the almost link-only answer writes:
This is used to delimit the quoted code in the relevant snippet file
The question was about qdoc and the answer is about doxygen. Yet, the answerer collected five scores as of writing this and the OP has even been fouled into this and the OP did mark the answer as the correct one.
Some users started to write this is nonsensical a reply and what is more: the answerer did not start hiding in shame deleting his “answer” in no time. No, the answerer seems to be an active user, yet he keeps this around.
IT IS REALLY HARD TO FIND A WORD!