So "moderators" don't tell us they edited their posts!
I thought that when you did that, the fact that you'd done it was noted by the system automatically. In fact, I know that's happened every other time I've edited a post. Maybe it didn't happen this time because I didn't change any words, just hit the "return" key several times. Interesting.
No. When a moderator edits one of his posts, there's an option that you have to positively select by ticking a box to put the same kind of "edited on" statement that appears automatically on everyone else's edited posts.
I suspect that, in the big world of forums (fora), there are reasons which may be something to do with moderators having the ability to edit others' posts - without this being known, unless the moderator wishes.
And yes, efore you ask, it's dead easy for a moderator to edit someone else's post. I nearly did once, when I hit the edit button instead of reply. And it all looks nearly the same...
MG