docs: def abs_vert_pos(self, amount):
          '''Specify vertical print position from the top margin position.
          
          Args:
              amount: The distance from the top margin you'd like, from 0 to 32767
          Returns:
              None
          Raises:
              RuntimeError: Invalid vertical position.
          '''
          mL = amount%256
          mH = amount/256
          if amount < 32767 and amount > 0:
              self.send(chr(27)+'('+'V'+chr(2)+chr(0)+chr(mL)+chr(mH))
          else:
              raise RuntimeError('Invalid vertical position in function absVertPos')