6

I came across a newly-asked question today. Someone had flagged the post as a possible duplicate, and I agreed with them. After I was done flagging, this happened:

enter image description here

I checked the box, but nothing happened. After refreshing the page, it was gone.

  • What is it?
  • Why is it there?
  • Should it be there?
3

As pointed out by Mat, this comes from a script I stupidly forgot I had installed. I still have no idea what is does, though.

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