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A quine is a program which produces its source as output. This tag indicates that the challenge is related to quines.

A quine is a program which produces its source as output. It is generally not allowed to read from anything (file, stdio), and empty files are not considered valid quines.

Note that this tag may be used for challenges to produce near-quines; basically, use this tag to indicate that a challenge is related to quines.

Unless explicitly specified otherwise in the challenge, challenges tagged allow only proper quining techniques; submitting an improper quine is a standard loophole and is disallowed.

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