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Guardian
etc.
added
section
about
double
(6)
Guardian etc. added section about double (6)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
The definition is Guardian etc., meaning newspapers. For the wordplay, APER (meaning a double, someone who apes another) is placed inside PS (postscript, clued by 'added section'), which gives us the answer.