[Advent] Dec 7 -- Select a Gift

Dear Participant of the Advent(2)!

Just now, Christian Dietrich opened a new door for us in our system-call Advent calendar:

| Dec 7 -- Select a Gift | | Article: https://ibr.cs.tu-bs.de/advent/07-select/ | Workload: ~110 source-code lines

Kind Regards! The council of ELFers