Arguing whether to include bat in guidebook contents (8)

I believe the answer is:

debating

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'arguing' is the definition.
('debate' can be a synonym of 'argue')

'include bat in guidebook contents' is the wordplay.
'contents' indicates a hidden word (I've seen 'content of' mean this).
'DEBATING' is hidden in the letters of 'include bat in guidebook'.

'whether to' is the link.
I am not very happy about this link. Some or all of it may belong to another bit of the clue.

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

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