Observe this question (which will be shortly deleted but is being kept for observation).
So now I'm left to wonder if there is, in fact, another
# question. But should this even be allowed in the first place? I can't think of any legitimate tags that don't include at least one letter or number (404 being an example of a legitimate tag with no letters).
Tagging this question as
Edit: Those tags were stripped out. Which now turns this into a question of, how did that get there?