The XP folks call this "code smell". It's a signal that some restructoring or refactoring is needed in the code.

Yeah, like the quote from "Refactoring" by Fowler:

If it stinks, change it

-- Grandma Beck on child-rearing

:)

For those who wonders, "Grandson" (Kent) Beck is one of the XP gurus.

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You have moved into a dark place.
It is pitch black. You are likely to be eaten by a grue.