| Hi, I am not an administrator so I don't know if something has changed,
but it specifically says that option is not yet enabled -- in the place where you made that setting change, for that group of options specifically there is a note that says:
"These settings won't be processed by the server until after the next forum upgrade - they're being installed now for functionality testing"
So they won't work until after a forum upgrade (which i presume means software change) and right now they just have it up around to fiddle with on occasion.
So they know about it.
At least that's what I am guessing based on the note next to the option you are talking about. | 
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