Changing text that is displayed when hitting the time limit for comment deletion
6193
Deleting a comment (mine) shouldn't count as a comment vote
120472
Add/Show comments focuses text box by default
51469
Allow converting comments to answers
114694
Editing old/others' comments
2290
Can we implement temporary automatic comment ban on 'x' number of validated rude comment flags?
72700
Change HTML Produced by wp_list_comments()
18033
How do I use formatting in comments?
42721
Self destructing comments
144649
Long comments can break layout
70088
Give me a blank Comment box when I am Improving a Suggested Edit
36073
@ symbol not allowed more than once on comments
134869
URL should not count towards a comment's character count
51569
Don't remove the @ part of my comment
29502
Add comment, leave page, lose comment
26712
How about newlines within comments?
47370
How do you choose when to show the "Please avoid extended discussions in comments" notice?
114053
How do I remove default comment validation in drupal 7?