Today I saw that a question was marked as a duplicate, but the original was also a duplicate. The question marked as a duplicate can be found here. The question that is a duplicate, but never got marked as one can be found here. The real original question can be found here.

So why did the first question get marked as a duplicate, but the second one didn't?

2 Answers 2


Well, because nobody flagged the question as a duplicate, or cast a close vote. You can see this in the timeline of the post - both actions would have put this in the Close Vote review queue, of which there would be a trace in the timeline. Note that the Close Vote review queue is by far the largest queue, so it might not even be reviewed completely before the votes age away.

  • So it probably won't ever get marked as a duplicate then? Jul 1, 2016 at 11:57
  • @JacquesMarais you can initiate this yourself, by clicking the 'flag' option below the question.
    – Glorfindel Mod
    Jul 1, 2016 at 12:01
  • I have done so already. Jul 1, 2016 at 12:03
  • @JacquesMarais thanks - it worked, it is now in the review queue: i.stack.imgur.com/hmfDC.png
    – Glorfindel Mod
    Jul 1, 2016 at 12:05
  • Ok, thanks. Hope it will get fixed soon Jul 1, 2016 at 12:06

Questions will only be closed as a duplicate if:

1) Somebody notices that it is a duplicate
2) Bothers to flag it as such
3) The flag is seen and acted upon before it ages away

It is often the first point - the noticing - that doesn't happen.
Now you've noticed a duplicate, you've achieved the first step. Flag it.

There are probably hundreds of duplicate questions across the SE sites.

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