There is a theory which states that if ever anyone discovers exactly what U+237C is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.
There is another theory which states that this has already happened.
-- Paraphrased from The Restaurant at the End of the Universe by Douglas Adams
Comments
I prefer to think these characters have an antimemetic field that causes anyone who learns their true meaning to forget shortly after.
-- Paraphrased from The Restaurant at the End of the Universe by Douglas Adams