It appears that a recent update has introduced a design flaw: on posts that have had comments that have all been deleted, a gray horizontal line appears above the "add comment" button a few seconds after it loads. Here's an example post:

Line above "add comment"

But on this post, which (to my knowledge) has never had any comments posted on it before, not even deleted ones, doesn't show such a horizontal line.

While it probably is a good idea to indicate publicly that comments have been posted on the post, but have all been deleted, I think this line is probably an unintentional design bug. Also, in my opinion, any such intentional indicator should be much more conspicuous.

Reproduced under both Internet Explorer 11 and Chrome on Windows 8.1.

Update: This appears to happen only when following a link to a deleted comment, not when following a link to the post itself. When following a link to a deleted comment on a post that has had all its comments removed, the line is visible; otherwise, when following a link to the post itself, it's not. The line appears a few seconds after the post has loaded.

  • 2
    No repro in Chrome / Win 10: This is what I see, no user scripts running i.stack.imgur.com/9Di0q.png
    – rene
    Nov 5, 2019 at 7:17
  • But very faint lines appear under all posts, in firefox at least.
    – W.O.
    Nov 5, 2019 at 7:19
  • I see a line under the Q of neither question. FF on Mac. I do see a line under the answer of the first question, where there are comments. Also on this question I see a line, since there are comments.
    – Luuklag
    Nov 5, 2019 at 8:01
  • Using Chrome, 78.0.3904.70, on a MacBook, OS X Yosemite, no line appears when I view the page. Nov 5, 2019 at 9:55
  • 3
    Please indicate the operating system you are using, which browser and its version. Nov 5, 2019 at 9:58
  • I reproduced it in an answer to this question. Opened a link to a deleted comment to my answer and saw the line. Very unlikely that this happens often but should probably fix it nonetheless. Mar 4, 2020 at 17:53
  • Just noticed this again following the comment link of this question: meta.stackexchange.com/questions/349903/…. From inspecting the HTML in Chrome dev tools, it looks like a dno class is added to the comment container for each post if there are no comments. But this class is removed when following a link to a comment. That's what causes the border to show. It looks like dno causes the display:none css rule to apply. Jun 24, 2020 at 20:09


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