code: def space_after(self):
          
          spcAft = self.spcAft
          if spcAft is None:
              return None
          spcPts = spcAft.spcPts
          if spcPts is None:
              return None
          return spcPts.val
docs: The EMU equivalent of the centipoints value in
          `./a:spcAft/a:spcPts/@val`.