I was digging through some lovely unicorn paraphernalia, when I came across a comment which is now incorrect. I attempted flagging it as 'obsolete', but I got this error message:

enter image description here

Doesn't Community know that links can sometimes fix themselves after a while? If not, I think we need to teach him, don't you?


It turns out that it's not necessarily a problem with flagging a comment by the Community user, but it is instead a problem with the link validator.

This link, for example, will work if I paste it into my browser's URL, but not if I use it as an inline image:


Testing inline below: inline test http://unicorn.%C3%BC-wie-geek.de/0.2/128/4f7c0c43b0fb87f905d369d42d2667ac.png

However, this link (it doesn't work in the browser), while it works for embedding images (as you can see in the post I linked) gets flagged as 'invalid' by community:


(cannot post inlining attempt, but see this revision: https://meta.stackoverflow.com/revisions/37565/2)

And this link, which works in the browser, also doesn't work for inlining images:


inline test http://unicorn.%C3%BC-wie-geek.de/0.2/128/4f7c0c43b0fb87f905d369d42d2667ac.png

Overall, pretty bugged up stuff here, don't you think?

  • Uh, didn't follow you.
    – djechlin
    Commented May 12, 2013 at 13:41
  • @djechlin you cannot flag a comment made by community for that purpose, if the link has been corrected. Seems like a bug to me. Commented May 12, 2013 at 13:42
  • +1 sounds like bug, if 1) it didn't clean up its comment and 2) you aren't allowed to either.
    – djechlin
    Commented May 12, 2013 at 13:43
  • Now it's really fixed, most likely the comment will be deleted soon. Commented May 12, 2013 at 13:55
  • To rule out blacklisting, this URL appears to work (in comments, at least): unicorn.ü-wie-geek.de Commented May 12, 2013 at 14:14
  • The link review queue was a better idea...
    – ɥʇǝS
    Commented May 12, 2013 at 15:09
  • Is the bug here the URL or the comment? I'm confused.
    – Shog9
    Commented May 12, 2013 at 17:06
  • @Shog9 maybe both. The comment still hasn't been removed since ShaWizDowArd made his edit, and the URL isn't properly parsed I think. Commented May 12, 2013 at 17:07
  • I'd give the comment at least a day to go away before calling that broken (it might well be broken, but it'd hardly be surprising if it didn't re-check the links in real-time). The URL you should probably report separately.
    – Shog9
    Commented May 12, 2013 at 17:09

2 Answers 2


Any user who is able to flag can now flag comments authored by the Community user as no longer needed, per changes made here.

  • I hope the error message for other comment flag types on Community comments has been modified to more clearly point to the issue. What does it say now? Commented Sep 14, 2021 at 19:54

No, Community♦ is kind of right, there is an invalid link in that post:

enter image description here

The message is just not quite easy to see, since it pops up at the top of the page, and not near the post, when you pretend to try to edit it.

  • But the link does infact work. That's the problem here. Commented May 12, 2013 at 13:50
  • It is not allowed. (aka blacklisted) Commented May 12, 2013 at 13:50
  • 5
    @RichardJ.RossIII "invalid" doesn't necessarily mean the link doesn't work. "Link not allowed" implies "invalid link". Commented May 12, 2013 at 13:51
  • Yes, but just because the host has a UTF character shouldn't mean it's an invalid link, does it? Commented May 12, 2013 at 13:52
  • I don't know if the link is forbidden or unicode urls are not allowed. Commented May 12, 2013 at 13:53
  • @RichardJ.RossIII I'm not arguing whether the link should be allowed. By whatever criteria were decided, the link is not allowed (hence considered invalid). Therefore, you not being able to flag it as obsolete is the correct behaviour. Commented May 12, 2013 at 13:54
  • @TinSoldiersAndNixonsComin' I disagree. If the Community user messed up for some reason, we should be able to correct him. It's that simple, really. Even if the host itself was blocked, if the URL was harmless (such as a link to a clean PNG, which this is), it should be able to stay IMO. Commented May 12, 2013 at 13:56
  • @RichardJ.RossIII That's an entirely different thing. One would need to have some dev allow that link (I suppose Community doesn't decide which links are allowed and which not by itself). As long as that link is disallowed, Community really should behave as it did. Commented May 12, 2013 at 13:58
  • @TinSoldiersAndNixonsComin' very strange. I did some testing in the formatting sandbox, and it appears that using the unicode character itself doesn't work (and doesn't get flagged), but the UTF-8 escaping of it (which, ironically, allows it to be linked properly) causes community to go off. Commented May 12, 2013 at 14:00
  • @RichardJ.RossIII Tried URL-encoding it? Maybe that would work. Commented May 12, 2013 at 14:02
  • @TinSoldiersAndNixonsComin' that seems to be what causes the community user flagging it and giving me a fit. Still testing though. Commented May 12, 2013 at 14:02

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