It's an emoji. On my machine it renders in color and in the same style as other emojis. There are a number of emojis that use pre-existing Unicode glyphs. If I

It's an emoji. On my machine it renders in color and in the same style as other emojis. There are a number of emojis that use pre-existing Unicode glyphs. If I remember correctly there are control characters to opt-in/opt-out of emoji style presentation for these characters.