> Some OSes display some unicode characters as emoji-default. Those characters have the Emoji_Presentation Unicode property, as listed in https://www.unicode.

> Some OSes display some unicode characters as emoji-default. Those characters have the Emoji_Presentation Unicode property, as listed in https://www.unicode.org/Public/13.0.0/ucd/emoji/emoji-data.txt https://www.unicode.org/Public/13.0.0/ucd/emoji/emoji-data.t... If a site wished to exclude garish blobs from comments while permitting textual symbols, that would be the right way to do it.