This would not be that hard to implement. Each comment could have a list of linking comments. Then whenever a comment links to another, which is not hard to detect as links are already detected to support the comment markups, the list of the linked comment can be updated.
This would not be that hard to implement. Each comment could have a list of linking comments. Then whenever a comment links to another, which is not hard to detect as links are already detected to support the comment markups, the list of the linked comment can be updated.