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Recently, I have seen several comments that were flagged as "Mini-answer in a comment". For example, most recently, the following comment on the question "Is it easier for someone who has a background in physics, mathematics, etc. to learn Greek?", which currently has four answers:

I'm sure a math background could helpwith learning the alphabet, but realistically, I doubt this would help one learn the language itself in any great way. A language is a big, big set of information, of which the alphabet is but 24 elements

The comments that have been flagged for the same reason (so far) seemed rather short or (sometimes) opinionated to serve as good answers. But I didn't see a compelling reason to deleted them either. (Deleting comments for the sake of reducing the number of comments is not what I would call a compelling reason.)

We can try to encourage people to answer in answers, as pointed out on Meta Stack Exchange, but what does that mean for the handling of this type of comments. A search on Meta SE didn't turn up any useful suggestions. So can we discuss whether something should be done about them? And if yes, what?

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I concur with the idea that (semi-)answers in comments are evil rather than good.
As an ex- Pro-tem Mod at Ukrainian Language.SE, I tried to to advertise this idea, but despite the effort, the result was unfortunately far from my expectations.

The only goal for comments must be improving the post — Question or Answer, respectively. Everything else is just noise that harms readability.

In some cases (semi-)answers in comments deter others from contributing full answers. The logic is simple: I know the answer, I want to post it as a full-featured Answer, but then I see someone's Comment that hints toward a solution, then I hesitate to post my own Answer because I don't want look like I'm stealing someone else's ideas.

This question at RPG.SE and answer to it are worth posting here completely:

You should not answer in comments. Not partial answers, not full answers. Not "leads on" an answer. Not "I would answer but I'm tired/just woke up/am drunk so I'll just say this..." These will be deleted. Answer in answers.

Answering in comments does the following things.

  1. It bypasses question closes. They're closed for a reason.
  2. It provides an answer that can't be marked as an answer for future people's knowledge.
  3. It contributes to long comment debates as you can comment on an answer, but it's unclear what you're commenting on in a comment thread.
  4. It is "cheating" by locking your answer to the top. Answers with higher votes/accepted answers should go to the top to indicate their quality. Bypassing that by sticking your answer in a comment on the question is unacceptable.
  5. It bypasses all our quality control mechanisms: we can't downvote your "answer", edit it, or comment on it to request clarification or improvements. Answers also bump a question to the top so that people will scrutinize the answer; comments don't do this.

The long and short of it is, every part of how how the site functions, all of which have lengthy justification as being part of the process of SE - rep, answers, accepts, edits, etc - is obviated by using comments for answers. So every good goal of all that functionality is nullified by this practice.

Now, "but the hapless questioner could use that info!" In nearly all cases someone posts the same information in a (much more comprehensive) answer. Or take the time yourself to write a real answer. We don't like crappy questions or crappy answers, and we'd rather not have the Q or A than to have one that doesn't meet site quality (hence closes/deletes, part of the standard SE functionality). If you don't care enough to write a real answer don't, the likelihood that you're the only person in the world/on the site that knows that bit of info is very small.

While users are welcome to steal the info in the comments to generate answers of their own, that will not slow the pace of dealing with the answers-in-comments via flagging and deletion.


As per the Handling this type of comments, have you tried the obvious steps?

  • ask the author of the comment to post the comprehensive Answer;
  • if the semi-answer indeed contains a valuable gem of information, post it as a Comm-Wiki answer;
  • in all cases, remove the comment afterwards;
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    Thanks. I hadn't thought of posting valuable comments as community-wiki answers. – AModHasNoName Jul 31 at 19:53

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