Crossword Genius

React badly at sign of omission (5)

Ross

I believe the answer is:

caret

'sign of omission' is the definition.
(I've seen this in another clue)

'react badly' is the wordplay.
'badly' indicates an anagram.
'react' is an anagram of 'CARET'.

'at' is the link.

(Other definitions for caret that I've seen before include "Indicator of omission" , "Proofreading sign for 'Insert'" , "Sign something's lacking" , "Upward arrow mark" , "Proofreader's sign of omission" .)

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