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George R.R. Martin and other authors sue OpenAI for copyright infringement
(www.theverge.com)
This is a most excellent place for technology news and articles.
Considering the author of berserk literally died before finishing his manga that is going on for 25+ years, I'd say they both are fighting for second place.
Third place, maybe. First place belongs to the Epic of Gilgamesh, who published a chapter after a hiatus of more than four millennia.