Crossword Genius

Change, for instance, nothing about second self (8)

Ross

I believe the answer is:

alterego

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'second self' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'change for instance nothing' is the wordplay.
'change' becomes 'alter' (synonyms).
'for instance' becomes 'eg' (short for 'exempli gratia', 'for example' in Latin).
'nothing' becomes 'O' (looks like zero - 0).
'alter'+'eg'+'o'='ALTEREGO'

'about' acts as a link.

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I've seen this clue in The Irish Times.
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