Wrong letter printed excluding metaphors? (7)

I believe the answer is:

literal

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'excluding metaphors?' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for literal that I've seen before include "Avoiding embellishment" , "Accurate and unexaggerated" , "Following the exact meaning" , "Verbatim - true" , "Lacking imagination; misprint" .)

I've seen this clue in The Times.

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