A voting comment increases the vote count for the chosen answer by one.
Upvoting a comment with a selected answer will also increase the vote count towards that answer by one.
So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
jayanto
Highly Voted 5 years, 4 months agojingchyi87
Highly Voted 4 years, 6 months agoMarkRe
Most Recent 2 years, 6 months agoKacper
3 years, 10 months ago