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.
Aziz8903
1 year, 3 months agonprestel
4 years, 1 month agolei2006365
4 years, 3 months agoTusharD
4 years, 7 months ago