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11 votes
2 answers
1k views

Why adding a comment requires 50 reputation points?

When a new member tries to write a comment he sees “add comment (requires 50 reputation)” but of course he has no so many points. On the other hand, answering does not require any reputation. Then the ...
4 votes
1 answer
201 views

Problem replying to comments

Usually, I'm able to address a comment to someone by writing "@[whoever]" before the text; but in a comment to a recent question (Compact, densely ordered spaces) I wasn't able to do this: when I ...
14 votes
1 answer
530 views

Interpretation of Time-limit for Editing Comments

Yesterday I had written a comment and, after 4 minutes began editing it. After having finished my editing, I tried to save the comment and was prompted with the message, that editing is only possible ...
18 votes
0 answers
162 views

Making it easier to access hidden comments

This is a follow-up of this recent post, and hopefully a feasible suggestion. Problem: If a question/answer has many comments (say more than fit on my screen) and I decide to read them all, in ...
15 votes
1 answer
337 views

comments that are not displayed right away ("add/see 10 other comments")

Often when I start reading comments, it is only when I come to the end that I see a link like "add/see 10 other comments". I can understand that if there is a huge list of comments for the same ...
11 votes
3 answers
686 views

"This question has been answered in the comments."

Athanagor Wurlitzer has recently been adding answers saying "This question has been answered in the comments" (see, e.g. https://mathoverflow.net/a/156051/3). I'm inclined to delete these answers (...
9 votes
1 answer
471 views

Is it considered good practice to clean up one's "useless" comments?

Hovering with the mouse above the upvoting arrow of a comment shows the text "this comment adds something useful to the post". Therefore arguably the number of upvotes a comment receives equals the ...
12 votes
1 answer
522 views

When to answer a question via a comment?

I have noticed something a bit confusing to me during my first few days here at MathOverflow. In the "about" section it says users can "improve posts by editing or commenting." On multiple occasions I ...
15 votes
0 answers
158 views

Converting a too-long answer in a comment should generate an error message

I just tried to convert an answer into a comment; it was too long for a comment, and the software just truncated the text. I think it would be better to either generate an error message, ask for ...
11 votes
3 answers
385 views

Should there be a general policy for putting comments on "not-suitable-for-MO" questions?

Right now, there is a question posted on MO that rightly does not belong to MO: The equivalence of the mathematical induction and the principle of the smallest. Of course, such questions comes and ...
7 votes
1 answer
292 views

Can a bounty be awarded to an answer in a comment?

Recently I have placed a bounty on this question. The question has no answer in technical terms, but it has been answered in a comment within the bounty period. Now the banner below the question says ...
36 votes
4 answers
880 views

Why not 'thanks' in comments?

I've noticed a message in mathoverflow's place for comments saying that '+1' or 'thanks' comments are not appropriate. I don't agree with the second kind of comment being inappropriate. I think it's ...
10 votes
1 answer
384 views

Questions answered in a comment

It may happen that a question has zero answers, but is actually already answered satisfactorily in a comment. An example is this question. I think this is somewhat misleading, as the "0 answers" ...
5 votes
1 answer
204 views

Backticks breaking MathJax in comments

The backticks that were used to circumvent MathJax problems on MO 1.0 were removed in questions and answers. However, it appears that the comments were not affected by this fix and thus display ...
10 votes
1 answer
196 views

Should I be able to notify multiple people with the same comment?

One of the many things I was excited about in our move from MO 1.0 to 2.0 was the chance to leave responses to previous comments that automatically notify those people. Occasionally, a conversation ...

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