There is one box at the top with links to the duplicates, and one box under the question, starting with "marked as duplicate by ...". Actually I have never seen the links before today - I have totally missed them, so I have just wondered throughout all the years I have been a passive reader, where those duplicates were. I think when I have arrived at a page, I have just scrolled past the "header" (including the title of the question, an ad and the first duplicate box) down to the question text and the first answer, and there in between - the second duplicate box, which I have noticed. But there is no explanation or hint where to find the duplicates, which one have to find further up the page.

Reading and scrolling from the top to the bottom, I think it is illogical to go up again to find the links/duplicates, that the second box mentions. A notice could be written that they are "above", but I think it would just be better if these were combined, to have all information in one place/box.

Or is there any reason that this information should be split into two boxes?


Update: Following the revamp to post notices made in November 2019, there is now just one notice about duplicate closures shown in the question, above its body. At the time this answer was posted, on the other hand, there were two notices: one above the body with the link to the target, and one below the body stating that it had been marked as a duplicate and what that meant.

On questions marked as duplicates prior to February 2013, there are two notices, one in the usual spot for notices, and one in the body as a quote edited into it. This is because duplicate target links weren't internally saved at that time and were instead auto-edited into question bodies. See below for further info.

The reason for this is mostly historical.

In the past, the closing system was a lot simpler, and the duplicate close reason was treated internally in pretty much the same way as other close reasons, with just a different name and reason text. Back then, every close reason had to fit in the following form, and no extra features such as a banner with links could be added:

closed as [insert reason here] by [insert close voters here]

[insert static reason explanation here]

In fact, the banner for duplicate closures used to look something like this:

closed as exact duplicate by OneUser, TwoUsers, ThreeUsers, FourUsers, FiveUsers

This question covers exactly the same ground as earlier questions on this topic; its answers may be merged with another identical question.

Asides aside, to supply the duplicate link with this very simple architecture, which only added this one notice with a reason name and (static, non-modifiable) explanation text, they had to fudge it in somehow: until February 2013, the duplicate link was edited into the question body by the Community user (example of such a question). There were two places to put the duplicate link: at the top, or at the bottom. I'm guessing the edit didn't look good at the bottom, so it was put at the top.

In February 2013, big changes were made to the duplicate close reason, as part of a broader rework of close reasons (among other things, adding "duplicate" instead of "closed" to the titles of questions closed as duplicates, and the now-former five-day "on hold" period for non-duplicate closures). One of those changes was to replace the Community edit with the automatic box you see today.

While the team could have implemented the duplicate link as part of the notice instead of a separate box because of the big modifications then, it would have made things fragmented between newer closures (with the link in the notice below) and older ones (with the link at the top of the post body). Also, while they could have implemented a script to automatically remove the old notices and replace them with the new form, this would have taken up more time and resources, and there are too many edge cases (what if someone edited the duplicate links later?). Also, if there were to be a bug in the script, it would have created an outright mess that would take a long time to resolve.

In summary, the link is where it is, because of backward compatibility with the old system. If the system were being designed today, there would have likely been a different architecture for closures, and the link would have most likely been in the notice below.

There exists another request on Meta Stack Overflow to make the duplicate part of the close notice, and not a separate link at the top.

Just a quick note: I'd highly recommend that users not reopen and close questions with the old notice, so they show the new notice. This wipes out the original close voters and original close date from the notice shown, bumps those old posts (with the reopening), and has no overall marginal benefit.

  • In addition, with the link at the top, it acts as a sign post: anyone arriving at the duplicate will see the link to the dupe target as the first thing without having to scroll down to the "closed by..." block. – Draco18s no longer trusts SE Jan 22 '18 at 6:16
  • Thanks for the info! I see that the request at Meta Stack Overflow is identical and a lot of other people have experienced the same. Anyone knows it there is some progress or is something like this just ignored!? I think it would be quite easy to also add the links in the lower box too (and show it to everyone, if it is just shown to the author now - I just saw that part quickly). – PatrikN Feb 4 '18 at 19:40
  • @PatrikN It's not ignored; the team just has a lot of requests to go through and they can't get back quickly to every request. Here are some tips to increase the chances they'll respond to your request. – Sonic the Curiouser Hedgehog Feb 4 '18 at 19:43
  • Ah, nice tips, although it's quite hard as a new user to edit or comment, since I don't have the required privileges. I can see I'm not the first one that unhappy with that, so I'll look through those questions and see if there is any useful tips there :-/ Regarding the request, is there any sign that it is open/unresolved or is there a list somewhere with the most wanted requests? – PatrikN Feb 4 '18 at 20:03
  • @PatrikN If you think it mostly affects you, and not really others, you could ask another question asking for a user script to make it show in the box for you only, or search on Stack Apps for one. – Sonic the Curiouser Hedgehog Feb 4 '18 at 20:08
  • @Ano, I figured out that one can see the most wanted requests and maybe with some more tags/filtering. – PatrikN Feb 19 '18 at 0:12

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