Complex sentence: Nerval examines the issue of writers (and actors) identifying with their subjects, and he hints at a forthcoming work describing his crises, a reference to his novel "Aurélia" which was published after his death.
Split into simpler sentences: Nerval examines the issue of writers (and actors) identifying with their subjects. He hints at a forthcoming work describing his crises, a reference to his novel "Aurélia" which was published after his death.