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Usually it is possible to add a missing tag to a question without editing the question.

However, while editing some questions, the editor makes invisible changes automatically, as for example in version 3 here: https://superuser.com/posts/1545938/revisions This might be due to the CommonMark migration, as mentioned here.

Such invisible changes cause the error "Edits must be at least 6 characters; is there something else to improve in this post?" and thus prevent users below 2k reputation from adding tags to only those answers.

I'm not asking how to trick the system. I'm reporting a bug, where the site doesn't behave as intended (i.e. doesn't allow to add tags without editing the question) on some questions.

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    You can get round this restriction by earning 2k rep on the site.
    – Mark Kirby
    Jul 3, 2020 at 9:51
  • Post a comment to the author suggesting they add the tag. Jul 3, 2020 at 10:13
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    On Meta downvotes are like confetti, they're never alone, try not to to take it personally. Everyone gets downvotes when they post a question on meta that just needed a little research, even when that research was provided. Jul 3, 2020 at 10:15
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    I don't understand it either. Even after researching and providing a solution to this problem, I still don't fully understand what happens. It might not be a bug but it's certainly unusual.
    – Glorfindel Mod
    Jul 3, 2020 at 10:18
  • ^ This question is answered in that linked post's section I'm not modifying the post body, but I'm still receiving an error about needing to change six characters. What gives?. (@Glorfindel) Jul 3, 2020 at 11:11
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    @SonictheMaskedWerehog yeah, I thought I recognized the issue. However, this is a very recent post (two months old), so perhaps it's worth looking into by the developers to what extent CommonMark plays a role in this and whether they need to fix anything.
    – Glorfindel Mod
    Jul 3, 2020 at 11:14

1 Answer 1

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Usually, this is possible, but it might be that the editor automatically strips one or two characters from the question body and interprets this as a change. If you link to the post we can be sure. Most of the times, you can improve something else in the post, or perhaps substitute a word with a synonym and indicate you did this only because of the error message you got.

I just hit the 'edit' link and the 'Save Edits' button and some changes were applied: see the revision history. I suspect the CommonMark migration is to blame. Even the API doesn't tell me the difference between the two revisions.

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  • Here's the question: superuser.com/questions/1545938/… What does the editor do exactly?
    – root
    Jul 3, 2020 at 10:05
  • @root I have no idea, but I just hit the 'edit' link and the 'Save Edits' button and some changes were applied: superuser.com/posts/1545938/revisions. I suspect the CommonMark migration is to blame. You can go ahead and make the suggested edit now.
    – Glorfindel Mod
    Jul 3, 2020 at 10:15
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    If you compare rivisions side by side, the site tells you 3 identical lines are skipped. Perhaps turn thins into a bugreport @Glorfindel regarding the commonmark Migration?
    – Luuklag
    Jul 3, 2020 at 11:06

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