I think it's "Fanservice" if the actual authors* do self-referential works and "Fanfic" if anyone else does it. So the Sherlock series is Fanservice. It's also that way if you include "amateur" in the definition of "Fanfic". However there's also works where there are references to other canons in your own original work: eg. the endless pulp and genre fiction references in the old "Man From U.N.C.L.E." paperbacks. Those might be called "Fanfic" but I think they're generally just called "homages". It's a "Tuckerism" if you put your friends in although Lovecraft and Bloch did it earlier than Tucker when they killed each other off in their short stories.
* Of course here they're not the original ACD authors but I'm counting "author" as someone working within one canon.
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Date: 2012-05-29 04:41 pm (UTC)From:* Of course here they're not the original ACD authors but I'm counting "author" as someone working within one canon.