Editor's notation to keep as is (4)

I believe the answer is:

stet

(Other definitions for stet that I've seen before include "'Let it stand, in printing (4)'" , "Restorative direction needed" , "Editorial instruction meaning "let it stand"" , "This must not be changed" , "Let it stand (on proofs)" .)

I've seen this clue in the Sydney Morning Herald.

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