Can you please tell me if I'm right in thinking that the where clause in this sentence is nonrestrictive? In that case, should there be a comma before where here? Or is the where clause revealing crucial information that should be linked to the main clause?
Instead, his eyes flitted to the floor where a tattered book lay open on the carpet.
I hear it as restrictive. It's not just any part of the floor, but specifically that part of the floor where the tattered book can be seen. I would not insert a comma.
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I hear it as restrictive. It's not just any part of the floor, but specifically that part of the floor where the tattered book can be seen. I would not insert a comma.
Others may have various other interpretations.
CJ