I don't see any confusion by not having a trailing colon in #+print_bibliography. Where would there be? (I'm asking, because I'm tutoring a couple novel users and it would be good to have an answer ready if they ask ;-) )
Best, /PA
--
Fragen sind nicht da, um beantwortet zu werden,
Fragen sind da um gestellt zu werden
Georg Kreisler
Headaches with a Juju log:
unit-basic-16: 09:17:36 WARNING juju.worker.uniter.operation we should run a leader-deposed hook here, but we can't yet