@pfefferle Something inbetween a classic pingback / traceback and the same presentation as a normal “retweet” / “retoot” / “share”
I don’t think it should appear as a comment as it isn’t a directly reply to the post, it’s merely a mention / sharing of it
It could chronologically appear among the comments, but like pingback / traceback and such it should not appear as a style of a comment.
And if one shows the number of shares a post have gotten, then a quote should for sure increase that one.