They're just characters from different Unicode blocks, there's no functional difference between them that I'm aware of, other than that characters from some blo

They're just characters from different Unicode blocks, there's no functional difference between them that I'm aware of, other than that characters from some blocks are not allowed here on HN, including all emoji characters. When I said "standard characters" perhaps I should've been clearer. I meant "they're non-emoji characters". Sorry, I didn't realise it would cause confusion.