1) Decided to keep 2) Left in, to a proofreader 3) Made marks on galleys 4) Marked for inclusion 5) Marked text to keep 6) Marked to remain 7) Marked to retain, on proofs 8) Not taken out 9) Undid a dele 10) Used an editorial instruction Found on https://www.crosswordclues.com/clue/stetted