Is the following correct?
Many polite requests or instructions are made in the form of a question. But because they are not really questions, they do not take a question mark:
Different style manuals have different ideas about punctuation. I've never heard the punctuation advice you've quoted here. I would have used question marks.
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Different style manuals have different ideas about punctuation.
I've never heard the punctuation advice you've quoted here. I would have used question marks.
Any idea what style manual it comes from?
CJ