Huh. ZWJ is an interesting corner case. Technically it's supposed to be used when combining emoji sequences that compose another single emoji (flags, skin color

Huh. ZWJ is an interesting corner case. Technically it's supposed to be used when combining emoji sequences that compose another single emoji (flags, skin color, gender, etc), but if the server doesn't discriminate for "real" emoji combos it technically can be an arbitrary combo.