I've seen this but this situation is a bit different. While going through the re-open review queue I came across this in which the OP added a likely offensive remark into the edit comment. Although I understand their frustration I don't think it's helpful and see no need to drop an F bomb into a comment requesting re-opening of a question. What should be done in a situation such as this?
Just a note, and so we can consider this status-completed without marking it as such (since this wasn't a request for assistance):
The specified offensive edit comment has been revised to remove the profanity. You're right that profanity shouldn't be anywhere, even in edit messages, heh.
Only a moderator can edit another user's edit summary. So, flag for moderator attention and have one of our nice moderators edit out the offending part.
In the meantime, I downvoted it because the edit is drivel.
I have to admit I don't recall the exact order in which I performed these actions but as they were effective I will share them here.
I posted a comment on the post encouraging further editing to add detail that would help us determine why "all the answers" that were tried failed. I did not vote to re-open as I didn't feel that rewarding profanity was appropriate.
I attempted to draw attention to the problem by:
A) Opening this question (In retrospect perhaps I should have tagged it differently I'd like to here opinions on that).
C) I visited the question called as duplicate and edited one of the answers that I was quickly able to determine was out of date. More work is clearly required to bring this one up to current day. I'm afraid I have nothing more to offer in that regard and trust that those of us inthe community that have the necessary skills will step up further address the issue.
Clearly this approach was effective as the Revision History no longer contains the profanity I was concerned about.