t / t4034 / bibtex / preon commit git-prompt.sh: don't put unsanitized branch names in $PS1 (8976500)
   1@article{aldous1987uie,
   2  title={{Ultimate instability of exponential back-off protocol for acknowledgment-based transmission control of random access communication channels}},
   3  author={Aldous, D.},
   4  journal={Information Theory, IEEE Transactions on},
   5  volume={33},
   6  number={2},
   7  pages={219--223},
   8  year={1987},
   9}