This works for me, however, instead of looking for the device `TPPS/2 Elan Trackpoint`, I had to use the id of `TrackPoint Keyboard 2`. The downside of this fix is that pasting with the middle button does not work anymore.
Y. Zheng, F. Liu, and H. Hsieh. International Conference on Knowledge Discovery and Data Mining (SIGKDD), page 1436--1444. New York, NY, USA, ACM, (2013)