There are lots of Chinese people whose last names use rare characters or variants that are not mapped in Unicode. Taiwan, which retains traditional characters a

There are lots of Chinese people whose last names use rare characters or variants that are not mapped in Unicode. Taiwan, which retains traditional characters and hasn't forced people to standardize as much as mainland China and Japan, is particularly notorious for this. There's also the whole Han unification debacle, where similar but not always identical characters used in Chinese/Japanese/Korean have been mushed together. Support for some Indic scripts also remains quite patchy: https://modelviewculture.com/pieces/i-can-text-you-a-pile-of-poo-but-i-cant-write-my-name https://modelviewculture.com/pieces/i-can-text-you-a-pile-of...