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.
timmitch1987
1 year, 3 months agoShahrouz
1 year, 4 months agolalaliano
1 year, 8 months ago