Crossword Genius

Notes anagram: I left one to be resolved (10)

Ross

I believe the answer is:

marginalia

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'notes' is the definition.
(I've seen this before)

'anagram i left one to be resolved' is the wordplay.
'left' is a deletion indicator.
'one' becomes 'a' (a thing is one thing).
'to be' indicates anagramming the letters.
'resolved' becomes 'lia' (I can't justify this - if you can you should give a lot more credence to this answer).
'anagram'+'i'='anagrami'
'anagrami' with 'a' taken away is 'nagrami'.
'nagrami' is an anagram of 'margina'.
'margina'+'lia'='MARGINALIA'

Can you help me to learn more?

(Other definitions for marginalia that I've seen before include "Comments on the side" , "bits on the side" , "Notes written beside text" , "Notes written on the side" , "explaining letters put on one side" .)

I've seen this clue in The Times.
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