Questions about the question mark (?) that appears at the end of questions.

The question mark (?; also known as an interrogation point , interrogation mark, question point, query or eroteme), is a punctuation mark that replaces the full stop (period) at the end of an interrogative sentence in English and many other languages. The question mark is not used for indirect questions. The question mark character is also often used in place of missing or unknown data.

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