else '') +\
            '/>'