Seriously, am I the first one to bring ND up? If so, there's probably no point adding rules for a rare or even hypothetical case.
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You are the first person to point out that it isn't obvious that we don't accept ND.
There has, in the past, been a person or two who has asked for us to allow ND content
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I see. Well, good enough. I feel a bit silly. My apologies.
Best Regards, Daniel