Allow moderators to undelete comments deleted by magic words
132534
Allow moderators to undelete the comments deleted after being flagged by a single user
117779
Don't hide (un)deletion votes cast on deleted posts
134399
Automatically hide old comments
86083
Regular (non-moderator) users should be able to override deletions by Community user
53856
Allow moderators to see a summary of flags against a user's comments
7147
Allow for setting comments to "auto-expire", to become "temporary comments"
8310
'Possible duplicate' comment not appearing for questions with deleted comments containing the link
30018
How can I see deleted comments on my question?
106883
Auto-flag duplicates of deleted questions for reopening / deletion
43457
Don't delete comments with link to duplicate if they are modified
111738
Could mods have "add comments to chat" to supplement "move comments to chat"?
107858
Request to be able to delete tag synonyms
3237
Require a comment when deleting an answer or a question
114053
How do I remove default comment validation in drupal 7?
24424
Hide deleted answer content
9131
Let me view the deleted answers to my own questions
79653
Building an archive of deleted questions