https://greasyfork.org/en/scripts/12493-hacker-news-folding-subtrees https://greasyfork.org/en/scripts/12493-hacker-news-folding-... I wrote this a while ago,

https://greasyfork.org/en/scripts/12493-hacker-news-folding-subtrees https://greasyfork.org/en/scripts/12493-hacker-news-folding-... I wrote this a while ago, which seems to work. I reused the vote arrow with 1/4-turn rotation, placed on the other side of the comment header line to avoid confusion.